Volume 6, Issue 3 (10-2017)                   3dj 2017, 6(3): 43-48 | Back to browse issues page

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Gholinia F, Khalighi Sigarudi A, Ghavami Lahij Y. Indications for Prophylactic Removal of Unerupted Asymptomatic Pathology-free Third Molars Referred by Iranian Orthodontists. 3dj 2017; 6 (3) :43-48
URL: http://3dj.gums.ac.ir/article-1-279-en.html
1- Professor, Department of Orthodontics, Faculty of Dentistry, Guilan University of Medical Sciences, Rasht, Iran.
2- Professor, Department of Oral & Maxillofacial Surgery, Faculty of Dentistry, Guilan University of Medical Sciences, Rasht, Iran.
3- DDS, Department of Dentistry, Faculty of Dentistry, Guilan University of Medical Sciences, Rasht, Iran. , yghl90@yahoo.com
Abstract:   (3382 Views)
Introduction: The management of asymptomatic impacted wisdom teeth remains a controversial issue. Although oral surgeons usually extract such teeth, but orthodontists often manage the condition. Because not only majority of orthodontic patients have asymptomatic impacted wisdom teeth but also some of them need to be extracted for orthodontic issues or to complete orthodontic therapy. This study aimed to determine the indications for referral of unerupted asymptomatic pathology free third molar prophylactic removal by Iranian orthodontists.
Materials and Methods: A questionnaire containing 12 panoramic radiographs was prepared and sent to the email inboxes of all orthodontists in Iran. The radiographs were obtained from dental school of Guilan University of Medical Sciences. Kruskal-Wallis test and Mann-Whitney analysis were used to determine the differences in responses to questions about clinicians’ experience, age, sex, and the place of graduation. Level of significance was considered to be 0.05 or less.
Results: In this study, 52 out of 304 orthodontists answered our survey. Out of the total participants, 63.5% were men and 36.5% were women. Mean (SD) age of the study samples was 40.9(8.9) years and their mean (SD) professional practice experience was 10.8(7.8) years. All younger orthodontists (30-39 years old) agreed with the idea of removing the third molar due to lack of space. Most of these orthodontists (91.5%) were graduated from Iran.
Conclusion: The most common reasons of third molar removal are deviation in eruption path, lack of space in posterior region, and lack of antagonist. Mandibular third molar is usually extracted to prevent late anterior crowding. It was found that there was a correlation between referral for tooth removal due to lack of space and the referring clinicians’ sex. Although 21.2% of orthodontists believe that third molar tooth can cause late anterior crowding, only 3.8% of them referred these cases because of this problem. 
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Type of Study: Original article | Subject: So on
Received: 2017/04/12 | Accepted: 2017/07/19 | Published: 2017/10/1

1. Garn SM, Lewis AB, Bonne B. Third molar formation and its developmental course. Angle Orthodontist. 1962; 32(4):270-279.
2. Richardson ME, Dent M. Some aspects of lower third molar eruption. Angle Orthodontist. 1974; 44(2):141-5. doi: 10.1043/0003-3219(1974)044<0141:SAOLTM>2.0.CO;2
3. Rantanen A. The age of eruption of the third molar teeth: a clinical study based on Finnish university students. Acta Odontologica Scandinavica. 1961; 25(Suppl 48):1-86.
4. Garcia RI, Chauncey HH. The eruption of third molars in adults: A 10-year longitudinal study. Oral Surgery, Oral Medicine, Oral Pathology. 1989; 68(1):9–13. doi: 10.1016/0030-4220(89)90107-2 [DOI:10.1016/0030-4220(89)90107-2]
5. Sewerin I, von Wowern N. A radiographic four-year follow-up study of asymptomatic mandibular third molars in young adults. International Dental Journal. 1990; 40(1):24-30. PMID: 2307524 [PMID]
6. Forsberg CM. Tooth size, spacing, and crowding in relation to eruption or impaction of third molars. American Journal of Orthodontics and Dentofacial Orthopedics. 1988; 94(1):57–62. doi: 10.1016/0889-5406(88)90451-9 [DOI:10.1016/0889-5406(88)90451-9]
7. NIH consensus development conference for removal of third molars. The Journal of Oral Surgery. 1980; 38(3):235-6. PMID: 6101618
8. Lindauer SJ, Laskin DM, Tüfekçi E, Taylor RS, Cushing BJ, Best AM. Orthodontists' and surgeons' opinions on the role of third molars as a cause of dental crowding. American Journal of Orthodontics and Dentofacial Orthopedics. 2007; 132(1):43–8. doi: 10.1016/j.ajodo.2005.07.026 [DOI:10.1016/j.ajodo.2005.07.026]
9. Özeç İ, Hergüner Siso Ş, Taşdemir U, Ezirganli Ş, Göktolga G. Prevalence and factors affecting the formation of second molar distal caries in a Turkish population. International Journal of Oral and Maxillofacial Surgery. 2009; 38(12):1279–82. doi: 10.1016/j.ijom.2009.07.007 [DOI:10.1016/j.ijom.2009.07.007]
10. Kim SJ, Hwang CJ, Park JH, Kim HJ, Yu HS. Surgical removal of asymptomatic impacted third molars: Considerations for orthodontists and oral surgeons. Seminars in Orthodontics. 2016; 22(1):75–83. doi: 10.1053/j.sodo.2015.10.010 [DOI:10.1053/j.sodo.2015.10.010]
11. Werkmeister R, Fillies T, Joos U, Smolka K. Relationship between lower wisdom tooth position and cyst development, deep abscess formation and mandibular angle fracture. Journal of Cranio-Maxillofacial Surgery. 2005; 33(3):164–8. doi: 10.1016/j.jcms.2005.01.011 [DOI:10.1016/j.jcms.2005.01.011]
12. Mettes TG, Ghaeminia H, Nienhuijs ME, Perry J, van der Sanden WJ, Plasschaert A. Surgical removal versus retention for the management of asymptomatic impacted wisdom teeth. Mettes TG, editor. Cochrane Database of Systematic Reviews. 2012; (6):CD003879. doi: 10.1002/14651858.cd003879.pub3 [DOI:10.1002/14651858.CD003879.pub3]
13. Brickley M, Kay E, Shepherd JP, Armstrong RA. Decision Analysis for lower-third-molar Surgery. Medical Decision Making. SAGE Publications; 1995; 15(2):143–51. doi: 10.1177/0272989x9501500207 [DOI:10.1177/0272989X9501500207]
14. Tulloch JFC, Antczak-Bouckoms AA. Decision analysis in the evaluation of clinical strategies for the management of mandibular third molars. Journal of Dental Education. 1987; 51:652-60. [PMID]
15. White RP, Proffit WR. Evaluation and management of asymptomatic third molars: Lack of symptoms does not equate to lack of pathology. American Journal of Orthodontics and Dentofacial Orthopedics. 2011; 140(1):10–6. doi: 10.1016/j.ajodo.2011.05.007 [DOI:10.1016/j.ajodo.2011.05.007]
16. Tüfekçi E, Svensk D, Kallunki J, Huggare J, Lindauer SJ, Laskin DM. Opinions of American and Swedish Orthodontists about the Role of Erupting Third Molars as a Cause of Dental Crowding. The Angle Orthodontist. The Angle Orthodontist. 2009; 79(6):1139–42. doi: 10.2319/091708-481r.1 [DOI:10.2319/091708-481R.1]

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