Which are the ways in which the proximal contacts can be checked?
a. Use a pencil.
b. Use a shim stock.
c. Use a silicone checker.
d. Use a dental floss.
e. Only b & d. ***
A total of 969 proximal contacts in forty volunteer subjects was examined for proximal contact integrity with shim stock. It passed uninhibited through 88% of the contacts. Neither sex nor age affected the evaluation; however, shim stock was more likely to pass through contacts with enamel surfaces than those which were restored.
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Prostho fixed