✦ LIBER ✦

Histomorphometric study of the healing of human oral mucosa after gingivoplasty and low-level laser therapy

✍ Scribed by Carla A. Damante; Sebastião L.A. Greghi; Adriana C.P. Sant'Ana; Euloir Passanezi; Rumio Taga

Publisher: John Wiley and Sons
Year: 2004
Tongue: English
Weight: 495 KB
Volume: 35
Category: Article
ISSN: 0196-8092
DOI: 10.1002/lsm.20111

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Background and objectives

The aim of the present study was to analyze the effects of diode laser irradiation on the healing of human oral mucosa.

Materials and Methods

After gingivoplasty, the right hemi‐arch (test group) of 16 patients was irradiated with a diode laser. The left side (control group) was not irradiated. Incisional biopsies were performed on both sides at 7, 14, 21, and 60 days after surgery and morphometrically analyzed by light microscopy.

Results

Epithelium width ranged from 260.6 to 393.5 μm. Volume densities of basal (20.2%), prickle cell (55.6%), and cornified (24.2%) layers remained stable. The peak number of neutrophils were 6 cells/mm^2^ and the mononuclear cells were 44 cells/mm^2^. Collagen fibers (80%) and fibroblasts (14%) occupied the main volume of connective tissue. The one‐way ANOVA and the paired Student's t‐test were used for statistical analysis (P < 0.05).

Conclusion

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