Use of a collagen matrix as a substitute for free mucosal grafts in pre-prosthetic surgery: 1 year results from a clinical prospective study on 15 patients

Carlo Maiorana, Mario Beretta, Luca Pivetti, Enrico Stoffella, Giovanni B. Grossi, Alan S. Herford

Research output: Contribution to journalArticle

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Abstract

Background: The presence of keratinized tissue around dental implants is more than desirable either from a functional and aesthetic point of view, making soft tissue grafting a common practice in implant rehabilitation. Autogenous soft tissue grafting procedures are usually associated with high morbidity. Aim of this study was to assess the efficacy of a xenogeneic collagen matrix as a substitute for soft tissue grafting around dental implants. Methods: 15 consecutive patients underwent a vestibuloplasty and grafting, both in the mandible and the maxilla, with a collagen matrix. Results: The primary endpoint was to evaluate the resorption of the graft along with the re-epithelization grafted area. The percentage of the resorption was 44, 4%, with a mean gain in vestibular height of 3 mm. Secondary endpoints evaluated the clinical appearance, the hemostatic effect and the post-operative pain. All subjects referred minimal pain with no bleeding. No adverse reaction nor infection were noted. Conclusion: This study showed that the used collagen matrix can find major interest in those patients who need a greater aesthetic outcome as the matrix has a perfect integration with the surrounding tissues. Furthermore it is strongly recommended for those patients who can bear little pain. Clinical Significance: Post-operative morbidity of autologous grafts is the biggest concern of this type of surgery. The possibility to use a soft tissue substitute is a great achievement as morbidity decreases and bigger areas can be treated in a single surgery. The present study showed the efficacy of a collagen matrix as this kind of substitute.

Original languageEnglish
Pages (from-to)395-410
Number of pages16
JournalOpen Dentistry Journal
Volume10
Issue number1
DOIs
Publication statusPublished - Aug 22 2016

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Tissue Transplantation
Collagen
Prospective Studies
Transplants
Dental Implants
Morbidity
Esthetics
Vestibuloplasty
Referred Pain
Pain
Maxilla
Hemostatics
Mandible
Rehabilitation
Hemorrhage
Clinical Studies
Infection

Keywords

  • Collagen matrix
  • Keratinized tissue
  • Mucosal grafts
  • Vestibuloplasty
  • Xenogeneic graft

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Use of a collagen matrix as a substitute for free mucosal grafts in pre-prosthetic surgery : 1 year results from a clinical prospective study on 15 patients. / Maiorana, Carlo; Beretta, Mario; Pivetti, Luca; Stoffella, Enrico; Grossi, Giovanni B.; Herford, Alan S.

In: Open Dentistry Journal, Vol. 10, No. 1, 22.08.2016, p. 395-410.

Research output: Contribution to journalArticle

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