نتایج جستجو برای: denture bases

تعداد نتایج: 74301  

Journal: :Journal of applied oral science : revista FOB 2004
Márcia Gomes Josué Ricardo Broilo Luiz Fernando Walber Paulo César Armani Maccari Rosemary Sadami Arai Shinkai

OBJECTIVE This study evaluated the effect of chemical polishing on the internal adaptation of complete denture bases fabricated with Veracril® resin and polymerized by either the conventional (C) or microwave (M) techniques. MATERIAL AND METHODS Six groups (n=6/group) were tested: 1) C + no polishing (CO); 2) C + chemical polishing (CQ); 3) C + immersion in hot water at 75ºC (CW); 4) M + no p...

2014
Jafar Gharechahi Nafiseh Asadzadeh Foad Shahabian Maryam Gharechahi

OBJECTIVE Acrylic resin denture bases undergo dimensional changes during polymerization. Injection molding techniques are reported to reduce these changes and thereby improve physical properties of denture bases. The aim of this study was to compare dimensional changes of specimens processed by conventional and injection-molding techniques. MATERIALS AND METHODS SR-Ivocap Triplex Hot resin wa...

2015
Marcelo Coelho Goiato Rodrigo Antonio de Medeiros Aljomar José Vechiato Filho Emily Vivianne Freitas da Silva Mariana Vilela Sônego Karina Helga Turcio de Carvalho Aimée Maria Guiotti Stefan Fiuza de Carvalho Dekon Aldiéris Alves Pesqueira Daniela Micheline dos Santos

INTRODUCTION The treatment of orofacial tumors may cause facial deformities by losses of structures that affect basic functions, i.e. feeding, speech, and the reduction of patient self-steam. PRESENTATION OF CASE A white male patient was diagnosed with epidermoid cancer on the mandibular alveolar ridge with infiltration staging IV A. The patient was submitted to a mandibulectomy associated wi...

Journal: :JDS (Journal of Syiah Kuala Dentistry Society) 2023

Background: Heat-cured acrylic resin is the most often used to make denture bases. In its use as a base, heat-cured requires disinfectant clean it from contamination by microorganisms. Still, does not affect other properties of resin. Objective: This study aimed determine effect base disinfection with chlorhexidine and castor oil on surface roughness. Materials Methods: research laboratory expe...

Anjali Bhoyar Ashok Pakhan, Monika Dagdiya, Seema Sathe Surekha Godbole

Introduction: Acrylic resins have been used successfully as denture bases. However, acrylic resin denture base materials are brittle and have poor strength and thermal conductivity. Therefore, it is essential to improve the flexural strength of heat polymerized acrylic resin. The present study aimed to evaluate and compare the flexural strength of heated polymerized acrylic res...

Journal: :Acta of bioengineering and biomechanics 2016
Anna Macura-Karbownik Grzegorz Chladek Jarosław Żmudzki Jacek Kasperski

PURPOSE Thermoplastic materials, such as acetal (AC) and polyamide (PA), constitute an alternative to polymethyl methacrylate (PMMA) based resins as the materials for removable partial dentures. However, none of the previous studies compared chewing efficiency and occlusal forces in the wearers of dentures made of various materials. Therefore, the aim of this study was to determine and compare ...

Journal: :The International journal of prosthodontics 2010
Stefan Dorner Florian Zeman Michael Koller Reinhold Lang Gerhard Handel Michael Behr

PURPOSE Denture survival, or the time between the date of a denture's insertion and the date of its renewal for any clinical reason, was assessed in this retrospective study on 353 complete dentures. The procedures required to prolong the useful time of the study sample-relines, repair of denture base fractures, or replacement of lost artificial teeth-were also evaluated. MATERIALS AND METHOD...

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