Dental If the maxillary right second molar is treated successfully the distal furcation involvement can best be kept plaque free by using: A Dental Floss B Perio aid C Stimudent D Rubber tip stimulator 💡 Explanation If the maxillary right second molar is treated successfully the distal furcation involvement can best be kept plaque free by using: ✓ Correct Answer: B. Perio aid