Dental Incompetent lips refer to A Inability of the Lips to cover the incisors in the mandibular relaxed position B Inability of the lips to cover the incisors in occlusion C The lips come in between the upper and lower incisors D Tongue thrusts against the Lips during swallowing 💡 Explanation Incompetent lips refer to ✓ Correct Answer: A. Inability of the Lips to cover the incisors in the mandibular relaxed position