When RPD is not in function, the terminal portion of the retentive arm should be 1) Rigid always whether in function or not 2) Passive and apply no pressure on abutment teeth 3) Active and apply a continuous pressure on abutment 4) Away from the abutment
ProsthodonticsAnswer: 2
Scoring of palatal bar is 1) Limited to the area of soft displaced tissue 2) To increase the rigidity of the connector 3) Done on the entire posterior border of the bar 4) Done on the entire anterior border of the bar
ProsthodonticsAnswer: 1
Distal extension RPD is 1) Both tissue and both tooth borne 2) Tooth borne 3) Class III condition 4) Class IV condition
ProsthodonticsAnswer: 1
The porcelain teeth are..............bonded, whereas acryclic teeth are.............. bounded to the acryclic denture base 1) Chemically; chemically 2) Mechanically; chemically 3) Chemically; mechanically 4) Mechanically; mechanically
ProsthodonticsAnswer: 2
Thick pasty increased salivation seen in new complete denture wearer is mainly due to 1) Reflex parasympathetic stimulation of the salivary gland 2) Hypersensitivity to denture base 3) Reflex sympathetic stimulation of the salivary glands 4) All of the above
ProsthodonticsAnswer: 3
The preferred shape of the occlusal rest seat on the natural posterior teeth 1) Definite box shaped 2) Spoon or saucer shaped 3) Convex shaped 4) None of the above
ProsthodonticsAnswer: 2
Main disadvantage of PFM restoration is 1) Excessive tooth reduction 2) Porcelain is very brittle 3) PFM restoration is unaesthetic 4) All of the above
ProsthodonticsAnswer: 3
The stability of the mandibular complete denture is enhanced 1) When the level of the occlusal plane is above the dorsum of the tongue 2) When the tongue rests on the occlusal surfaces of lowers at rest 3) When the lateral borders are extended below the external oblique ridge 4) All of the above