DENTAL IMPRESSION TRAYS 

Second Stage 

4. lecture 

تتحدث المحاضرة عن شروحات الاساسية في قانون العقوبات من حيث المفهوم وعلاقته بالقوانين الاخرى 

Clasps for tooth-borne partial dentures (Class III, IV) have one function (to prevent dislodgment of the prosthesis without damage to the abutment teeth). These clasps can also be used in modification spaces for tooth - tissue supported removable partial dentures (Class I, II).

Dental material :

Six basic types of maxillary major connectors are considered: Single palatal strap. Combination anterior and posterior palatal strap-type connector. Palatal plate-type connector. U-shaped palatal connector. Anterior-posterior palatal bars. Single palatal bar

The unit of a removable partial denture that connects the various parts of the denture. Its principal functions are to provide unification and rigidity to the denture.

The cultivation of the isolates on MacConky agar, or blood agar

Rest: A rigid component of a removable partial denture which rests in a recessed preparation on the occlusal, lingual or incisal surface of a tooth to provide vertical support for the denture. Although a rest is a component of a direct retainer (retentive unit, clasp assembly), the rest itself is classified as a supporting element due to the nature of its function.

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