Effect of Low-level Laser Therapy on Orthodontic Tooth Movement

Inclusion Criteria: * Skeletal class I or mild class II malocclusion, * No untreated decayed teeth, * Normodivergent skeletal pattern, * Fully erupted maxillary first and second molars, * Male and female individuals between the ages of 16 and 22, * Extracted or congenitally missing maxillary third molars, * Non smoker, * No alveolar bone loss or periodontal disease, * Bilateral class II molar relationship, * Absence of crowding or spacing in the posterior region, * Adequate oral hygiene. * No drug usage that may have an impact on the biology of tooth movement (Example; Non-steroidal anti-inflammatory drugs- NSAIDS) Exclusion Criteria: * • Hypodivergent or hyperdivergent skeletal pattern, * Alveolar bone loss or periodontal disease, * Systemic illnesses that might affect bone metabolism, * Any drug use that may have an impact on the biology of tooth movement (Example; Non-steroidal anti-inflammatory drugs- NSAIDS), * Inadequate oral hygiene, * Unilateral class II molar relationship, * Smoker, * Severe class II skeletal malocclusion (ANB\>7°), * Crowding or spacing in the posterior region, * Missing maxillary second molars, * Existence of maxillary third molars, * Having untreated decayed teeth.