Metamerism is 1. Operator unable to record the colour 2. Patient has teeth with different shades 3. Various light sources produce different colour preception 4. All of the above
ProsthodonticsAnswer: 3
The disadvantage of circumferential clasp is 1) More tooth surface is covered than with a bar clasp arm because of its occlusal direction of approach 2) More metal display than with bar clasp arm 3) Its half round form prevents edgewise adjustment 4) All of the above
ProsthodonticsAnswer: 4
When teeth are properly set, the lower lip when pronouncing "F" as in word fifty 1. Should tightly contact with the upper lip 2. Should contact lightly with the incisal edges of the upper centrals 3. Should touch the palate posterior to the incisors 4. None of the above
ProsthodonticsAnswer: 2
Problems associated with the patient with a prognathic ridge relationship 1. Teeth arrangement in the upper arch 2. Aesthetic problems 3. Retention of the dentures 4. All of the above
ProsthodonticsAnswer: 4
Width of central incisor as compared to the bizygomatic width is 1) 1:13 2) 1:14 3) 1:15 4) 1:16
ProsthodonticsAnswer: 4
A temporary RPD, used for a short time for reasons of esthetics, masticatory efficiency, or convenience, until a more definitive form of treatment can be rendered, is termed
1. a transitional denture
2. a treatment denture
3. an interim denture
4. a relined denture
ProsthodonticsAnswer: 3
Parallelism between abutments is determined by the 1) Position of the abutments in the arch 2) Long axis of preparation of the abutment 3) Rigidity of the retainers 4) Span of the bridge
ProsthodonticsAnswer: 2
From the diagnostic casts, all of the following information can be gained except? 1) Gingival tissue contour and pocket depths 2) Axial inclination of the tooth 3) Arch form and contour 4) Occlusal interference
