There is variability in our perception of the standard head orientation. GN Hughes, J Gateño, JD English, JF Teichgraeber, JJ Xia.
Date: May 2017 (On-line). Source: International Journal of Oral and Maxillofacial Surgery. Abstract: The purposes of this study were to determine: (1) whether an observer’s perception of the correct anatomical alignment of the head changes with time, and (2) whether different observers agree on the correct anatomical alignment. To determine whether the perception of the […]Read More
Correlation between the incisors axis inclination and the exposure of the vermilion. E Candida, S Summa, I D’Apolito, C Strappa, R Deli.
Date: April 2017. Source: XXIV Congresso Nazionale Collegio dei Docenti Universitari di Discipline Odontostomatologiche, Milano, Italy. Objective: the enhancement of the lips through cosmetic techniques is a popular procedure. In literature there are not many studies which demonstrate all the aspects that influence this area which is so important for patients. Orthodontic biomechanics related to […]Read More
A new method for three-dimensional evaluation of the cranial shape and the automatic identification of craniosynostosis using 3D stereophotogrammetry. JW Meulstee1, LM Verhamme, WA Borstlap, F Van der Heijden, GA De Jong, T Xi, SJ Bergé, H Delye, TJJ Maal.
Date: April 2017 (Online). Source: International Journal of Oral and Maxillofacial Surgery. Abstract: Craniosynostosis is a congenital defect which can result in abnormal cranial morphology. Three dimensional (3D) stereophotogrammetry is potentially an ideal technique for the evaluation of cranial morphology and diagnosis of craniosynostosis because it is fast and harmless. This study presents a new […]Read More
Comprehensive treatment approach for condylar hyperplasia and mandibular crowding with custom lingual braces and 2-jaw surgery. PG Kyteas, WS McKenzie, PD Waite, CH Kau.
Date: January 2017 Source: American Journal of Orthodontics and Dentofacial Orthopedics, Volume 151, Issue 1, PP 174–185. Highlights: • A woman had progressive condylar hyperplasia from age 3 years. • Three-dimensional diagnosis and treatment plan were conducted. • A self-ligating lingual brace system were used. • Three-dimensional surgery was performed and splints placed to correct […]Read More
Three Basic Steps for Applying Digital Images to Oral and Facial Surgery. M ZAWARTKA, J WANG, B ZHENG
Date: December 2016. Source: The Chinese Journal of Dental Research, Volume 19, Number 4, pp185-189. Abstract: In this paper, the authors discuss three basic steps related to the application of digital technology to reconstructive oral and maxillofacial surgery (OMFS), in an effort to improve surgical outcomes. These steps include acquiring digital images, processing images in […]Read More
Evaluation of therapeutic effect of virtual design for correcting facial asymmetry of skeletal Class III deformity. KY Tian, QQ Li, XJLiu, XX Wang, ZL Li, XX Wang.
Date: October 2016. Source: Zhonghua Kou Qiang Yi Xue Za Zhi (Chinese Journal of Stomatology) 51(10):594-599. Objective: To establish a computer-aided surgical simulation procedure based on the natural head position(NHP) for orthognathic surgery and to access the effect for correcting facial asymmetry for skeletal Class Ⅲ deformity. Methods: Thirty-five patients(male: 14 and female: 21, mean […]Read More
Orbital Reconstruction: Patient-Specific Orbital Floor Reconstruction Using a Mirroring Technique and a Customized Titanium Mesh. A Tarsitano, G Badiali, A Pizzigallo, C Marchetti.
Date: October 2016. Source: Journal of Craniofacial Surgery, Volume 27, Issue 7, p 1822–1825. Objective: Enophthalmos is a severe complication of primary reconstruction of orbital floor fractures. The goal of secondary reconstruction procedures is to restore symmetrical globe positions to recover function and aesthetics. The authors propose a new method of orbital floor reconstruction using […]Read More
Novel Three-Dimensional Understanding of Maxillary Cleft Distraction. SM Vaughan, CH Kau, PD Waite.
Date: September 2016. Source: Journal of Craniofacial Surgery: Volume 27 – Issue 6 – p 1462–1464. Objective: To set forth a universal standard methodology for quantifying volumetric and linear changes in the craniofacial complex, utilizing three-dimensional data captured from a cleft-lip palate patient who underwent rigid external device (RED) distraction. Methods: Cone beam computed tomography […]Read More
Multimodal Image Registration for Mandible Motion Tracking. AA Tomaka, M Tarnawski, D Pojda.
Date: May 2016 Source: Information Technologies in Medicine, Volume 471 of the series Advances in Intelligent Systems and Computing pp 179-191. Abstract: The analysis of the condyle position in temporomandibular joint is crucial issue in differential diagnosis of bruxism and centric relation/maximal intercuspidation discrepancy or other temporomandibular joint disorders. The matter of importance are both […]Read More
Evaluation of Soft Tissue Profile Change Following Bi-maxillary Surgery in Dento-skeletal Class III by Photogrammetric Analysis. A Torroni, G Gasparini, A Moro, G Saponaro, E Foresta, P De Angelis, D Cervelli, C Azzuni, R Boniello, L Pallottini, A Borelli, G Jafari, S Pelo, R Deli, and G Longo.
Date: April 2016 Source: British Journal of Medicine & Medical Research 15(2): 1-11, Article no. BJMMR.25350. Abstract: 3D analysis allows for simulation of orthognathic surgery and prediction of aesthetic and functional outcomes. Our study aims to find common and repeatable parameters on the behaviour of soft tissues following bone movement by pre- and post-treatment by […]Read More
Validation of the Alberta Pediatric Obstructive Sleep Apnea (APOSA) Index for Orthodontic Treatment Need in Pediatric Patients with Obstructive Sleep Apnea Symptoms.
Date: April 2016. Source: PhD Thesis. Medical Sciences, Orthodontics, University of Alberta. Objective: To determine the predictive ability of the Alberta Pediatric Obstructive Sleep Apnea (APOSA) Index for orthodontic treatment need in pediatric patients with obstructive sleep apnea symptoms. Methods: Thirty orthodontic records, representing a spectrum of craniofacial and oral features and severity, were evaluated […]Read More
Measuring Symmetry in Children With Unrepaired Cleft Lip: Defining a Standard for the Three-Dimensional Mid-facial Reference Plane. J Wu, C Heike, C Birgfeld, K Evans, M Maga, C Morrison, B Saltzman, L Shapiro, R Tse.
Date: March 2016 (Online ahead of print) Source: The Cleft Palate-Craniofacial Journal. Objective: Quantitative measures of facial form to evaluate treatment outcomes for cleft lip (CL) are currently limited. Computer-based analysis of three-dimensional (3D) images provides an opportunity for efficient and objective analysis. The purpose of this study was to define a computer-based standard of […]Read More
Facial soft-tissue changes after rapid maxillary expansion analyzed with 3-dimensional stereophotogrammetry: A randomized, controlled clinical trial. A Baysal, MA Ozturk, AO Sahan, T Uysal.
Date: February 2016 (ONLINE AHEAD OF PRINT). Source: Angle Orthodontist Objective: To evaluate three-dimensional (3D) soft tissue facial changes following rapid maxillary expansion (RME) and to compare these changes with an untreated control group. Materials and Methods: Patients who need RME as a part of their orthodontic treatment were randomly divided into two groups of […]Read More
Reproducibility and reliability of three-dimensional soft tissue landmark identification using three-dimensional stereophotogrammetry. A Baysal, AO Sahan, MA Ozturk, T Uysal.
Date: February 2016 (ONLINE AHEAD OF PRINT). Source: Angle Orthodontist Objective: To evaluate the intraexaminer repeatability and interexaminer reproducibility of soft tissue landmarks on three-dimensional (3D) stereophogrammetric images. Materials and Methods: Thirty-four stereophotogrammetric images were taken and 19 soft tissue points were identified. The images were obtained using the 3dMDface (3dMD, Atlanta, USA) system. Two […]Read More
Does powdering of the dentition increase the accuracy of fusing 3D stereophotographs and digital dental casts. FA Rangel, YT Chiu, TJJ Maal, EM Bronkhorst, SJ Bergé, AM Kuijpers-Jagtman.
Date: January 2016 (Online) Source: The European Journal of Orthodontics. Objective: The shiny vestibular surfaces of teeth make it difficult to match digital dental casts to 3D stereophotogrammetric images of patient teeth. This study tested whether reducing this shininess by coating the teeth with titanium-oxide powder might improve the accuracy of the matching procedure. Methods: […]Read More
Craniofacial Image Analysis. E Mercan, I Atmosukarto, J Wu, S Liang, LG Shapiro.
Date: July 2015. Source: Health Monitoring and Personalized Feedback using Multimedia Data. Springer. Abstract: Craniofacial researchers have used anthropometric measurements taken directly on the human face for research and medical practice for decades. With the advancements in 3D imaging technologies, computational methods have been developed for the diagnoses of craniofacial syndromes and the analysis of […]Read More
Reducing cone beam CT scan height as a method of radiation reduction for photorealistic three-dimensional orthognathic planning. C Lin, TC Hsung, B Khambay.
Date: July 2015. Source: Journal of Cranio-Maxillofacial Surgery, 43(6):907-12. Objectives: To determine the superimposition accuracy of full-face stereophotographic images with 22 cm and 13 cm cone beam computed tomography (CBCT) scans. Material and methods: 22 cm CBCT scans and corresponding stereophotographic images (3dMD) for 30 subjects requiring orthognathic surgery were randomly selected. A 13 cm […]Read More
Recording and Transferring Head Positions to the Virtual Head Using a Multicamera System and Laser Level. KY Tian, ZL Xue, XJ Liu, X Wang, Z Li.
Date: June 2015. Source: Journal of Oral & Maxillofacial Surgery. Purpose: To fulfill the requirements of computer-aided orthognathic surgery, we developed a method of recording head positions in pitch and roll, and tested its accuracy and reliability. Materials and Methods: A laser level was used to project a horizontal laser line onto a volunteer’s face. […]Read More
A Solution to Face-to-Face Contact in Tele-Presence Systems. X Zhou, P Boulanger.
Date: June 2015 Source: 2015 12th Conference on Computer and Robot Vision (CRV) Proceedings (p 230 – 236), Halifax, Canada. Abstract: In tele-presence systems, direct face-to-face contact, is essential for emotional communication as it carries non-verbal clues. In commercial products, face-to-face contact is approximated by using either a large semi-transparent mirror to project an image […]Read More
Cephalometric analysis and long-term outcomes of orthognathic surgical treatment for obstructive sleep apnoea. ED Ubaldo, GM Greenlee, J Moore, E Sommers, and AM Bollen.
Date: June 2015. Source: The International Journal of Oral and Maxillofacial Surgery, 44(6):752-9. Abstract: The aim of this study was to describe skeletal and posterior airway changes after orthodontic treatment and surgical jaw advancement, and to evaluate whether there is a correlation between increasing advancement and a long-term reduction in obstructive sleep apnoea (OSA). Lateral […]Read More
Comparison of three surgical techniques for controlling nasal width after Le Fort I osteotomy. ZQ Wang, XX Wang, ZL Li, B Yi, C Liang, X Wang.
Date: March 2015. Source: Beijing Da Xue Xue Bao (Journal of Peking University, Health Sciences), 47(1):104-108. OBJECTIVE: To identify nasal width changes occurring after Le Fort I osteotomy and to compare prospectively the effect of three surgical techniques for controlling postoperative nasal width. METHODS: In the study, 79 patients (22 male and 57 female, mean […]Read More
Monobloc Le Fort III Distraction Osteogenesis for Correction of Severe Fronto-orbital and Midface Hypoplasia in Pediatric Crouzon Syndrome. F Hariri, LK Cheung, ZA Rahman, V Mathaneswaran, D Ganesan.
Date: February 2015. Source: The Cleft Palate-Craniofacial Journal. Abstract: In severe syndromic craniosynostosis, distraction osteogenesis (DO) provides superior segmental advancement and allows progressive clinical monitoring to ensure that adequate skeletal expansion is achieved. We report two cases of Crouzon syndrome involving a 3-year-old boy and a 4-year-old girl, who were both treated with monobloc Le […]Read More
Three-dimensional changes in nose and upper lip volume after orthognathic surgery. B van Loon, N van Heerbeek, F Bierenbroodspot, L Verhamme, T Xi, MJJ de Koning, KJAO Ingels, SJ Bergé, TJJ Maal.
Date: January 2015 Source: International Journal of Oral and Maxillofacial Surgery, 44(1):83-9. Abstract: Orthognathic surgery aims to improve both the function and facial appearance of the patient. Translation of the maxillomandibular complex for correction of malocclusion is always followed by changes to the covering soft tissues, especially the nose and lips. The purpose of this study […]Read More
Nasal changes after orthognathic surgery for patients with prognathism and Class III malocclusion: Analysis using three-dimensional photogrammetry. S Worasakwutiphong; YF Chuang; HW Chang; HH Lin; PJ Lin; LJ Lo.
Date: December 2014. Source: Journal of the Formosan Medical Association. Background/Purpose. Orthognathic surgery alters the position of maxilla and mandible, and consequently changes the nasal shape. The nasal change remains a concern to Asian patients. The aim of this study was to measure the nasal changes using a novel three-dimensional photographic imaging method. Methods. A […]Read More
Recording of Natural Head Position Using Stereophotogrammetry: A New Technique and Reliability Study. TC Hsung, J Lo, TS Li, LK Cheung.
Date: November 2014 Source: Journal of Oral and Maxillofacial Surgery, 72(11): 2256-61. Abstract: The purpose of this study was to develop a technique to record physical references and orient digital mesh models to a natural head position using stereophotogrammetry (SP). The first step was to record the digital mesh model of a hanging reference board […]Read More
The validity of 3dMDvultus in predicting soft tissue morphology following orthognathic surgery. Rehan Ullah.
Date: July 2014. Source: British Association of Oral Maxillofacial Surgeons (BAOMS) Meeting 2014, Edinburgh, United Kingdom. Presentation: The validity of 3dMDvultus in predicting soft tissue morphology following orthognathic surgery. Presenter: Rehan Ullah.Read More
One year postoperative hard and soft tissue volumetric changes after a BSSO mandibular advancement. TJJ Maal, MJJ de Koning, JM Plooij, LM Verhamme, FA Rangel, SJ Bergé, WA Borstlap.
Date: May 2012 Source: International Journal of Oral and Maxillofacial Surgery; Volume 41(9), pp 1137-45. Abstract: In this study, cone beam computed tomography (CBCT) and three dimensional (3D) stereophotogrammetry are used to compare the 3D skeletal and soft tissue changes caused by a bilateral sagittal split osteotomy (BSSO) 1 year after a mandibular advancement. Eighteen […]Read More
BBC News: 3D face scan to help future surgery.
Date: 17 January 2012. Source: BBC News: http://www.bbc.co.uk/news/science-environment-16588956 Article: 3D face scan to help future surgery. Visitors to London’s Science Museum are being invited to have their faces scanned in 3D. The ‘Me in 3D’ exhibit uses an array of cameras to build a virtual image visitors can then view and manipulate. Data from the […]Read More
See yourself in 3D at the London Science Museum
LONDON (3 January 2012) – How are our faces constructed? How does your face differ from other faces? What do you look like in another dimension? These questions will be explored in Me in 3D – a new event running from 11 January until 10 April, where visitors can volunteer to have their photograph taken […]Read More
Maxillary, mandibular, and chin advancement: treatment planning based on airway anatomy in obstructive sleep apnea. SA Schendel, N Powell, R Jacobson.
Date: March 2011 Source: Journal of Oral Maxillofacial Surgery, 69(3): 663-76. Abstract: Surgical correction of obstructive sleep apnea (OSA) syndrome involves understanding a number of parameters, of which the 3-dimensional airway anatomy is important. Visualization of the upper airway based on cone beam computed tomography scans and automated computer analysis is an aid in understanding […]Read More