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KMID : 0363020080380040657
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Journal of Korean Academy of Periodontology
2008 Volume.38 No. 4 p.657 ~ p.667
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Effects of resolution of inflammation for Low-power CO2 Laser treatment on gingivitis patients
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Song Hyun-Jong
Jang Hyun-Seon
Kim Byung-Ock
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Abstract
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Purpose: In this study, we compared low-power laser treatment to ultrasonic scaling, which is generally approved as a power-driven mechanical instrumentation, and evaluated both of these treatments regarding their clinical effectiveness and change in the volume of in GCF.
Material and methods: 20 patients who had gingivitis were selected. all of patients has no systemic problems. Randomly selected, one quadrant received ultrasonic scaling only, another quadrant received ultrasonic scaling and laser irradiation, the other quadrant received laser irradiation only. Clinical parameters measured at baseline, 1 weeks, 2weeks, 4weeks and 8weeks.
Result: Pocket probing depth and clinical attachment level were not changed during study period. Gingival index of all group were improved after treatment. At 1 weeks after treatment, Gingival index of ultrasonic scaling group was only significantly different compared to control group. At 2 weeks after treatment, gingival index of all experimental group were significantly different compared to control group. At 4 and 8 weeks after treatment, gingival index of all group were increased, but experimental group were lower than control group. Sulcus bleeding index was similar to the results of gingival index. At 1 weeks after treatment, all experimental group were significantly different compared to control group and it maintained during study. At 2 weeks after treatment, sulcus bleeding index of all group were lowest during study. Gingival crevicular fluid were measured with 8000(, Inc. USA). At baseline, all group were showed moderately severe condition. At 1 week after treatment, laser treatment only group was reduced quantity of gingival crevicular fluid mostly, and all group were reduced quantity of gingival crevicular fluid. At 2 weeks after treatment, all group were health state. At 4 and 8 weeks after treatment, all group were showed recurrent of inflammation, and control group was the most significantly increased.
Conclusion: This study showed that the effects of laser treatment were similar to conventional ultrasonic scaling and this result remained longer than plaque control only. These results suggest possibility of laser treatment for altered periodontal therapy.
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KEYWORD
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Low-power CO2 Laser treatment, gingivitis, gingival crevicular fluid, sulcus bleeding index, gingival index
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