Intraosseus Injection Using Extra-short Needle Combined With Infiltration in Pediatric Patients With Molar Incisor Hypomineralization

Inclusion Criteria: * Healthy children, American Society of Anesthesiologists class I, II * Cooperative children during preoperative assessments according to the Frankl' * Behavioral Rating Scale (scores 3 or 4) * Patient presenting with at least one hypersensitive SCASS 2,3 \[22\] (Appendix III) deeply carious, MIH-affected FPM, with caries extending to the inner third of the dentin and close to the pulp, as shown in the periapical radiograph, consistent with TNI 4c classification for MIH * Written consent of the legal guardian. Exclusion Criteria: * Any physical or mental disability or psychological problems. * Immunocompromised patients. * Hypersensitivity to local anesthetic drugs used. * Taking analgesics or other medications that alter the child's behavior or awareness of pain 12- hours pre-operatively * Patients requiring emergency treatment. * FPM with preoperative signs and symptoms of clinical failure