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Journal articles on the topic 'Intraoral scanners'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Cai, HongXin, Bing Cheng Zhao, Yueyi Tian, et al. "Design of a Single-Tooth Model and Its Application in Oral Scan System Assessment." Scanning 2021 (March 21, 2021): 1–8. http://dx.doi.org/10.1155/2021/8891396.

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Intraoral scanners have been widely used in the application of dentistry. Accuracy includes trueness and precision; they have an important position in the assessment of intraoral scanners. The existing standard models are divided into the inlay and the crown, but the operation is relatively complicated. In this study, in order to simplify the current standard model, we designed a new integration model to compare the accuracy of two intraoral scanners (CEREC and TRIOS) and an extraoral scanner (SHINING). The coordinate measuring machine measured value is the gold standard. Values of the length

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2

Rotar, Raul Nicolae, Anca Jivanescu, Codruta Ille, et al. "Trueness and Precision of Two Intraoral Scanners: A Comparative In Vitro Study." Scanning 2019 (October 21, 2019): 1–6. http://dx.doi.org/10.1155/2019/1289570.

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The aim of this study was to evaluate the accuracy of two intraoral scanners used in the dental office. A molar fixed in a typodont was prepared for a ceramic onlay. The preparation was scanned using a high-resolution scanner (reference scanner) and saved as stereolithography (STL) format. The prepared resin molar was scanned again using the intraoral scanners, and all the scans were saved as well in STL format. All STL files were compared using metrology software (Geomagic Control X). Overlapping the meshes allowed the assessment of the scans in terms of trueness and precision. Based on the r

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International, Journal of Medical Science and Innovative Research (IJMSIR). "A Comparative Study to Evaluate The Accuracy of Open Tray Splinted and Non-Splinted Implant Level Impressions and Impressions Obtained From Two Intraoral Scanners For Three Implants Placed in A Partially Edentulous Arch - An in Vitro Study." International Journal of Medical Science and Innovative Research (IJMSIR) 9, no. 4 (2024): 185–97. https://doi.org/10.5281/zenodo.15422901.

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<strong>Abstract</strong> Title: A comparative study to evaluate the accuracy of open tray splinted and non-splinted implant level impressions and impressions obtained from two intraoral scanners for three implants placed in a partially edentulous arch - an in vitro study <strong>Objective</strong>: The aim of this in vitro study was to compare and evaluate the accuracy of open tray splinted and non-splinted Implant level impression and impressions obtained from two intraoral scanners for three implants placed in a partially edentulous arch and to evaluate which of the two scanners used (Trios

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Lee, Kyungmin Clara, and Seong-Joon Park. "Digital Intraoral Scanners and Alginate Impressions in Reproducing Full Dental Arches: A Comparative 3D Assessment." Applied Sciences 10, no. 21 (2020): 7637. http://dx.doi.org/10.3390/app10217637.

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The purpose of this in vivo study was to compare in vivo full arch intraoral scans obtained using two intraoral scanners and conventional impression. Twenty patients were scanned using TRIOS and iTero scanners, as well as conventional impression. Dental models obtained from alginate impression were scanned with a laboratory desktop scanner. Individual intraoral scan data were compared with corresponding model scans using three-dimensional (3D) surface analysis. The average surface deviations were calculated for quantitative evaluation, and these values were compared between two intraoral scann

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Burde, Alexandru Victor, Marius Manole, Radu-Septimiu Campian, Cosmin Sinescu, and Sorana Baciu. "In vitro Comparison of Accuracy of Two Scanners Used in Dental Medicine." Revista de Chimie 70, no. 7 (2019): 2344–46. http://dx.doi.org/10.37358/rc.19.7.7336.

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This experimental study aims to highlight and compare the resolution and accuracy (trueness and fidelity) of an intraoral scanner and a laboratory scanner. In order to achieve the aim of this study, an experimental model consisting of a die with a standard preparation for a porcelain-fused to metal crown was manufactured from a physiognomic polymethylmethacrylate resin. The experimental model was scanned with an industrial CT to obtain the virtual reference model. Then, the die was scanned 15 times with each scanner. In order to asses trueness, comparisons were made with the virtual reference

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Lee, Joohee, ByoungEun Yang, and Hyelim Lee. "Intraoral Scan for Virtual Skull-Dentition Hybrid Images of Young Patients." JOURNAL OF THE KOREAN ACADEMY OF PEDTATRIC DENTISTRY 49, no. 1 (2022): 57–64. http://dx.doi.org/10.5933/jkapd.2022.49.1.57.

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Additional dentition images are needed because the dentitions are distorted in cone-beam computed tomography (CBCT) due to streak artifacts and non-uniformity of the x-ray beam. The purpose of this study is to evaluate the feasibility of improving the dentition image of CBCT scan with intraoral scanner instead of plaster models. Maxilla images from plaster models, two intraoral scanners, and CBCT of 20 patients aged 12 to 18 were used in this study. With one of the intraoral scanners, the full arch was scanned by three segments and combined into a complete full arch. Virtual skull-dentition hy

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Bohner, Lauren, Daniel Habor, Klaus Radermacher, Stefan Wolfart, and Juliana Marotti. "Scanning of a Dental Implant with a High-Frequency Ultrasound Scanner: A Pilot Study." Applied Sciences 11, no. 12 (2021): 5494. http://dx.doi.org/10.3390/app11125494.

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The purpose of this in vitro study was to assess the trueness of a dental implant scanned using an intraoral high-frequency ultrasound prototype and compared with conventional optical scanners. An acrylic resin cast containing a dental implant at position 11 was scanned with a fringe projection 3D sensor for use as a reference dataset. The same cast was scanned 10 times for each group. Ultrasound scanning was performed with a high-frequency probe (42 MHz, aperture diameter of 4 mm and focus length of 8 mm), and 3D images were reconstructed based on the depth of each surface point echo. Optical

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Lee, Dong-Geun, Keunbada Son, and Kyu-Bok Lee. "Comparison of the Accuracy of Intraoral Scanners Based on the Type of Tooth Preparation for a Single Crown." Applied Sciences 11, no. 20 (2021): 9399. http://dx.doi.org/10.3390/app11209399.

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The purpose of this study was to evaluate the accuracy of intraoral scanners in 10 abutments (five premolars and five molars) obtained in a dental clinic and to analyze the impacts of the volume and area of abutments on scanning accuracy. Abutment casts were scanned five times with a 3D contact scanner (DS10; Renishaw plc). The five scan files were lined up and then merged, and one high-resolution computer-aided design reference model (CRM) was obtained. To obtain a computer-aided design test model (CTM), three types of intraoral scanners (CS3600 (Carestream Dental), i500 (Medit), and EZIS PO

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Song, Jihu, and Minji Kim. "Accuracy on Scanned Images of Full Arch Models with Orthodontic Brackets by Various Intraoral Scanners in the Presence of Artificial Saliva." BioMed Research International 2020 (February 27, 2020): 1–8. http://dx.doi.org/10.1155/2020/2920804.

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Aim. This study aims to evaluate the accuracy of scanned images of 4 clinically used intraoral scanners (CS3600, i500, Trios3, Omnicam) when scanning the surface of full arch models with various kinds of orthodontic brackets in the presence of artificial saliva. Materials and Methods. Four study models were prepared; bonded with ceramic, metal, and resin brackets, respectively, and without brackets. Reference images were taken by scanning the models with an industrial scanner. Study models were then applied with an artificial saliva and scanned 10 times, respectively, with the above 4 intraora

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Lee, Joo-Hee, Soo-Hwan Byun, Sang-Min Yi, In-Young Park, Byoung-Eun Yang, and Hye-Lim Lee. "Efficacy of Constructing Digital Hybrid Skull-Dentition Images Using an Intraoral Scanner and Cone-Beam Computed Tomography." Scanning 2022 (March 3, 2022): 1–9. http://dx.doi.org/10.1155/2022/8221514.

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Cone-beam computed tomography (CBCT) can distort dentition, and additional imaging is often required. A plaster model to help digitize dental images has been widely used in clinical practice, but there are some inconveniences such as complexity of the process and the risk of damage. The aim of this study was to evaluate the potential for improving dentition imaging with CBCT scans using an intraoral scanner instead of a plaster model. The study used laser model-scanned images of plaster models, imaging from two intraoral scanners, and CBCT images from 20 patients aged 12-18 years. CS 3600 (Car

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Alharbi, Abdulaziz M., Saleh A. Alawaji, Mohammed Riad Yehya, and Ali A. Alenezi. "Evaluation of the accuracy of different digital scanning systems and intraoral scanning strategies: An in vitro study." Saudi Journal of Oral Sciences 11, no. 2 (2024): 125–32. http://dx.doi.org/10.4103/sjoralsci.sjoralsci_40_24.

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Abstract Introduction: Differentiating between the various available digital impression systems in terms of accuracy could help in determining the most appropriate system to be used. Aim: The purpose of this in vitro study was to evaluate the accuracy of four different intraoral scanners, along with different intraoral scanning strategies (IOSs), and using the conventional impression method. Materials and Methods: A model with prepared teeth was scanned with a laboratory scanner. Following that, the model was scanned using the following four intraoral scanners (IOSs): TRIOS, CEREC AC Omnicam,

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Manu, Rathee1, Narwal2 Savita, Mittal3 Surbhi, Singh Tomar4 Sarthak, Diwan5 Kritika, and S6 Balavignesh. "Intraoral Scanners in Dentistry: A Review." Heal Talk - A Journal of Clinical Dentitsry 16, no. 03 (2024): 41–44. https://doi.org/10.5281/zenodo.10682713.

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Abstract     An Intraoral Scanner (IOS) device captures direct optical impressions in dentistry. Harnessing state-of-the-art 3D imaging technologies, Intraoral Scanners accurately capture the shapes and contours of teeth. This advanced technology enables dentists to attain superior scanning results, offering clearer insights into patients' dental structures and ensuring precise and customized treatment. Essentially, these devices streamline the direct optical capture of dental impressions. The objective of the present review of literature is to discuss various Intraoral Scanners

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Nulty, Adam Brian. "An In Vivo Comparison of Trueness and Precision of Two Novel Methods for Improving Edentulous Full Arch Implant Scanning Accuracy: A Pilot Study." Dentistry Journal 12, no. 11 (2024): 367. http://dx.doi.org/10.3390/dj12110367.

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Background: This retrospective in vivo study evaluated the trueness and precision of two digital intraoral scanners—Dentsply Sirona Primescan and Medit i900—, both with and without two variants of the novel Scan Ladder aids, and compared their performance to a new intraoral photogrammetry scanner (Shining 3D Elite). Methods: Data from ten edentulous patients, previously collected during routine clinical treatment, were analyzed using a master STL generated from traditional impression casts as the reference. A custom positional change calculator and comprehensive statistical analysis were used

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Revilla-Leon, Marta, Kevin Frazier, Juliana B. da Costa, et al. "Intraoral scanners." Journal of the American Dental Association 152, no. 8 (2021): 669–70. http://dx.doi.org/10.1016/j.adaj.2021.05.018.

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Lee, Sang J., Soo-Woo Kim, Joshua J. Lee, and Chan W. Cheong. "Comparison of Intraoral and Extraoral Digital Scanners: Evaluation of Surface Topography and Precision." Dentistry Journal 8, no. 2 (2020): 52. http://dx.doi.org/10.3390/dj8020052.

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The aim of this study was to evaluate the surface topography and the precision measurements of different intraoral and extraoral digital scanners. A reference model of a maxillary arch with four implant analogs was prepared and scanned by three intraoral and two extraoral scanners. The reference model was scanned fifteen times with each digital scanning system, investigating the surface topography and precision measurements for the same-arch and cross-arch measurements. The data was exported to 3D inspection and mesh-processing software (GOM Inspect, Braunschweig, Germany). Statistical analysi

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Son, Keunbada, and Kyu-bok Lee. "Effect of Tooth Types on the Accuracy of Dental 3D Scanners: An In Vitro Study." Materials 13, no. 7 (2020): 1744. http://dx.doi.org/10.3390/ma13071744.

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The purpose of this study was to evaluate the accuracy of dental three-dimensional (3D) scanners according to the types of teeth. A computer-aided design (CAD) reference model (CRM) was obtained by scanning the reference typodont model using a high-precision industrial scanner (Solutionix C500, MEDIT). In addition, a CAD test model (CTM) was obtained using seven types of dental 3D scanners (desktop scanners (E1 and DOF Freedom HD) and intraoral scanners (CS3500, CS3600, Trios2, Trios3, and i500)). The 3D inspection software (Geomagic control X, 3DSystems) was used to segment the CRM according

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Shah, Naisargi, Mrinmyaee Thakur, Shruti Gill, et al. "Validation of Digital Impressions’ Accuracy Obtained Using Intraoral and Extraoral Scanners: A Systematic Review." Journal of Clinical Medicine 12, no. 18 (2023): 5833. http://dx.doi.org/10.3390/jcm12185833.

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Background: At present, the evidence regarding digital impressions’ accuracy recorded by using digital scanners is lacking. This systematic review aimed to evaluate whether the type of scanning (intraoral/extraoral) affects the Accuracy of Digital Impressions. Method: Two independent reviewers performed a systematic search in the database both electronically and manually (PubMed, Ebsco HOST, the Cochrane Library, and Google Scholar) for articles published from 1 January 2010 to 1 December 2022. This study was registered with the International Prospective Register of Systematic Reviews (PROSPER

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Ciocan, Lucian Toma, Vlad Gabriel Vasilescu, Sabina-Ana Răuță, Mihaela Pantea, Silviu-Mirel Pițuru, and Marina Imre. "Comparative Analysis of Four Different Intraoral Scanners: An In Vitro Study." Diagnostics 14, no. 13 (2024): 1453. http://dx.doi.org/10.3390/diagnostics14131453.

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(1) Background: Intraoral scanners undergo rapid advancements in hardware and software, prompting frequent updates by manufacturers. (2) Aim: This study aimed to quantitatively assess the precision of full dental arch digital impressions obtained from four different intraoral scanners: Trios 5—3SHAPE, Copenhagen, Denmark, CEREC Primescan— Dentsply Sirona, New York, NY, USA, Planmeca Emerald S—Planmeca Oy, Helsinki, Finland, and Medit i700—Medit Corp, Seoul, Republic of Korea. (3) Methods: A maxillary virtual dental model (digital master model) was created in accordance with ISO standard 20896-

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Farook, Taseef Hasan, Saif Ahmed, Jamal Giri, Farah Rashid, Toby Hughes, and James Dudley. "Influence of Intraoral Scanners, Operators, and Data Processing on Dimensional Accuracy of Dental Casts for Unsupervised Clinical Machine Learning: An In Vitro Comparative Study." International Journal of Dentistry 2023 (November 22, 2023): 1–10. http://dx.doi.org/10.1155/2023/7542813.

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Purpose. This study assessed the impact of intraoral scanner type, operator, and data augmentation on the dimensional accuracy of in vitro dental cast digital scans. It also evaluated the validation accuracy of an unsupervised machine-learning model trained with these scans. Methods. Twenty-two dental casts were scanned using two handheld intraoral scanners and one laboratory scanner, resulting in 110 3D cast scans across five independent groups. The scans underwent uniform augmentation and were validated using Hausdorff’s distance (HD) and root mean squared error (RMSE), with the laboratory s

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Droste, Lukas, Kirstin Vach, Ralf J. Kohal, and Sebastian B. M. Patzelt. "Computerized Optical Impression Making of Fully Dentate Upper and Lower Jaws: An In Vitro Study." Applied Sciences 14, no. 6 (2024): 2370. http://dx.doi.org/10.3390/app14062370.

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Objectives: The aim of this experimental study was to evaluate the accuracy of five intraoral scanners for digitizing fully dentate unprepared maxillae and mandibulae in vitro. Materials and Methods: One maxillary and one mandibular reference model with acrylic teeth, an industrial grade reference scanner, 3D evaluation software and the intraoral scanners CS 3500, iTero HD2.9, Planmeca PlanScan, TRIOS Standard and 3M True Definition were used. Scans of the entire arches, one front and two side segments of each arch scan of maxilla and mandibula were evaluated separately for trueness and precis

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Meneghetti, Priscila Ceolin, Junying Li, Paulo Sérgio Borella, Gustavo Mendonça, and Luiz Henrique Burnett. "Influence of scanbody design and intraoral scanner on the trueness of complete arch implant digital impressions: An in vitro study." PLOS ONE 18, no. 12 (2023): e0295790. http://dx.doi.org/10.1371/journal.pone.0295790.

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This study aimed to compare the accuracy of full-arch digital implant impressions using seven different scanbodies and four intraoral scanners. A 3D-printed maxillary model with six implants and their respective multi-unit abutments was used for this study. Seven scanbodies (SB1, SB2, SB3, SB4, SB5, SB6, and SB7) and four intraoral scanners (Primescan®, Omnican®, Trios 3®, and Trios 4®) were assessed. Each combination group was scanned ten times and a dental lab scanner (D2000, 3Shape) was used as a reference. All scans were exported as STL files, imported into Convince software (3Shape) for a

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KAYA, SINEM İŞLER, and ŞEBNEM BEGÜM TÜRKER. "ACCURACY OF IMPRESSION AND MODEL OBTAINED FROM DIFFERENT DIGITAL TECHNIQUES IN PARTIAL EDENTULISM IN VIVO." International Journal of Medical Science and Dental Health 11, no. 02 (2025): 104–14. https://doi.org/10.55640/ijmsdh-11-02-07.

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Objective: To evaluate the accuracy of data obtained from two intraoral scanners and models fabricated using two 3D printers for maxillary unilateral partial edentulism in vivo. Methods: The working models were obtained from 20 different participants. The reference datasets were acquired using irreversible hydrocolloid impression material. Two distinct intraoral scanner systems were evaluated: Cerec Omincam (Dentsply Sirona Dental GmBH, Salzburg, Austria) and 3Shape Trios (3Shape Dental Systems, Copenhagen, Denmark). Additionally, data extracted from intraoral scanners of cast models with four

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Kang, Byung-hyun, Keunbada Son, and Kyu-bok Lee. "Accuracy of Five Intraoral Scanners and Two Laboratory Scanners for a Complete Arch: A Comparative In Vitro Study." Applied Sciences 10, no. 1 (2019): 74. http://dx.doi.org/10.3390/app10010074.

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This study aims to evaluate the accuracy of five different intraoral scanners and two different laboratory scanners for a complete arch. A computer-aided design (CAD) reference model (CRM) was obtained using industrial scanners. A CAD test model (CTM) was obtained using five types of intraoral scanners (CS3500, CS3600, Trios2, Trios3, and i500) and two types of laboratory scanners (3shape E1 and DOF) (N = 20). In addition, the CRM and CTM were superimposed using a 3D inspection software (Geomagic control X; 3D Systems) and 3D analysis was performed. In the 3D analysis, the accuracy was measure

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Bhatia, Niharika, and Srirengalakshmi Muthuswamy Pandian. "Evaluation of the accuracy of full-arch impressions between three different intraoral scanners and conventional impressions: A prospective in vivo study." Journal of Dental Research, Dental Clinics, Dental Prospects 18, no. 1 (2024): 77–84. http://dx.doi.org/10.34172/joddd.40841.

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<strong data-sider-select-id="bc467b4a-f3fa-459c-ac3f-000e49c9414d">Background. This in-vivo study evaluated the accuracy of full-arch digital impressions obtained through different intraoral scanning technologies regarding trueness and efficiency against the standard alginate impressions. <strong data-sider-select-id="482190c3-539f-48aa-8b34-c83f0a64de34">Methods. Alginate impressions were taken from 50 subjects, and the resulting stone casts were scanned using the Trios 3Shape desktop scanner. In-vivo scans were conducted on each participant using three intraoral scanners: Medit,

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Al-Dulaijan, Yousif A., Haidar Alalawi, Mohammed M. Gad, Faisal D. Al-Qarni, Shaimaa M. Fouda, and Passent Ellakany. "Trueness and precision of complete denture digital impression compared to conventional impression: an in vitro study." PeerJ 13 (February 26, 2025): e19075. https://doi.org/10.7717/peerj.19075.

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Background This study aimed to compare the precision and trueness of digital impressions of the edentulous arch made with different scanners to conventional physical impressions. Methods A total of 40 impressions of a completely edentulous maxillary arch model (n = 10) were made using different digital impressions with an extraoral scanner, E3 3Shape desktop scanner, as the reference scan, intraoral scanner (TRIOS IOS, and Medit IOS) and Vinyl Polysiloxane impressions (VPS) impression using a Computer-Aided Design and Computer-Aided Manufacturing (CAD-CAM) custom tray. The VPS impression was s

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Costa, Vitória, António Sérgio Silva, Rosana Costa, Pedro Barreiros, Joana Mendes, and José Manuel Mendes. "In Vitro Comparison of Three Intraoral Scanners for Implant—Supported Dental Prostheses." Dentistry Journal 10, no. 6 (2022): 112. http://dx.doi.org/10.3390/dj10060112.

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With continuing technological developments, there have been advances in the field of fixed prosthetics, particularly in impression-taking techniques. These technological advances mean that a wide variety of diagnostic and/or rehabilitation possibilities can be explored without the need for physical models. The aim of this study was to evaluate the accuracy of three intraoral scanners used in oral implant rehabilitation using an extraoral scanner as a reference and varying the scanning area. Three models representing different clinical scenarios were scanned 15 times by each intraoral scanner a

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Amornvit, Pokpong, Dinesh Rokaya, and Sasiwimol Sanohkan. "Comparison of Accuracy of Current Ten Intraoral Scanners." BioMed Research International 2021 (September 13, 2021): 1–10. http://dx.doi.org/10.1155/2021/2673040.

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There have been various developments in intraoral 3D scanning technology. This study is aimed at investigating the accuracy of 10 scanners developed from 2015 to 2020. A maxillary dental model with reference points was printed from Form 2 (FormLabs, Somerville, MA, USA). The model was scanned 5 times with each intraoral scanner (IOS); Trios 3 (normal and high-resolution mode); Trios 4 (normal and high-resolution mode) (3Shape Trios A/S, Copenhagen, Denmark); iTero Element, iTero 2, and iTero 5D Element (Align Technologies, San Jose, California, USA); Dental Wings (Dental Wings, Montreal QC, Ca

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Maeng, Jiyoun, Young-Jun Lim, Bongju Kim, Myung-Joo Kim, and Ho-Beom Kwon. "A New Approach to Accuracy Evaluation of Single-Tooth Abutment Using Two-Dimensional Analysis in Two Intraoral Scanners." International Journal of Environmental Research and Public Health 16, no. 6 (2019): 1021. http://dx.doi.org/10.3390/ijerph16061021.

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The aim of this study was to two-dimensionally evaluate deviation errors at five digital cross-sections of single-tooth abutment in regards to data obtained from two intraoral scanners, and to evaluate accuracy of individual scanners. Two intraoral scanners, the Trios 3® (3 Shape, Copenhagen, Denmark) and EzScan® (Vatech, Hwaseong, Korea), were evaluated by utilizing 13 stone models. The superimposed 3D data files were sectioned into five different planes: buccal-lingual section (BL), mesial-distal section (MD), transverse high section (TH), transverse middle section (TM), and transverse low s

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Murat, Sema, Burcu Batak, Özge Aydoğ, and Caner Öztürk. "The Accuracy of Intraoral Scanners in Maxillary Defects with Different Model Variations." Diagnostics 14, no. 21 (2024): 2368. http://dx.doi.org/10.3390/diagnostics14212368.

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Background: Advances in digital technology and intraoral scanners (IOSs) have the potential to enable accurate digital impressions for patients with maxillary defects. This study aimed to compare the accuracy of IOSs in completely and partially edentulous models with maxillary defects. Methods: Three polyurethane models—one completely edentulous (CE) and two partially edentulous, following Aramany classifications I (ACI) and II (ACII)—were created using stereolithography. These models were scanned with a desktop scanner to create reference models. Ten scans were performed using three different

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Serrano-Velasco, Diego, Andrea Martín-Vacas, Giovanni Giovannini, Marta Macarena Paz-Cortés, and Juan Manuel Aragoneses. "Accuracy Analysis of Digital Models from Intraoral Scanners and 3D-Printed Casts in Children and Teenagers." Children 11, no. 9 (2024): 1082. http://dx.doi.org/10.3390/children11091082.

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Purpose: The aim was to analyze the accuracy of digital models and 3D-printed casts from full-arch digital impressions using two intraoral scanners (iTeroTM and PrimescanTM). Materials and methods: A crossover reliability study was designed, scanning children and teenagers with iTeroTM and PrimescanTM. Accuracy was evaluated by measuring intercanine, intermolar, and ipsilateral canine–molar distances intraorally and comparing these measurements with those from plaster casts, digital models obtained with intraoral scanners, and 3D-printed casts. A paired comparison and a general linear model wi

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Cui, Naiyu, Jiayin Wang, Xingyu Hou, et al. "Bias Evaluation of the Accuracy of Two Extraoral Scanners and an Intraoral Scanner Based on ADA Standards." Scanning 2021 (June 10, 2021): 1–13. http://dx.doi.org/10.1155/2021/5535403.

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The spread and application of computer-aided design/computer-aided manufacturing (CAD/CAM) technology have contributed to the rapid development of digitalization in dentistry. The accuracy of scan results is closely related to the devising subsequent treatment plans and outcomes. Professional standards for evaluating scanners are specified in the American National Standard/American Dental Association Standard 132 (ANSI/ADA No. 132). The aims of this study were to use the three samples mentioned in ANSI/ADA No. 132 and evaluate the accuracy and reproducibility of two extraoral scanners and an i

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Anitua, Eduardo, Asier Lazcano, Asier Eguia, and Mohammad Hamdan Alkhraisat. "Assessing the Impact of IOS Scanning Accuracy on Additively Manufactured Occlusal Splints." Dentistry Journal 12, no. 10 (2024): 298. http://dx.doi.org/10.3390/dj12100298.

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Introduction: Digital workflow and intraoral scanners (IOSs) are used to clinically obtain data for a wide range of applications in restorative dentistry. The study aimed to compare two different IOSs with inexperienced users in the digital workflow of oral split manufacturing. Material and Methods: Anonymous stone models of upper and lower dentate patients were used. Both models were scanned with a desktop 3D scanner 3Shape D2000 to obtain the reference models (STLR). Ten inexperienced operators scanned each model three times with each IOS system (3Shape TRIOS 3 and Carestream CS 3800). Final

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Favero, Riccardo, Andrea Volpato, Maurizio De Francesco, Adolfo Di Fiore, Riccardo Guazzo, and Lorenzo Favero. "Accuracy of 3D digital modeling of dental arches." Dental Press Journal of Orthodontics 24, no. 1 (2019): 038e1–037e7. http://dx.doi.org/10.1590/2177-6709.24.1.38.e1-7.onl.

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ABSTRACT Objective: The aim of the study was to verify and compare the accuracy of full-arch digital impressions obtained using two intraoral scanners and three scanning methodologies. Methods: A resin model created with dental 3-D printing was scanned by a reference scanner (Zfx Evolution - Zimmer Biomet, Palm Beach Gardens, FL) in order to obtain a 3D reference; the same resin model was then scanned with two different intraoral scanners (Zfx IntraScan and Carestream 3600 - CS 3600®, Carestream, Rochester, NY, USA) using: Technique A (from tooth #27 up to tooth #17); Technique B (from tooth #

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Kim, Taeksoo, Youngmok Cho, Doojun Kim, Minho Chang, and Yoon-Ji Kim. "Tooth Segmentation of 3D Scan Data Using Generative Adversarial Networks." Applied Sciences 10, no. 2 (2020): 490. http://dx.doi.org/10.3390/app10020490.

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The use of intraoral scanners in the field of dentistry is increasing. In orthodontics, the process of tooth segmentation and rearrangement provides the orthodontist with insights into the possibilities and limitations of treatment. Although, full-arch scan data, acquired using intraoral scanners, have high dimensional accuracy, they have some limitations. Intraoral scanners use a stereo-vision system, which has difficulties scanning narrow interdental spaces. These areas, with a lack of accurate scan data, are called areas of occlusion. Owing to such occlusions, intraoral scanners often fail

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Joteppa, Varsha, Soniya Niras, Dishita Chokhani, Tanvi A. Jadhao, Shreyas T. Bandgar, and Surbhi G. Bayaskar. "Accuracy of 3D Printed Model Acquired from Different Types of Intra Oral Scanners and 3D Printers." Journal of Pharmacy and Bioallied Sciences 16, Suppl 2 (2024): S1433—S1434. http://dx.doi.org/10.4103/jpbs.jpbs_798_23.

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ABSTRACT Objective: The aim of this study was to verify the influence of different types of intraoral scanners and 3D printers on the accuracy of printed models in comparison to plaster models obtained from conventional impressions. Material and Methods: A dental study model was used as the reference model and was molded with polyvinyl siloxane to produce the plaster models which were scanned by a reference scanner. Two types of intraoral scanners and digital files were printed by two types of 3D printers. To measure the accuracy (trueness and precision) amongst the groups, the datasets were s

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Murashov, Mikhail, Svetlana Stepanova, Maria Platonova, Sofia Grindenko, and Sofia Derezina. "COMPARISON OF CONVENTIONAL AND DIGITAL TECHNOLOGIES FOR MAKING THE EAR EPITHESIS." Actual problems in dentistry 19, no. 3 (2023): 114–18. http://dx.doi.org/10.18481/2077-7566-2023-19-3-114-118.

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Subject. Digital and conventional technologies for the making of ear epitheses. Objectives. To compare different methods of making ear epithesis according to the following criteria: timing, accuracy, ergonomics. Methodology. The study was carried out in Department of Propaedeutics and Prosthetics Technologies in Dentistry of DF, at the Moscow State University of Medial Dentistry named after A.I. Evdokimov. The students – volunteers' auricles were scanned with three different smartphone apps, two intraoral scanners and a facial scanner.  Results. The 3D image obtained using a

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Elbashti, Mahmoud, Pedro Molinero-Mourelle, Himanshi Aggarwal, et al. "Feasibility and accuracy of using intraoral scanners to digitize maxillectomy defects for prosthetic rehabilitation: A systematic review." International Journal of Maxillofacial Prosthetics 5, no. 1 (2022): 3–9. http://dx.doi.org/10.26629/ijmp.2022.03.

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Purpose: Few studies have focused on the feasibility and accuracy of intraoral digital impressions for maxillectomy defects, especially for extensive soft tissue defects. Using intraoral scanners alone might be feasible for producing maxillary obturator prostheses, albeit with some limitations. It seems logical to investigate this ambiguity. Therefore, this systematic review aimed to assessing the feasibility and accuracy of using intraoral scanners (IOSs) to digitize maxillectomy defects. Materials and Methods: PubMed, the Cochrane Oral Health Group Trials Register, and the Cochrane Central R

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Spagopoulos, Dimitrios, George Kaisarlis, Foteini Spagopoulou, Demetrios J. Halazonetis, Jan-Frederik Güth, and Efstratios Papazoglou. "In Vitro Trueness and Precision of Intraoral Scanners in a Four-Implant Complete-Arch Model." Dentistry Journal 11, no. 1 (2023): 27. http://dx.doi.org/10.3390/dj11010027.

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(1) Background: New intraoral (IOS) and laboratory scanners appear in the market and their trueness and precision have not been compared. (2) Methods: Seven IOS and two laboratory scanners were used to scan a mandibular edentulous model with four parallel internal hexagon implant analogues and PEEK scan bodies. Digital models in Standard Tessellation Language (STL) were created. The master model with the scan bodies was scanned (×10) with a computerized numerical control 3D Coordinate Measuring Machine (CMM). The short (distances of adjacent scan posts) and long distances (distances of the sca

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S. Kamble, Suresh, Ajit S. Jankar, Vidya A. Vaybase, Suraj Sonawane, Pratiksha Somwanshi, and Shital Wagh. "DIGITAL DENTISTRY: AN OVERVIEW ON RECENT ADVANCEMENTS IN INTRAORAL SCANNER." International Journal of Advanced Research 8, no. 9 (2020): 1244–50. http://dx.doi.org/10.21474/ijar01/11781.

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New devices are continuously introduced in the clinic and the dental laboratory. The first phase of the digital workflow is to obtain an image with the help of intra-oral scanner. These devices are replacing conventional impressions techniques with the digital scanners. Impressions which are recorded using scanners are more accurate as compared to conventional technique. Intra-oral scanners are time efficient, decrease the patient\'s discomfort and make clinical procedures easier. Over the last few years, there has been new advances in dental scanners for comprehension of computerized work pro

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Senkutvan. R. S, Lokeswari Parthasarathy, Mahalakshmi. K, Balaji krishnan, Karthikeyan. M, and Jayaraj. R. "Intraoral scanners in Orthodontics." International Journal of Community Dentistry 12, no. 1 (2024): 22–32. http://dx.doi.org/10.56501/intjcommunitydent.v12i1.1109.

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Rapid advancements in digital technology have changed a number of sectors in recent years. Artificial intelligence (AI) and robotics are two examples of advanced technology that have been adopted into the medical industry. The intraoral scanner is a portable device with a tiny optical camera that collects virtual dental models that is widely employed in dentistry that works by projecting structured light (white, red, or blue). The program then compiles the individual photos or video that are captured after identifying certain locations of interest. The points of interest captured from various

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Borodina, Irina D., Leon S. Grigoryants, Magammed A. Gadzhiev, et al. "Comparative evaluation of the accuracy of the dental arch display using modern intraoral three-dimensional scanners." Russian Journal of Dentistry 26, no. 4 (2022): 287–97. http://dx.doi.org/10.17816/1728-2802-2022-26-4-287-297.

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BACKGROUND: At present, modern dentists used dental intraoral three-dimensional (3D) scanners routinely in their daily work. Obtaining an optical 3D image of the teeth and dentition helps avoid errors at the stage of obtaining traditional silicone impressions and significantly reduces the level of discomfort during dental procedures. Intraoral scanner systems are commercially available today. Despite their advantages over traditional silicone impressions, the accuracy of the optical impressions obtained during total and subtotal prosthetics on the upper and lower jaw are still questionable.&#x

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Taymour, Noha, Shereen Moselhy Abdul Hameed, Maram A. AlGhamdi, Zainab Refaey El Sharkawy, Zienab S. Farid, and Yousra Ahmed. "Accuracy of New-Generation Intraoral Scanners in Digitizing All-on-Four Implant Models with Varying Posterior Implant Angulations: An In Vitro Trueness and Precision Evaluation." Prosthesis 7, no. 4 (2025): 74. https://doi.org/10.3390/prosthesis7040074.

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Background: The increasing adoption of digital workflows in implant dentistry necessitates rigorous assessment of intraoral scanning, particularly for complex full-arch rehabilitations like All-on-Four prostheses, where posterior implant angulation may impact the accuracy of optical data acquisition. Objectives: This in vitro study aimed to assess the accuracy of digital intraoral scanners in scanning All-on-Four implant models with different posterior implant angulations. Methods: Two epoxy resin All-on-Four implant models were fabricated with two posterior implant angulations (30-degree and

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Burde, Alexandru Victor, Cristina Gasparik, Marioara Moldovan, Sorana Baciu, and Cosmin Cosma. "In vitro Evaluation of Accuracy of Single Dies Captured by Two Intraoral Digital Scanners." Materiale Plastice 55, no. 2 (2018): 176–78. http://dx.doi.org/10.37358/mp.18.2.4988.

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The objective of this in-vitro study was to compare the accuracy, defined as trueness and precision, of two intraoral digital scanners that use different capturing techniques. An experimental reference object consisting of a die was manufactured from a PMMA resin. The reference object was digitized with an industrial CT and was scanned 15 times with each scanner. In order to asses trueness, comparisons were made with the virtual reference model, and for fidelity, the first scan in the series was compared with the following scans. For both fidelity and trueness, the F test and T tests demonstra

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Celeghin, Giordano, Giulio Franceschetti, Nicola Mobilio, et al. "Complete-Arch Accuracy of Four Intraoral Scanners: An In Vitro Study." Healthcare 9, no. 3 (2021): 246. http://dx.doi.org/10.3390/healthcare9030246.

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The purpose of this study is to define the accuracy of four intraoral scanners (IOS) through the analysis of digital impressions of a complete dental arch model. Eight metal inserts were placed on the model as reference points and then it was scanned with a laboratory scanner in order to obtain the reference model. Subsequently, the reference model was scanned with four IOS (Carestream 3600, CEREC Omnicam, True Definition Scanner, Trios 3Shape). Linear measurements were traced on an STL file between the chosen reference points and divided into four categories: three-element mesiodistal, five-e

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Ghadirifard, Mohammad, Mitra Eisaei, Sayed Mohammadreza Hakimaneh, Mohammad Amin Bafandeh, and Sayed Shojaodin Shayegh. "In Vitro Evaluation of the Effect of Scanning Strategy on the Accuracy of Intraoral Scanners." Galen Medical Journal 13, SP1 (2024): e3748. https://doi.org/10.31661/gmj.v13isp1.3748.

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Background: The accuracy of intraoral scanners depends on the scanning strategy, but evidence on how these strategies affect trueness and precision across scanners is limited. Identifying optimal strategies is key to improving performance and clinical outcomes. Materials and Methods: A dental cast obtained from an impression of a fully-dentate patient was initially scanned by a laboratory scanner and then by three intraoral scanners namely Trios®4, Carestream 3800, and Medit i700 with three different scanning strategies of A (occlusal surfaces from the left end to the right end, followed by li

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Winkler, Jonas, Anton Sculean, and Nikolaos Gkantidis. "Intraoral Scanners for In Vivo 3D Imaging of the Gingiva and the Alveolar Process." Journal of Clinical Medicine 11, no. 21 (2022): 6389. http://dx.doi.org/10.3390/jcm11216389.

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This study aimed to assess the reliability of two intraoral surface scanners for the representation of the alveolar process in vivo. Complete maxillary scans (CS 3600, Carestream and TRIOS 3, 3Shape) were repeatedly obtained from 13 fully dentate individuals. Scanner precision and agreement were tested using 3D surface superimpositions on the following reference areas: the buccal front teeth area, the entire dental arch, the entire alveolar process, or single teeth by applying an iterative closest point algorithm. Following each superimposition, the mean absolute distance (MAD) between predefi

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Dolidze, Tamar, Marika Kublashvili, and Mariam Iantbelidze. "Advantages of Using Intraoral Scanner in Prosthodontic Dentistry." European Scientific Journal, ESJ 21, no. 39 (2025): 23. https://doi.org/10.19044/esj.2025.v21n39p23.

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Digital dentistry holds a leading role in modern dentistry. Its development perfected dental service, simplified difficult clinical cases and created an opportunity for dentists to be fully involved in a treatment process. The ability to create 3D digital designs, including smile design, increases patient engagement and ensures treatment satisfaction. Using scanners in everyday practice enhances communication between dentists and technical laboratories. This review explores the technical aspects of intraoral scanners, highlighting their key components, such as the mirror, lens, and scanning de

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Lee, Jae-Hyun, Je-Hyeon Yun, Jung-Suk Han, In-Sung Luke Yeo, and Hyung-In Yoon. "Repeatability of Intraoral Scanners for Complete Arch Scan of Partially Edentulous Dentitions: An In Vitro Study." Journal of Clinical Medicine 8, no. 8 (2019): 1187. http://dx.doi.org/10.3390/jcm8081187.

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Research on whether the number or location of missing teeth affects the accuracy of intraoral scanners in partial edentulous patients is scarce. This study aimed to evaluate the precision of complete-arch scan data of various partial edentulous arches acquired by intraoral scanners. Five different maxillary models were scanned using Carestream CS3600 and Medit i500 scanners. The models employed here were control: Fully dentate; Case 1: Missing a right second premolar and a first molar; Case 2: Missing a right second premolar, a first molar, both left premolars, and a left first molar; Case 3:

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Rojas-Rueda, Silvia, Manuel Robles, Margiezel Pagan-Banchs, et al. "Accuracy of Digital Impressions for Veneer Restorations: A Narrative Review and Case Illustration." Journal of Clinical Medicine 14, no. 11 (2025): 3859. https://doi.org/10.3390/jcm14113859.

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Background: Intraoral scanners have become increasingly popular for final dental prostheses due to their precision, efficiency, and patient-friendly approach. However, their use for capturing final impressions of highly esthetic and thin restorations, such as ceramic veneers, presents unique challenges. Veneer preparations differ significantly from traditional full-coverage crowns, with their smaller and more delicate margins often located at or below the gingival level. This complexity may lead to hesitancy among clinicians regarding the routine use of intraoral scanners in such cases. Method

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Şentürk, Ayben, Bora Akat, Mert Ocak, Mehmet Ali Kılıçarslan, and Kaan Orhan. "Comparison of Marginal and Internal Fit of CAD/CAM Ceramic Inlay Restorations Fabricated Through Model Scanner, Intraoral Scanner, and CBCT Scans." Applied Sciences 15, no. 9 (2025): 4626. https://doi.org/10.3390/app15094626.

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Background and Objectives: CBCT images have been successfully used for CAD/CAM crown restorations; however, their use for ceramic inlay restorations remains unclear. This study aimed to evaluate the marginal and internal fit of CAD/CAM ceramic inlay restorations fabricated using intraoral scanner, model scanner, and CBCT data. Materials and Methods: Inlay preparations were performed on 11 mandibular molar typodont teeth. The teeth were scanned using an intraoral scanner, an extraoral scanner, and CBCT (0.075 mm voxel size). CBCT-generated DICOM data were converted to STL format with dedicated

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