نتایج جستجو برای: dental restoration failure

تعداد نتایج: 573450  

Ali Momen, Mina Kahyaie Aghdam, Rasoul Heidary Postkan,

Introdouction: Although highly desirable outcomes and longterm survival of dental implant treatments are well documented, implant failures still occur due to various reasons. Several risk factors may impair implant survival including implant dimensions (length, diameter, and implant design), procedures, local bone density at the implant site, and patient-related risk factors such as age, smokin...

ژورنال: طب کار 2019

Introduction: dentists are exposed to mercury vapor due to occupational exposure to amalgam Which can endanger their health. the aim of this study was to measure the concentration of urinary mercury in dental students and the restorative specialists one of the dental schools in Iran in order to determine the effect of mercury vapor on them. Methods: The study population Including 40 dental stu...

Journal: :Indian journal of dental research : official publication of Indian Society for Dental Research 1995
B K Kisumbi J T Kaimenyi J M Wakiaga

The objective of this study was to determine the knowledge and attitude of Nairobi University students towards dental health care in Kenya. A self administered questionnaire given to 400 students in person who responded and handed them over immediately. The students had a mean age of 22.4 years, 45.3% were males and 54.5% were females. Extractions, restorations and replacement of teeth were kno...

Farzin Ghanavati Hassan Semeyare Mahmod Nasr Sayed Shojaeddin Shayegh,

  Background and Objective: The concept of immediate occlusal loading with dental implants offers several advantages. In this research, the effect of type of restoration on Osseointegration rate of dental implants was histologically evaluated. Materials and Methods: Three months prior to implantation, the lower premolar teeth of 15 dogs were extracted. Then, 3 to 4 Maestro™ implants were plac...

2012
Michael J. Wahl

Dental amalgam has been maligned as a filling material, both because of its clinical properties and its alleged effects on systemic health, but reports of its demise have been premature. As of 2008, 57 percent of dentists were placing amalgam (March 2008 Dental Products Report Survey). A large 2011 survey showed that dentists in the United States place more dental amalgam than composite for fir...

Journal: :dental research journal 0
suleyman hakan tuna filiz keyf gurel pekkan

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 the maxillary lateral incisor is the second most common congenitally absent tooth. there are several treatment options for replacing the missing maxillary lateral incisor, including canine substitution, tooth-supported restoration, or single-tooth implant. dental implants are an appropriate treatment option for replacing m...

Journal: :journal of craniomaxillofacial research 0
ali moaddabi department of oral and maxillofacial medicine, school of dentistry, university of shahed, tehran, iran mahsa shariati orthodontist. craniomaxillofacial research center, shariati hospital, tehran university of medical sciences, tehran, iran amir hossein-moaddabi department of oral and maxillofacial surgery, school of dentistry, isfahan university of medical sciences, isfahan, iran parisa soltani dental students research center, school of dentistry, isfahan university of medical sciences, isfahan, iran

i ntroduction: bisphosphonates are  widely used  for  various bone  diseases including osteoporosis and bone tumors. one of the complications associated with these pharmaceutical agents is bisphosphonate-related osteonecrosis of the jaw. this condition may be triggered by placement of dental implants. in turn,  osteonecrosis  of  the  jaw  may  cause  failure  in  osseointegration  of implants....

Journal: :The Journal of prosthetic dentistry 2010
Nicola U Zitzmann Gabriel Krastl Hanjo Hecker Clemens Walter Tuomas Waltimo Roland Weiger

Prosthodontists face the difficult task of judging the influence and significance of multiple risk factors of periodontal, endodontic, or prosthetic origin that can affect the prognosis of an abutment tooth. The purpose of this review is to summarize the critical factors involved in deciding whether a questionable tooth should be treated and maintained, or extracted and possibly replaced by den...

Journal: :The open dentistry journal 2015
Steffen Mickenautsch Veerasamy Yengopal

PURPOSE Traditionally, resin composite restorations are claimed by reviews of the dental literature as being superior to glass-ionomer fillings in terms of restoration failures in posterior permanent teeth. The aim of this systematic review is to answer the clinical question, whether conventional high-viscosity glass-ionomer restorations, in patients with single and/or multi-surface cavities in...

2012
Ibrahim Mohamed Hamouda

Nanotechnology is gaining tremendous impetus due to its capability of modulating metals into their nanosize, which drastically changes the chemical, physical and optical properties of metals. Nanoparticles have been introduced as materials with good potential to be extensively used in biological and medical applications. Nanoparticles are clusters of atoms in the size range of 1-100 nm. Inorgan...

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