# Scaling and root planing: A. Prevent further loss of attachment in deep pockets B. Most effective in reducing pocket depth than surgical means C. More successful in posterior than anterior tooth D. Same as curettage The correct answer is A. Prevent further loss of attachment in deep pockets. Of all clinical dental procedures, subgingival scaling and root planing in deep pockets are the most difficult and exacting skills to master. It has been argued that such proficiency in instrumentation cannot be attained, and therefore periodontal surgery is necessary to gain access to root surfaces. Others have argued that although proficiency is possible, it need not be developed because access to the roots can be gained more easily with surgery. However, without mastering subgingival scaling and root-planing skills, the clinician will be severely hampered and unable to treat adequately those patients for whom surgery is contraindicated. Scaling and root planing alone are effective ...