نتایج جستجو برای: dental restoration failure

تعداد نتایج: 573450  

2001
Asbjorn Jokstad Stephen Bayne Uwe Blunck Martin Tyas

A major undertaking for general practitioners is the provision and assessment of dental restorations. High quality restorative therapy encompasses several key elements that fulfil specific criteria. Enhanced knowledge of these elements is a significant step toward improvement of the quality of restorative dental care 1. Several studies have demonstrated that a major component of a dentist’s wor...

2016

Introduction: Retention of provisionallycemented implant-supported restorations plays an important role in success of the treatment. Uncemented restorations may cause several problems such as restoration swallowing, increased bone loss and prosthesis failure. Therefore, suitable cement compromising between retention and retrievability as well as extra-means of abutment retention might be prefer...

2013
Lisa Actis Laura Gaviria Teja Guda Joo L. Ong

In an attempt to regain function and aesthetics in the craniofacial region, different biomaterials, including titanium, hydroxyapatite, biodegradable polymers and composites, have been widely used as a result of the loss of craniofacial bone. Although these materials presented favorable success rates, osseointegration and antibacterial properties are often hard to achieve. Although bone-implant...

Journal: :Journal of biomedical optics 2005
L S A de Melo R E de Araujo A Z Freitas D Zezell N D Vieira J Girkin A Hall M T Carvalho A S L Gomes

Evaluation of molar dental restorations on enamel is performed using optical coherence tomography (OCT) with 10 microm resolution. Images of approximately 50 microm failure gaps in the restorations are demonstrated and the OCT images are compared with x-ray and optical microscopy pictures. The results demonstrate the potential of the technique for clinical evaluation of dental restorations.

2017
Kornchanok Wayakanon

Dental materials have been continuously developing over a long period of time. Every effort has been made to develop the physical and mechanical properties of the materials to mimic the natural tooth substances. However, that has not yet been achieved, making it necessary to apply conservative dental treatments. Conservative treatments are procedures which minimize the amount of defective tooth...

2017
Nathalia Miranda Ladewig Cíntia Saori Sahiara Laysa Yoshioka Isabel Cristina Olegário Isabela Floriano Tamara Kerber Tedesco Fausto Medeiros Mendes Mariana Minatel Braga Daniela Procida Raggio

INTRODUCTION Despite the widespread acceptance of conventional treatment using composite resin in primary teeth, there is limited evidence that this approach is the best option in paediatric clinics. Atraumatic restorative treatment (ART) using high-viscosity glass ionomer cement has gradually become more popular because it performs well in clinical studies, is easy to handle and is patient fri...

Journal: :PloS one 2016
Stefano Benazzi Huynh Nhu Nguyen Ottmar Kullmer Kornelius Kupczik

BACKGROUND Dental biomechanics based on finite element (FE) analysis is attracting enormous interest in dentistry, biology, anthropology and palaeontology. Nonetheless, several shortcomings in FE modeling exist, mainly due to unrealistic loading conditions. In this contribution we used kinematics information recorded in a virtual environment derived from occlusal contact detection between high ...

2016
Carmen SAVIN Ana PETCU Laura GAVRILĂ Adriana BĂLAN

Dental caries is one of the most frequent diseases which affects, to quite a high extent, both temporary and mixed dentition. Restoration of the loss of hard dental substance caused by simple or complicated caries of the temporary teeth and of the young permanent teeth can re-establish tooth morphology and, implicitly, the mastication, phonation, physiognomic functions, as well as that of space...

2010
Christian Ritzberger Elke Apel Wolfram Höland Arnd Peschke Volker M. Rheinberger

The main properties (mechanical, thermal and chemical) and clinical application for dental restoration are demonstrated for three types of glass-ceramics and sintered polycrystalline ceramic produced by Ivoclar Vivadent AG. Two types of glass-ceramics are derived from the leucite-type and the lithium disilicate-type. The third type of dental materials represents a ZrO2 ceramic. CAD/CAM technolo...

Journal: :Revista panamericana de salud publica = Pan American journal of public health 2013
Saskia Estupiñán-Day Marisol Tellez Sundeep Kaur Trevor Milner Alfredo Solari

OBJECTIVE To compare survival rates and cost differentials between the atraumatic restorative treatment (ART) technique and amalgams by type of dental personnel in Ecuador, Panama, and Uruguay. METHODS Children 7 to 9 years of age in rural and urban schools with at least one lesion with initial cavitated enamel caries or a dentinal lesion on a first permanent molar were selected and randomize...

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