INBDE Integrated National Board Dental Exam Prep Set 2

Answer: D - A band of muscles that attach the lips, tongue, and cheeks to the alveolar ridges is called the frenum. When surgical intervention is needed from trauma or deformity, the procedure is called a frenectomy. Mandible frenum traumas or deformities must be treated immediately to avoid muconginival defect from developing. If a frenectomy is needed in the maxilla, the incisors and laterals must first be erupted.