Journal of Periodontal and Implant Science
- Volume 27 Issue 2
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- Pages.317-328
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- 1997
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- 2093-2278(pISSN)
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- 2093-2286(eISSN)
The effect of a pulsed-Nd:YAG laser irradiation on microstructure of human gingiva
파동형 Nd:YAG 레이저조사가 인체 치은조직의 미세구조에 미치는 영향
- Han, Kyung-Yoon (Department of Periodontology, School of Dentistry, Chosun University) ;
- Shin, Kwang-Yong (Department of Periodontology, School of Dentistry, Chosun University) ;
- Kim, Chun-Seok (Department of Periodontology, School of Dentistry, Chosun University) ;
- Kim, Hyung-Soo (Department of Periodontology, School of Dentistry, Chosun University) ;
- Yum, Chang-Yup (Department of Periodontology, School of Dentistry, Chosun University) ;
- Kim, Byung-Ock (Department of Periodontology, School of Dentistry, Chosun University)
- 한경윤 (조선대학교 치과대학 치주과학교실) ;
- 신광용 (조선대학교 치과대학 치주과학교실) ;
- 김천석 (조선대학교 치과대학 치주과학교실) ;
- 김형수 (조선대학교 치과대학 치주과학교실) ;
- 염창엽 (조선대학교 치과대학 치주과학교실) ;
- 김병옥 (조선대학교 치과대학 치주과학교실)
- Published : 1997.06.30
Abstract
Since laser therapy has been applied to dentistry, many dental practitioners are very interested in laser therapy on various intraoral soft tissue lesions including gingival hyperplasia and aphthous ulcer. The purpose of the present study was to determine the therapeutic effect and the harmful effect of a pulsed-Nd:YAG laser irradiation on human gingival tissue. In twenty periodontal patients with gingival enlargement, the facial gingival surface of maxillary anterior teeth was randomly irradiated at various power of 1.0W(100mJ, 10Hz), 3.0W(100mJ, 30Hz) and 6.0W(l50mJ, 40Hz) for 60 seconds by contact delivery of a pulsed-Nd:YAG laser(EN.EL.EN060, Italy). Immediately after laser irradiation, the gingival tissues were surgically excised and prepared in size of 1mm3. Subsequently the specimens were processed for prefixation and postfixation, embedded with epon mixture, sectioned in
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