Dental The mandibular labial frenum is a fibrous band that can be influenced by A Incisivus B Orbicularis oris C Caninus and incisivus D Incisivus and orbicularis oris 💡 Explanation The mandibular labial frenum is a fibrous band that can be influenced by ✓ Correct Answer: D. Incisivus and orbicularis oris