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Fixed prosthodontics

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https://www.readbyqxmd.com/read/29316569/prospective-evaluation-of-posterior-fixed-zirconia-dental-prostheses-10-year-clinical-results
#1
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/29299730/the-functional-implant-prosthodontic-score-fips-assessment-of-reproducibility-and-observer-variability
#2
Tim Joda, Fernando Zarone, Nicola U Zitzmann, Marco Ferrari
OBJECTIVES: The aim of this study was to validate the reproducibility and observer variability of the Functional Implant Prosthodontic Score (FIPS), while considering the level of dental experience for intra- and inter-examiner analysis. MATERIALS AND METHODS: A total of 44 examiners (n = 31 undergraduate dental students and n = 13 postgraduate prosthodontic students) applied FIPS to ten sample cases each showing one implant-supported single crown for premolar or molar replacements...
January 3, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29261853/metal-free-materials-for-fixed-prosthodontic-restorations
#3
REVIEW
Carlo E Poggio, Carlo Ercoli, Lorena Rispoli, Carlo Maiorana, Marco Esposito
BACKGROUND: Fixed prosthodontic treatment (crowns, fixed dental prostheses (FDPs), complete arch prostheses) involves the use of several different materials to replace missing tooth structure. Traditionally full metal or metal frameworks veneered with ceramic (metal-ceramic (MC)) have been used. In recent years several different metal-free systems have become available to clinicians and patients. In general, metal-free restorations should allow practitioners to better reproduce natural tooth colour, avoiding shortcomings of MC restorations...
December 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29258639/quality-assurance-in-custom-dental-devices-a-technologist-s-perspective
#4
Anthony Griffin
Manufacturing of custom-made dental devices such as removable dentures, fixed prosthodontics and orthodontics are subject to the requirements of the Medical Devices Directive (MDD). Many dental laboratories often enhance these requirements by implementing quality assurance procedures that then provide enhanced consistency. this paper provides a dental technologist's view of some of the systems currently being used in dental laboratories to provide a quality assured product and associated issues.
December 1, 2017: Primary Dental Journal
https://www.readbyqxmd.com/read/29242813/cobalt-chromium-alloys-in-fixed-prosthodontics-in-sweden
#5
Maria Kassapidou, Victoria Franke Stenport, Lars Hjalmarsson, Carina B Johansson
Aim: The aim of this study was to compile the usage of Co-Cr alloys in fixed prosthodontics (FP) among dental laboratories in Sweden. Methods: From March to October 2015, questionnaires were sent to 542 registered dental laboratories in Sweden. The questionnaires were divided in two parts, one for fixed dental-supported prosthodontics (FDP) and one for fixed implant-supported prosthodontics (FIP). Reminders were sent three times. Results: In total of 542 dental laboratories, 55% answered the questionnaires...
2017: Acta Biomaterialia Odontologica Scandinavica
https://www.readbyqxmd.com/read/29196333/validity-of-peer-evaluation-for-team-based-learning-in-a-dental-school-in-japan
#6
Keisuke Nishigawa, Rika Hayama, Katsuhiro Omoto, Kazuo Okura, Toyoko Tajima, Yoshitaka Suzuki, Maki Hosoki, Mayu Ueda, Miho Inoue, Omar Marianito Maningo Rodis, Yoshizo Matsuka
The aim of this study was to determine the validity of peer evaluation for team-based learning (TBL) classes in dental education in comparison with the term-end examination records and TBL class scores. Examination and TBL class records of 256 third- and fourth-year dental students in six fixed prosthodontics courses from 2013 to 2015 in one dental school in Japan were investigated. Results of the term-end examination during those courses, individual readiness assurance test (IRAT), group readiness assurance test (GRAT), group assignment projects (GAP), and peer evaluation of group members in TBL classes were collected...
December 2017: Journal of Dental Education
https://www.readbyqxmd.com/read/29178722/case-specific-finite-element-analysis-of-dental-cad-cam-prostheses-to-identify-design-flaws-prior-to-manufacture
#7
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/29142640/evaluation-of-c-albicans-and-s-mutans-adherence-on-different-provisional-crown-materials
#8
Gulsum Sayin Ozel, Mehmet Burak Guneser, Ozgur Inan, Ayce Unverdi Eldeniz
PURPOSE: Bacterial adhesion on provisional crown materials retained for a long time can influence the duration for which permanent prosthetic restorations can be healthily worn in the oral cavity. The aim of this study was to compare seven different commonly used provisional crown materials with regard to Streptococcus mutans and Candida albicans surface adhesion. MATERIALS AND METHODS: For each group, twenty specimens of the provisional fixed prosthodontic materials TemDent (Schütz), Imıdent (Imıcryl), Tab 2000 (Kerr), Structur Premium (Voco), Systemp (Ivoclar Vivadent), Acrytemp (Zhermack), and Takilon-BBF (Takilon) were prepared (diameter, 10...
October 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29116000/effect-of-mouthrinses-on-color-stability-of-monolithic-zirconia-and-feldspathic-ceramic-an-in-vitro-study
#9
Reza Derafshi, Hooman Khorshidi, Mohamadhasan Kalantari, Ilyad Ghaffarlou
BACKGROUND: Patients susceptible to periodontal disease and dental caries, including those who undergo fixed prosthodontic treatments use chemical plaque control agents. However, these mouthrinses may result in adverse effects such as discoloration of the restorative materials. The aim of this study was to compare the color stability of monolithic zirconia and feldspathic porcelain after immersion in two different mouthrinses: 0.2% Chlorhexidine digluconate (CHX), or Listerine®. Color change was evaluated by color spectrophotometer and according to the Commission Internationale de l'Eclairage (CIELab) system...
November 7, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28991761/dimensional-stability-and-acuracy-of-silicone-based-impression-materials-using-different-impression-techniques-a-literature-review
#10
Borjan Naumovski, Biljana Kapushevska
A quality-made dental impression is a prerequisite for successful fixed-prosthodontic fabrication and is directly dependent on the dimensional stability, accuracy and flexibility of the elastomeric impression materials, as well as on the appropriately used impression techniques. The purpose of this paper is to provide a literature review of relevant scientific papers which discuss the use of various silicone impression materials, different impression techniques and to evaluate their impact on the dimensional stability and accuracy of the obtained impressions...
September 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/28944366/fixed-vs-removable-complete-arch-implant-prostheses-a-literature-review-of-prosthodontic-outcomes
#11
Charles Goodacre, Brian Goodacre
AIM: To compare implant fixed complete dentures with implant overdentures relative to prosthodontic outcomes. MATERIAL AND METHODS: An electronic Medline (PubMed) with MeSH terms, and Cochrane library search was performed, focusing on studies that included implant fixed complete dentures and implant overdentures in the same study, with the results based on studies that included both types of prostheses. RESULTS: The following six categories of comparative studies were identified in the literature: 1) Implant and prosthesis survival; 2) Prosthesis maintenance/complications; 3) Bone changes; 4) Patient satisfaction and quality of life; 5) Cost-effectiveness; and 6) Masticatory performance...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28927393/the-complete-digital-workflow-in-fixed-prosthodontics-a-systematic-review
#12
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/28904320/geometrical-effects-of-conventional-and-digital-prosthodontic-planning-wax-ups-on-lateral-occlusal-contact-number-contact-area-and-steepness
#13
Jaafar Abduo
This study evaluated and compared the effect of conventional and digital wax-ups on three lateral occlusion variables: contact number, contact area, and steepness. Dental casts of 10 patients with Angle Class I relationship were included in the study. All patients required fixed prosthodontic treatment that would affect lateral occlusion. The casts of all patients received conventional and digital wax-ups. For pretreatment, conventional wax-up, and digital wax-up casts, contact number, contact area, and occlusion steepness were measured at four lateral positions, that is, at excursions of 0...
2017: Journal of Oral Science
https://www.readbyqxmd.com/read/28888410/three-dimensional-printing-in-contemporary-fixed-prosthodontics-a-technique-article
#14
Sarah Bukhari, Brian J Goodacre, Abdulaziz AlHelal, Mathew T Kattadiyil, Paul M Richardson
Digital dentistry has gained in popularity among clinicians and laboratory technicians because of its versatile applications. Three-dimensional (3D) printing has been applied in many areas of dentistry as it offers efficiency, affordability, accessibility, reproducibility, speed, and accuracy. This article describes a technique where 3D printing is used to fabricate a die-trimmed cast and to replicate gingival tissue and implant analogs. The digital workflow that replaces the conventional laboratory procedure is outlined...
September 6, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28867525/a-customised-digitally-engineered-solution-for-fixed-dental-rehabilitation-in-severe-bone-deficiency-a-new-innovative-line-extension-in-implant-dentistry
#15
Nils-Claudius Gellrich, Rüdiger M Zimmerer, Simon Spalthoff, Philipp Jehn, Philipp-Cornelius Pott, Majeed Rana, Björn Rahlf
OBJECTIVES: Numerous procedures including soft and hard tissue reconstructions are necessary to allow for final implant-borne dental rehabilitation in patients with severe alveolar atrophy or resected jaws. In these cases, customised digitally engineered patient solutions for fixed or removable dental rehabilitation provide an innovative line extension to conventional implant dentistry. MATERIAL AND METHODS: A wax-up was performed on plaster models that were scanned by 3D laser...
October 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28841384/rehabilitation-with-an-implant-supported-metal-acrylic-fixed-prosthesis-after-ameloblastoma-resection-in-mandible-clinical-case-letter
#16
Julide Ozen, Behcet Erol, Sibel Dikicier, Gulce Alp
The majority of patients often have functional problems after undergoing jaw reconstruction. These patients require intense rehabilitation, including surgical and prosthodontic procedures to maximize function, esthetics, and to preserve mastication, speech, and appearance. This clinical report describes the rehabilitation of a patient who had a large tumor resection of ameloblastoma of the mandible resulting in hard and soft tissue deficiency. The mandible was reconstructed with an iliac bone graft with simultaneous tumor removal...
August 25, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28792115/digital-workflow-in-full-arch-implant-rehabilitation-with-segmented-minimally-veneered-monolithic-zirconia-fixed-dental-prostheses-2-year-clinical-follow-up
#17
Panos Papaspyridakos, Kiho Kang, Catherine DeFuria, Sarah Amin, Yukio Kudara, Hans-Peter Weber
OBJECTIVE: To illustrate a digital workflow in full-arch implant rehabilitation with minimally veneered monolithic zirconia and to report the outcomes including technical complications. CLINICAL CONSIDERATIONS: Three patients (5 edentulous arches) received full-arch fixed implant rehabilitation with monolithic zirconia and mild facial porcelain veneering involving a digital workflow. The incisal edges and occluding surface areas were milled out of monolithic zirconia to reduce the possibility of chipping...
August 9, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28756563/the-zygomatic-implant-perforated-zip-flap-a-new-technique-for-combined-surgical-reconstruction-and-rapid-fixed-dental-rehabilitation-following-low-level-maxillectomy
#18
C J Butterworth, S N Rogers
This aim of this report is to describe the development and evolution of a new surgical technique for the immediate surgical reconstruction and rapid post-operative prosthodontic rehabilitation with a fixed dental prosthesis following low-level maxillectomy for malignant disease.The technique involves the use of a zygomatic oncology implant perforated micro-vascular soft tissue flap (ZIP flap) for the primary management of maxillary malignancy with surgical closure of the resultant maxillary defect and the installation of osseointegrated support for a zygomatic implant-supported maxillary fixed dental prosthesis...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28750652/awareness-attitudes-need-and-demand-on-replacement-of-missing-teeth-among-a-group-of-partially-dentate-patients-attending-a-university-dental-hospital
#19
Rasika Manori Jayasinghe, Janana Perera, Vajira Jayasinghe, Indika P Thilakumara, Sumudu Rasnayaka, Muhammad Hanafi Muhammad Shiraz, Indra Ranabahu, Sanjeewa Kularatna
OBJECTIVE: Our objective was to assess awareness, attitudes, need and demand on replacement of missing teeth according to edentulous space, age, gender, ethnicity, educational level and socio-economical status of the patient. RESULTS: 76.2% of the study group was opined that the missing teeth should be replaced by prosthetic means. Majority were keen in getting them replaced mainly for the comfort in mastication. Although 77.9 and 32.9% were aware of the removable prostheses and implants respectively, only 25...
July 27, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28750105/additive-manufacturing-techniques-in-prosthodontics-where-do-we-currently-stand-a-critical-review
#20
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
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