The silver alloy is typically 4070% ag, 2529% sn, 240% cu and 02% zn when the alloy is formulated. Pdf class i cavity preparation for amalgam compatibility. Amalgam restorations advantages strong, durable, economical. This video will show how to prepare class i cavity for amalgam restoration. Management of class i and class ii amalgam restorations. Download as ppt, pdf, txt or read online from scribd. Pdf the quality of routine class ii cavity preparations. Cavity preparations university of toronto faculty of dentistry.
Amalgam class i amalgam preps cavity form flashcards. Amalgam is used for the restoration of many carious or fractured posterior teeth and in the replacement of failed restorations. Modifications concave pulpal floor and gingival seat rounded internal line angles both decrease stress in the restoration view from distal surface of primary 1st molar b l. Amalgam cavity preparation class i preclinical operative dentistry dc, du 2. Amalgam cavity preparation class 1 tooth enamel dentin scribd. Lama alkahlan alanoud alsufayan rawan almobarraz rawan alsaif. Some of the advantages of using lasers for cavity preparation include 1 better patient acceptance because they are quiet, 2 no vibration and.
A small cavity was cut initially in the amalgam restoration until sound enamel and dentin could be seen at the pulp floor. The quality of routine class ii cavity preparations for amalgam article pdf available in acta odontologica scandinavica 471. Cavity located on the root surface when making composite restoration. Amalgam cavity preparation class 1 free download as powerpoint presentation. Amalgam cavity preparation class 1 tooth enamel dentin. These classes are based on the surfaces they involve.
Tutorial on class i cavity preparation amalgam restoration youtube. The final tooth preparation includes 1 removal of remaining defective enamel and infected dentin on the pulpal floor. Therefore, a cavity prepared for amalgam restoration must provide for. For various instruments used during procedure of cavity i preparation. Zn is a scavenger and is mostly consumed during melting and lost as oxide. Pediatric restorative dentistry types of restorations types. Ii cavity preparation and amalgam restoration, a class iv composite resin. Defective restoration and fig 1715 carious or at risk for caries.
It is important to know the different types of instruments used for cavity preparation and restoration and when and what purpose do they serve. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Operative dentistry principles of cavity preparation for amalgam. Class i cavity preparation for amalgam compatibility mode. Class i amalgam restoration amalgam is used for the restoration of many carious and fractured. Class i, ii, and vi amalgam restorations pocket dentistry. Amalgam cavity preparation class i preclinical operative dentistry.
The dentist packs the plastic mass, before it sets, into the. Pdf cavity designs for class ii amalgam restorations. Haya alwaalan najla alkhuzaim ghaida almashaan maha alhamdan 2. Start studying amalgam class i amalgam preps cavity form. Baseline of a defective amalgam margin of the palatal cusp of a second upper molar. Pdf operative dentistry principles of cavity preparation. Placing the preparation margins in places they will occupy in the final restoration. Scribd is the worlds largest social reading and publishing site. Mechanical basis for the preparation of class ii cavities for amalgam fillings in deciduous molars. Instruments used for cavity preparation and restoration.
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