نتایج جستجو برای: denture bases

تعداد نتایج: 74301  

2010
Jung-Bo Huh Min-Goo Kang Sang-Wan Shin Jae-Jun Ryu

PURPOSE The aims of this study were to suggest a method of fabrication of the record base using a light-polymerized resin by applying the two-phase fabrication method for the improvement of the fit of the record base and to compare the degree of fit according to the separation site. MATERIALS AND METHODS In the edentulous cast of maxilla, four test groups were considered. In the first, second...

2016
Anchal Qanungo Meena Ajay Aras Vidya Chitre Ivy Coutinho Praveen Rajagopal Ashwin Mysore

PURPOSE The aim of this in vivo study was to compare the single-step border molding technique using injectable heavy viscosity addition silicone with sectional border molding technique using low fusing impression compound by evaluating the retention of heat cure trial denture bases. MATERIALS AND METHODS Ten completely edentulous patients in need of prostheses were included in this study. Two...

Journal: :Dental materials journal 2006
Masamichi Nishioka Yoshihisa Yamabe Kunihiro Hisatsune Hiroyuki Fujii

The purpose of this study was to investigate the influence of the surface roughness of denture base resin and metal on wettability with water and saliva. Solid specimens were produced using heat-curing denture base resin and Co-Cr alloy. After polymerizing or casting these materials, specimens with four different types of surface roughness were produced by a progressive polishing process using ...

Journal: :The International journal of prosthodontics 2016
Luiz Felipe Butzke Coelho Josué Ricardo Broilo Evandro Afonso Sartori Luiz Oscar Honorato Mariano Tomás Geremia Leonardo Barcellos Leandro Luis Corso Rosemary Sadami Arai Shinkai Márcio Lima Grossi

PURPOSE The objective of this study was to assess the stress distribution generated by a simulated loading (100 N) in the area of the cantilever in three different five-implant mandibular protocol prosthesis models. MATERIALS AND METHODS The finite element analysis was carried out in three-dimensional models simulating: (1) a temporary all acrylic resin mandibular protocol prosthesis; (2) a m...

Journal: :Brazilian dental journal 2011
Amanda Fucci Wady Ana Lucia Machado Carlos Eduardo Vergani Ana Cláudia Pavarina Eunice Teresinha Giampaolo

Water may influence the mechanical properties of the acrylic resins. Thus, the effect of water storage on the impact strength (IS) of one denture base (Lucitone 550 - L) and four reline resins (Tokuyama Rebase II - T; UfiGel Hard - U; Kooliner - K; New Truliner - NT) was evaluated. Bars of L were made (60 x 6 x 2 mm) and relined (2 mm) with T, U, K, NT and L. Intact specimens of each material (...

Journal: :Dental materials journal 2007
Toshio Sato Hidekazu Takahashi Toshio Hongo Iwao Hayakawa

The purpose of this study was to evaluate the effect of degradation of a denture base resin on bond strength to relining resins. Denture base resin specimens were immersed under various conditions to simulate degradation. Tensile bond strength of denture base resin after immersion to relining resins was measured with or without surface grinding. The bond strength of denture base resin without g...

Journal: :The Journal of the Dental Association of South Africa = Die Tydskrif van die Tandheelkundige Vereniging van Suid-Afrika 1979
J F Wolfaardt J C Austin

A simple technique is described for the rapid and accurate calibration of flask press spring loads for studies in which denture base resins require to be processed under uniform loading conditions. The technique was evaluated in com­ mercially available flask presses and was found to perform with a high degree of precision. It offers a simple solution to the problem of standardising flask press...

2015
Jarbas Francisco Fernandes

Introduction The occurrence of edentulism among older patients is very frequent1, and alterations in the maxilla-mandibular relation may be induced during the construction of full dentures2. Such alterations can be exacerbated though the prolonged use of inadequate dentures3. Excessive wear of artificial teeth as a result of parafunctional habits (such as bruxism) and ill-fitting denture bases ...

Journal: :Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine 2006
R J Bibb D Eggbeer R J Williams A Woodward

Previous studies of CAD/CAM-produced sacrificial patterns for removable partial denture frameworks have been documented but to date, no such restorations have been test-fitted to a patient. This paper provides details of the first trial fitting to a patient of an RPD framework, the sacrificial pattern of which was produced by CAD/CAM and RP technologies. A cast of the patient was scanned and th...

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