نتایج جستجو برای: amalgam restoration
تعداد نتایج: 53435 فیلتر نتایج به سال:
This is a rare case of amalgam allocation in an alveolar wound of an extracted third molar. During the extraction of a mandibular third molar to a 36-year-old woman, the adjacent mandibular second molar was broken. The dentist decided to put an amalgam filling to the mandibular second molar directly after the extraction and during the same appointment. The patient soon experienced an acute cont...
AIM The purpose of the present study was to determine the influence of glass ionomer cement and amalgam restoration on the level of Streptococcus mutans in the interproximal plaque at periodic intervals and also to compare these values. MATERIALS AND METHODS Seventeen adult patients having two proximal carious lesions on any quadrant of the jaw (either opposing or contralateral) were selected...
AIM To compare the retention of amalgam restorations in bonded amalgam restoration and restorations with undercuts. BACKGROUND With improvement in adhesive technology problem associated with conventional preparation for amalgam restorations mainly compromised resistance form of tooth structure have been largely overcome. MATERIALS AND METHODS Forty caries free extracted molars were used. A ...
An in vitro study was performed to ascertain the marginal seal elemental composition of amalgam restored extracted teeth of known marginal leakage. Occlusal cavities were cut in 400 caries free extracted teeth and left unlined or lined with one of 5 bases. A varnish was applied to half the cavities followed by restoration with a low copper or high copper amalgam to produce 20 restoration combin...
OBJECTIVES Dental amalgam has been used as a common restorative material since the 1800s, but concerns have been raised regarding its purported neuropsychological effects due to the neurotoxicity of mercury. In this study, a nationwide population-based database was employed to investigate the association of dental amalgam restoration with the risk of attention-deficit/hyperactivity disorder (AD...
PURPOSE This study was performed to compare the clinical performance between the compomer F2000 and amalgam Dispersalloy in Class II restorations in primary molars over a 2-year period. METHODS Seventy-five amalgam and 75 compomer restorations were placed in 75 children based on a split-mouth design. The restorations were evaluated after 1 week and after 6, 12, 18, and 24 months of oral funct...
BACKGROUND Silver dental amalgam is one of the oldest filling materials used in dentistry. The American Dental Association (ADA) has estimated that billions of amalgam restorations have been placed in patients in the last 150 years. Due to the presence of mercury and mishandling during the filling make it more controversial. The objective of this study was to conduct a survey of the use of diff...
Dental amalgam has served as an excellent and versatile restorative material for many years. There is still no adequate economic alternative for dental amalgam. Pins are used whenever adequate resistance and retention forms cannot be established with slots.locks and other undercuts only. It is an important adjunt in the restoration of extensive carious teeth. Pins not only helps in binding of a...
Purpose: Dental amalgam has been used as a dental restoration for more than 165 years. However, some patients with these restorations may present oral lichenoid lesions (OLL). OLL are chronic oral mucosal contact reactions to dental amalgam. Their diagnosis usually is based on the direct contact of the affected mucosa with the amalgam restorations, clinical appearance, and lack of migrations. A...
Methods: Thirty extracted human pre-molars were restored by amalgam. A simulated defect was prepared and assigned to two treatment groups (n=15): G1 repaired by amalgam (Permite C-SDI); G2 repaired by bonded amalgam (Caulk 34% Tooth Conditioner Gel – Dentsply + Prime & Bond 2.1 – Dentsply + Permite CSDI). The teeth were immersed in a 50% silver nitrate solution, thermocycled and then, sectioned...
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