clasps can make use of undercuts existing in following areas, except:
A.buccal b.lingual c.mesial d. Occlusal
following are possible options of clasping for a diagonal survey line, except:
A. L or t bar clasp
b. Hair pin clasp
c. Extended clasp arm
d. Ring clasp
when a low survey line is found , additional retention for removable partial denture can be obtained through following methods, except :
A. Using proximal undercuts
b. Using extended clasp arm
c. Crowning the tooth
d. Making the retentive arm thick
main disadvantage of unilateral removable partial denture is:
A. Less retention
b. Less esthetics
c. Less stability
d. Less masticatory efficiency
tow-part dentures are useful when:
A. Buccal and lingual undercuts are in excess
b. Buccal undercuts is unapproachable
c. Proximal undercut exsits in relation to unilaterall denture
d. Patient is unable to insert one denture
every denture:
A. Is otherwise called part denture
b. Is otherwise called claspess denture
c. Is otherwise called precision plastic base denture
d. Is otherwise called tow-part denture
following are components of unilateral denture concept, except :
A. Occlusal rests
b. Denture base
c. Major connector
d. Cast gold clasp
one of the following statements is true :
A. Longer the vertical degree of engagement for a given degree of horizontal engagement, the more efficient will be the clasp.
B. Shorter the vertical degree of engagement for a given degree of horizontal engagement ,the more efficient will be the clasp
c. Longer the horizontal degree of engagement for a given degree of vertical engagement ,less efficient will be the clasp
d. Shorter the horizontal degree of engagement for a given degree of vertical engagement , less efficient will be the clasp
normal palatal thickness for acrylic complete denture is :
A. 1.5 mm
b. 2 mm
c. 2.5 mm
d. 4 mm
during processing of acrylic for complete denture it is advisable to use_____ instead
of petrolatum, on the inner surface of the flask :
A. Tin foil
b. Cold mold seal
c. Silicone mold release
d. Cellophane paper
after polishing , the denture are placed in fresh water for few hours :
A. To permit water adsorption by resin
b. To permit cleaning of denture
c. To allow leaching out of residual monomer
d. 'a' and 'c'