Regular Mastication , Proper Tooth shape with correct contour , regular salivary flow is also require for to prevent buildup by washing action , Probably oral flora has less role in calculus buildup as its build up due to surface roughness. So these A , B , D and E options helps to prevent calculus formation.
Now only left with C, Now tooth inclination and crowding infact promotes calculus formation as thet make area difficult for regular cleaning so Option C does not prevent the calculus formation. : These is what i feel. Corrections in this ans are welcome.
The term tugback is related to : “When used in connection with a
master Gutta Percha cone in endodontics”
A. Tensile strength of the gutta percha
B. Consistency of gutta percha
C. Size of the cone
D. Fit of the cone in the apical 1 or 2 mm
E. Length of the cone
Why do you construct a lower removable partial denture with lingual bar
A. It is used when the space between raised floor, mouth and gingival margin is minimal
B. Plaque accumulation is less than lingual plate
C. Should be make thicker when short
If a deaf patient wants to communicate with you in
the middle of scaling procedure, the best thing to do is
A.use over gloves to communicate with paper and pencil
B.pull mask down with exam glove so he can read your lips
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