Reproducibility and reliability of three-dimensional soft tissue landmark identification using three-dimensional stereophotogrammetry. A Baysal, AO Sahan, MA Ozturk, T Uysal.

3dMD Customer Research, Dental, Medical, 3dMDface, Craniofacial/Cleft, Oral and Maxillofacial, Orthodontics, Orthognathic, Plastics, 3dMDface System

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…

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.

3dMD Customer Research, Dental, Medical, 3dMDface, 3dMDhead, Oral and Maxillofacial, Orthodontics, Orthognathic, 3dMD Systems, 3dMDface System, 3dMDhead System

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:…

Preliminary clinic study on computer assisted mandibular reconstruction: the positive role of surgical navigation technique. JW Huang, XF Shan, XG Lu, ZG Cai.

3dMD Customer Research, Dental, Medical, 3dMDface, Oral and Maxillofacial, Orthognathic, Plastics, 3dMDface System

Date: July 2015. Source: Maxillofacial Plastic and Reconstructive Surgery 2015, 37:20. Background: The objectives of the present study were to investigate the reliability and outcomes of computer-assisted techniques in mandibular reconstruction with a fibula flap and verify whether the surgical navigation system was feasible in mandible reconstructive surgery. Methods: Eight cases were enrolled in the…

Craniofacial Image Analysis. E Mercan, I Atmosukarto, J Wu, S Liang, LG Shapiro.

3dMD Customer Research, Biometric Security, Computer Science | Computer Vision, Dental, Genetics, Human Factors | Anthropometric, Medical, 3dMDface, 3dMDhead, 3dMD News, Anthropometric, Computer Science, Facial Recognition, Morphometrics, Craniofacial/Cleft, Oral and Maxillofacial, Orthodontics, Orthognathic, Plastics, 3dMDface System, 3dMDhead System, News

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…

Reducing cone beam CT scan height as a method of radiation reduction for photorealistic three-dimensional orthognathic planning. C Lin, TC Hsung, B Khambay.

3dMD Customer Research, Dental, Medical, 3dMDface, Multimodal (CT/CBCT), Oral and Maxillofacial, Orthognathic, Plastics, 3dMDface System

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…

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.

3dMD Customer Research, Dental, Medical, 3dMDface, Multimodal (CT/CBCT), Oral and Maxillofacial, Orthodontics, Orthognathic, Plastics, 3dMDface System

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.…

A Solution to Face-to-Face Contact in Tele-Presence Systems. X Zhou, P Boulanger.

3dMD Customer Research, Dental, Genetics, Medical, 3dMDface, Computer Science, Craniofacial/Cleft, Oral and Maxillofacial, Orthodontics, Orthognathic, Plastics, Prosthetics, 3dMDface System

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…

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.

3dMD Customer Research, Dental, Medical, 3dMDface, 3dMDhead, Craniofacial/Cleft, Multimodal (CT/CBCT), Oral and Maxillofacial, Orthodontics, Orthognathic, Otolaryngology, Plastics, 3dMDface System, 3dMDhead System

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…

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.

3dMD Customer Research, Dental, Medical, 3dMDface, Craniofacial/Cleft, Oral and Maxillofacial, Orthodontics, Orthognathic, Plastics, 3dMDface System

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…

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.

3dMD Customer Research, Dental, Genetics, Medical, 3dMDface, Craniofacial/Cleft, Multimodal (CT/CBCT), Oral and Maxillofacial, Orthodontics, Orthognathic, Plastics, 3dMDface System

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…