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Effects of soft tissue grafting prior to orthodontic treatment on preventing gingival recession in dogs

Authors
 Young Woo Song  ;  Heekyu Jung  ;  Seo Yeon Han  ;  Kyeong Won Paeng  ;  Myong Ji Kim  ;  Jae Kook Cha  ;  Yoon Jeong Choi  ;  Ui Won Jung 
Citation
 JOURNAL OF PERIODONTAL AND IMPLANT SCIENCE, Vol.50(4) : 226-237, 2020-08 
Journal Title
 JOURNAL OF PERIODONTAL AND IMPLANT SCIENCE 
ISSN
 2093-2278 
Issue Date
2020-08
Keywords
Animal research ; Collagen ; Connective tissue ; Gingival recession ; Orthodontic tooth movement
Abstract
Purpose: This study was conducted to assess the efficacy of prophylactic gingival grafting in the mandibular anterior labial area for preventing orthodontically induced gingival recession. Methods: Eight mongrel dogs received gingival graft surgery at the first (I1) and third (I3) mandibular incisors on both sides based on the following group allocation: AT group (autogenous connective tissue graft on I1), AT-control group (contralateral side in the AT group), CM group (xenogeneic cross-linked collagen matrix graft on I3) and CM-control group (contralateral side in the CM group). At 4 weeks after surgery, 6 incisors were splinted and proclined for 4 weeks, followed by 16 weeks of retention. At 24 weeks after surgery, casts were made and compared with those made before surgery, and radiographic and histomorphometric analyses were performed. Results: Despite the proclination of the incisal tip (by approximately 3 mm), labial gingival recession did not occur. The labial gingiva was thicker in the AT group (1.85±0.50 mm vs. 1.76±0.45 mm, P>0.05) and CM group (1.90±0.33 mm vs. 1.79±0.20 mm, P>0.05) than in their respective control groups. Conclusions: The level of the labial gingival margin did not change following labial proclination of incisors in dogs. Both the AT and CM groups showed enhanced gingival thickness.
Files in This Item:
T202003279.pdf Download
DOI
10.5051/jpis.2000420021
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
Yonsei Authors
Song, Young Woo(송영우) ORCID logo https://orcid.org/0000-0003-1835-5646
Jung, Ui Won(정의원) ORCID logo https://orcid.org/0000-0001-6371-4172
Jung, Heekyu(정희규) ORCID logo https://orcid.org/0000-0002-0385-2095
Cha, Jae Kook(차재국) ORCID logo https://orcid.org/0000-0001-6817-9834
Choi, Yoon Jeong(최윤정) ORCID logo https://orcid.org/0000-0003-0781-8836
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/179676
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