A middle-aged patient gives history of previous upper dentures remade many times as they are becoming tight within one year. You would suspect 1) Osteitis deformans 2) Temperomandibular pain dysfunction syndrome 3) Diabetes mellitus 4) Psychological problems
ProsthodonticsAnswer: 1
The precision attachment under masticatory stresses against the partial denture 1) Directs all stresses parallel to the long axis of the tooth 2) Directs and engages all fibres of the peridental ligaments 3) Lacks allowance for sufficient tooth movement 4) Tends to torque the tooth
ProsthodonticsAnswer: 2
Perleche associated with cheilosis results from 1) Decreased vertical dimension of occlusion 2) Riboflavin deficiency 3) Candida infection 4) All of the above
ProsthodonticsAnswer: 4
As lower denture settles down due to ridge resorption, the effect is a 1) Prominent chin 2) Receded chin 3) Deepening of mentolabial sulcus 4) Deepening of nasolabial fold
ProsthodonticsAnswer: 1
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
The anterior border of the palatal major connector should follow 1) The valleys between the rugae 2) The crests of prominent rugae 3) Both the crests and valleys 4) None of the above
ProsthodonticsAnswer: 1
In the mandibular posterior region, which of the following design is indicated for the pontic in the fixed bridge 1) Spheroidal 2) Modified ridge lap 3) Ridge lap 4) Conical
ProsthodonticsAnswer: 1
Epulis fissuratum and papillary hyperplasia seen in complete denture wearing patients is due to 1. Overextension of the labial flange and improper relief of the maxillary denture 2. Improper relief of maxillary denture and overextension of the labial flange 3. Improper relief of the maxillary denture and the absence of anterior contacts in centric relation 4. All of the above
