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Journal articles on the topic 'Lateral cephalometric radiographs'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Okşayan, Rıdvan, Ali Murat Aktan, Oral Sökücü, Esin Haştar, and Mehmet Ertuğrul Ciftci. "Does the Panoramic Radiography Have the Power to Identify the Gonial Angle in Orthodontics?" Scientific World Journal 2012 (2012): 1–4. http://dx.doi.org/10.1100/2012/219708.

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Purpose. The objective of this study was to assess gonial angle under the angle classification by comparing panoramic radiograph and lateral cephalometric radiograph.Materials and Methods. 49 patients (25 males, 24 females) with an age range of 12–29 years participated in the present study. Subjects were retrospectively selected among those categorised as skeletal and dental Class I, II, and III malocclusion group. Using lateral cephalometric radiograph, mandibular and ramal planes were drawn and based on these planes. Gonial angle was determined from two tangents which were drawn from the inf

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Kragskov, Jens, Carles Bosch, Carsten Gyldensted, and Steen Sindet-Pedersen. "Comparison of the Reliability of Craniofacial Anatomic Landmarks Based on Cephalometric Radiographs and Three-Dimensional CT Scans." Cleft Palate-Craniofacial Journal 34, no. 2 (1997): 111–16. http://dx.doi.org/10.1597/1545-1569_1997_034_0111_cotroc_2.3.co_2.

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Objective Conventional cephalometry is an inexpensive and well-established method for evaluating patients with dentofacial deformities. However, patients with major deformities, and in particular asymmetric cases are difficult to evaluate by conventional cephalometry. Both two- and three-dimensional computed tomography (CT) have been proposed to alleviate some of these difficulties. Only a few studies using metallic markers have indicated 3-D CT to be a useful diagnostic method, whereas no studies have evaluated the reliability of the anatomic cephalometric points used in 3-D CT. The aim of ou

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RETCHESKI, Alexandre Jose, Nelson Padilha da SILVA, Fernanda LEITE, and Paulo Roberto Aranha NOUER. "Reliability of adenoid hypertrophy diagnosis by cephalometric radiography." RGO - Revista Gaúcha de Odontologia 62, no. 3 (2014): 275–80. http://dx.doi.org/10.1590/1981-8637201400030000071762.

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OBJECTIVE: To verify the reliability of adenoid hypertrophy diagnosis by cephalometric radiography. METHOD: Thirty male subjects, aged between 12 and 15 years, either mouth-breathers, or not, were selected. Diagnostic tests for adenoid hypertrophy were performed by radiological cephalometry based on lateral cephalometric radiographs and nasal endoscopy (gold standard). The CefX Cephalometric software program, version 2000 was used and the rhinoscopy was performed with a flexible endoscope. Blockage of 47% and 75% of the nasopharynx were taken as the cutoff points for cephalometric radiography

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Oliver, Richard G. "Cephalometric Analysis Comparing Five Different Methods." British Journal of Orthodontics 18, no. 4 (1991): 277–83. http://dx.doi.org/10.1179/bjo.18.4.277.

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A commonly used cephalometric analysis was performed repeatedly on five lateral cephalometric radiographs using a variety of methods, and the angular values obtained compared. Two computerized methods, one utilizing direct digitization of the radiograph and the other digitizing an enhanced video image of the radiograph, were compared with each other and also against the traditional manual method of tracing. In addition, a single manual tracing of each of the radiographs was digitized using each computer method. It was found that direct digitization is less precise than both the traditional met

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Ting, Stephanie, Diana Attaia, K. Brandon Johnson, et al. "Can modifying shielding, field of view, and exposure settings make the effective dose of a cone-beam computed tomography comparable to traditional radiographs used for orthodontic diagnosis?" Angle Orthodontist 90, no. 5 (2020): 655–64. http://dx.doi.org/10.2319/072819-496.1.

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ABSTRACT Objectives To analyze the effect of changes in exposure settings, field of view (FOV), and shielding on radiation to an adult and child phantom from cone-beam computed tomography (CBCT) imaging compared to panoramic and lateral cephalometric radiographs. Materials and Methods The effective dose to an adult and child anthropomorphic phantom by the CS 9300 using various scan protocols was recorded. Absorbed radiation was measured with optically stimulated luminescence dosimeters and effective dose calculated using 2007 International Commission on Radiological Protection tissue weighting

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Pereira, Suelen Cristina da Costa, Rejane Targino Soares Beltrão, Guilherme Janson, and Daniela Gamba Garib. "Lateral cephalometric radiograph versus lateral nasopharyngeal radiograph for quantitative evaluation of nasopharyngeal airway space." Dental Press Journal of Orthodontics 19, no. 4 (2014): 89–93. http://dx.doi.org/10.1590/2176-9451.19.4.089-093.oar.

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OBJECTIVE: This study compared lateral radiographs of the nasopharynx (LN) and lateral cephalometric radiographs (LC) used to assess nasopharyngeal airway space in children. MATERIAL AND METHODS: One examiner measured the nasopharyngeal space of 15 oral breathing patients aged between 5 and 11 years old by using LN and LC. Both assessments were made twice with a 15-day interval in between. Intergroup comparison was performed with t-tests (P < 0.05). RESULTS: Comparison between LN and LC measurements showed no significant differences. CONCLUSION: Lateral cephalometric radiograph is an accept

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Andrade, Kelly Machado de, Carolina Almeida Rodrigues, Plauto C. Aranha Watanabe, and Marcelo Oliveira Mazzetto. "Styloid process elongation and calcification in subjects with tmd: clinical and radiographic aspects." Brazilian Dental Journal 23, no. 4 (2012): 443–50. http://dx.doi.org/10.1590/s0103-64402012000400023.

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Knowledge of the Eagle's syndrome shows that its symptoms can be very easily confused with other types of craniomandibular disorders, especially temporomandibular disorders (TMD). The aim of this study was to find a possible correlation between the presence of TMD and elongation of the styloid process as well relate to presence of calcification of the stilohyoid chain. Fifty patients with TMD, confirmed from the RDC/TMD, were examined clinically and radiographically. Radiographic documentation consisted of digital panoramic radiograph and digital lateral cephalometric radiograph. Radiocef soft

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Meloti, Aparecida Fernanda, Renata de Cássia Gonçalves, Ertty Silva, Lídia Parsekian Martins, and Ary dos Santos-Pinto. "Lateral cephalometric diagnosis of asymmetry in Angle Class II subdivision compared to Class I and II." Dental Press Journal of Orthodontics 19, no. 4 (2014): 80–88. http://dx.doi.org/10.1590/2176-9451.19.4.080-088.oar.

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INTRODUCTION: Lateral cephalometric radiographs are traditionally required for orthodontic treatment, yet rarely used to assess asymmetries. OBJECTIVE: The objective of the present study was to use lateral cephalometric radiographs to identify existing skeletal and dentoalveolar morphological alterations in Class II subdivision and to compare them with the existing morphology in Class I and II relationship. MATERIAL AND METHODS: Ninety initial lateral cephalometric radiographs of male and female Brazilian children aged between 12 to 15 years old were randomly and proportionally divided into th

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Naresh, V., Naveen Shamnur, NK Lokesh, KVV Pratapvarma, C. Srikrishna, and V. Goutham Chakravarthy. "Cephalometric Assessment of Effect of Head Rotation toward Focal Spot on Lateral Cephalometric Radiographs." Journal of Contemporary Dental Practice 14, no. 2 (2013): 202–7. http://dx.doi.org/10.5005/jp-journals-10024-1300.

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ABSTRACT Introduction The patient's head can be slightly rotated sagittally vertically or transversely with the head holding device. Because of such improper positions due to head rotation, an error can occur in cephalometric measurements. The purpose of this study was to identify the projection errors of lateral cephalometric radiograph due to head rotation in the vertical Z-axis toward the focal spot. Materials and methods Ten human dry skulls with permanent dentition were collected. Each dry skull was rotated from 0° to +20° at 5° intervals. A vertical axis, the Z-axis, was used as a rotati

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Dinesh, Anjali, Sunil Mutalik, Jonathan Feldman, and Aditya Tadinada. "Value-addition of lateral cephalometric radiographs in orthodontic diagnosis and treatment planning." Angle Orthodontist 90, no. 5 (2020): 665–71. http://dx.doi.org/10.2319/062319-425.1.

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ABSTRACT Objective To investigate the value-addition of obtaining lateral cephalometric radiographs during the treatment planning phase of orthodontic treatment. Materials and Methods The records of 100 orthodontic patients were presented to seven scorers during two phases that were 6 weeks apart. In the first phase, scorers completed a seven-question survey with questions regarding treatment planning. They were given various diagnostic records that did not include a lateral cephalometric radiograph. Six weeks later, the same scorers completed the same survey for the same patient cases with th

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Friedlander, A. H., and I. K. Friedlander. "Lateral cephalometric radiographs: Detection of carotid atheromas." International Journal of Oral and Maxillofacial Surgery 26 (January 1997): 146. http://dx.doi.org/10.1016/s0901-5027(97)81284-2.

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Kumar, Vandana, John Ludlow, Lucia Helena Soares Cevidanes, and André Mol. "In Vivo Comparison of Conventional and Cone Beam CT Synthesized Cephalograms." Angle Orthodontist 78, no. 5 (2008): 873–79. http://dx.doi.org/10.2319/082907-399.1.

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Abstract Objective: To compare measurements from synthesized cone-beam computed tomography (CBCT) lateral cephalograms using orthogonal and perspective projections with those from conventional cephalometric radiographs. Materials and Methods: Thirty-one patients were imaged using CBCT and conventional cephalometry. CBCT volume data were imported in Dolphin 3D. Orthogonal and perspective lateral cephalometric radiographs were created from three-dimensional (3D) virtual models. Twelve linear and five angular measurements were made on synthesized and conventional cephalograms in a randomized fash

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Strajnic, Ljiljana, and Predrag Vucinic. "Evaluation of cephalometric parameters in determining the position of anterior teeth." Serbian Dental Journal 50, no. 2 (2003): 76–81. http://dx.doi.org/10.2298/sgs0302076s.

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In the study the cephalometric method was used to determine the position of the artificial central upper and lower incisors of edentulous patients class I, and natural central upper and lower incisors of dentulous individuals class I. Cephalometric radiographs of edentulous patients were made with a precisely set position of frontal teeth and marked central incisors. The control group consisted of 30 lateral cephalometric radiographs of dentulous persons class I. Certain of Schwartz and Steiner cephalometric radiograph analysis were used for precise sagittal positioning of upper and lower cent

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Tsai, Hung-Huey. "Localization of first permanent molars in lateral cephalometric and panoramic radiographs from early mixed dentition to early permanent dentition." Journal of Clinical Pediatric Dentistry 25, no. 4 (2001): 303–6. http://dx.doi.org/10.17796/jcpd.25.4.626l77703030h802.

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Changes in position and mesiodistal angulations of maxillary and mandibular first permanent molars from early mixed dentition to early permanent dentition were measured on panoramic radiographs and compared with the values measured on lateral cephalometric radiographs. It was found that the maxillary and mandibular first permanent molars were uprighted gradually, drifted mesially and vertically, and that the changes in mesiodistal angulations were clearly on the panoramic radiographs in comparison with the cephalometric radiographs.

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Said, Omar T., P. Emile Rossouw, Leonard S. Fishman, and Changyong Feng. "Relationship between anterior occlusion and frontal sinus size." Angle Orthodontist 87, no. 5 (2017): 752–58. http://dx.doi.org/10.2319/010617-18.1.

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ABSTRACT Objective: To determine the relationship between anterior occlusion and frontal sinus size. Methods: The patient database at the Eastman Institute for Oral Health, University of Rochester, was searched for male patients older than 15 years and females older than 13 years of age. After applying inclusion and exclusion criteria, participants' photos and lateral cephalometric and posteroanterior radiographs were examined then classified into a control class I group (n = 20, 15.7 ± 2.7 years) and eight malocclusion groups (n = 136, 16.1 ± 2.1 years). The frontal sinus area on the lateral

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Al Hadithy, Saba, Khaled Attia, and Amr El Dakroury. "Accuracy of cone beam-derived lateral cephalometric radiographs." Egyptian Orthodontic Journal 37, no. 6 (2010): 25–35. http://dx.doi.org/10.21608/eos.2010.78767.

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Jureyda, S. "Ossification of Laryngeal Cartilages on Lateral Cephalometric Radiographs." Yearbook of Dentistry 2006 (January 2006): 301. http://dx.doi.org/10.1016/s0084-3717(08)70244-7.

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Näslund, E.-B., M. Kruger, A. Petersson, and K. Hansen. "Analysis of low-dose digital lateral cephalometric radiographs." Dentomaxillofacial Radiology 27, no. 3 (1998): 136–39. http://dx.doi.org/10.1038/sj.dmfr.4600333.

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Durham, Julia N., John W. King, Quinton C. Robinson, and Terry M. Trojan. "Long-term skeletodental stability of mandibular symphyseal distraction osteogenesis: Tooth-borne vs hybrid distraction appliances." Angle Orthodontist 87, no. 2 (2016): 246–53. http://dx.doi.org/10.2319/022916-175.1.

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ABSTRACT Objective: To evaluate and compare the long-term skeletodental stability of mandibular symphyseal distraction osteogenesis (MSDO) achieved with the use of tooth-borne vs. hybrid distraction appliances. Materials and Methods: Posttreatment and follow-up orthodontic records were collected for 33 patients. The 14 patients who underwent distraction with a tooth-borne appliance had a mean follow-up of 5.08 years. The 19 patients who underwent distraction with a hybrid appliance had a mean follow-up of 6.07 years. Records included intraoral photographs, study models, postero-anterior cephal

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Sandham, Andrew. "Repeatability of Head Posture Recordings from Lateral Cephalometric Radiographs." British Journal of Orthodontics 15, no. 3 (1988): 157–62. http://dx.doi.org/10.1179/bjo.15.3.157.

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The mechanisms that control facial growth are still not known. One method for studying these mechanisms is the careful analysis of subjects with normal and aberrant growth patterns using standardized lateral cephalometric radiographs. It has been shown in normal subjects that head posture is related to facial development and that changes in head posture are influenced by changes in nasal respiratory resistance (NRR). In the determination of these associations it is therefore important to assemble cephalometric data from lateral skull radiographs that have been standardized for position as well

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Abu Alhaija, Elham S. J. "Panoramic radiographs." Journal of Clinical Pediatric Dentistry 29, no. 2 (2005): 165–66. http://dx.doi.org/10.17796/jcpd.29.2.q4501432454g0763.

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The aim of this study was to evaluate the potential of panoramic radiographs to measure mandibular inclination and steepness. Standardized panoramic and lateral cephalometric radiographs were taken for 95 subjects (46 females, mean age 12.4 ± 1.2 years; 49 males, mean age 12.1 ± 1.3 years). Mandibular inclination from panoramic radiograph was measured using gonial angle formed by the tangents of the lower border of the mandible and the distal border of the ascending ramus and the condyle. A correlation test was performed to check for similarity between the measurements. The mean values for the

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Khaitan, Tanya, Arpita Kabiraj, Uday Ginjupally, and Ritika Jain. "Cephalometric Analysis for Gender Determination Using Maxillary Sinus Index: A Novel Dimension in Personal Identification." International Journal of Dentistry 2017 (2017): 1–4. http://dx.doi.org/10.1155/2017/7026796.

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Purpose. Radiography is important in forensic odontology for the identification of humans. The maxillary sinus is the largest of the paranasal sinuses and first to develop. Sinus radiography has been used for identification of skeletal remains and determination of gender. Hence, the aim and objectives of the present study were to establish a new method for gender determination using maxillary sinus index from lateral cephalometric radiographs and to establish the reliability of maxillary sinus for gender determination. Methods. A total of 50 adult digital lateral cephalometric radiographs (25

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Wang, Shumeng, Huiqi Li, Jiazhi Li, Yanjun Zhang, and Bingshuang Zou. "Automatic Analysis of Lateral Cephalograms Based on Multiresolution Decision Tree Regression Voting." Journal of Healthcare Engineering 2018 (November 19, 2018): 1–15. http://dx.doi.org/10.1155/2018/1797502.

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Cephalometric analysis is a standard tool for assessment and prediction of craniofacial growth, orthodontic diagnosis, and oral-maxillofacial treatment planning. The aim of this study is to develop a fully automatic system of cephalometric analysis, including cephalometric landmark detection and cephalometric measurement in lateral cephalograms for malformation classification and assessment of dental growth and soft tissue profile. First, a novel method of multiscale decision tree regression voting using SIFT-based patch features is proposed for automatic landmark detection in lateral cephalom

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Mendonça, Marcos Rogério de, Osmar Aparecido Cuoghi, and Ana Paula Veloso de Linhares. "Evaluation of the mesio-distal positioning of the maxillary first permanent molar in individuals with ectopic eruption." Research, Society and Development 10, no. 7 (2021): e36310716188. http://dx.doi.org/10.33448/rsd-v10i7.16188.

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Objective: To evaluate the mesial-distal positioning of the maxillary first permanent molar in children who present with ectopic eruption of the maxillary first permanent molar (PFMEE). Methods: panoramic radiographs and lateral cephalometric radiographs 12 children of both genders were evaluated. The study group was composed of 12 children with PFMEE and the control group was composed of 12 children with normal occlusion with the first upper permanent molar in occlusion. After selecting the exams from both groups and performing the anatomical tracings, linear and angular measurements were per

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Mazzetto, Marcelo Oliveira, Kelly Machado de Andrade, Laís Valencise Magri, Carolina Almeida Rodrigues, and Plauto Christopher Aranha Watanabe. "Anterior and medial angulations of the styloid process in subjects with TMD: clinical and radiographic findings." Brazilian Dental Journal 24, no. 1 (2013): 80–84. http://dx.doi.org/10.1590/0103-6440201302126.

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This study investigated the existence of association between the angulation of the styloid process on the anterior and medial directions with the intensity of temporomandibular dysfunction (TMD) symptoms. Fifty patients (8 men and 42 women) aged 25 to 70 years, with relevant TMD symptoms were evaluated. Clinical examinations were performed to determine the severity of TMD symptoms (orofacial pain, headache, tinnitus and dizziness) based on the RDC/TMD criteria and the visual analogue scale (VAS), and digital radiographic images of the styloid process were obtained: lateral cephalometric skull

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Wyche, Charlotte J., Janice J. Wilmot, and Sharon L. Brooks. "Frequency of radiopaque turbinate bones on lateral cephalometric radiographs." American Journal of Orthodontics and Dentofacial Orthopedics 108, no. 1 (1995): 56–61. http://dx.doi.org/10.1016/s0889-5406(95)70066-8.

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Konchak, P. A., and J. A. Koehler. "A Pascal computer program for digitizing lateral cephalometric radiographs." American Journal of Orthodontics 87, no. 3 (1985): 197–200. http://dx.doi.org/10.1016/0002-9416(85)90040-5.

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CESUR, Emre, and Kaan ORHAN. "Applications of Contemporary Imaging Modalities in Orthodontics." Journal of Experimental and Clinical Medicine 38, SI-2 (2021): 104–12. http://dx.doi.org/10.52142/omujecm.38.si.dent.5.

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The validity of orthodontic diagnosis and treatment planning depends on the accuracy of the photos, models and radiograps to be obtained from the patient. One of the most important parts of diagnosis and treatment planning is the use of appropriate imaging method. Although lateral cephalometric radiographs are still the most preferred imaging method, other methods such as hand-wrist radiographs, panoramic radiographs, cone beam computerized tomography (CBCT), magnetic resonance imaging (MRI), and ultrasound are also frequently used. For this reason, it is important to know the advantages and d

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Batra, Ritu, Sanjay Kalra, Ajay Bansal, Siddharth Nerula, and Rajat Dang. "Estimation of Vertical Dimension of Occlusion in Edentuleous Patients Using Cephalometric Analysis." Dental Journal of Advance Studies 05, no. 01 (2017): 030–38. http://dx.doi.org/10.1055/s-0038-1672078.

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Abstract“The best of friends fall out with time and so do teeth.”Thus, there is a need to replace the lost teeth and the supporting structures for the patient's social demands and functional rehabilitation. Prosthetic treatment with complete dentures is a very common treatment modality; the biggest challenge in its fabrication is to duplicate the normal vertical dimension. Failure can be avoided by completing the treatment without changing the vertical dimension and obtaining an optimal facial proportion. There are many methods to record VD. Radiographic cephalometry has been used as a diagnos

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Araki, Masao, Takeshi Kiyosaki, Mai Sato, Kiyomi Kohinata, Kunihito Matsumoto, and Kazuya Honda. "Comparative analysis of the gonial angle on lateral cephalometric radiographs and panoramic radiographs." Journal of Oral Science 57, no. 4 (2015): 373–78. http://dx.doi.org/10.2334/josnusd.57.373.

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Pradhan, Resina, Anjana Rajbhandari, Pushkar Manandhar, and Surendra Maharjan. "McNamara Cephalometric Analysis oF Newars of Kathmandu." Orthodontic Journal of Nepal 8, no. 1 (2018): 14–17. http://dx.doi.org/10.3126/ojn.v8i1.21339.

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Introduction: Standardized cephalogram is used for the orthodontic diagnosis and treatment planning and the measured values of the craniofacial structures are compared with the peer group having similar age, gender and ethnicity. However, this standardized comparison has not been possible so far for Newar ethnic group.Objective: To determine cephalometric norms of Newar adults of Kathmandu using McNamara analysis and to assess gender difference within the group. Materials & Method: Newar Indo-Aryan descendents aged 18-27 years were screened based on inclusion criteria. Lateral cephalometri

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Kucia, A., T. Jankowski, M. Siewniak, et al. "Sella turcica anomalies on lateral cephalometric radiographs of Polish children." Dentomaxillofacial Radiology 43, no. 8 (2014): 20140165. http://dx.doi.org/10.1259/dmfr.20140165.

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Devereux, Louis, David Moles, Susan J. Cunningham, and Mary McKnight. "How important are lateral cephalometric radiographs in orthodontic treatment planning?" American Journal of Orthodontics and Dentofacial Orthopedics 139, no. 2 (2011): e175-e181. http://dx.doi.org/10.1016/j.ajodo.2010.09.021.

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Caldas, Maria de Paula, Gláucia Maria Bovi Ambrosano, and Francisco Haiter Neto. "New formula to objectively evaluate skeletal maturation using lateral cephalometric radiographs." Brazilian Oral Research 21, no. 4 (2007): 330–35. http://dx.doi.org/10.1590/s1806-83242007000400009.

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The aim of this study was to establish two new formulas for objectively evaluating skeletal maturation of cervical vertebrae in female and male Brazilian subjects using lateral cephalometric radiographs. The sample included 128 girls and 110 boys, aged 7.0 to 15.9 years, from the files of the Oral Radiology Clinic, Piracicaba Dental School, University of Campinas (Unicamp), SP, Brazil. The cervical vertebral bodies of C3 and C4 were traced and measured and regression formulas were developed in order to determine cervical vertebral bone age. Another sample of lateral teleradiographs and hand-wr

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Mhatre, Amol, VK Ravindranath, Girish Karandikar, and Alok Rajendra Shah. "A Comparative Study of Reliability and Accuracy of Manual and Digital Lateral Cephalometric Tracing." Journal of Contemporary Dentistry 6, no. 1 (2016): 15–18. http://dx.doi.org/10.5005/jp-journals-10031-1136.

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ABSTRACT Objective The aim of this study was to assess the reliability and accuracy of several types of lateral cephalometric attributes commonly used: Angular measurements, linear measurements, and ratio when using digital cephalometric software (Nemoceph) with manual tracing method. Materials and Methods Sample size consisted of 26 lateral cephalometric radiographs. All cephalograms were subjected to both manual and digital cephalometric analysis by the same examiner. Digital analyses were performed on Nemotec digital imaging software. Cephalograms were assessed for a total of 17 cephalometr

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Adebisi. Ajisafe, Olawande, Babatunde Ogunbiyi. Ogunbanjo, Kikelomo Olubukola. Adegbite, and Afolabi Oyapero. "Evaluation of Tweed’s Facial Triangle among Students in Lagos, Nigeria." Orthodontic Journal of Nepal 10, no. 1 (2020): 32–39. http://dx.doi.org/10.3126/ojn.v10i1.31001.

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Introduction: The advent of cephalometric analysis has aided orthodontic diagnostic procedures, while the Tweed’s facial triangle which is a type of cephalometric analysis has complemented routine orthodontic treatment planning. This aim of this study was to evaluate Tweed’s facial triangle among a selected Nigerian population with normal occlusion. Materials & Method: A sample of 100 subjects, selected by multistage sampling from three schools in Ikeja local government, Lagos State had lateral cephalometric radiographs taken. The final sample analysis of the radiographs was 84. The

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Amasya, Hakan, Derya Yildirim, Turgay Aydogan, Nazan Kemaloglu, and Kaan Orhan. "Cervical vertebral maturation assessment on lateral cephalometric radiographs using artificial intelligence: comparison of machine learning classifier models." Dentomaxillofacial Radiology 49, no. 5 (2020): 20190441. http://dx.doi.org/10.1259/dmfr.20190441.

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Objectives: This study aimed to develop five different supervised machine learning (ML) classifier models using artificial intelligence (AI) techniques and to compare their performance for cervical vertebral maturation (CVM) analysis. A clinical decision support system (CDSS) was developed for more objective results. Methods: A total of 647 digital lateral cephalometric radiographs with visible C2, C3, C4 and C5 vertebrae were chosen. Newly developed software was used for manually labelling the samples, with the integrated CDSS developed by evaluation of 100 radiographs. On each radiograph, 26

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Caballero-Purizaga, Paola Janett, Luis Ernesto Arriola-Guillén, and Gustavo Adolfo Watanabe-Kanno. "Efficiency of ODI and APDI of Kim’s cephalometric analysis in a Latin American population with skeletal open bite." Dental Press Journal of Orthodontics 24, no. 3 (2019): 46–54. http://dx.doi.org/10.1590/2177-6709.24.3.046-054.oar.

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ABSTRACT Objective: The objective of this research was to demonstrate the efficiency of the overbite depth indicator (ODI) and the anteroposterior dysplasia indicator (APDI) from Kim’s cephalometric analysis, regarding the determination of the vertical and sagittal patterns of Latin American individuals. Methods: Two hundred lateral cephalometric radiographs were selected and divided into four study groups, with 50 radiographs each, for carrying out a cross-sectional study. The control group included radiographs of balanced individuals, and the other three groups had lateral cephalometric radi

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Rino Neto, José, João Batista de Paiva, Gilberto Vilanova Queiroz, Miguel Ferragut Attizzani, and Hiroshi Miasiro Junior. "Evaluation of radiographic magnification in lateral cephalograms obtained with different X-ray devices: experimental study in human dry skull." Dental Press Journal of Orthodontics 18, no. 2 (2013): 17e1–17e7. http://dx.doi.org/10.1590/s2176-94512013000200005.

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OBJECTIVE: The purpose of this study was to evaluate the influence of the magnification factor of the radiographic image in angular, linear and proportional measurements. METHODS: From a dried human skull where metallic spheres with predetermined size were fixed (1.0 mm), 14 radiographs were obtained in devices of three different manufacturers: Panoura, Instrumentarium and Tomeceph. The Pearson correlation test was used to investigate the relationship between the rate of radiographic magnification and the cephalometric measurements assessed. RESULTS: According to the results, the linear measur

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Pakbaznejad Esmaeili, Elmira, Marja Ekholm, Jari Haukka, Marjut Evälahti, and Janna Waltimo-Sirén. "Are children’s dental panoramic tomographs and lateral cephalometric radiographs sufficiently optimized?" European Journal of Orthodontics 38, no. 1 (2015): 103–10. http://dx.doi.org/10.1093/ejo/cjv076.

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Perry, John, Anchal Puri, and John Ho-A-Yun. "A re-audit of the quality of digital lateral cephalometric radiographs." Orthodontic Update 8, no. 1 (2015): 24–27. http://dx.doi.org/10.12968/ortu.2015.8.1.24.

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Luyk, N. H., P. H. Whitfield, R. P. Ward-Booth, and E. D. Williams. "The reproducibility of the natural head position in lateral cephalometric radiographs." British Journal of Oral and Maxillofacial Surgery 24, no. 5 (1986): 357–66. http://dx.doi.org/10.1016/0266-4356(86)90021-5.

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Shalhoub, S. Y., Omar A. Sarhan, and H. S. Shaikh. "Adult Cephalometric Norms for Saudi Arabians with a Comparison of Values for Saudi and North American Caucasians." British Journal of Orthodontics 14, no. 4 (1987): 273–79. http://dx.doi.org/10.1179/bjo.14.4.273.

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When considering orthognathic surgery for adult Saudi Arabians, there are as yet no cephalometric norms available for use during treatment planning. Lateral cephalometric radiographs were taken for 48 Saudi adult patients (24 males, 24 females). All showed reasonably normal dental relationship, with no severe antero-posterior, vertical or transverse skeletal discrepancies. The age range was from 20 to 46 years. Angular and linear measurements were recorded and compared to a similar sample of North American caucasians. A set of cephalometric values for male and female Saudis were established an

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Wu, John, Urban Hägg, and A. Bakr M. Rabie. "Chinese Norms of McNamara's Cephalometric Analysis." Angle Orthodontist 77, no. 1 (2007): 12–20. http://dx.doi.org/10.2319/021606-62r.1.

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Abstract Objective: To establish cephalometric norms of McNamara's analysis in young Chinese and compare them to those of a matched young Caucasian sample. Materials and Methods: The material comprised lateral cephalometric radiographs of a random sample of 200 male and 205 female 12-year-old southern Chinese children, and an additional sample of 43 male and 43 female 12-year-old British Caucasian children in Hong Kong. The radiographs were digitized twice with the CASSOS program. Results: The results showed that there were statistically significant gender differences for six out of the 11 cep

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Moon, Jun-Ho, Hye-Won Hwang, and Shin-Jae Lee. "Evaluation of an automated superimposition method for computer-aided cephalometrics." Angle Orthodontist 90, no. 3 (2020): 390–96. http://dx.doi.org/10.2319/071319-469.1.

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ABSTRACT Objectives To evaluate a new superimposition method compatible with computer-aided cephalometrics and to compare superimposition error to that of the conventional Sella-Nasion (SN) superimposition method. Materials and Methods A total of 283 lateral cephalometric radiographs were collected and cephalometric landmark identification was performed twice by the same examiner at a 3-month interval. The second tracing was superimposed on the first tracing by both the SN superimposition method and the new, proposed method. The proposed method not only relied on SN landmarks but also minimize

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BM, Michelle BM, Mari Eli LM, Fernando VR, Simone MRG, and Déborah H. "Evaluation and development of a bone age assessment method in patients with Down syndrome." Revista da ABENO 10, no. 2 (2013): 41–45. http://dx.doi.org/10.30979/rev.abeno.v10i2.19.

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The objective of this paper was to evaluate the applicability of the method developed by Caldas to measure the vertebral bone age of Brazilians suffering from Down syndrome. A database comprised of 57 case records of individuals with this syndrome, both male and female, with ages ranging between 5 and 18 years, was used for this purpose. These records had lateral cephalometric radiographs and radiographs of hand and wrist, all of which had been obtained on the same date. There were 48 other records of individuals who did not suffer from Down syndrome. The Tanner and Whitehouse (TW3) method was

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Todorova-Plachiyska, Katya G., and Mariya G. Stoilova-Todorova. "Lateral Cephalometric Study in Adult Bulgarians with Normal Occlusion." Folia Medica 60, no. 1 (2018): 141–46. http://dx.doi.org/10.1515/folmed-2017-0072.

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Abstract Orthodontic treatment is effective when the facial and cephalometric characteristics of the ethnic background of patients are considered because the normal measurements for one group are not necessarily normal for another group. It is important to develop individual standards for each population. Different racial groups must be treated according to their own characteristics. The aim of this study was to establish a cephalometric standard of the cranial bases and jaw bases for Bulgarian population and to find the differences between males and females. The pilot study included 390 adult

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Cohen, Lance M., Peter J. Koltai, and John R. Scott. "Lateral Cervical Radiographs and Adenoid Size: Do They Correlate?" Ear, Nose & Throat Journal 71, no. 12 (1992): 638–42. http://dx.doi.org/10.1177/014556139207101207.

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Clinicians have questioned the value of lateral soft tissue neck x-ray (LSTN) in assessing adenoid size. Elaborate cephalometric assays have been devised to measure degree of nasopharyngeal obstruction secondary to adenoid hypertrophy. This study prospectively studied 73 children, aged 11 months to 13 years, with clinical evidence of adenoid hypertrophy to assess how well a LSTN correlates with direct intraoperative observation of adenoid size and nasopharyngeal obstruction. We found a relatively weak correlation (Pearson coefficient r = 0.34) between x-ray and operative observations. We concl

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Gonçalves, Fernando Antonio, Lígia Schiavon, João Sarmento Pereira Neto, and Darcy Flávio Nouer. "Comparison of cephalometric measurements from three radiological clinics." Brazilian Oral Research 20, no. 2 (2006): 162–66. http://dx.doi.org/10.1590/s1806-83242006000200013.

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The orthodontic documentation carried out in radiological clinics is essential for diagnosis, planning and control of the orthodontic treatment. Amongst the diagnosis elements used are the cephalometric measurements, and errors can be incorporated as they are obtained. The objective of this work was to evaluate the values of some cephalometric measurements obtained in three radiological clinics using 30 lateral cephalometric radiographs of the head randomly chosen from the archives of the Department of Child Dentistry (Discipline of Orthodontics), School of Dentistry of Piracicaba, UNICAMP. Th

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Akshita, Arun K. Chauhan, and Riddhi Chawla. "A photogrammetric and cephalometric evaluation of facial symmetry and smile in relation to attractiveness." UNIVERSITY JOURNAL OF DENTAL SCIENCES 6, no. 3 (2021): 1–8. http://dx.doi.org/10.21276/ujds.2020.6.3.1.

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Introduction: Human find symmetrical face more attractive than are asymmetrical faces. The smile is one of the most important facial expressions and is essential in expressing friendliness, agreement, and appreciation. The aim of the present study was to evaluate the relationship between smile and symmetry in attributing to attractiveness.  Materials & Method: The study was conducted in the Department Of Orthodontics and Dentofacial Orthopedics, on 150 samples. 150 good quality radiographs and photographs of the patients were obtained. The subjects were divided into three group

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