Class Ii Amalgam Cavity Preparation And Restoration Youtube

By hostersectioning On Sep 21, 2024 Last updated

Class 2 Cavity Preparation For Amalgam Restoration Lower 6 Strai In this video, we look at preparation, wedge placement, matrix band placement, as well as contouring and finishing a class ii amalgam restoration. full credi. Class ii amalgam cavity preparation and restorationdone by second year dental students for a class project in 213 rds class. students:raghad baidasrah alrefa.

Class Ii Amalgam Cavity Preparation And Restoration Youtube Load the amalgam carrier with amalgam from the well; place the amalgam into the occlusal segment of the prepared cavity. begin condensation using a small condenser to condense a portion of the amalgam into the proximal box area. place pressure and condense into all line angles, as well as against the matrix band. An occlusal cavosurface bevel is contraindicated in the tooth preparation for an amalgam restoration. 38 it is important to provide an approximate 90 to 100 degree cavosurface angle, which should result in 80 to 90 degree amalgam at the margins. 31 this butt joint margin of enamel and amalgam is the strongest for both. amalgam is a brittle material with low edge strength and tends to chip. Place a wedge in between adjacent teeth to separate the contact areas. e. orient the bur over the mesial pit, perpendicular to the occlusal surface. f. penetrate the mesial pit to a depth of 1 1.5mm for the initial punch cut. g. optional: the length of the bur may be used to approximate preparation depth. h. Amalgam requires specific cavity design to allow for an appropriate restoration. there must be a minimum 2mm depth. there must be some form of retention, primarily an undercut cavity. unsupported enamel should be removed, whilst maintaining a 90° cavosurface angle. the cavity still must be caries free, with margins in cleansable areas.

Class Ii Amalgam Cavity Preparation And Restoration Youtube Place a wedge in between adjacent teeth to separate the contact areas. e. orient the bur over the mesial pit, perpendicular to the occlusal surface. f. penetrate the mesial pit to a depth of 1 1.5mm for the initial punch cut. g. optional: the length of the bur may be used to approximate preparation depth. h. Amalgam requires specific cavity design to allow for an appropriate restoration. there must be a minimum 2mm depth. there must be some form of retention, primarily an undercut cavity. unsupported enamel should be removed, whilst maintaining a 90° cavosurface angle. the cavity still must be caries free, with margins in cleansable areas. Weak area of amalgam, and to prevent fracture of the amalgam isthmus over a "wedge of tooth". c. however, the axio gingival line angle is made sharp and definite for positive condensation of amalgam, as well as stability of the restoration under stress. 6. retention form of the proximal portion is made independently of the occlusal. This document discusses tooth preparation for class ii amalgam restorations. it begins by outlining initial clinical procedures like marking occlusal contacts. it then describes the steps for preparing teeth that involve one or both proximal surfaces, including occlusal outline form, proximal outline form, and variations for different teeth.

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class II amalgam cavity preparation and restoration

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