• To compare patients who will undergo orthodontics treatment involving upper premolar extraction for space of time whether with or without corticotomy by Piezotome.
• Assess the safety of both methods of retraction in regard to the quality of the surrounding periodontium and roots of anterior teeth.
• Monitor postoperative pain.

Inclusion Criteria:

• On the basis of the diagnosis of the malocclusion, individuals who have Class I and Class II malocclusions and requiring extraction of premolars and retraction of anterior teeth will be selected (maxillary/mandibular or both).
• Good oral hygiene, healthy gingiva and no evidence of bone loss as seen in radiograph.
• Healthy systemic conditions.
• No previous orthodontic treatment.
• Patient needs to be in permanent dentition (hence, we need to define their age range).

Exclusion Criteria:

• Patient with systemic disease.
• Patient having any signs of active periodontal disease.
• Patients on long-term corticosteroid therapy.
• Persons taking medications that slows down bone metabolism.
• Craniofacial anomalies.

After publication, data can be shared with others upon request via email to the corresponding author.