| Summary: | Introduction: Non‐conventional techniques represent a more and more frequently employed alternative in medi‐ cine, firstly due to their minimally invasive character. Laser technologies represent forward‐looking methods to which numerous stomatologists resort, mainly because of their multiple applications in periodontology.The scope of the study was to identify the possible morpho‐histological differences on microscopic preparati‐ ons obtained by the two ‐ conventional and non‐conventi‐ onal – laser‐assisted techniques.Materials and method: Gingivectomies have been rea‐ lized on a mandible of freshly sacrificed pig, by the classi‐ cal surgical technique, 10 tissue samples of comparable size being taken over. On the same mandible, in the opposite quadrant, gingivectomies were realized by means of a diode‐type laser with a wavelength of 940 nm, followed by taking over of other 10 tissue samples. All specimens were conserved in a fixing solution and histological cups were obtained for subsequent analysis in the laboratory of pathological anatomy.Results and discussion: Histological evaluation evi‐ denced no significant morpho‐histological differences between the two techniques applied. The clinical advanta‐ ges of the photo‐mecanical interactions provided by laser‐assisted periodontal surgery include mainly reduc‐ tion of bleeding, absence of oedema, a higher confort for the patient (who suffers less pain) and a much more rapid healing (by a faster tissular repair).Conclusions: Laser‐assisted technologies may be the‐ refore viewed as extremely useful alternatives in the new periodontal therapies, which recommends their applica‐ tion in periodontal surgery for at least three reasons: they are minimally invasive, they induce minor morpho‐histo‐ logical modifications and the technique of their application is simple to learn.
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