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J Clin Periodontol. 2012 Feb;39(2):157-65. doi: 10.1111/j.1600-051X.2011.01823.x. Epub 2011 Dec 6.

Impact of a collagen matrix on early healing, aesthetics and patient morbidity in oral mucosal wounds - a randomized study in humans.

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1
Clinic of Fixed and Removable Prosthodontics and Dental Material Science, Center of Dental Medicine, University of Zurich, Zurich, Switzerland. daniel.thoma@zzm.uzh.ch

Abstract

AIM:

To test whether a collagen matrix (CM) can improve early wound healing and aesthetics, and decrease wound sensitivity compared with spontaneous healing.

METHODS:

In 15 volunteers, 6-mm punch biopsies were harvested at both palatal sites. A CM was sutured in one site; the other one was left untreated (control). Measurements included the remaining defect area, the colour match to surrounding tissue and somatosensory parameters at various time-points (pre-operative, post-operative, 4, 8, 15, 29 days).

RESULTS:

The defect area decreased over time for both treatments. Re-epithelization was completed in all subjects by day 15. The defect area was significantly smaller for CM (mean ± SD: 19.3 ± 3.4 mm(2)) compared with control (21.3 ± 3.3 mm(2)) at day 4 (p < 0.05), and at day 8 (CM: 11.7 ± 2.5 mm(2) ; control: 13.6 ± 2.9 mm(2) ; p < 0.01). The colour match was more favourable for CM at day 4, 8 and 29 (p > 0.05). Somatosensory measurements revealed slightly lower wound sensitivity at day 4 for CM compared with control.

CONCLUSIONS:

The use of CM can enhance wound healing compared with spontaneous healing during the first week. This was mainly documented by a faster re-epithelization. Colour match and wound sensitivity measurements did not reach statistical significance between CM and control sites.

[Indexed for MEDLINE]

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