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CAD/CAM in prosthodontic

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https://www.readbyqxmd.com/read/29508487/wear-characteristics-and-volume-loss-of-cad-cam-ceramic-materials
#1
Alec D Zurek, Maria F Alfaro, Alvin G Wee, Judy Chia-Chun Yuan, Valentim A Barao, Mathew T Mathew, Cortino Sukotjo
PURPOSE: In the field of prosthodontics, patients often require complex and extensive restorative care. This can involve the use of dental restorations to restore teeth on both the maxillary and mandibular arch. Current literature has evaluated the wear properties of different dental ceramics against enamel, but studies regarding dental ceramics opposing one another are limited. The purpose of this study was to assess the wear potential and wear behavior of CAD/CAM zirconia (ZR) and lithium disilicate (LD) materials against a similar ceramic material, and how the surface finish of these dental ceramics might affect patterns of wear...
March 6, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29316569/prospective-evaluation-of-posterior-fixed-zirconia-dental-prostheses-10-year-clinical-results
#2
Sven Rinke, Jens Wehle, Xenia Schulz, Ralf Bürgers, Matthias Rödiger
PURPOSE: To investigate the clinical survival and success rates of conventionally luted three- and four-unit fixed dental prostheses (FDPs) with zirconia frameworks (Cercon Smart Ceramics, DeguDent) after a mean observation period of 119 ± 36 months. MATERIALS AND METHODS: A total of 75 patients were treated in the Department of Prosthodontics at the University of Goettingen, Germany, and a total of 99 posterior FDPs were inserted and luted with zinc phosphate cement...
January 2018: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29178722/case-specific-finite-element-analysis-of-dental-cad-cam-prostheses-to-identify-design-flaws-prior-to-manufacture
#3
Davide Apicella, Tim Joda, Gianni Bonadeo, Roberto Sorrentino, Marco Ferrari
PURPOSE: To apply a design optimization strategy to dental prostheses machining to verify whether this approach can detect flaws occurring in the CAD process and to estimate the influence of the type of material on the occurrence of fractures in restorations. METHODS: The stereo lithography interface format of a 4-unit (from canine to first molar) fixed dental prosthesis designed by a conventional dental CAD process was converted into a Finite Element Analysis (FEA) model...
December 2016: American Journal of Dentistry
https://www.readbyqxmd.com/read/29150132/prosthodontic-rehabilitation-with-monolithic-multichromatic-cad-cam-complete-overdentures-in-an-adolescent-patient-with-ectodermal-dysplasia-a-clinical-report
#4
Hussain D Alsayed, Nasser M Alqahtani, Yasmin M Alzayer, Dean Morton, John A Levon, Nadim Z Baba
Ectodermal dysplasia is a rare, hereditary, congenital disease that affects the normal development of certain tissues and structures of ectodermal origin. The disease is manifested to different degrees of severity and may involve the nose, eyes, hair, nails, sweat glands, and enamel. This report describes a 14-year-old boy with ectodermal dysplasia, rehabilitated with monolithic, multichromatic maxillary and mandibular computer-aided design and computer-aided manufacturing (CAD-CAM) acrylic resin complete overdentures...
November 15, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29131460/pilot-study-on-the-effectiveness-and-students-attitude-towards-undergraduate-training-provided-by-industry
#5
M Karl, M Franz, T Grobecker-Karl, M Scheib
INTRODUCTION: Rapid developments in CAD/CAM technology necessitate the adaptation of curriculum content. Limited resources hinder institutions in holding state of the art equipment available for student training. MATERIALS AND METHODS: A workshop given by an industry partner was organised as part of the final pre-clinical course in prosthodontics for the academic years 2015 and 2016. The workshop on dental ceramics and CAD/CAM technology comprised of lectures and practical demonstrations...
November 13, 2017: European Journal of Dental Education: Official Journal of the Association for Dental Education in Europe
https://www.readbyqxmd.com/read/29104691/complete-dentures-fabricated-with-cad-cam-technology-and-a-traditional-clinical-recording-method
#6
Nadica Janeva, Gordana Kovacevska, Edvard Janev
The introduction of computer-aided design/computer-aided manufacturing (CAD/CAM) technology into complete denture (CD) fabrication ushered in a new era in removable prosthodontics. Commercially available CAD/CAM denture systems are expected to improve upon the disadvantages associated with conventional fabrication. The purpose of this report is to present the workflow involved in fabricating a CD with a traditional clinical recording method and CAD/CAM technology and to summarize the advantages to the dental practitioner and the patient...
October 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29023614/virtual-simulation-of-periodontal-surgery-including-presurgical-cad-cam-fabrication-of-tooth-colored-removable-splints-on-the-basis-of-cbct-data-a-case-report
#7
Jan-Frederik Güth, Ana Elisa Colle Kauling, Josef Schweiger, Jan Kühnisch, Michael Stimmelmayr
Innovative digital diagnostic, design, and manufacturing technologies combined with high-performance polymers offer new possibilities to facilitate complex interdisciplinary treatment procedures. This article reports on the interaction of different digital technologies, from presurgical digital simulation of periodontal surgery to final prosthodontic rehabilitation, in a case of amelogenesis imperfecta in a 17-year-old girl. The aim was to digitally determine the treatment outcome by three-dimensional simulation of the soft tissue removal and to create computer-aided design/computer-assisted manufacture tooth-colored splints before the clinical treatment...
November 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28927393/the-complete-digital-workflow-in-fixed-prosthodontics-a-systematic-review
#8
Tim Joda, Fernando Zarone, Marco Ferrari
BACKGROUND: The continuous development in dental processing ensures new opportunities in the field of fixed prosthodontics in a complete virtual environment without any physical model situations. The aim was to compare fully digitalized workflows to conventional and/or mixed analog-digital workflows for the treatment with tooth-borne or implant-supported fixed reconstructions. METHODS: A PICO strategy was executed using an electronic (MEDLINE, EMBASE, Google Scholar) plus manual search up to 2016-09-16 focusing on RCTs investigating complete digital workflows in fixed prosthodontics with regard to economics or esthetics or patient-centered outcomes with or without follow-up or survival/success rate analysis as well as complication assessment of at least 1 year under function...
September 19, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28865133/prosthodontic-rehabilitation-of-an-ectodermal-dysplasia-patient-with-implant-telescopic-crown-attachments
#9
Hussain D Alsayed, Nasser M Alqahtani, John A Levon, Dean Morton
Telescopic crown attachments have been successfully used in completely and partially edentulous patients. This type of attachment provides retention, support, and stability with optimal hygiene for the removable dental prosthesis (RDP). With the emergence of CAD/CAM technology, telescopic crown attachments can be virtually designed and milled precisely to ensure a passive fit of the attachment parts and maximal functionality of the RDP. This article reviews both the clinical outcome and prosthodontic rehabilitation of telescopic crown attachments of an edentulous ectodermal dysplasia patient with solitary rigid conical telescopic crown attachments...
October 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28841384/rehabilitation-with-an-implant-supported-metal-acrylic-fixed-prosthesis-after-ameloblastoma-resection-in-mandible-clinical-case-letter
#10
Julide Ozen, Behcet Erol, Sibel Dikicier, Gulce Alp
No abstract text is available yet for this article.
October 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28817741/reconstruction-of-a-severely-atrophied-alveolar-ridge-by-computer-aided-gingival-simulation-and-3d-printed-surgical-guide-a-case-report
#11
In-Seok Song, Mi-Ran Lee, Jae-Jun Ryu, Ui-Lyong Lee
Dental implants positioned in severely atrophied anterior maxillae require esthetic or functional compromises. This case report describes the rehabilitation of a severely atrophied alveolar ridge with a three-dimensional (3D) computer-aided design/computer-aided manufacture (CAD/CAM) surgical guide. A 50-year-old woman had a severely atrophied anterior maxilla with unfavorably positioned dental implants. Functional and esthetic prosthodontic restoration was difficult to achieve. An anterior segmental osteotomy was planned to reposition the dental implants...
August 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28750105/additive-manufacturing-techniques-in-prosthodontics-where-do-we-currently-stand-a-critical-review
#12
REVIEW
Nawal Alharbi, Daniel Wismeijer, Reham B Osman
PURPOSE: The aim of this article was to critically review the current application of additive manufacturing (AM)/3D-printing techniques in prosthodontics and to highlight the influence of various technical factors involved in different AM technologies. MATERIALS AND METHODS: A standard approach of searching MEDLINE, EMBASE, and Google Scholar databases was followed. The following search terms were used: (Prosth* OR Restoration) AND (Prototype OR Additive Manufacture* OR Compute* OR 3D-print* OR CAD/CAM) AND (Dentistry OR Dental)...
September 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28630955/chairside-systems-a-current-review
#13
REVIEW
Markus Zaruba, Albert Mehl
Since Cerec (Chairside Economical Restoration of Esthetic Ceramics) was introduced as the first dental chairside computer-aided design/computer-aided manufacturing (CAD/CAM) system in the mid-1980s, this technology has enjoyed growing popularity, particularly in the recent past. There has been a considerable increase in the number of available chairside systems in only the last few years. One of the main reasons for this is that intraoral scanners have become increasingly better, smaller, and faster, while the design software has become more and more user-friendly...
2017: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/28461637/dental-students-perceptions-of-digital-assessment-software-for-preclinical-tooth-preparation-exercises
#14
Carly F Park, Justin M Sheinbaum, Yasushi Tamada, Raina Chandiramani, Lisa Lian, Cliff Lee, John Da Silva, Shigemi Ishikawa-Nagai
Objective self-assessment is essential to learning and continued competence in dentistry. A computer-assisted design/computer-assisted manufacturing (CAD/CAM) learning software (prepCheck, Sirona) allows students to objectively assess their performance in preclinical prosthodontics. The aim of this study was to evaluate students' perceptions of CAD/CAM learning software for preclinical prosthodontics exercises. In 2014, all third-year dental students at Harvard School of Dental Medicine (n=36) were individually instructed by a trained faculty member in using prepCheck...
May 2017: Journal of Dental Education
https://www.readbyqxmd.com/read/28352204/marginal-fit-of-all-ceramic-crowns-fabricated-using-two-extraoral-cad-cam-systems-in-comparison-with-the-conventional-technique
#15
Fawaz Alqahtani
OBJECTIVE: The purpose of this study was to determine the effect of two extraoral computer-aided design (CAD) and computer-aided manufacturing (CAM) systems, in comparison with conventional techniques, on the marginal fit of monolithic CAD/CAM lithium disilicate ceramic crowns. STUDY DESIGN: This is an in vitro interventional study. PLACE AND DURATION OF STUDY: The study was carried out at the Department of Prosthodontics, School of Dentistry, Prince Sattam Bin Abdul-Aziz University, Saudi Arabia, from December 2015 to April 2016...
2017: Clinical, Cosmetic and Investigational Dentistry
https://www.readbyqxmd.com/read/28326203/esthetic-rehabilitation-of-anterior-teeth-with-copy-milled-restorations-a-report-of-two-cases
#16
Sapna Rani, Jyoti Devi, Chandan Jain, Parul Mutneja, Mahesh Verma
Digitalization has become part and parcel of contemporary prosthodontics with the probability of most of the procedures being based on the digital techniques in the near future. This digital revolution started in the latter half of the 20th century by converting analog objects/signals into digital bits and bytes. Recent developments in all-ceramic materials and systems of computer-aided designing and computer-aided manufacturing (CAD/CAM), copy milling, and so forth offer excellent esthetics and superb biocompatibility...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28316122/digital-workflow-for-fixed-implant-rehabilitation-of-an-extremely-atrophic-edentulous-mandible-in-three-appointments
#17
Panos Papaspyridakos, Neha Rajput, Yukio Kudara, Hans-Peter Weber
OBJECTIVE: To present a rationale to reduce treatment complexity, number of surgeries, and overall treatment time for patients with extreme mandibular ridge deficiency. CLINICAL CONSIDERATIONS: A 67-year-old fully edentulous male presented with a chief complaint of poor retention and stability of the mandibular complete denture with consequent discomfort and inability to chew. A novel 3-appointment protocol from guided implant placement to definitive prosthesis delivery was implemented...
March 18, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28273692/the-extent-and-scope-of-prosthodontic-practice-in-iowa
#18
Ronald L Ettinger, Zachary S Goettsche, Fang Qian
PURPOSE: The purpose of this questionnaire was to ask general dentists in private practice in the state of Iowa about the extent and scope of their prosthodontic practice. MATERIALS AND METHODS: A 22-item questionnaire was developed and tested on 5 general dentists. The Iowa Dental Association agreed to electronically distribute the survey to all general practice dentists in their database. After three rounds, a total of 289 responses were received from the 996 general dentists in the database...
March 8, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28267817/evaluation-of-currently-available-cad-cam-denture-systems
#19
Patricia-Anca Steinmassl, Florian Klaunzer, Otto Steinmassl, Herbert Dumfahrt, Ingrid Grunert
PURPOSE: The introduction of computer-aided design/computer-assisted manufacture (CAD/CAM) technology into removable denture prosthodontics enables denture adaptation in fewer patient visits, an advantage that appeals to dentists and patients. Since manufacturers follow very different approaches, an evaluation of the different clinical CAD/CAM complete denture fabrication protocols is desirable. The aim of this article is to assess and evaluate the different clinical fabrication protocols of currently available CAD/CAM denture systems to provide decision support for dental practitioners...
March 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28203007/-diagnossis-and-treatment-of-complicated-anterior-teeth-esthetic-defects-by-combination-of-whole-process-digital-esthetic-rehabilitation-with-periodontic-surgery
#20
Z Li, Y S Liu, H Q Ye, Y S Liu, W J Hu, Y S Zhou
OBJECTIVE: To explore a new method of whole-process digital esthetic prosthodontic rehabilitation combined with periodontic surgery for complicated anterior teeth esthetic defects accompanied by soft tissue morphology, to provide an alternative choice for solving this problem under the guidance of three-dimensional (3D) printing digital dental model and surgical guide, thus completing periodontic surgery and digital esthetic rehabilitation of anterior teeth. METHODS: In this study, 12 patients with complicated esthetic problems accompanied by soft tissue morphology in their anterior teeth were included...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
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