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Laser Application in Periodontics
Archive of SID
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Figure 1. Use of co Laser Therapy for Treatment of oral Leukoplakia; before and after ablation
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others provide a surface ablation. CO , Er: YAG, There have been conflicting opinions about the
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and Er, Cr: YSGG laser radiation primarily affects quality of wound healing after laser periodontal
superficial layers of the tissues and hence are surgeries. Some find it faster with little or no
advantageous, since the risk of damage to the scar, while others believe lasers impede normal
underlying tissues are minimized. However, deeply wound healing by producing vaster area of
penetrating Nd: YAG and diode lasers produce necrosis. Recently it has been shown that low-level
thicker coagulation areas on radiated surfaces laser therapy using gallium, aluminium arsenide
(16,21,23), have a greater heat production ability GaAIAs radiation, influences periodontal ligaments
and hence are used similar to electrosurgical fibroblasts positively, and as a result has a beneficial
procedures (21). Finkbeiner has suggested the effect on periodontal wound healing (25).
application of argon laser in soft tissue welding and Figures 2 and 3 show two cases of gingival
soldering compared to traditional wound closure wart and excisional biopsy of an exophytic lesion
means, such as sutures and tissue adhesives (24). in hard palate
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Figure 2. Gingival wart; before and after ablation by co laser
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Journal of Lasers in Medical Sciences Volume 3 Number 1 Winter 2012 www.SID.ir
