Red generalised erythematous area appearing on the crest of the ridge two days after wearing a new complete denture can be attributed to 1) Overextension of the borders 2) Underextension of the borders 3) Deflective occlusal contacts 4) All of the above
ProsthodonticsAnswer: 3
Proper lip support for complete denture is provided primarily by 1. Convex surface of labial flange 2. Facial surface of teeth and simulated gingival 3. Thickness of border in the vestibule 4. Fetooned carvings on facial surface
ProsthodonticsAnswer: 2
The difference between the widths of palatal strap and a palatal bar major connector, is that, the width of
1. strap should not be less than 12 mm
2. bar should not be more than 5 mm
3. strap should not be less than 8 mm
4. bar should not be more than 10 mm
ProsthodonticsAnswer: 3
Registering centric relation for a mandibular bilateral distal extension denture is achieved by 1) Framework carrying wax occlusal rims attached to it 2) Shellac plate carrying wax occlusal rims 3) Acrylic base plate and wax occlusal rims 4) Modified impression paste
ProsthodonticsAnswer: 1
All of the following landmarks are included while making a postdam for maxillary arch except 1) Pterygomaxillary notch 2) Hamular process 3) Fovea palatina 4) Vibrating line
ProsthodonticsAnswer: 2
The clasps for partial denture should be made of 1) Gold 2) Iridioplatinum 3) Platinum 4) Silver
ProsthodonticsAnswer: 1
One of the most important function of the clasp besides retention is 1) Contralateral stabilities of the RPD 2) Distribution of stresses to abutment tooth 3) Both of the above 4) None of the above
ProsthodonticsAnswer: 2
The primary function of partial denture rests is to
1. prevent extrusion of the abutment teeth
2. help establish a more acceptable occlusal plane
3. prevent food impaction between minor connector and the teeth
4. transfer the forces on the prosthesis down the long axis of the abutment teeth
