The roots of the abutment and the supporting tissues should be evaluated for the factors 1) Crown-root ration 2) Root configuration 3) Periodontal surface area 4) All of the above
ProsthodonticsAnswer: 4
To produce "S" and "Sh" the tongue makes contact with the 1. Anterior 1/3rd of the palate 2. Middle 1/3rd of the palate 3. Molar and premolar 4. None of the above
ProsthodonticsAnswer: 1
Centric relation is best defined as 1) The relation of the mandible to the maxillary when the teeth are in centric occlusion 2) The retruded contact position (RC) 3) The relation of the mandible to the maxilla when the condyles are in their most posterior position in the glenoid fossae 4) None of the above
ProsthodonticsAnswer: 3
A partial denture used to increase the vertical dimension of occlusion on a temporary basis, while the results of the increase can be observed, is termed
1. a treatment denture
2. an interim denture
3. an immediate denture
4. a transitional denture
ProsthodonticsAnswer: 1
For posterior abutment with acceptable crown root ratios, average crown length, normal aesthetic requirement, retainer of choice is 1) Full crown 2) Partial veneer crown 3) Resin veneer 4) PFM
ProsthodonticsAnswer: 2
Risk of leaving unsupported enamel is highest with which type of gingival finish
1. Shoulder
2. Chamfer
3. Shoulder with bevel
4. Bevel
ProsthodonticsAnswer: 2
The walls of full crown preparation should 1) Be parallel 2) Angle of convergence 5 degrees 3) Angle of divergence 5 degrees 4) Roughened to increase retention
ProsthodonticsAnswer: 1
Lingual cusp of a maxillary molar is reduced when deflective occlusal contacts 1) Occur only in centric relation 2) Occur only in eccentric relation 3) Occur in both centric relation as well as lateral movements 4) Supporting cusps should not be reduced
