نتایج جستجو برای: dental restoration failure
تعداد نتایج: 573450 فیلتر نتایج به سال:
AIM The purpose of this article is to illustrate the relationship of bone quality and the prognosis of dental implant. BACKGROUND Reported success rates for dental implants are high. Thus, an implant-supported restoration offers a predictable treatment for tooth replacement. Nevertheless, failures that mandate immediate implant removal do occur. CASE DESCRIPTION A case involving a 40-year-o...
The purpose of this investigation was to document the failure rate and length of service of crowns and fixed partial dentures (FPDs) fabricated in a Nigerian dental school. The reasons for failure of the initial restorations and their length of service were also ascertained. Also, the numbers of retainers, pontics, and the types of restoration were recorded. Poor esthetics was the most frequent...
Today proper selection of dental cements is a key factor to achieve a successful restoration and will greatly increase the chances of long-term success of the restoration. In recent years, many newly formulated dental cements have been developed with the claim of better performance compared to the traditional materials. Unfortunately, selection of suitable dental cement for a specific clinical ...
The restoration of proximal surface cavities, originating from Class II carious lesions, to "normal" anatomical specifications is a fundamental objective for the dental practitioner. Cognitive interpretation of tooth morphology attained from evidence-based resources, together with the necessary psychomotor skills for correct design and completion, are considered essential strategies for restora...
Pain is one of the most frequent reasons for seeking dental treatment and clinical observations confirm that patients complain of dentinal sensitivity under different conditions and degrees of intensity. This is a very frequent problem after dental restorations with resin composite, even when there is no visible failure in the restoration. The aim of this bibliographic review was to identify th...
Today proper selection of dental cements is a key factor to achieve a successful restoration and will greatly increase the chances of long-term success of the restoration. In recent years, many newly formulated dental cements have been developed with the claim of better performance compared to the traditional materials. Unfortunately, selection of suitable dental cement for a specific clinical ...
OBJECTIVES Clinical data on survival rates reveal that all-ceramic dental prostheses are susceptible to fracture from repetitive occlusal loading. The objective of this review is to examine the underlying mechanisms of fatigue in current and future dental ceramics. DATA/SOURCES The nature of various fatigue modes is elucidated using fracture test data on ceramic layer specimens from the denta...
STATEMENT OF PROBLEM Evidence is limited on the efficacy of zirconia-based fixed dental prostheses. OBJECTIVE To carry out a literature review of the behavior of zirconium oxide dental restorations. MATERIAL AND METHODS This literature review searched the Pubmed, Scopus, Medline and Cochrane Library databases using key search words "zirconium oxide," "zirconia," "non-metal restorations," "c...
THE primary purpose of the masticatory process is to apply forces to the nutritional substances which are taken into the mouth, thereby causing a reduction in their size. The mechanism for this action includes the medium of tooth structure which not only applies these forces directly to the food masses, but is itself subject to the effects of these forces. In general, the effects of forces appl...
Dental caries is one of the most common chronic childhood diseases and highly prevalent in world. The commonest treatment procedure for dental a restoration which aims to retain tooth. survival depends on factors associated with restorative materials, patients or operators. Thus, this study aimed determine reasons failure posterior primary teeth performed by undergraduate students. A total numb...
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