The tactile threshold of the natural teeth during axial loading is 1) 0.001-0.01 N 2) 0.01-0.10 N 3) 0.10-0.50 N 4) 1-2 N
ProsthodonticsAnswer: 4
The term arcon was coined by 1) Bergstrom 2) Hanau 3) Gillis 4) Fish
ProsthodonticsAnswer: 1
The T-clasp is used when the
1. useable undercut is located on the side of the tooth away from the edentulous space
2. approach arm must bridge a soft tissue undercut
3. height of contour on the abutment tooth is dose to the occlusal surface
4. retentive undercut on the abutment tooth is located adjacent to the edentulous space
ProsthodonticsAnswer: 4
The purpose of removable partial dentures is
1. maintaining or improving phonetics
2. establishing or increasing masticatory efficiency
3. developing and restoring esthetics
4. all of the above
ProsthodonticsAnswer: 4
Instability of the distal extension denture bases in properly designed clasps is due to 1) Overextension of the flanges 2) Deflective occlusal contacts 3) Improper clasp retention 4) None of the above
ProsthodonticsAnswer: 2
A patient has his upper incisors replaced by a RPD. Whistling sound when patient is trying to speak is due to all of the following except 1) Excessive deep bite 2) Palatally placed incisors 3) Excessive overjet 4) Insufficient overbite
ProsthodonticsAnswer: 1
The inter-arch distance measure when the occlusal rims are in uniform contact is 1) Freeway space 2) Vertical dimension of occlusion 3) Vertical dimension of rest 4) Christensen"s space
ProsthodonticsAnswer: 2
All of the following combinations can be used for restoring the missing teeth except 1) Porcelian opposing porcelian 2) Acrylic opposing acrylic 3) Porcelian teeth opposing teeth with gold covering 4) Porcelain versus acrylic teeth
