نتایج جستجو برای: dental restoration failure
تعداد نتایج: 573450 فیلتر نتایج به سال:
Resin-retained bridges have been used clinically since the 1970s, and offer a more conservative approach to the restoration of edentulous spaces than conventional bridgework. They are easy to place, cheap to fabricate and have been shown to be cost-effective. Despite this, they are not frequently used in general dental practice and they have an undeserved reputation for failure. Since their ini...
Bruxism is defined as the repetitive jaw muscle activity characterized by the clenching or grinding of teeth. It can be categorized into awake and sleep bruxism (SB). Frequent SB occurs in about 13% of adults. The exact etiology of SB is still unknown and probably multifactorial in nature. Current literature suggests that SB is regulated centrally (pathophysiological and psychosocial factors) a...
Resin-retained bridges have been used clinically since the 1970s, and offer a more conservative approach to the restoration of edentulous spaces than conventional bridgework. They are easy to place, cheap to fabricate and have been shown to be cost effective. Despite this, they are not frequently used in general dental practice and they have an undeserved reputation for failure. Since their ini...
Dental implants in partially edentulous patients are a predictable therapeutic option. However, using tooth-to-implant restorations to rehabilitate partially edentulous patients involves highly complex biomechanical aspects. This type of prosthesis utilizes different kinds of support that react distinctly to the functional forces developed in the oral cavity. In some cases, a tooth-to-implant r...
Background and Aim: Mercury or Hydrargyrum (Hg) is the most non-radioactive toxic element known. Dental amalgam is made up of 50% mercury.. Electromagnetic fields may increase the emission of mercury from dental amalgam fillings. It was thus aimed to study the effects of electromagnetic fields of mobile use on the level of mercury released from dental amalgam restorations. Materials and Methods...
Dental polymeric composites have become the first choice for cavity restorations due to their esthetics and capacity to be bonded to the tooth. However, the oral cavity is considered to be harsh environment for a polymeric material. Oral biofilms can degrade the polymeric components, thus compromising the marginal integrity and leading to the recurrence of caries. Recurrent caries around restor...
Aesthetic anterior tooth restoration is one of the greatest challenges for dentists in clinical practice. Patients expect contemporary dentistry to provide restorations that reproduce natural beauty while ensuring stability and functionality. The Fixed dental prosthesis fabrication requires equal consideration to be given to the retainer, pontic and connector design. The excessive flexing of th...
It has become increasingly common for controlled diabetic patients to be considered as candidates for dental implants. This study reports on the results of placing implants in 34 patients with diabetes who were treated with 227 Brånemark implants. At the time of second-stage surgery, 214 of the implants had osseointegrated, a survival rate of 94.3%. Only one failure was identified among the 177...
Resin composites and adhesives are increasingly popular in dental restorations, but secondary caries is one of the main reasons for restoration failure. Quaternary ammonium monomers (QAMs) have an anti-microbial effect and are widely used in many fields. Since the concept of the immobilized antibacterial effect was put forward, dental restorations containing QAMs have been studied to reduce sec...
OBJECTIVES To investigate in a prospective follow up the longevity of posterior resin composites (RC) placed in permanent teeth of children and adolescents attending Public Dental Health Service. METHODS All posterior RC placed, in the PDHS clinics in the cities of Copenhagen and Frederiksberg in Denmark between November 1998 and December 2002, in permanent teeth of children and adolescents u...
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