Study of prevalence and pattern of impacted mandibular third molar in a tertiary care centre: A retrospective study

Manoharapandian Parvatha Varthini; Ramaiah Manjunathmandhiradoss; Dinakaran Gokul; Thommeni Maria Singam; Francis Ajay

doi:10.53730/ijhs.v6nS4.11700

Authors

Manoharapandian Parvatha Varthini Senior Assistant professor, Thoothukudi Government Medical College and Hospital, Thoothukudi, Tamilnadu, India / affliated to Tamilnadu Dr.M.G.R.Medical University, Guindy, Chennai, Tamilnadu, India
Ramaiah Manjunathmandhiradoss Senior Assistant professor, Thoothukudi Government Medical College and Hospital, Thoothukudi, Tamilnadu, India / affliated to Tamilnadu Dr.M.G.R.Medical University, Guindy, Chennai, Tamilnadu, India
Dinakaran Gokul Assistant Professor, Thoothukudi Government Medical College and Hospital, Thoothukudi, Tamilnadu, India / affliated to Tamilnadu Dr.M.G.R. Medical University, Guindy, Chennai, Tamilnadu, India
Thommeni Maria Singam
kotagirilion@gmail.com
Senior Assistant professor, Thoothukudi Government Medical College and Hospital, Thoothukudi, Tamilnadu, India / affliated to Tamilnadu Dr.M.G.R. Medical University, Guindy, Chennai, Tamilnadu, India
Francis Ajay Assistant professor, Thoothukudi Government Medical College and Hospital, Thoothukudi, Tamilnadu, India / affliated to Tamilnadu Dr.M.G.R. Medical University, Guindy, Chennai, Tamilnadu, India

Keywords:

third molar, impaction, Winter’s classification, Pell and Gregory classification, dry socket, trismus

Abstract

Aim: To study the prevalence, pattern and postoperative complications of impacted third molars based on Pell and Gregory and Winter's classification. Methods: This retrospective study was undertaken on 300 patients in the Thoothukudi Government medical college hospital in the department of dental surgery. Patients diagnosed with impacted mandibular third molars and treated surgically under local anesthesia were included in the study. Patients with incompletely formed roots, absence of adjacent second molar were excluded. The data collected were analyzed by applying descriptive statistics. Results: The most common type of impaction was mesioangular (n=135, 45%) followed by vertical (n=100, 33.3%) and horizontal impaction (n=34, 11.3%).The majority of the cases were class II A (n=98, 32.6%), class I A (n=72, 24%), while there were minimal cases in class III B and III C. Conclusion: Recurrent pericoronitis was the most frequently reported reason for surgical removal of mandibular third molars. The postoperative infection rate was 3.6%, though the patient had undertaken antibiotics postoperatively. The use of corticosteroids can decrease the severity of postoperative sequelae in many patients.

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