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ePaper created 2017-03-17, 12:41:55 | version 1.38.0
industry | Figs. 7–9: Incision from the palatal side. Figs. 10–13: After separating the full-thickness flap, the flap and the bone cavity is cleaned from the granulation tissue. Fig. 7 Fig. 8 Fig. 9 Fig. 11 Fig. 10 Fig. 12 Fig. 13 This laser is used in surgery, because, besides of the cutting process, there are effects of photocoagula- tion and ablation obtained by evaporation of the tis- sues. Absorption and penetration of laser light de- pends on its physical parameters, such as wavelength, power, dose of energy, water, haemoglobin and mel- anin content in the tissue, extent and type of lesion.1 Advantages of this tool are high precision of cutting due to the possibility of strong focusing of the laser beam and high selectivity, that is, affecting only the tissues absorbing a specific wavelength. Another ad- vantage is the possibility of non-contact treatment of tissues (with non-contact laser tips). Due to the use of laser therapy the procedures until now performed with classical surgery, which had pre- viously been very onerous for the patient, now are safer, less invasive and often more successful than classic ways of treatment.2 High-power laser is also effective in removing laesions such as epulis, fibroma, papilloma, and precise treatment of the periodontium, such as gingivectomy and the removal of vascular lesions.3,4 Fig. 14 Fig. 15 Fig. 16 Figs. 14–16: Periodontal debridement, removal of subgingival calculus and from the root surface. laser 1 2017 33