PPT-CLASS II AMALGAM RESTORATIONS

A Class II preparation No 245 Bur Pear shaped bur No 330 INITIAL DEPTH Initial depth is 15 mm from the central pit or 0205 mm into dentin or 2mm from the prepared buccal and lingual walls. Dr . Rakesh. Kumar . Yadav. INTRODUCTION. Most of the teeth can be restored with amalgam and composite but if large crown portion lost due to caries or some other reasons, the remaining tooth structure is decrease and difficult to obtained resistance and retention form so prepare dentine lock and slot but when these retention features are insufficient to provide desired retention then pin supported restorations are used. . Signature or Patient or Guardian if a Minor Date Class I Amalgam Restoration. Conservative Approach. Cavity width : . ¼ intercuspal distance (1 – 1.5 mm).. Depth : . 1.5 – 2 mm. Indications. Moderate to large restorations.. Restorations that are not in . why. it is . banned. in . Norway. Dental amalgam. Anette. . &. Jenny. Scandinavia. ban . the. . use. . of. amalgam. In 1998 proposed a law that would gradually discontinue the use of mercury. Introduction. Dental . amalgam has been in use for more than 175 years and has been used for hundreds of millions of restorations. .. This . material is used to restore teeth with . decay.. It . is one of the materials used for direct restorations include, silver amalgam, composite resin and gold foil.. How should dental items be used?. Should be organized and placed in proper sequence. After use, is returned to same place on tray in case it is used again. Main Parts of Dental Hand Instruments. Blade: . Implications for Public Policy, Environmental Justice, and Public Health Education. -By Mark Mitchell M.D., MPH. Minamata Treaty Goal. Why is Mercury Exposure a Problem?. Minamata Treaty Requirements. of mercury dental amalgam. G T Arotiba. .. INTRODUCTION. MERCURY DENTAL AMALGAM POLLUTION. MODERN CARIES MANAGEMENT PATHWAYS /MINIMUM INTERVENTION DENTISTRY. INTRODUCTION . Lagos - Sub-Saharan Africa’s only megacity- 18 million+ . Dr.. Theodoros Mechteridis DDS. Minamata. Convention on Mercury. World-wide environmental concerns over mercury led the United Nations Environmental Programme (UNEP) to draw up the . Minamata. Convention on Mercury. Dr. . . KaramAhmed. Operative Dentistry. Conservative Dentistry. It’s the art and science of . diagnosis,. . treatment. and . prognosis. of defects of teeth. Such treatment should result in:. Goals. Assistant Professor,. Conservative Dentistry & Endodontics. Overview. History. Basic composition. Basic setting reactions. Classifications . Manufacturing. Variables in amalgam . performance. History . Amalgam adalah suatu alloy, air raksa dengan satu atau beberapa logam lain. Pada suhu kamar air raksa didapati berbentuk cairan, titik bekunya adalah -39ᵒC. Dapat segera mengalami reaksi amalgamisasi dengan logam seperti perak, tin, cuprum menghasilkan suatu bahan yang padat.. The retentive Macro-Lock Post Size #1 was able to accommodate the vacant space, leaving relatively low cement thickness.. . This post system was selected because of the anatomic taper in the apical sections, and the reported flexural strength of this post. . 1. 2. 3. 4. INITIAL DEPTH. 5. OUTLINE FORM FOR MANDIBULAR FIRST MOLAR. 6. Outline Form. Establishing outline form means:. 1) Placing preparation margins in positions they will occupy in the final preparation except for finishing enamel walls and margins..