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The influence of bone tissue deficiency on the outcome of endodontic microsurgery: A prospective study

Authors
 Minju Song  ;  Sahng Gyoon Kim  ;  Su-Jung Shin  ;  Hyeon-Cheol Kim  ;  Euiseong Kim 
Citation
 JOURNAL OF ENDODONTICS, Vol.39(11) : 1341-1345, 2013 
Journal Title
JOURNAL OF ENDODONTICS
ISSN
 0099-2399 
Issue Date
2013
MeSH
Adult ; Aluminum Compounds/therapeutic use ; Alveolar Bone Loss/complications* ; Apicoectomy/methods* ; Calcium Compounds/therapeutic use ; Dentin-Bonding Agents/therapeutic use ; Drug Combinations ; Female ; Follow-Up Studies ; Humans ; Male ; Microsurgery/methods* ; Middle Aged ; Osteotomy/methods* ; Oxides/therapeutic use ; Periapical Diseases/complications* ; Periapical Periodontitis/surgery ; Retrograde Obturation/methods ; Root Canal Filling Materials/therapeutic use ; Silicates/therapeutic use ; Surgical Flaps/surgery ; Tooth, Nonvital/surgery ; Treatment Outcome ; Ultrasonic Surgical Procedures/methods ; Wound Healing/physiology ; Young Adult
Keywords
Bone deficiency ; buccal bone plate ; clinical outcome ; endodontic microsurgery ; marginal bone loss
Abstract
INTRODUCTION:
This study assessed the influence of deficiencies of the periapical and marginal bone tissue on clinical outcomes after endodontic microsurgery.
METHODS:
Data were collected from the Microscope Center of the Department of Conservative Dentistry at the Dental College of Yonsei University, Seoul, South Korea, between August 2004 and March 2011. In total, 199 teeth that required endodontic surgery were included in the study. During the surgical procedure, deficiencies of the periapical and marginal bone tissue were measured immediately before the flap was repositioned. The patients were recalled 6 months and 1 year after the surgical procedure to assess the clinical and radiographic signs of healing. The Student's t test or the Mann-Whitney U test and logistic regression were performed to evaluate the parameters. Significant associations between the outcome and all the evaluation parameters were analyzed using the Pearson chi-square test or the Fisher's exact test with a significance level of 0.05.
RESULTS:
A recall rate of 67.8% (135/199 teeth) was obtained. The height of the buccal bone plate was the only significant predictor (P = .040) of the healing outcome, suggesting that teeth with a buccal bone plate >3 mm presented a higher success rate than teeth with a buccal bone plate that was ≤3 mm high (94.3% vs 68.8%, P < .001).
CONCLUSIONS:
These data suggest that a favorable prognosis can be expected when teeth are covered with a buccal bone plate that is >3 mm in height regardless of the amount of marginal bone loss.
Full Text
http://www.sciencedirect.com/science/article/pii/S0099239913006237
DOI
10.1016/j.joen.2013.06.036
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Conservative Dentistry (보존과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Eui Seong(김의성) ORCID logo https://orcid.org/0000-0003-2126-4761
Song, Min Ju(송민주)
Shin, Su Jung(신수정) ORCID logo https://orcid.org/0000-0001-5795-3919
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/88375
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