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. V Black believed that amalgam should consist of 67 silver 27 tin 5 copper and 1 zinc LowCopper Traditional Conventional Amalgam Composition Silver 60 Tin 29 Copper 6 Zinc 2 General Setting Reaction When lowcopper amalgam is triturated It was just one type of metallic restoration others included hammered gold leaf or lead the latter placed while molten Right from the start the use of amalgam was controversial Mercury was known to be toxic and the technique of inserting amalgam see 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 . Resin . Cements. . Dr. Rui . Franco. 27 July 2015. Introduction. Objectives. Resin Cements – State of the Art;. Cementing Technique in Indirect Composite Restoration:. Polymerization type; . Adhesive System.. Annemai Haak. STOM V. Suu- ja hambahaigused III. Indications:. Filtek Z250 Universal. Microhybrid. Z. irconia/silica. fillers. F. iller. . loading is 60%. Most used dental material in Estonia over 10 years. 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. Dr. S. Mukhtar-un- Nisar Andrabi. Assistant Professor. . Conservative . Dentistry & Endodontics . Contents. Introduction . Historical Perspective. Indications & Contraindications . Advantages & Disadvantages . Syed. . Mukhtar. Un . Nisar. . Andrabi. Introduction . Complex posterior restorations are used to replace . missing tooth . structure of teeth that have fractured or are . severely involved . with caries or existing restorative material. Assistant Professor,. Conservative Dentistry & Endodontics. Overview. History. Basic composition. Basic setting reactions. Classifications . Manufacturing. Variables in amalgam . performance. History . Powder: the alloy powder composed of :. 1- sliver . : 40-70% . Gives strength . High expansion of the restoration. 2- Tin . 20-30%. Increase affinity for mercury. speed of amalgamation. Increase the flow of the amalgam . 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..