Dental The length of tongue spike in tongue thrusting habit breaking appliance should be upto the A Incisal edges of maxillary incisors B Incisal edges of mandibular incisors C Cingulum of mandibular incisors D Cervical margin of mandibular incisors 💡 Explanation The length of tongue spike in tongue thrusting habit breaking appliance should be upto the ✓ Correct Answer: C. Cingulum of mandibular incisors