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다이오드레이저 조사 시 임플란트 계면에서 신생골 형성에 관한 반사전자현미경적 연구 KCI 등재

A Reflection Electron Microscopic Study on New Bone Formation at The Implant Interface with Diode Laser Irradiation

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대한구강악안면병리학회지 (The Korean Journal of Oral and Maxillofacial Pathology)
대한구강악안면병리학회 (Korean Academy Of Oral And Maxillofacial Pathology)
초록

Currently, dental implants are generally used for reconstruction of oromaxillofacial defects. Implants are widely used in dental and medical fields. The materials of implants are variable such as metals and ceramics. The materials of implants must be have not toxicity and biocompatibility to host and mechanical(physical) strength. Bones must be attached to titanium surface without any other tissues. many researcher's had studied for raising the osseointegration through various method which are including implants designs and materials. It was reported over 95% success ratio. many researcher's study the methods which are enhancing the speed of bone remodelling and osseointegration. Thermo dynamic therapy is one of the method to accelerlate the speed of bone remodelling and osseointegration. Thus it raise stability of implants. The purpose of this study was to evaluate the effect of diode laser irradiation for ossoeintegration in implant interface and between the implants threads. 24 New Zealand white rabbits which were about 3kg weight, used for experiment. 2 implant's were implanted every rabbit's tibia. 2 weeks, 4 weeks, 8 weeks after implantation, tissue sample were removed from sacrificed rabbit's tibia. 8 rabbit's were sacrificed every 2, 4, 8 weeks and undecalcified sample were made from tissue sample. We have investigated the undecalcified samples by back scattered electron microscope. We have analysied the length rate and area rate in implant interface and inside the threads. The results were as follows. 2 weeks, 4 weeks, 8 weeks experimental groups which were irradiated low level laser therapy showed rapid bone remodelling than control groups. It was suggested that Initial bone remodelling may be effected by LLLT because of implant bone contact ratio between 4th weeks and 8th weeks had no siginifant difference. Initial bone remodelling may be more influenced than later bone remodelling by LLLT because of new bone formation area ratio between implant threads had no significant differences during 4th to 8th weeks. According to above results, low level laser irradiation accerlate the new bone formation in implant interface and inside the implants threads at initial stage. there were many factors which are increasing the bone remodelling, because there were many differences between experimental and control groups. Low level laser irradiation were helpful for increasing the initial stage of bone remodelling because of above results.

목차
I. 서론
 II. 연구재료 및 방법
  1. 실험재료
  2. 실험방법
 III. 결과
 IV. 총괄 및 고찰
 V. 결론
 VI. 참고문헌
저자
  • 최진호(단국대학교 치과대학 구강생리학교실) | Jin Ho Choi
  • 천재식(단국대학교 치과대학 구강생리학교실) | Gae Sig Chun correspondence
  • 이석준(단국대학교 체육대학 태권도학과) | Suk Jun Lee