SDLE (SPLE Dentist) Practice Questions - Saudi Dental Licensure Examination (SDLE SPLE - Dentist) (CBT Via Prometric) Exam

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A general dentist places an amalgam restoration. To minimize marginal breakdown, what is the recommended cavosurface margin angle for an amalgam preparation?

Approximately 45 degrees (bevelled) in this setting Approximately 90 degrees (butt joint) Approximately 135 degrees (chamfer) in this setting An undefined feather edge in this setting

Correct Answer:

Approximately 90 degrees (butt joint)

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