Abstract
ObjectivesTo evaluate the thermal changes and histologic alterations produced in ex vivo and in vivo specimens of oral mucosa by the quantum molecular resonance (QMR) scalpel. Materials and methodsUsing electronic probes positioned within the mandibles of pigs, we measured temperature changes induced in the mucosa during incisions made with (1) a conventional cold blade; (2) a QMR blade; (3) a Nd:YAG laser (1064nm); (4) an Er:YAG laser (2940nm). We also evaluated the epithelial, connective, and vascular tissue modifications in 49 biopsy specimens of benign fibrous oral lesions collected with these same surgical instruments. ResultsThe QMR blade was the instrument that produced the smallest increases in temperature and the mildest histologic artifacts (0.9°C; 22.8μm). ConclusionsThe QMR blade is a useful tool in oral surgery.
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