Abstract
Introduction: Malocclusion can cause dental caries, periodontal disease and aesthetic problems. Malocclusion is the most common dentofacial abnormality found in human population. However, the awareness for orthodontic treatment is increasing.
Objective: The aim of this research was to evaluate pattern of malocclusion in patients undergoing orthodontic treatment at Nobel Medical College Teaching Hospital of Biratnagar, Nepal.
Methods: Two hundred and eighty preoperative study casts (2018 Jun to 2020 Jun) of orthodontic patients aged from 12-55 years were selected from 680 patient’s records of department of orthodontics of Nobel Medical College Teaching Hospital, Biratnagar. Standard protocol of Angle’s classification of malocclusion was used to classify malocclusion and its traits were recorded. Data were entered in Microsoft Excel and descriptive statistics were calculated.
Results: The prevalence for malocclusion were 59.65% (167) of Angle’s class I, 35.71% (100) of Angle’s class II and 4.64% (13) of Angle’s class III malocclusion. Among various attributes of malocclusion, deep bite was the most common trait (188, 67.14%). Increased overjet was found in 169 (60.35%) subjects. Crowding and spacing were found in 164 (58.57%), and 109 (38.92%) respectively.
Conclusion: Angle’s class I malocclusion is most prevalent malocclusion seen followed by Angle’s class II and Angle’s class III.
References
Proffit W, Field H, Sarver D. Contemporary orthodontics, 5th ed. St. Louis: Mosby; . Chapter 1:2-18.
Houston WJ, Stephens CD, Tulley WJ. A Textbook of Orthodontics, 2nd ed. Oxford: Wright; 1993.
Bishara S. Textbook of Orthodontics. 1st ed. Philadelphia: Saunders: 2001
Tang El, Wei SH. Recording and measuring malocclusion: A review of the literature. Am J Orthod Dentofacial Orthop. 1993 Apr;103(4):344-51.
Keski-Nisula K, Lehto R, Lusa V, Keski-Nisula L, Varrela J. Occurrence of malocclusion and need of orthodontic treatment in early mixed dentition. Am J Orthod Dentofacial Orthop. 2003 Dec;124(6):631-8.
Brunelle JA, Bhat M, Lipton JA. Prevalence and distribution of selected occlusal characteristic in the us population.,1988-91. J Dent Res. 1996 Feb 1;75(2):S706-13.
Foster TD, Day AJ. A survey of malocclusion and the need for orthodontic treatment in a shropshire school population. Br J Orthod. 1974 Apr;1(3):73-8.
Pandey BR, Singh S, Singh R, Mishra R, Mishra S, Ghart B. Pattern of malocclusion in patients seeking orthodontic treatment at medical colleges and teaching hospitals of chitwan, nepal. Orthod J Nepal. 2018;8(2):41-4.
Rahman MM, Jahan H, Hossain MZ. Pattern of malocclusion in patients seeking orthodontic treatment at dhaka dental college and hospital. Ban J Orthod Dentofac Orthop. 2013 Apr:3(2):9-11.
Acharya A, Bhattarai B, George D, Bhagat T. Pattern of malocclusion in orthodontic patients in south-eastern region of nepal. Orthod J Nepal. 2017;7(1):7-10.
Piya A, Shrestha BV, Acharya J, Khanal S, Bhattarai P. Pattern of distribution of malocclusion among patients seeking orthodontic treatment at dental college - Nepal medical college. J Nepal Dent Assoc. 2013;13(2):36-41.
Sharma JN. Pattern of distribution of malocclusions in patients seeking orthodontic treatment at bpkihs from sunsari district of nepal. Health Renaissance. 2010;8(2):93-6.
Parajuli U, Tuladhar SL, Bajracharya M, Pandey M. Prevalence of malocclusion and evaluation of orthodontic treatment need amongst patients in pokhara, nepal. Orthod J Nepal. 2018;8(1):7-10.
Erum G, Mubassar F. Pattern of malocclusion in orthodontic patients: A hospital-based study. J Ayub Med Coll Abbottabad. 2008 Jan-Mar;20(1):43-7.
Rita SN, Hasan M, Dhar PP, Abrar MH, Sadat SM. Pattern of malocclusion in patients attended in orthodontic department of a tertiary level hospital. J Bangladesh Coll Phys Surg. 2019 Jul;37(3):119-23.