Posted by: Pdfprep
Post Date: January 4, 2021
Which of the following is correct concerning tooth preparation for diastema closure with bonded porcelain restorations?
A . Keep all margins supragingival or equigingival
B . Full crown preparations are best used to close spaces
C . Subgingival interdental margins will allow for improved emergence profiles
D . Mini-wings must always be used to close a black triangle interdentally
Answer: C
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