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NCUEIR > College of Science > ma > Periodical Articles > Item 987654321/14452

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/14452

Title:	An Epidemiologic Study of Tooth Retention After Nonsurgical Endodontic Treatment in a Large Population in Taiwan
Authors:	Chen, Shih-Chung;Chueh, Ling-Huey;Hsiao, Chuhsing Kate;Tsai, Miao-Yu;Ho, Shih-Chang;Chiang, Chun-Pin
Contributors:	統計資訊研究所
Keywords:	Endodontic outcomes;General population;Tooth retention;Untoward events
Date:	2007-03
Issue Date:	2012-10-25T09:03:06Z
Publisher:	American Association of Endodontists
Abstract:	In this study, tooth retention and untoward events were assessed over a 5-year follow-up period for 1,557,547 teeth receiving nonsurgical root canal treatment (NSRCT) in Taiwan in 1998. We found that 1,446,199 (92.9%) of teeth receiving NSRCT were retained in the oral cavity 5 years after treatment and that a total of 111,348 (7.1%) of the studied teeth were extracted. Untoward events occurred in 159,680 (10.3%) teeth during the 5-year follow-up period. Of this small subpopulation, nonsurgical retreatment was performed for 50,587 teeth (31.7%), apical surgery was performed on 4,502 (2.8%) teeth, and extractions were performed on 104,591 (65.5%) teeth. Approximately 40% of the nonsurgical retreatments and 81% of the apical surgeries occurred in the first follow-up year. However, the yearly incidence of tooth extractions was nearly even within the 5-year study period. We conclude that NSRCT is a valuable dental procedure because of the high rate (92.9%) of tooth retention 5 years after NSRCTs in Taiwan.
Relation:	Journal of Endodontics, 33(3): 226-229
Appears in Collections:	[ma] Periodical Articles

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