The greatest potential for wearing exists when the following oppose each other 1) Natural teeth versus natural teeth 2) Porcelian teth versus natural teeth 3) Porcelain teeth versus porcelain teeth 4) Porcelain teeth versus porcelian teeth with gold covering
ProsthodonticsAnswer: 2
Decreased vertical dimension of occlusion (increased interocclusal space) results in all of the following except 1) Loss of muscle power 2) Sagging of the corners of the mouth 3) Senile appearance 4) Increase in the masticatory efficiency
ProsthodonticsAnswer: 4
Broad palatel seal indicates 1) Type A palatal form 2) Type B palatal form 3) Type C palatal form 4) None of the above
ProsthodonticsAnswer: 1
One of the criteria of an ideal occlusion in natural dentition is 1) Maximum contacts of the tips of the cusps only 2) Disocclusion of antrior teeth during mandibular protrusion 3) Disocclusion of posterior teeth on the non-working side in lateral excursion 4) Occlusion of posterior teeth during mandibular protrusion
ProsthodonticsAnswer: 3
An extra coronal retainer should bear 1) Always a passive relationship to the tooth 2) Always an active relationship to the tooth 3) Active relationship to the tooth except when dislodging force is used 4) Passive relationship to the tooth except when a dislodging force is used
ProsthodonticsAnswer: 4
Curve of Space is related to 1. Path of inclination from incisor to condyles 2. Curve of Manson 3. Curve of Wilson 4. All of the above
ProsthodonticsAnswer: 1
Maxillary anterior teeth will produce pleasing effect when 1. Placed directly on the ridge 2. Placed facial to the ridge 3. Placed lingual to the ridge 4. None of the above
ProsthodonticsAnswer: 2
A fixed bridge with pontics rigidly fixed to the retainers provides 1) Strength to the abutments 2) Reduction of stress associated with restoration 3) Aesthetics to the fixed bridge 4) Reciprocation of forces acting on the pontic
