13 Introduction To Amalgam Restorations Pocket Dentistry Amalgam. dental amalgam is a metallic restorative material composed of a mixture of silver–tin–copper alloy and mercury. the unset mixture is pressed (condensed) into a specifically prepared undercut tooth form and contoured to restore the tooth’s form and function. when the material hardens, the tooth is functional again, restored with a. List two indications for finishing and polishing amalgams. 6. discuss the possible results of poor amalgam placement and carving. 7. assess an amalgam restoration to determine whether it needs replacement or finishing and polishing. 8. differentiate between the procedures of amalgam finishing and amalgam polishing. 9.
13 Introduction To Amalgam Restorations Pocket Dentistry Amalgam is any alloy that contains mercury.copper, silver, and tin are the major components in dental amalgam but it may also contain zinc, indium, mercury, gold, platinum, and palladium. 2, 12, 13 amalgamation is the name given to the process of mixing liquid mercury (approximately 42 to 50% by weight) with the other alloys to form a highly plastic material that hardens following. Introduction. dental amalgam is one of the most versatile restorative materials used in dentistry. it constitutes approximately 75% of all restorative materials used by dentists. it has served as a dental restoration for more than 165 years. there is still no adequate economic alternative for dental amalgam. In amalgam restorations, marginal fracture is considered as a precursor to secondary caries. 3 even in the absence of secondary caries, marginal fracture may still lead to premature replacement of the restoration. 4 for composite restorations, an analysis of the findings of a multi centre clinical trial revealed that restorations with marginal. Introduction amalgam is used for the restoration of many carious or fractured posterior teeth and in the replacement of failed restorations. understanding the physical properties of amalgam and the principles of tooth preparation is necessary to produce amalgam restorations that provide optimal service. careful evaluation of existing amalgams.
13 Introduction To Amalgam Restorations Pocket Dentistry In amalgam restorations, marginal fracture is considered as a precursor to secondary caries. 3 even in the absence of secondary caries, marginal fracture may still lead to premature replacement of the restoration. 4 for composite restorations, an analysis of the findings of a multi centre clinical trial revealed that restorations with marginal. Introduction amalgam is used for the restoration of many carious or fractured posterior teeth and in the replacement of failed restorations. understanding the physical properties of amalgam and the principles of tooth preparation is necessary to produce amalgam restorations that provide optimal service. careful evaluation of existing amalgams. Complex posterior amalgam restorations should be considered when large amounts of tooth structure are missing and when one or more cusps need capping (fig. 16 1). 1 complex amalgams can be used as (1) definitive final restorations, (2) foundations, (3) control restorations in teeth that have a questionable pulpal or periodontal prognosis, or (4. 2. introduction of amalgam in dentistry. dental amalgam restorations, also called silver mercury fillings, were introduced to north america in the 1830s and have been the standard restorative filling for our molars and premolars. at that time there was a lot of controversy about its intraoral use.
Amalgam Restoration Definition Complex posterior amalgam restorations should be considered when large amounts of tooth structure are missing and when one or more cusps need capping (fig. 16 1). 1 complex amalgams can be used as (1) definitive final restorations, (2) foundations, (3) control restorations in teeth that have a questionable pulpal or periodontal prognosis, or (4. 2. introduction of amalgam in dentistry. dental amalgam restorations, also called silver mercury fillings, were introduced to north america in the 1830s and have been the standard restorative filling for our molars and premolars. at that time there was a lot of controversy about its intraoral use.
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