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Principles of Occlusal Practice In Simple Restorative Dentistry

Why Clinical occlusion should be studied?. Most dental treatments involve occlusal surfaces of teeth.Avoid either over or under treatment. Provide therapeutic and successful dental treatment for patients. Reduce the risk of failure. The masticatory system is made up of: Teeth.Periodontal tiss

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Principles of Occlusal Practice In Simple Restorative Dentistry

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    1. Principles of Occlusal Practice In Simple Restorative Dentistry Dr Wael AL-Omari BDS;MDent.Sci.;Ph.D.

    2. Why Clinical occlusion should be studied? Most dental treatments involve occlusal surfaces of teeth. Avoid either over or under treatment. Provide therapeutic and successful dental treatment for patients. Reduce the risk of failure

    3. The masticatory system is made up of: Teeth. Periodontal tissues Articluatory system

    12. Dynamic Occlusion Def.: Occlusal contacts during the mandibular movements relative to the maxilla. Mandible movements are guided by muscles, teeth, and TMJ. Posterior guidance = TMJ Determined by intra-articular disc and articulatory surfaces of glenoid fossa Anterior guidance = Teeth. Any teeth contacts during eccentric movements.

    13. Anterior Guidance Classified into: I- Canine guidance II- Group function (contacts are shared by several teeth on the working side) Group function vs working side interferences. More Ideal if anterior guidance on front teeth.

    23. Non Working Side Occulsal Interferences

    24. Protrusive occlusal interference

    35. General Recommendations EDEC (examine design, execute, check) Rule. Examine and record occlusion at preoperative stage. Design where to place the point contacts on the restoration (tripodal) Remove heavy point contacts on the inclines and restoration margins Re-establish the preoperative occlusal contacts at the same intensity and poitions.

    36. Avoid both static and dynamic occlusal contacts with the margins of the restoration

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