Regarding tissue retraction around tooth:
a. Short duration of retraction of gingival margin during preparation of finishing line.
b. Retraction of gingival margin during taking final impression to take all details of unprepared finish line.
c. Usually retracted severely inflamed gingival margin.
d. Retraction of gingival margin can be done by many ways one of them is retraction cord.
e. A, b and c.
f. B, c and d.
g. A and d.***
a. Short duration of retraction of gingival margin during preparation of finishing line.
b. Retraction of gingival margin during taking final impression to take all details of unprepared finish line.
c. Usually retracted severely inflamed gingival margin.
d. Retraction of gingival margin can be done by many ways one of them is retraction cord.
e. A, b and c.
f. B, c and d.
g. A and d.***
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