The goal of this randomized clinical trial is to compare the effect of LLLT in adolescent patient with class II malocclusion. The main question it aims to answer is:

• is there a difference in the amount of distalization between laser and control groups? Participants will received bony supported distal jet. Researchers will compare laser group with control group to see if there is a difference in amount of distalization between groups.

The aim of the present study is to assess the effect of low level laser therapy on treatment outcomes of bony supported distal jet for correction of 20 orthodontic patients with angle class II malocclusion. enrolled patient is randomly divided into 2 groups laser group and distal screw group. for result assessment dental casts and CBCT are taken before and after completion of distalization. both groups receives Distal Jet supported on 2 paramedian screw with laser therapy for laser group only.

Inclusion Criteria:

• bilateral Angle's Class II malocclusion minimum of 1/4 cusp discrepancy, normal or low mandibular plane (MP) angle cases and no history of serious medical illness

Exclusion Criteria:

• subjects with skeletal Class II with retrusion mandibular profile, vertical growth pattern and steep mandibular plane angle and subjects with shallow or anterior open bite.