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Question 1 of 25
4% Complete
When preparing the proximal box of a Class II amalgam cavity, how far should the facial and lingual proximal walls extend relative to the adjacent tooth?
Remain in contact with the adjacent tooth
Just clear of the contact, by about 0.5 mm
Extend to the facial and lingual line angles of the tooth for self-cleansing margins
Extend at least 2 mm beyond the contact area on both the facial and lingual sides
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Operative Dentistry MCQ Test Paper 21 | MCQs with Answers | Quiz | MCDI