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Prevalence and Characteristic Features of Mandibular Second Molar Impaction in Chinese-American School Children

Yehoshua Shapira ; Clinical Associate Professor, Department of Orthodontics, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv
Tamar Finkelstein ; Instructor, Department of Orthodontics, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Israel
Yon H. Lai ; Clinical Professor, Department of Orthodontics, New York University College of Dentistry, New York
Mladen M. Kuftinec ; Professor and Director [retired], Department of Orthodontics, New York University College of Dentistry, New York
Alexander Vardimov ; Associate professor and head, Department of Orthodontics, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv
Nir Shpack ; Lecturer, Department of Orthodontics, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Israel

Puni tekst: engleski, pdf (269 KB) str. 215-221 preuzimanja: 195* citiraj
APA 6th Edition
Shapira, Y., Finkelstein, T., Lai, Y.H., Kuftinec, M.M., Vardimov, A. i Shpack, N. (2012). Prevalence and Characteristic Features of Mandibular Second Molar Impaction in Chinese-American School Children. Acta stomatologica Croatica, 46 (3), 215-221. Preuzeto s https://hrcak.srce.hr/86880
MLA 8th Edition
Shapira, Yehoshua, et al. "Prevalence and Characteristic Features of Mandibular Second Molar Impaction in Chinese-American School Children." Acta stomatologica Croatica, vol. 46, br. 3, 2012, str. 215-221. https://hrcak.srce.hr/86880. Citirano 28.03.2020.
Chicago 17th Edition
Shapira, Yehoshua, Tamar Finkelstein, Yon H. Lai, Mladen M. Kuftinec, Alexander Vardimov i Nir Shpack. "Prevalence and Characteristic Features of Mandibular Second Molar Impaction in Chinese-American School Children." Acta stomatologica Croatica 46, br. 3 (2012): 215-221. https://hrcak.srce.hr/86880
Harvard
Shapira, Y., et al. (2012). 'Prevalence and Characteristic Features of Mandibular Second Molar Impaction in Chinese-American School Children', Acta stomatologica Croatica, 46(3), str. 215-221. Preuzeto s: https://hrcak.srce.hr/86880 (Datum pristupa: 28.03.2020.)
Vancouver
Shapira Y, Finkelstein T, Lai YH, Kuftinec MM, Vardimov A, Shpack N. Prevalence and Characteristic Features of Mandibular Second Molar Impaction in Chinese-American School Children. Acta stomatologica Croatica [Internet]. 2012 [pristupljeno 28.03.2020.];46(3):215-221. Dostupno na: https://hrcak.srce.hr/86880
IEEE
Y. Shapira, T. Finkelstein, Y.H. Lai, M.M. Kuftinec, A. Vardimov i N. Shpack, "Prevalence and Characteristic Features of Mandibular Second Molar Impaction in Chinese-American School Children", Acta stomatologica Croatica, vol.46, br. 3, str. 215-221, 2012. [Online]. Dostupno na: https://hrcak.srce.hr/86880. [Citirano: 28.03.2020.]
Puni tekst: hrvatski, pdf (269 KB) str. 215-221 preuzimanja: 231* citiraj
APA 6th Edition
Shapira, Y., Finkelstein, T., Lai, Y.H., Kuftinec, M.M., Vardimov, A. i Shpack, N. (2012). Rasprostranjenost i svojstva impaktiranih drugih mandibularnih molara kod kinesko-američke školske djece. Acta stomatologica Croatica, 46 (3), 215-221. Preuzeto s https://hrcak.srce.hr/86880
MLA 8th Edition
Shapira, Yehoshua, et al. "Rasprostranjenost i svojstva impaktiranih drugih mandibularnih molara kod kinesko-američke školske djece." Acta stomatologica Croatica, vol. 46, br. 3, 2012, str. 215-221. https://hrcak.srce.hr/86880. Citirano 28.03.2020.
Chicago 17th Edition
Shapira, Yehoshua, Tamar Finkelstein, Yon H. Lai, Mladen M. Kuftinec, Alexander Vardimov i Nir Shpack. "Rasprostranjenost i svojstva impaktiranih drugih mandibularnih molara kod kinesko-američke školske djece." Acta stomatologica Croatica 46, br. 3 (2012): 215-221. https://hrcak.srce.hr/86880
Harvard
Shapira, Y., et al. (2012). 'Rasprostranjenost i svojstva impaktiranih drugih mandibularnih molara kod kinesko-američke školske djece', Acta stomatologica Croatica, 46(3), str. 215-221. Preuzeto s: https://hrcak.srce.hr/86880 (Datum pristupa: 28.03.2020.)
Vancouver
Shapira Y, Finkelstein T, Lai YH, Kuftinec MM, Vardimov A, Shpack N. Rasprostranjenost i svojstva impaktiranih drugih mandibularnih molara kod kinesko-američke školske djece. Acta stomatologica Croatica [Internet]. 2012 [pristupljeno 28.03.2020.];46(3):215-221. Dostupno na: https://hrcak.srce.hr/86880
IEEE
Y. Shapira, T. Finkelstein, Y.H. Lai, M.M. Kuftinec, A. Vardimov i N. Shpack, "Rasprostranjenost i svojstva impaktiranih drugih mandibularnih molara kod kinesko-američke školske djece", Acta stomatologica Croatica, vol.46, br. 3, str. 215-221, 2012. [Online]. Dostupno na: https://hrcak.srce.hr/86880. [Citirano: 28.03.2020.]

Sažetak
Objectives: To determine the prevalence and characteristic features of mandibular permanent second molar impaction in a large sample of ethnic Chinese-American orthodontic patients. Materials and methods: Panoramic radiographs of 3000 consecutively orthodontically treated Chinese-American school children aged 11-15 years were studied for mandibular second molar impaction. Their anatomic position and angulation relative to the adjacent teeth were recorded and evaluated. Results: A total of 103 mandibular second molar impactions both unilateral and bilateral were detected in 71 Chinese-American patients with a prevalence of 2.36%. The significant majority of the mandibular second molar impactions (89%) were mesially inclined. Posterior mandibular crowding was detected in most of these impactions and the developing third molars were located along the root of the second molars, giving an impression of an overlap on the twodimensional panoramic radiographs. Conclusions: Chinese-American orthodontic patients present a prevalence rate of 2.36% in mandibular second molar impactions, most of them mesially inclined in posteriorly crowded arches and in close proximity of the developing third molars. A possible mechanism for their impaction is the predominant mesial angulation, possibly caused by the different stages of root development (distal root more developed than the mesial root). The posterior space deficiency appears to be less critical, thus a secondary factor. Early detection and an appropriate orthodontic treatment are recommended for best clinical outcome.

Ključne riječi
Mandible; Molar; Tooth, Impacted; Asian Americans

Hrčak ID: 86880

URI
https://hrcak.srce.hr/86880

[hrvatski]

Posjeta: 815 *