Need help with these removable qns for WREB

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supernova2012

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#14 is mobile and depresses and it’s a posterior abutment for RPD. Do you…

a) place a mesial rest only
b) place a full cast clasp around the tooth
c) place a light wrought wire clasp

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Showed picture of MX denture with crack from ant to post. Wants to know why?

a) lab failure
b) not enough vestibule coverage
c) Pt put it in bleach too much
 
When deliver denture, what is most important to patient?

a) adjust occlusion
b) home care instructions
c) tell pt to call you if he has any problems
 
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Showed picture of MX denture with crack from ant to post. Wants to know why?

a) lab failure
b) not enough vestibule coverage
c) Pt put it in bleach too much
consulting PUBMED reveals that immersion of acrylic into to NaOCl (bleach) changes the color of the acrylic as well as decreases its flexural strength, however lab defects could also have a part in the breakage of the denture, so the answer would depend on if you thought the denture acrylic looked abnormally colored compared to the normal pink gingiva.
http://www.ncbi.nlm.nih.gov/pubmed/19708972
 
Thank you , GSKinner, here is another qn

A 5 unit fixed partial denture is being made from #2
abutment, #3 pontic, #4 abutment, #5 pontic and #6
abutment. Where would you put a keyway stress breaker(s

Mesial of #4.
Distal #6.
Distal #4
Mesial and distal of #4
 
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