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Flap extension attained by vertical and periosteal-releasing incisions: a prospective cohort study.

 Jung-Chul Park  ;  Chang-Sung Kim  ;  Seong-Ho Choi  ;  Kyoo-Sung Cho  ;  Jung-Kiu Chai  ;  Ui-Won Jun Jung-Chul Park, Chang-Sung Kim, Seong-Ho Choi, Kyoo-Sung Cho, Jung-Kiu Chai and Ui-Won Jun 
 CLINICAL ORAL IMPLANTS RESEARCH, Vol.23(8) : 993-998, 2012 
Journal Title
Issue Date
Alveolar Ridge Augmentation/methods* ; Dental Implantation, Endosseous* ; Female ; Humans ; Male ; Middle Aged ; Periosteum/surgery* ; Prospective Studies ; Surgical Flaps*
mplant surgery ; mucogingival surgery ; oral surgical procedures ; surgical flaps
OBJECTIVES: To evaluate the effect of vertical and periosteal-releasing incisions (PRI) on the extension of the buccal flap in a trapezoidal flap design. MATERIAL AND METHODS: Thirty patients scheduled for implant surgery accompanied by bone augmentation were recruited. The amount of flap extension pulled with a minimal tension of 5 g using a dynamometer was measured before and after the first and the second vertical incisions (VI) and PRI. The results were compared based on gender, surgical site and operator's experience. RESULTS: The first VI extended flap length by 1.1 ± 0.6 mm, 113.4% more compared with the original flap length. The second VI increased flap length by 1.9 ± 1 mm (124.2%), and the PRI significantly extended flap length by 5.5 ± 1.5 mm (171.3%) (P<0.001). The length of the first and the second VI and the amount of flap extension by each incision were compared, and there were no statistically significant differences between gender, surgical site (maxilla vs. mandible) and operator's experience (faculty vs. residents). CONCLUSION: Vertical and PRI in a trapezoidal flap design can be successfully utilized to attain tension-free primary closure during implant or periodontal surgeries. However, the PRI appears to be the only determinant key factor that can significantly extend the length of the flaps, while host- and operator-related factors might not have any significant effect on such flap extension.
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2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Chang Sung(김창성) ORCID logo https://orcid.org/0000-0003-3902-1071
Park, Jung Chul(박정철)
Jung, Ui Won(정의원) ORCID logo https://orcid.org/0000-0001-6371-4172
Cho, Kyoo Sung(조규성) ORCID logo https://orcid.org/0000-0002-6777-5287
Chai, Jung Kyu(채중규)
Choi, Seong Ho(최성호) ORCID logo https://orcid.org/0000-0001-6704-6124
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