title: Treatment of multiple adjacent Miller Class I and II gingival recessions with collagen matrix and the modified coronally advanced tunnel technique.
abstract: OBJECTIVE
  To clinically evaluate the treatment of Miller Class I and II multiple adjacent gingival recessions using the modified coronally advanced tunnel technique combined with a newly developed bioresorbable collagen matrix of porcine origin.
  
  
  METHODS
  Eight healthy patients exhibiting at least three multiple Miller Class I and II multiple adjacent gingival recessions (a total of 42 recessions) were consecutively treated by means of the modified coronally advanced tunnel technique and collagen matrix. The following clinical parameters were assessed at baseline and 12 months postoperatively: full mouth plaque score (FMPS), full mouth bleeding score (FMBS), probing depth (PD), recession depth (RD), recession width (RW), keratinized tissue thickness (KTT), and keratinized tissue width (KTW). The primary outcome variable was complete root coverage.
  
  
  RESULTS
  Neither allergic reactions nor soft tissue irritations or matrix exfoliations occurred. Postoperative pain and discomfort were reported to be low, and patient acceptance was generally high. At 12 months, complete root coverage was obtained in 2 out of the 8 patients and 30 of the 42 recessions (71%).
  
  
  CONCLUSIONS
  Within their limits, the present results indicate that treatment of Miller Class I and II multiple adjacent gingival recessions by means of the modified coronally advanced tunnel technique and collagen matrix may result in statistically and clinically significant complete root coverage. Further studies are warranted to evaluate the performance of collagen matrix compared with connective tissue grafts and other soft tissue grafts.
authors: Department of Periodontology, Semmelweis University, Budapest, Hungary.
authors: Bálint
authors: B
authors: Molnár
authors: Sofia
authors: S
authors: Aroca
authors: Tibor
authors: T
authors: Keglevich
authors: István
authors: I
authors: Gera
authors: Péter
authors: P
authors: Windisch
authors: Andreas
authors: A
authors: Stavropoulos
authors: Anton
authors: A
authors: Sculean
mesh_terms: D020341:Absorbable Implants; D000293:Adolescent; D000328:Adult; D003094:Collagen / Q000627:therapeutic use*; D003774:Dental Plaque Index; D005260:Female; D005500:Follow-Up Studies; D005881:Gingiva / Q000473:pathology; D005889:Gingival Recession / Q000145:classification / Q000601:surgery*; D005893:Gingivoplasty / Q000379:methods*; D006801:Humans; D007633:Keratins; D008297:Male; D010149:Postoperative Pain / Q000209:etiology; D017060:Patient Satisfaction; D010512:Periodontal Index; D010514:Periodontal Pocket / Q000145:classification; D010865:Pilot Projects; D011446:Prospective Studies; D013524:Surgical Flaps / Q000601:surgery; D054457:Tissue Scaffolds; D014092:Tooth Root / Q000473:pathology / Q000601:surgery; D016896:Treatment Outcome; D055815:Young Adult
chemical_list: D007633:Keratins; D003094:Collagen