Background: Orthodontic treatment can influence patient’s profile and aesthetics, especially when extractions and extensive anterior retraction are involved. The present study was conducted to evaluate the esthetics outcome after extraction or non extraction orthodontic treatment in class II div I malocclusion patients.  Materials & Methods: The present study was conducted on 68 females patients undergoing orthodontic treatment. Patients were divided into 2 groups of 34 each. Group I were those who underwent premolar extraction and group II were those without premolar extraction. Patients were subjected to lateral cephalograms. Parameters such as nasolabial angle, mento- labial angle, z angle, N- Sn- Pog, sulcus- superious- E line, sulcus- inferious- E line were assessed and compared inn both groups. Results: There was significant difference in pre- treatment and post- treatment values of nasolabial angle, z angle and sulcus- inferious- E line. Mento- labial angle, N- Sn- Pog and sulcus- superious- E line showed non- significant difference (P> 0.05). Conclusion: Authors found there was significant difference in pre- treatment and post- treatment values of nasolabial angle, z angle and sulcus- inferious- E line in extraction and non- extraction groups.
Key words: Nasolabial angle, Orthodontics, sulcus- inferious- E line

Received: 17 May, 2018                                   Revised: 22 May, 2018                              Accepted: 27 May, 2018

Corresponding author: Dr. Nameeta Kaur, Assistant Professor, Department of Orthodontics, Government Dental College, Srinagar

This article may be cited as: Kaur N. Assessment of esthetics outcome after extraction or non extraction orthodontic treatment in class II division I malocclusion patients- A comparative study. Int J Res Health Allied Sci 2018; 4(3):116-118.