Comparison of histological changes induced on oral mucosa and skin by the use
of monopolar electrosurgery and CO2 laser in a porcine experimental model
Ourania SCHΟINOHORITI, Evanthia CHRYSOMALI, Fotiοs TZERBOS, Αlkisti PANTOPOULOU, Despina PERREA, Iοannis IATROU
Oral & Maxillofacial Surgery Clinic. Dental School, University of Athens, Greece (Head: Professor C. Αlexandridis)
Hellenic Archives of Oral & Maxillofacial Surgery (2011) 2, 79-92
SUMMARY: Introduction: Upon use of mono polar electrosurgery or CO2-laser high-frequency, current or infrared light respectively are converted to heat, inducing beneficial and undesired tissue effects. Purpose: This study aimed to investigate histologically and immunohistochemically the effects of monopolar electrosurgery and CO2-laser upon skin and oral mu - cosa and to compare them with those of scalpel. Material and methods: 5 healthy swine were used. Standardized incisions were made by scalpel and the above instruments at 3 surgical sites. Results: Lateral thermal damage to CO2-laser-incisions and the inflammatory extent in skin sections were significantly greater than scalpel incisions but inflammation did not differ significantly between electrosurgical and scalpel incisions. Conclusions: CO2-laser was associated with greater thermal damage, impinging or epithelial proliferation and postoperative inflammation.
KEY WORDS: monopolar electrosurgery, CO2-laser, skin, oral mucosa, pigs.
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