retention form Archive

Steps to obtain proper Retention form in Cavity Preparation

RETENTION FORM: Retention form is that form of cavity that best permits the restoration to resist displacement through tipping or lifting forces, especially masticatory loading. PRINCIPAL MEANS OF GAINING RETENTION: Inverted truncated cones or undercuts. Dovetail. Elastic deformation of dentin e.g. gold foil. Friction ...Read More

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