Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
권호 표지
DOI QR코드

DOI QR Code

Three-Dimensional Evaluation of Impacted Mesiodens Using Dental Cone-Beam Computed Tomography in Korean Children and Adolescents

치과용 cone beam CT를 이용한 한국인 소아 및 청소년의 매복 정중과잉치에 대한 3차원적 분석

  • Kim, Sang-Duk (Department of Dental Hygiene, Dong-A Injae University) ;
  • Lee, Sang-Ho (Department of Pediatric Dentistry, College of Dentistry, Chosun University) ;
  • Lee, Nan-Young (Department of Pediatric Dentistry, College of Dentistry, Chosun University) ;
  • Jeon, Sang-Yun (Department of Pediatric Dentistry, College of Dentistry, Chosun University)
  • 김상덕 (동아인재대학교 치위생과) ;
  • 이상호 (조선대학교 치의학전문대학원 소아치과학교실) ;
  • 이난영 (조선대학교 치의학전문대학원 소아치과학교실) ;
  • 전상윤 (조선대학교 치의학전문대학원 소아치과학교실)
  • Received : 2013.04.02
  • Accepted : 2013.08.01
  • Published : 2013.08.30
Download PDF
⟨ Previous Next ⟩

Abstract

The purpose of this study was to evaluate the shape and impacted pattern of mesiodens and associated complications using three dimensional images produced by dental CBCT. This study was based on the CBCT (CB Mercury, Hitachi, Tokyo, Japan) radiographic view of 280 pediatric patients who visited the Department of Pediatric Dentistry at the Chosun University Dental Hospital with the chief complain of mesiodens during between 2007 and 2012. Impacted mesiodens occurs more frequently in boys than in girls, the ratio being approximately 3.3:1 and most cases were observed between 6 and 8 years of age. The number of mesiodens per patient was 1.38. Majority of the mesiodens were conical (79.5%) in shape and inverted (48.6%) in direction. The mesio-distal position of mesiodens were the most common in middle sector (81.8%), vertical level were the most common near cervical (60.3%), and labio-palatal position were the most common at palatal side of the dental arch (73.8%). 47.5% of mesiodens had complications and common complications associated with mesiodens were displaced tooth and delayed eruptions. The shape, vertical level, and labio-palatal position of mesiodens had correlations with complications. CBCT appears to be an excellent diagnostic tool, providing three dimensional information and accurate images, for diagnosis of impacted mesiodens.

이 연구의 목적은 치과용 3차원 Come-beam CT 영상을 이용하여 정중과잉치의 형태와 매복 양상 및 연관된 합병증에 대해 평가하는 것이다. 2007년부터 2012년까지 정중과잉치를 주소로 조선대학교 치과병원 소아치과에 내원한 280명의 환아의 cone-beam CT 영상을 평가하였다. 매복된 정중과잉치는 여아보다 남아에서 더 빈번했고, 약 3.3 : 1의 비율을 보였으며 6~8세에서 가장 많이 관찰되었다. 환자당 정중과잉치의 개수는 1.38개였다. 대부분의 정중과잉치는 원추형(79.5%)이었으며, 역위방향(48.6%)으로 위치하고 있었다. 근원심적 위치로는 정중부(81.8%)가 가장 흔했고, 수직적으로는 치경부 근처(60.3%)에 가장 많이 분포하였으며, 순구개측 위치로는 구개측(73.8%)에 가장 많이 위치였다. 정중과잉치의 47.5%에서 합병증이 관찰되었고 인접치 변위와 맹출 지연이 가장 흔했다. 과잉치의 형태와 수직적 위치, 그리고 순구개측 위치가 합병증과 상관관계를 보였다. Cone-beam CT는 매복된 정중과잉치에 대한 3차원적 위치 정보와 정확한 영상을 제공하였다.

Keywords

References

  1. Alberti G, Mondani PM, Parodi V : Eruption of supernumerary permanent teeth in a sample of urban primary school population in Genoa, Italy. Eur J Paediatr Dent, 7:89-92, 2006.
  2. Kazanci F, Celikoglu M, Ceylan I, et al. : The Frequency and Characteristics of Mesiodens in a Turkish Patient Population. Eur J Dent, 5:361-365, 2011.
  3. Khandelwal V, Nayak AU, Sai Prasad SV, et al. : Prevalence of mesiodens among six- to seventeenyear-old school going children of Indore. J Indian Soc Pedod Prev Dent, 29:288-293, 2011. https://doi.org/10.4103/0970-4388.86369
  4. Meighani G, Pakdaman A : Diagnosis and management of supernumerary (mesiodens): a review of the literature. J Dent (Tehran), 7:41-49, 2010.
  5. Mukhopadhyay S : Mesiodens: a clinical and radiographic study in children. J Indian Soc Pedod Prev Dent, 29:34-38, 2011. https://doi.org/10.4103/0970-4388.79928
  6. Russell KA, Folwarczna MA : Mesiodens--diagnosis and management of a common supernumerary tooth. J Can Dent Assoc, 69:362-366, 2003.
  7. Asaumi JI, Shibata Y, Kishi K, et al. : Radiographic examination of mesiodens and their associated complications. Dentomaxillofac Radiol, 33:125-127. 2004. https://doi.org/10.1259/dmfr/68039278
  8. Dinkar AD, Dawasaz AA, Shenoy S : Dentigerous cyst associated with multiple mesiodens: a case report. J Indian Soc Pedod Prev Dent, 25:56-59, 2007. https://doi.org/10.4103/0970-4388.31994
  9. Zmener O : Root resorption associated with an impacted mesiodens: a surgical and endodontic approach to treatment. Dent Traumatol, 22:279- 282, 2006.
  10. Atwan SM, Turner D, Khalid A. : Early intervention to remove mesiodens and avoid orthodontic therapy. Gen Dent, 48:166-169, 2000.
  11. Alaçam A, Bani M : Mesiodens as a risk factor in treatment of trauma cases. Dent Traumatol, 25: e25-31, 2009. https://doi.org/10.1111/j.1600-9657.2008.00734.x
  12. Yildirim G, Bayrak S : Early diagnosis of bilateral supplemental primary and permanent maxillary lateral incisors: a case report. Eur J Dent, 5:215-219. 2011.
  13. Anthonappa RP, Omer RS, King NM : Characteristics of 283 supernumerary teeth in southern Chinese children. Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 105:e48-54, 2008.
  14. Ferguson JW, Evans RI, Cheng LH : Diagnostic accuracy and observer performance in the diagnosis of abnormalities in the anterior maxilla: a comparison of panoramic with intraoral radiography. Br Dent J, 173:265-271, 1992. https://doi.org/10.1038/sj.bdj.4808024
  15. Anthonappa RP, King NM, Rabie AB, Mallineni SK : Reliability of panoramic radiographs for identifying supernumerary teeth in children. Int J Paediatr Dent, 22:37-43, 2012. https://doi.org/10.1111/j.1365-263X.2011.01155.x
  16. Choi HM, Han JW, Park HW, et al. : Quantitative localization of impacted mesiodens using panoramic and periapical radiographs. Imaging Sci Dent, 41:63-69, 2011. https://doi.org/10.5624/isd.2011.41.2.63
  17. Schmuth GP, Freisfeld M, Koster O, Schuller H : The application of computerized tomography (CT) in cases of impacted maxillary canines. Eur J Orthod, 14:296-301, 1992. https://doi.org/10.1093/ejo/14.4.296
  18. Schulze D, Heiland M, Thurmann H, Adam G : Radiation exposure during midfacial imaging using 4- and 16-slice computed tomography, cone beam computed tomography systems and conventional radiography. Dentomaxillofac Radiol, 33:83-86, 2004. https://doi.org/10.1259/dmfr/28403350
  19. Liu DG, Zhang WL, Ma XC, et al. : Three-dimensional evaluations of supernumerary teeth using cone-beam computed tomography for 487 cases. Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 103:403-411, 2007. https://doi.org/10.1016/j.tripleo.2006.03.026
  20. Nurko C : Three-dimensional imaging cone bean computer tomography technology: an update and case report of an impacted incisor in a mixed dentition patient. Pediatr Dent, 32:356-360, 2010.
  21. Katheria BC, Kau CH, Bouquot J, et al. : Effectiveness of impacted and supernumerary tooth diagnosis from traditional radiography versus cone beam computed tomography. Pediatr Dent, 32:304-309, 2010.
  22. Noh JJ, Choi BR, Heo MS, et al. : Diagnostic imaging analysis of the impacted mesiodens. Korean J Oral Maxillofac Radiol, 40:69-74, 2010.
  23. Lee DH, Lee JS, Yoon SJ, Kang BC : Three dimensional evaluation of impacted mesiodens using dental cone beam CT. Korean J Oral Maxillofac Radiol, 40:109-114, 2010.
  24. Gunduz K, Celenk P, Zengin Z, Sumer P : Mesiodens: a radiographic study in children. J Oral Sci, 50:287-291, 2008. https://doi.org/10.2334/josnusd.50.287
  25. Mukhopadhyay S : Mesiodens: a clinical and radiographic study in children. J Indian Soc Pedod Prev Dent, 29:34-38, 2011. https://doi.org/10.4103/0970-4388.79928
  26. Ferres-PadroE, Prats-Armengol J, Ferres-Amat E. : A descriptive study of 113 unerupted supernumerary teeth in 79 pediatric patients in Barcelona. Med Oral Patol Oral Cir Bucal, 14:E146-52, 2009.
  27. Kim SG, Lee SH. : Mesiodens: a clinical and radiographic study. J Dent Child (Chic), 70:58-60, 2003.
  28. Jung YH, Nah KS, Cho BH : The relationship between the position of mesiodens and complications. Korean J Oral Maxillofac Radiol, 38:103-107, 2008.
  29. Davis PJ. : Hypodontia and hyperdontia of permanent teeth in Hong Kong schoolchildren. Community Dent Oral Epidemiol, 15:218-220, 1987. https://doi.org/10.1111/j.1600-0528.1987.tb00524.x
  30. Nagaveni NB, Sreedevi B, Umashankara KV, et al. : Survey of mesiodens and its characteristics in 2500 children of Davangere city, India. Eur J Paediatr Dent, 11:185-188, 2010.
  31. Hyun HK, Lee SJ, Kim JW, et al. : Clinical characteristics and complications associated with mesiodentes. J Oral Maxillofac Surg, 67:2639-2643, 2009. https://doi.org/10.1016/j.joms.2009.07.041
  32. De Oliveira Gomes C, Drummond SN, Mesquita RA, et al. : A survey of 460 supernumerary teeth in Brazilian children and adolescents. Int J Paediatr Dent, 18:98-106, 2006.

Cited by

  1. Managing Complications Related to Multiple Supernumerary Teeth vol.41, pp.2, 2014, https://doi.org/10.5933/JKAPD.2014.41.2.180
  2. Effects of mesiodens on adjacent permanent teeth: a retrospective study in Korean children based on cone-beam computed tomography pp.09607439, 2017, https://doi.org/10.1111/ipd.12317
  3. Factors and Treatments Influencing the Unilaterally Unerupted Maxillary Central Incisor vol.45, pp.3, 2018, https://doi.org/10.5933/JKAPD.2018.45.3.334