The porcelain teeth are..............bonded, whereas acryclic teeth are.............. bounded to the acryclic denture base 1. Chemically; chemically 2. Mechanically; chemically 3. Chemically; mechanically 4. Mechanically; mechanically
ProsthodonticsAnswer: 2
A reverse 3/4th crown is indicated some times on lower molars 1) Because facial surface is more retentive than the lingual surface 2) Axial inclination of the tooth dictates more tooth reductio 3) Because reverse 3/4th is more aesthetic than a conventional 3/4th crown 4) Because it is easy to prepare
ProsthodonticsAnswer: 2
The best criterion for teeth selection is 1) Past photographs 2) Pre extraction records 3) Study models 4) None of the above
ProsthodonticsAnswer: 2
Most suitable pontic for maxillary posterior area 1) Trupontic or long pin pontic 2) Sanitary pontic 3) Flat back pontic with porcelain facing 4) Pin facing pontic
ProsthodonticsAnswer: 1
Planning for RPD starts 1) At the time of examination 2) After examination 3) After impressions are made 4) When taking jaw relation
ProsthodonticsAnswer: 1
Occlusal interferences in the existing natural dentition are corrected prior to fabrication of a partial denture because 1) Prevent fracture of the connector and retained joint 2) Decrease the amount of adjustment necessary after insertion 3) Prevent duplication of deflective occlusal contacts in the resorption 4) None of the above
ProsthodonticsAnswer: 3
For the preparation of the rest seat in the marginal ridge of a molar tooth which is reduced by 2 mm to achieve the correct width of the rest seat. The marginal ridge is then rounded in order to 1) Reduce the chances the fracture of the metal rest 2) Decrease food impaction 3) For better distribution of the vertical load 4) Better clasp retention
ProsthodonticsAnswer: 1
Training groove is placed in the lower denture 1) To train the patient"s tongue position 2) In cases of mandibulectomy 3) To train the orbicularis oris muscle 4) To train tognetic patients
