Complete Cast Crown Preparation Complete Cast Crown is an all metal restoration often used on single posterior teeth as a retainer for a Fixed Partial Denture. It provides greater retention and resistance than any other type of restoration. Steps Depth grooves for occlusal reduction minimum clearance on noncentric cusps 1 mm centric cusps 1.5mm Functional [...]

Fixed Partial Denture – Tooth Preparation Margin Designs Feather edge Conservative of tooth structure Does not provide sufficient bulk Not recommended Chisel Edge Conservative tooth structure Location of margin difficult to control Occasionally on tilted teeth Bevel Removes unsupported enamel, allows finishing of metal Extends preparation into sulcus if used on apical margin Facial margin [...]

Definite Pressure Impressions would press the tissues in the same manner as chewing forces, thus ensuring contact during chewing. Minimal Pressure Impressions nonpressure impression techniques do not exist. Mucostatic Impression is based on Pascal’s Law which state that pressure on a confined liquid will be transmitted thorughout the liquid in all directions. Selective Pressure Impression [...]

Factors in Denture Esthetics: 1. Selection and setting of denture teeth. 2. Plane of orientation. 3. Vertical Relation. Long term treatment is essential. Complex treatment plan is not contraindicated to older patients if it is considered an appropriate treatment option. It is necessary to remember that old age is not inevitably associated with ill health.