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Journal articles on the topic 'Inter-facial measurements'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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1

Palmer, R. L., P. Helmholz, and G. Baynam. "CLINIFACE: PHENOTYPIC VISUALISATION AND ANALYSIS USING NON-RIGID REGISTRATION OF 3D FACIAL IMAGES." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B2-2020 (August 12, 2020): 301–8. http://dx.doi.org/10.5194/isprs-archives-xliii-b2-2020-301-2020.

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Abstract. Facial appearance has long been understood to offer insight into a person’s health. To an experienced clinician, atypical facial features may signify the presence of an underlying rare or genetic disease. Clinicians use their knowledge of how disease affects facial appearance along with the patient’s physiological and behavioural traits, and their medical history, to determine a diagnosis. Specialist expertise and experience is needed to make a dysmorphological facial analysis. Key to this is accurately assessing how a face is significantly different in shape and/or growth compared t

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Ceinos, Romain, Delphine Tardivo, Marie-France Bertrand, and Laurence Lupi-Pegurier. "Inter- and Intra-Operator Reliability of Facial and Dental Measurements Using 3D-Stereophotogrammetry." Journal of Esthetic and Restorative Dentistry 28, no. 3 (2016): 178–89. http://dx.doi.org/10.1111/jerd.12194.

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Mollov, Nikolay, José Antônio Bosio, Jessica Pruszynski, and Thomas Wirtz. "Intra- and inter-examiner reliability of direct facial soft tissue measurements using digital calipers." Journal of the World Federation of Orthodontists 1, no. 4 (2012): e157-e161. http://dx.doi.org/10.1016/j.ejwf.2012.10.002.

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Gacto-Sánchez, Purificación, Fernando Lobo-Bailón, Cristina Suárez, and Tomás Gómez- Cía. "Structured light scanning to evaluate three-dimensional anthropometry in HIV facial lipoatrophy." Surgical Techniques Development 1, no. 2 (2011): 30. http://dx.doi.org/10.4081/std.2011.e30.

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The psychological and social impact of the lipodystrophy syndrome on HIV-infected individuals may be quite considerable and adversely affect their quality of life. Currently no validated assessment tool for facial lipoatrophy is available. The main objective of this paper is to evaluate the reliability of interactive anthropometric landmark localization based on digitized 3D facial images. By comparing both computed tomography (CT) and structured light scanning we try to demonstrate that surface scanning shows a higher sensitivity in measuring facial reference points. Besides, we evaluate the

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Ramos, Adilson Luiz, Ossam Abu El Haje, Daniela Daufenback Pompeo, Gisela Crippa Furtado, and Luciana Monti Lima Rivera. "Is It Possible to use Cross-sectional and Vertical Facial Measurements to establish the Shape of the Mandibular Arch?" Journal of Contemporary Dental Practice 15, no. 6 (2014): 735–39. http://dx.doi.org/10.5005/jp-journals-10024-1608.

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ABSTRACT Background Given the benefits of radiographic cephalometric studies in determining patterns of dental-skeletal-facial normality in orthodontics, the aim of this study was to investigate the association between mandibular dental arch shape and cross-sectional and vertical facial measurements. Materials and methods It was analyzed plaster casts and teleradiographs in frontal and lateral norm belonging to 50 individuals, aged between 15 and 19 years, with no previous history of orthodontic treatment and falling into four of the six Andrews's occlusion keys. The plaster models were scanne

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Basnet, Bishal Babu. "A Comparison of Facial Proportions in Pleasing and Unpleasing Smile Photographs from Nepalese Population." Journal of Nepalese Prosthodontic Society 2, no. 1 (2019): 28–34. http://dx.doi.org/10.3126/jnprossoc.v2i1.26829.

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Introduction: Facial proportion and dental proportions are matters of interest for dental professionals to craft a beautiful smile. In facial analyses, the role of different proportions cannot be overlooked when planning dento facial treatment. This study aims to determine the different facial proportions; smile index, lower smile index, nose width to outer inter commissural width, intercanine width to outerinter commissural width, nose width to intercanine width and outer intercommissural width to lower facial height in esthetically pleasing smile (ES) and esthetically unpleasing smile (US) g

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Dias, Paulo Eduardo Miamoto, Thiago Leite Beaini, and Rodolfo Francisco Haltenhoff Melani. "Evaluation of osifix software with craniofacial anthropometric purposes." Journal of Research in Dentistry 1, no. 4 (2013): 351. http://dx.doi.org/10.19177/jrd.v1e42013351-367.

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Forensic Facial Reconstruction is a branch of Forensic Anthropology that attempts to approximate the appearance of an unknown individual through soft tissue reconstruction, after anthropological craniofacial analysis is carried out. The reconstruction publicized in the media aims at a recognition, which can trigger formal human identification. Knowing the anthropometric relationships between hard and soft tissues is useful to increase the accuracy of reconstructions. It was sought to evaluate the performance of the software OsiriX as a tool for anthropometric analysis of both hard and soft tis

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Adekunle, Adegbayi Adeola, Abiodun Yusuff Olowo, Moses Adetona, et al. "Variations in Facial Anthropometric Measurements among Major Ethnic Groups in Nigeria: A 3-Dimentional Stereophotogrammetry Analysis." FACE 2, no. 3 (2021): 236–43. http://dx.doi.org/10.1177/27325016211029013.

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Objectives: The aim of the study is to highlight variations in facial anthropometric measurements among the major ethnic groups in Nigeria using 3D photogrammetry. Materials and Methods: This study was conducted in Lagos, Nigeria. Acquisition of 3D facial photographs was done using a Vectra H1 portable 3D photogrammetry imaging system. Descriptive analysis of collected data was done and a test of associations performed using independent samples t-test. The level of significance was set at <.05. Results: The total number of participants in this study was 503. The study population was made up

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Tabiai, I., R. Delorme, D. Therriault, and M. Levesque. "In-situ Full Field Measurements During Inter-Facial Debonding in Single Fiber Composite Under Transverse Load." Experimental Mechanics 58, no. 9 (2018): 1451–67. http://dx.doi.org/10.1007/s11340-018-0429-9.

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Devi, Thoudam Bedita, and Soibam Jibonkumar Singh. "Estimation of stature from cephalometric measurements among male Muslims of Manipur, India." International Journal of Research in Medical Sciences 5, no. 9 (2017): 4055. http://dx.doi.org/10.18203/2320-6012.ijrms20173982.

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Background: Stature as is one such important anthropometric parameter which helps in personal identification of an individual. The present study attempts to reconstruct stature from some selected cephalometric measurements among 200 male Muslims of Manipur by using standard measurement techniques.Methods: For the purpose of present study, eight cephalometric dimensions of each subject along with their stature were collected from 200 male Manipuri Muslims, (age between 20 to 60 years) of the four valley districts of Manipur viz. Imphal east, Imphal west, Thoubal and Bishnupur following the meth

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Boel, Trelia, Maria Purbiati, Ervina Sofyanti, and Erliera Erliera. "Validitas dan Reliabilitas Pengukuran Posisi Horizontal Menton dalam Penilaian Kesimetrisan Mandibulofasial (Kajian Sefalometri Postero-Anterior)." Talenta Conference Series: Tropical Medicine (TM) 1, no. 1 (2018): 156–62. http://dx.doi.org/10.32734/tm.v1i1.40.

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Latar belakang : Pengukuran sefalometri melibatkan penentuan titik-titik anatomis secara objektif namun juga dapat melibatkan subjektifitas pengukur dengan faktor-faktor yang dapat mempengaruhi hasil pengukuran. Dalam hal ini dibutuhkan pengujian untuk mendapatkan validitas dan reliabilitas pengukuran yang baik sehingga analisis dari hasil pengukuran dinilai akurat dan layak. Perkembangan radiografi digital yang didukung dengan perangkat lunak memudahkan operator dalam interpretasi hasil pencitraan radiografi secara kuantitatif dan kualitatif. Metode : Titik Menton (Me) merupakan titik anatomi

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Shetty, Sanath Kumar, Prakyath Malli, Joana D’ Souza, Kamalakanth Shenoy, Surya Teja Chunduri, and Kevin Fernandes. "Inner Canthal Distance, Inter Pupillary Width, and Golden Proportion, as Predictors of Width of the Maxillary Central Incisors - An In Vivo Study." Journal of Evolution of Medical and Dental Sciences 10, no. 22 (2021): 1650–55. http://dx.doi.org/10.14260/jemds/2021/343.

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BACKGROUND The mesio-distal width of anterior teeth can be determined by certain anthropometric measurements of face. The inter pupillary width is a facial landmark that is stable and does not modify after the age of 14 years. This study intended to determine if any relationship exists between inner canthal distances (ICD), inter-pupillary width (IPW), and golden proportion in determining the association between them and the maxillary central incisor width (CIW). METHODS 252 adult dentate subjects of age group 18 - 26 years who were free from dentofacial deformities were evaluated in the prese

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Omotoso, D. R., A. J. Olanrewaju, U. C. Okwuonu, O. Adagboyin, and E. O. Bienonwu. "Morphometric study of cephalo-facial indices among Bini children in southern Nigeria." Anatomy Journal of Africa 8, no. 2 (2019): 1580–85. http://dx.doi.org/10.4314/aja.v8i2.189031.

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Cephalometry is an important branch of anthropometry which involves the morphological study of structures present in the human head or scientific measurement of the dimensions of the head. Some of the most important cephalometric parameters include the length/height and breadth/width of the head, the face and the nose as well as their respective indices. These cephalometric parameters are vital in the description of variation which is a common phenomenon that characterizes human physiognomy. They are also useful in the description of human inter-racial and intra-racial similarities both within

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Omotoso, D. R., A. J. Olanrewaju, U. C. Okwuonu, O. Adagboyin, and E. O. Bienonwu. "Retracted: Morphometric study of cephalo-facial indices among Bini children in southern Nigeria." Anatomy Journal of Africa 8, no. 2 (2019): 1552–57. http://dx.doi.org/10.4314/aja.v8i2.188222.

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This article has been retracted by the Editor.Cephalometry is an important branch of anthropometry which involves the morphological study of structures present in the human head or scientific measurement of the dimensions of the head. Some of the most important cephalometric parameters include the length/height and breadth/width of the head, the face and the nose as well as their respective indices. These cephalometric parameters are vital in the description of variation which is a common phenomenon that characterizes human physiognomy. They are also useful in the description of human inter-ra

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Tekesin, Ismail, and Oliver Graupner. "Measurement of inferior facial angle and prefrontal space ratio in first trimester fetuses with aneuploidies: a retrospective study." Journal of Perinatal Medicine 47, no. 9 (2019): 969–78. http://dx.doi.org/10.1515/jpm-2019-0173.

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Abstract Objective To determine whether the measurement of inferior facial angle (IFA) and prefrontal space ratio (PFSR) in two-dimensional (2D) ultrasound images in the first trimester of pregnancy is reliable and to describe these markers in normal and aneuploid fetuses. Methods IFA and PFSR were measured in stored 2D midsagittal images of 200 normal and 140 aneuploid fetal profiles between 11 + 0 and 13 + 6 weeks of gestation. Limits of agreement (LOAs) and intraclass correlation coefficients (ICCs) for inter- and intraobserver differences were calculated. Results The mean IFA in normal fet

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Furtado, Ivo A., and Helena Roque Agostinho. "Apresentação do Método Anátomo-Clínico de Faciometria Directa em Crianças com Objectivos Propedêuticos." Acta Médica Portuguesa 27, no. 4 (2014): 458. http://dx.doi.org/10.20344/amp.5085.

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<strong>Introduction:</strong> We introduce the concept of direct faciometrics with propaedeutic purpose, underlying the measurement of growth in infant face, with relevant advantages over other methods.<br /><strong>Material and Methods:</strong> We observed 102 healthy Caucasian children of both gender, aged up to 14 years (included) who accessed the consultation of Pediatric Stomatology of Lisboa- Norte Hospital Centre, from May 1, 2011 and during one year. We evaluated the degree of facial growth and its characteristics, based on linear and angle measurements

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Jha*, Dr Praveen Kumar, Dr Vinod Kumar Saxena, Prof Suresh Kumar Yatirajula, and Dr Ayanagounder Kumar. "Impact of Natural Polymer (Xanthan Gum) and Bentonite Clay on the Development of Oil-In-Water (O/W) Emulsion Drilling Fluids." International Journal of Innovative Technology and Exploring Engineering 10, no. 10 (2021): 129–36. http://dx.doi.org/10.35940/ijitee.i9344.08101021.

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Drilling fluid plays the same role in oil and gas well drilling as the blood in human body. A new type of oil-in-water (o/w) emulsion drilling fluid has been developed using diesel oil as dispersed phase, brine water as continuous phase, xanthan gum as viscosity modifier and clay as emulsion stabilizer and filtration controlling agent. Initially, standard recommended techniques were opted to detect the rheological properties of the emulsions. The fluids have also shown stable properties upto 70°C after aging for 24 h. As drilling fluids encounter a lot of variation in temperature and pressure

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Pereira, Tháıs de Sous, Cristina Hiromi Kuniyoshi, Cristiane de Almeida Leite, Eloisa M. M. S. Gebrim, Mário L. R. Monteiro, and Allan C. Pieroni Gonçalves. "A Comparative Study of Clinical vs. Digital Exophthalmometry Measurement Methods." Journal of Ophthalmology 2020 (March 23, 2020): 1–6. http://dx.doi.org/10.1155/2020/1397410.

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Background. A number of orbital diseases may be evaluated based on the degree of exophthalmos, but there is still no gold standard method for the measurement of this parameter. In this study we compare two exophthalmometry measurement methods (digital photography and clinical) with regard to reproducibility and the level of correlation and agreement with measurements obtained with Computerized Tomography (CT) measurements. Methods. Seventeen patients with bilateral proptosis and 15 patients with normal orbits diseases were enrolled. Patients underwent orbital CT, Hertel exophthalmometry (HE) a

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Stefan, Williams, Fang Hui, Qahwaji Rami, et al. "WED 109 Computer vision: a smartphone camera can ‘see’ bradykinesia." Journal of Neurology, Neurosurgery & Psychiatry 89, no. 10 (2018): A11.4—A12. http://dx.doi.org/10.1136/jnnp-2018-abn.42.

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The core clinical feature of Parkinson’s disease is bradykinesia. However, the most common method of clinical assessment, finger tapping, has poor inter-rater reliability, even among movement disorder specialists. Many technologies have been devised to objectively measure finger tapping, but virtually all involve specialised equipment, which may explain why none are in widespread use. One method involves patients tapping a smartphone screen, but this cannot detect tapping amplitude or decrement (key features of bradykinesia assessment).Computer vision takes static or moving images from a camer

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Kuroiedova, V. D., Y. Y. Vyzhenko, O. M. Makarova, and O. A. Stasiuk. "SCIENTIFIC JUSTIFICATION OF THE USE OF CONE-BEAM COMPUTERIZED TOMOGRAPHY (CBCT) FOR CEPHALOMETRIC ANALYSIS IN THE «AUDAXCEPH» PROGRAMM." Ukrainian Dental Almanac, no. 4 (December 26, 2019): 52–56. http://dx.doi.org/10.31718/2409-0255.4.2019.09.

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This article is concerned with peculiarities of points’ placement in orthodontics and study of cephalometric parameters on 3D reconstructions. The aim of the investigation is to develop out the algorithm of distribution of main cephalometric points on 3D reconstructions, received from CBCT and compare characteristics of measurements done on classic teleroentgenogram (TRG) and 3D reconstructions. Materials and methods. The main angular (SNA, SNB, ANB, SN-Ba) skeletal saggital parameters, vertical (ML-NSL, NL-ML, Facial axis, <G), and dental were taken (+1/NL, -1/ML, +1/-1). The a

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Lutz, Charles, Akira Takagi, Ivo P. Janecka, and Isamu Sando. "Three-Dimensional Computer Reconstruction of a Temporal Bone." Otolaryngology–Head and Neck Surgery 101, no. 5 (1989): 522–26. http://dx.doi.org/10.1177/019459988910100502.

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The complexities of the temporal bone and the critical inter-relationships among its key structures can be simplified with three-dimensional computer-assisted reconstruction. Knowledge of the topography of these structures and their mutual relationships in essential in any surgical approach to the temporal bone. Sixty sagittal histologic sections of a normal left temporal bone were examined. Each section, 30 μm in thickness, was optically enlarged. Segments representing the facial nerve, internal carotid artery, and inner ear structures from individual slides were traced and data were entered

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Gupta, Tulika, Kanchan Kapoor, Balbir Singh, and Anju Huria. "PATTERNS OF ORBITOFACIAL AND ORBITAL GROWTH AT PRENATAL STAGE DERIVED FROM FETAL AUTOPSY STUDIES. Patrones de crecimiento órbito-facial y orbital en la etapa prenatal derivados de los estudios de autopsias fetales." Revista Argentina de Anatomía Clínica 3, no. 1 (2016): 49–56. http://dx.doi.org/10.31051/1852.8023.v3.n1.13913.

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Objetivo: Las mediciones orbitofaciales y orbitales del feto pueden ser útiles para el diagnóstico precoz prenatal de malformaciones craneofaciales. La mayoría de los estudios anteriores se basan en la ecografía y sólo hay unos cuantos estudios basados en autopsias fetales. El Análisis detallado de los distintos parámetros puede proporcionar una base de datos útil para una rápida referencia. Métodos: En cincuenta fetos normales de edades gestacionales diferentes, se midieron los siguientes parámetros: las distancias cantales externa e interna, la longitud de la hendidura palpebral, la longitud

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Evans, Sean S., Catherine Banks, Joshua Richman, Audie Woolley, Do Yeon Cho, and Bradford Woodworth. "Validation of the Maxillary Sinus Roof as a Landmark for Navigating the Pediatric Skull Base." Annals of Otology, Rhinology & Laryngology 129, no. 1 (2019): 12–17. http://dx.doi.org/10.1177/0003489419867967.

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Objective: To define a new anatomic relationship in pediatric sinus surgery, assessing the maxillary roof as a constant safe landmark to avoid skull base injury in the pediatric population. Study Design: Retrospective analysis. Setting: Tertiary care children hospital. Subjects and Methods: A retrospective analysis was performed of all computed tomography scans of the sinuses and facial bones at the emergency department of a tertiary children’s hospital over the course of a year. Radiographic measurements included the lowest cribriform plate and planum sphenoidale (PS) heights, or posterior sk

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Rahman, Md Anisur. "Incidence and evaluation of open bite malocclusion and their management." Bangladesh Journal of Orthodontics and Dentofacial Orthopedics 2, no. 2 (2013): 1–7. http://dx.doi.org/10.3329/bjodfo.v2i2.16156.

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Introduction: Open bite malocclusion is one of the most difficult dentofacial deformities to treat. Although this type of malocclusion can occur unilaterally or bilaterally in the buccal segments. It is mostly seen in the anterior segment where there is no incisal contact and vertical overlap of the lower incisors by the uppers. Objectives: The study was aimed to find out the incidence of open bite malocclusion and their pre and post treatment evaluation of the treated cases and also compare the result of two study groups (skeletal open bite and dental open bite). Methods: A total number of 31

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Rocha, Sara dos Santos, Dalton Luiz de Paula Ramos, and Marcelo de Gusmão Paraíso Cavalcanti. "Applicability of 3D-CT facial reconstruction for forensic individual identification." Pesquisa Odontológica Brasileira 17, no. 1 (2003): 24–28. http://dx.doi.org/10.1590/s1517-74912003000100005.

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Computed tomography (CT) is used in several clinical dentistry applications even by axial slices and two and three-dimensional reconstructed images (2D-CT and 3D-CT). The purpose of the current study is to assess the precision of linear measurements made in 3D-CT using craniometric patterns for individual identification in Forensic Dentistry. Five cadaver heads were submitted to a spiral computed tomography using axial slices, and 3D-CT reconstructions were obtained by volume rendering technique with computer graphics tools. Ten (10) craniometric measurements were determined in 3D-CT images by

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Battistoni, Giuditta, Diana Cassi, Marisabel Magnifico, et al. "Does Head Orientation Influence 3D Facial Imaging? A Study on Accuracy and Precision of Stereophotogrammetric Acquisition." International Journal of Environmental Research and Public Health 18, no. 8 (2021): 4276. http://dx.doi.org/10.3390/ijerph18084276.

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This study investigates the reliability and precision of anthropometric measurements collected from 3D images and acquired under different conditions of head rotation. Various sources of error were examined, and the equivalence between craniofacial data generated from alternative head positions was assessed. 3D captures of a mannequin head were obtained with a stereophotogrammetric system (Face Shape 3D MaxiLine). Image acquisition was performed with no rotations and with various pitch, roll, and yaw angulations. On 3D images, 14 linear distances were measured. Various indices were used to qua

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Jawalekar, Rashmi, Pushpa Hazare, Ranjit H. Kamble, and Vikrant V. Jadhav. "Correlation of Angle SNA to Angle NSAR in Normal Occlusion, Class II Division I and Class III Malocclusion in Vidarbha Region - A Cephalometric Study." Journal of Evolution of Medical and Dental Sciences 10, no. 32 (2021): 2543–47. http://dx.doi.org/10.14260/jemds/2021/522.

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BACKGROUND Facial prognathism may be because of prognathic maxilla, prognathic mandible or aggregate of both. Numerous studies performed to diagnose a single morphological feature commonly producing protrusive relationship, revealed that ‘a single morphological feature does not ordinarily produce a protrusive relationship. Existence of structural imbalance in one area also affects the nature of balance in other areas. A number of separate but inter-related cause and effect factors tend to augment each other in a cumulative and composite manner. Effect of marked discrepancy of an individual’s f

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Sofyanti, Ervina, Trelia Boel, Denny Satria, Zuriyah Fionita Ritonga, and Indah Hafniar Hasibuan. "Evaluation of dental arches in orthodontic patients with condylar hyperplasia in a North Sumatra subpopulation: a cross-sectional study." F1000Research 9 (April 16, 2020): 263. http://dx.doi.org/10.12688/f1000research.22780.1.

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Background: Condylar Hyperplasia (CH) is a self-limiting mandibular condyle disorder that shows asymmetry progress conjunction with associated occlusal changes as long as condylar growth is still active and leads to facial asymmetry. This study aimed to evaluate dental arches by analyzing dental arch asymmetry and form in orthodontic patients with CH in a North Sumatra subpopulation. Methods: This is a retrospective study of suspected CH patient’s clinical records who sought for the initial orthodontic treatment between January 2015 to March 2019. Patient with facial asymmetry (based on photog

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Sofyanti, Ervina, Trelia Boel, Denny Satria, Zuriyah Fionita Ritonga, and Indah Hafniar Hasibuan. "Evaluation of dental arches in orthodontic patients with condylar hyperplasia in a North Sumatra subpopulation: a cross-sectional study." F1000Research 9 (May 21, 2020): 263. http://dx.doi.org/10.12688/f1000research.22780.2.

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Background: Condylar Hyperplasia (CH) is a self-limiting mandibular condyle disorder that shows asymmetry progress conjunction with associated occlusal changes as long as condylar growth is still active and leads to facial asymmetry. This study aimed to evaluate dental arches by analyzing dental arch asymmetry and form in orthodontic patients with CH in a North Sumatra subpopulation. Methods: This is a retrospective study of suspected CH patient’s clinical records who sought for the initial orthodontic treatment between January 2015 to March 2019. Patient with facial asymmetry (based on photog

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Sofyanti, Ervina, Trelia Boel, Denny Satria, Zuriyah Fionita Ritonga, and Indah Hafniar Hasibuan. "Differences in dental arch characteristics between genders in patients with suspected condylar hyperplasia in a North Sumatra subpopulation: a cross-sectional study." F1000Research 9 (June 12, 2020): 263. http://dx.doi.org/10.12688/f1000research.22780.3.

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Background: Condylar Hyperplasia (CH) is a self-limiting mandibular condyle disorder that shows asymmetry progress in conjunction with associated occlusal changes as long as condylar growth is still active and leads to facial asymmetry. This study aimed to analysis the difference of dental arch characteristics based on genders in orthodontic patients with suspected CH in a North Sumatra subpopulation. Methods: This is a retrospective study of suspected CH patient’s clinical records who sought for the initial orthodontic treatment between January 2015 to March 2019. Patient with facial asymmetr

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Mermans, J. F., S. M. Ghasemi, B. I. Lissenberg-Witte, and J. P. W. Don Griot. "The Reproducibility of the Jaw Index in the Measurement of Healthy Newborns." Cleft Palate-Craniofacial Journal 57, no. 5 (2019): 574–80. http://dx.doi.org/10.1177/1055665619885726.

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Objective: Establish the reliability of the jaw index to objectify the relationship between the maxilla and mandible in healthy newborns. Design: Cohort study. Setting: Tertiary setting. Patients: A total of 52 healthy newborns were included to detect an inter and intraclass correlation coefficient (ICC) of 0.8 with a 95% confidence interval (95% CI) of width 0.3. Inclusion criteria were children born full term without respiratory or feeding problems, and without congenital malformations or facial deformities due to birth trauma. Uncooperative patients were excluded. Interventions: The jaw ind

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Kodikara, Iroshani, Dhanusha Gamege, Ganananda Nanayakkara, and Isurani Ilaperuma. "A novel approach for pre-surgical evaluation of facial morphometry in children using magnetic resonance imaging scans of the brain: A feasibility analysis." International Journal of Medical and Surgical Sciences, September 8, 2020, 55–68. http://dx.doi.org/10.32457//ijmss.v7i1.466.

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Pre-surgical evaluation of facial morphometry is frequently warranted for children with facial dysmorphism. Though many methods utilized previously for such purposes, data is scarce on using magnetic resonance (MRI) brain images for such purposes. The purpose of this study was to appraise the feasibility of utilizing MRI brain scans done in epilepsy imaging protocol to assess facial morphometry. Measurements of the face; orbit, mouth, and nose of children aged 1 to 7 years were obtained using T1 sagittal, T2 axial and three dimensional (3D) MRI images of the brain (n=20). Ability to obtain fac

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Matthews, Harold S., Richard L. Palmer, Gareth S. Baynam, et al. "Large-scale open-source three-dimensional growth curves for clinical facial assessment and objective description of facial dysmorphism." Scientific Reports 11, no. 1 (2021). http://dx.doi.org/10.1038/s41598-021-91465-z.

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AbstractCraniofacial dysmorphism is associated with thousands of genetic and environmental disorders. Delineation of salient facial characteristics can guide clinicians towards a correct clinical diagnosis and understanding the pathogenesis of the disorder. Abnormal facial shape might require craniofacial surgical intervention, with the restoration of normal shape an important surgical outcome. Facial anthropometric growth curves or standards of single inter-landmark measurements have traditionally supported assessments of normal and abnormal facial shape, for both clinical and research applic

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Kalambe, Chitralekha M. "Determination of proportional relationships between maxillary intercanine distance and various facial dimensions: A cross sectional study." International Journal of Ethics, Trauma & Victimology 2, no. 1 (2016). http://dx.doi.org/10.18099/ijetv.v2i1.11132.

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The study was conducted on 231 subjects (101 males and 130 females) ranged from 15 years to 69 years in age, with all natural upper anterior teeth present in mouth having no caries, severe attrition, erosion, fracture or restorations were selected. Intercanthal distance (ICthD), intermedialcanthal distance (IMCthD), interpupillary distance (IPD), interalar width (IAW ), inter lip commissural distance (ICmD) and maxillary Intercanine distance from tip to tip (ICD) were measured with a venire caliper with an accuracy of 0.01 mm. Obtained data was entered into Microsoft excel program and various

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Regragui, Anissa, Amal Bouziane, Najib Al Idrissi, Faiza Benfdil, and Nadia Merzouk. "Facial clues and vertical dimension of occlusion: Diagnostic study in a Moroccan population." Integrative Journal of Medical Sciences 7 (February 19, 2020). http://dx.doi.org/10.15342/ijms.7.126.

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Goal of the study : To detect the prevalence, association and correlation that may exist between the vertical dimension of occlusion and certain facial clues in a toothed population in search of a simplified method for the determination of DVO in complete edentulous people.Introduction : The methods for recording the vertical dimension of occlusion, rest or phonetic vertical are very numerous, attesting to the absence of a universal scientific method for its determination. The aesthetic criterion of respecting morphological proportions constitutes for many authors a preferential reference guid

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Ji, Chunya, Xiaoli Jiang, Linliang Yin, et al. "Ultrasonographic study of fetal facial profile markers during the first trimester." BMC Pregnancy and Childbirth 21, no. 1 (2021). http://dx.doi.org/10.1186/s12884-021-03813-6.

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Abstract Background To establish reference ranges of fetal facial profile markers and study their correlations with crown-rump length (CRL) during the first trimester (11 ~ 13+ 6 weeks’ gestation) in a Chinese population. Methods Ultrasonographic images of measuring fetal nuchal translucency (NT) were retrospectively selected randomly in normal fetuses whose parents were both Chinese. The facial markers included inferior facial angle (IFA), maxilla-nasion-mandible (MNM) angle, facial maxillary angle (FMA) and profile line (PL) distance. These markers were measured through ViewPoint 6 software

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Heinzl, A., T. Schüler, GF Volk, and O. Guntinas-Lichius. "Static and dynamic sonography of facial muscles in healthy subjects – Intra-observer and inter-observer reliability in dependence of time interval between measurements." Ultraschall in der Medizin - European Journal of Ultrasound 37, S 01 (2016). http://dx.doi.org/10.1055/s-0036-1587891.

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Baksi, Sanjana, Simon Freezer, Takeshi Matsumoto, and Craig Dreyer. "Accuracy of an automated method of 3D soft tissue landmark detection." European Journal of Orthodontics, December 26, 2020. http://dx.doi.org/10.1093/ejo/cjaa069.

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Summary Introduction Due to technological advances, the quantification of facial form can now be done via three-dimensional (3D) photographic systems such as stereophotogrammetry. To enable comparison with traditional cephalometry, soft-tissue anatomical landmark definitions have been modified to incorporate the third dimension. Annotating these landmarks manually, however, is still a time-consuming and arduous process. Objective To develop an automated algorithm to accurately identify anatomical landmarks on three-dimensional soft tissue images. Methods Thirty 3dMD images were selected from a

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Paddenberg, Eva, Peter Proff, and Christian Kirschneck. "Floating norms for individualising the ANB angle and the WITS appraisal in orthodontic cephalometric analysis based on guiding variables." Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie, July 13, 2021. http://dx.doi.org/10.1007/s00056-021-00322-1.

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Abstract Purpose The sagittal skeletal relationship of maxilla and mandible (skeletal class) can generally be determined via lateral cephalograms (ANB angle or Wits appraisal) by comparing measurements to empirical norms based on the respective population mean. However, values differing from these empirical norms also enable a therapeutically desired, normal class I occlusion depending on individual craniofacial pattern, thus requiring floating norms based on guiding variables. As available regression equations consider only few predictor variables and are not up-to-date regarding a contempora

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Deo, S. P., and P. Shetty. "Effect of Submucosal Injection of Dexamethasone on Post-operative Sequelae of Third Molar Surgery." Journal of Nepal Medical Association 51, no. 182 (2011). http://dx.doi.org/10.31729/jnma.247.

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Introduction: This study was carried out to evaluate the effects of a single pre-operative sub-mucosal injection of dexamethasone after third molar surgery to see the effects on post-operative discomfort.  Methods: This study was a prospective, double-blind, randomized, clinical trial. The subjects were forty patients who underwent surgical removal of the mandibular impacted third molar under local anesthesia and after being randomly assigned to receive either an 8 mg dexamethasone as submucosal injection or a normal saline injection into the lower buccal vestibule adjacent to the third

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Paoloni, V., F. C. De Razza, L. Franchi, and P. Cozza. "Stability prediction of early orthopedic treatment in Class III malocclusion: morphologic discriminant analysis." Progress in Orthodontics 22, no. 1 (2021). http://dx.doi.org/10.1186/s40510-021-00379-z.

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Abstract Background To evaluate morphologic differences between class III malocclusion success and failure treatment subjects in order to identify which variables are more predictive for long-term stability in early orthopedic treatment. In this retrospective study, 31 patients were enrolled from the Department of Orthodontics (Rome Tor Vergata). Inclusion criteria were as follows: white ancestry, class III malocclusion, mixed dentition, cervical stage (CS) 1-2, no pseudo-class III. Pre-treatment radiographic and cast records were collected. Each patient underwent rapid maxillary expansion/fac

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Gibelli, Daniele, Andrea Palamenghi, Pasquale Poppa, Chiarella Sforza, Cristina Cattaneo, and Danilo De Angelis. "Improving 3D-3D facial registration methods: potential role of three-dimensional models in personal identification of the living." International Journal of Legal Medicine, July 9, 2021. http://dx.doi.org/10.1007/s00414-021-02655-3.

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AbstractPersonal identification of the living from video surveillance systems usually involves 2D images. However, the potentiality of three-dimensional facial models in gaining personal identification through 3D-3D comparison still needs to be verified. This study aims at testing the reliability of a protocol for 3D-3D registration of facial models, potentially useful for personal identification. Fifty male subjects aged between 18 and 45 years were randomly chosen from a database of 3D facial models acquired through stereophotogrammetry. For each subject, two acquisitions were available; the

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Cohen, Alex S., Elana Schwartz, Thanh P. Le, et al. "Digital phenotyping of negative symptoms: the relationship to clinician ratings." Schizophrenia Bulletin, May 29, 2020. http://dx.doi.org/10.1093/schbul/sbaa065.

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Abstract Negative symptoms are a critical, but poorly understood, aspect of schizophrenia. Measurement of negative symptoms primarily relies on clinician ratings, an endeavor with established reliability and validity. There have been increasing attempts to digitally phenotype negative symptoms using objective biobehavioral technologies, eg, using computerized analysis of vocal, speech, facial, hand and other behaviors. Surprisingly, biobehavioral technologies and clinician ratings are only modestly inter-related, and findings from individual studies often do not replicate or are counterintuiti

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