What is the relationship of the retentive portion of the partial dentures retainers to the survey line of abutment: A. Gingival /Below/ B. Occlusal /Above/ C. No relation

What is the relationship of the retentive portion of the partial dentures retainers to the survey line of  abutment:
A. Gingival /Below/
B. Occlusal /Above/
C. No relation
by

1 Answer

Answer :

A. Gingival /Below/
by

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