Restorative & Materials · single question
An alternative to retention grooves in Class V preparations is retention coves placed at:
Show answer and explanation
Correct answer: D. Each of the four axial point angles
Retention coves are oval-shaped undercuts placed at each of the four point angles (axio-incisal-mesial, axio-incisal-distal, axio-gingival-mesial, axio-gingival-distal). This technique provides secondary retention while being conservative of tooth structure u2014 preferred when prep is close to the pulp.
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