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Clinical evaluation of a collagen matrix to enhance the width of keratinized gingiva around dental implants

Journal of periodontal & implant science, v.40 no.2, 2010년, pp.96 - 101  

Lee, Kang-Ho (Department of Periodontology, Chosun University School of Dentistry) ,  Kim, Byung-Ock (Department of Periodontology, Chosun University School of Dentistry) ,  Jang, Hyun-Seon (Department of Periodontology, Chosun University School of Dentistry)

Abstract AI-Helper 아이콘AI-Helper

Purpose: The purpose of this study was to evaluate the effect of collagen matrix with apically positioned flap (APF) on the width of keratinized gingiva, comparing to the results of APF only and APF combined with free gingival graft (FGG) at the second implant surgery. Methods: Nine patients were se...

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제안 방법

  • At the time of the surgery, local anesthesia was administered and the surgical procedure was performed. After patient selection was complete, all of the cases underwent a surgical procedure designed to enlarge the area of keratinized tissue. The surgical technique used for the groups consisted of the following steps:
  • Clinical evaluation of keratinized gingival was performed by measuring the distance from the gingival crest to the mucogingival junction at the mid-buccal point, using a periodontal probe (PCP 10®, Hu-Friedy, Chicago, USA).
  • More recently, a collagen matrix has been proposed as a substitute for the palatal donor tissue to augment gingival tissue dimensions [8]. Here we performed APF only, APF combined with FGG, and APF combined with collagen matrix coverage at the second implant surgery and evaluated the width of keratinized tissue around dental implant.
  • Thus, the collagen matrix can be expected to be more effective at augmenting keratinized tissue. The main objective of this clinical study was to evaluate the changes in width of keratinized tissue following three surgical techniques, APF, APF combined with FGG, and APF combined with collagen matrix coverage. The result from this clinical study indicated that after 3-4 weeks, all of the cases achieved keratinized tissue.

대상 데이터

  • Nine patients were selected from those who had received treatments at the Department of Periodontics, Chosun University Dental Hospital, Gwangju, Korea. The inclusion criteria were as follows:
  • The subject consisted of 9 patients; 3 subjects were allocated in the APF case, 3 subjects were allocated in the APF combined with FGG, and 3 subjects were allocated in the APF combined with collagen matrix coverage. No patients in any of the cases developed any significant complications.
  • Three different surgical techniques were performed on nine patients. The surgical techniques were determined based on the following criteria:
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참고문헌 (23)

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  19. 19 Han TJ Takei HH Carranza FA The strip gingival autograft technique Int J Periodontics Restorative Dent 1993 13 180 187 8360008 

  20. 20 Park JB Increasing the width of keratinized mucosa around endosseous implant using acellular dermal matrix allograft Implant Dent 2006 15 275 281 16966901 

  21. 21 Yan JJ Tsai AY Wong MY Hou LT Comparison of acellular dermal graft and palatal autograft in the reconstruction of keratinized gingiva around dental implants: a case report Int J Periodontics Restorative Dent 2006 26 287 292 16836171 

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