Dental Catlan’s appliance is given for a period NOT more than 6 weeks because it A Causes attrition of upper anteriors B Causes periodontitis of anteriors C Causes gingival recession in lower anteriors D Causes over eruption of posterior teeth 💡 Explanation Catlan's appliance is given for a period NOT more than 6 weeks because it ✓ Correct Answer: D. Causes over eruption of posterior teeth