A5008923073- Dental materials and restorations
- Dental Implant Techniques and Outcomes
- Dental Research and COVID-19
- Dental Radiography and Imaging
- Endodontics and Root Canal Treatments
- Laser Applications in Dentistry and Medicine
- Orthodontics and Dentofacial Orthopedics
- Dental Erosion and Treatment
- Temporomandibular Joint Disorders
- Digital Imaging in Medicine
- Anatomy and Medical Technology
- Dental Anxiety and Anesthesia Techniques
- Additive Manufacturing and 3D Printing Technologies
- Surgical Sutures and Adhesives
- Periodontal Regeneration and Treatments
- Mercury impact and mitigation studies
- Facial Nerve Paralysis Treatment and Research
- Trigeminal Neuralgia and Treatments
- Heavy Metal Exposure and Toxicity
- AI in cancer detection
- Hearing Loss and Rehabilitation
- dental development and anomalies
- Engineering Technology and Methodologies
- Hearing, Cochlea, Tinnitus, Genetics
- 3D Shape Modeling and Analysis
University of Zurich
2014-2023
Weatherford College
2016
Center for Pediatric Endocrinology Zurich
2012
Ludwig-Maximilians-Universität München
1997-2009
University Hospital Carl Gustav Carus
2006
Friedrich-Alexander-Universität Erlangen-Nürnberg
2006
Bioscience Research
2006
Charité - Universitätsmedizin Berlin
2006
University Hospital of Zurich
2006
University of Münster
2003
The digital intraoral impression has become a central part of the CAD/CAM technique. objective present study was to compare accuracy (trueness and precision) impressions full arch with that conventional on in-vitro model. For this purpose, master model acquired new reference scanning process, measuring trueness which +/- 4.1 microm precision 2.5 microm. On one hand, then plaster models (n = 5) were produced from model, other made Cerec AC Bluecam Lava COS system (each n 5). also scanned...
To investigate the accuracy of conventional and digital impression methods used to obtain full-arch impressions by using an in-vitro reference model.Eight different (polyether, POE; vinylsiloxanether, VSE; direct scannable VSES; irreversible hydrocolloid, ALG) (CEREC Bluecam, CER; CEREC Omnicam, OC; Cadent iTero, ITE; Lava COS, LAV) were obtained from a model with known morphology, highly accurate scanner. The then compared original geometry within each test group.A point-to-point...
This document is a supplement to the recommendations in year 2007 position statement of Joint Committee on Infant Hearing (JCIH)1 and provides comprehensive guidelines for early hearing detection intervention (EHDI) programs establishing strong (EI) systems with appropriate expertise meet needs children who are deaf or hard (D/HH).EI services represent purpose goal entire EHDI process. Screening confirmation that child D/HH largely meaningless without appropriate, individualized, targeted...
OBJECTIVE Intraoral scanners (IOSs) are widely used for obtaining digital dental models directly from the patient. Additionally, improvements in IOSs made generation to generation. The aim of this study was evaluate accuracy new and actual IOS devices complete- partial-arch impressions an vitro setup. MATERIALS AND METHODS A custom maxillary complete-arch cast with teeth feldspar ceramic material as reference digitized a scanner (ATOS III Triple Scan MV60). One conventional impression...
For the clinical performance of new dental restorative materials to be accurately assessed, three-dimensional anatomical changes functional surfaces restoration must elucidated over time. To this end, a highly accurate 3-D optical scanner has been developed that utilizes principles triangulation and reference-free automated superimposition software. The aim study was assess accuracy precision system with without referenced positioning. Additionally, ability determine wear posterior fillings...
The digital intraoral impression is a central part in today's CAD/CAM dentistry. With its possibilities, new treatment options for the patient provided and prosthetic workflow accelerated. Nowadays, major issue with scanning systems to gain more accuracy especially larger scan areas simplify clinical handling dentist. aim of this study was investigate different strategies regardingtheir full arch scans an in-vitro design. A reference master model used impressions Lava COS, Cerec Bluecam...
Surveying intraoral structures by optical means has reached the stage where it is being discussed as a serious clinical alternative to conventional impression taking. Ease of handling and, more importantly, accuracy are important criteria for suitability these systems. This article presents new camera Cerec procedure. It reports on study investigating this and its potential indications. Single-tooth quadrant images were taken with results compared those obtained reference scanner previous 3D...
General information about a class of objects, such as human faces or teeth, can help to solve the otherwise ill-posed problem reconstructing complete surface from sparse 3D feature points 2D projections points. We present technique that uses vector space representation shape (3D morphable model) infer missing vertex coordinates. Regularization derived statistical approach makes system stable and robust with respect noise by computing optimal tradeoff between fitting quality plausibility....
This study assessed defect depth and volume resulting from root instrumentation using a piezoelectric ultrasonic scaler with slim scaling tip in vitro. Combinations of the following working parameters were analyzed: lateral forces 0.5 N, 1 2 N; angulations 0 degrees, 45 90 degrees; power settings low, medium high; time 10 s, 20 40 80 s. Defects quantified 3D optical laser scanner. Overall, force had greatest influence on compared to instrument setting angulation (beta-weights 0.49 +/- 0.04,...