Dental Orthodontically treated midline diastema is best retained by: A Hawley's appliance for 6 months B Hawley's appliance for 12 months C Bonded lingual retainer D No need for retainer as it is self-retained 💡 Explanation Orthodontically treated midline diastema is best retained by: ✓ Correct Answer: C. Bonded lingual retainer