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	In hope of development of the laser dentistry society after the foreword corona evil 加藤純二 Journal of Japanese Society for Laser Dentistry 30(3): 2020.

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	Study on adhesion of resin composite restorations with one-step bonding system to dentin irradiated by Er:YAG laser Keita YOKOTA, Kenzo YASUO, Yohei HIROTA, Naohiro IWATA, Chikako HIRAI, Tomohiro NAKATA, Kazushi YOSHIKAWA, Kazuyo YAMAMOTO Journal of Japanese Society for Laser Dentistry 30(3): 71-76, 2020.

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	A case report of esthetic restoration with gingivoplasty using Er:YAG laser Hiroko IGARASHI-TAKEUCHI, Yukihiro NUMABE Journal of Japanese Society for Laser Dentistry 30(3): 77-82, 2020.

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	With the idea of With Corona Era 住友雅人 Journal of Japanese Society for Laser Dentistry 30(3): 83-84, 2020.

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	Route until dental laser insurance introduction 松見秀之 Journal of Japanese Society for Laser Dentistry 30(3): 84-85, 2020.

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	Request from a payment fund 高橋一 Journal of Japanese Society for Laser Dentistry 30(3): 85-86, 2020.

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	It is daily life clinical practice and safety management in the YAG laser Er 中根晶 Journal of Japanese Society for Laser Dentistry 30(3): 86-87, 2020.

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	We use the CO2 laser in a diversifying dental laser safely 塩谷公貴 Journal of Japanese Society for Laser Dentistry 30(3): 88-89, 2020.

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	To use the semiconductor laser safely definitely 大橋英夫 Journal of Japanese Society for Laser Dentistry 30(3): 89-89, 2020.

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	About an oral surgery regional aphthous hemangioma, the direction for uses to soft parts disease 古森孝英 Journal of Japanese Society for Laser Dentistry 30(3): 90-90, 2020.

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	A diagnosis and treatment of the caries using the dental laser 新海航一 Journal of Japanese Society for Laser Dentistry 30(3): 91-91, 2020.

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	It is application of the YAG laser the Er in the periodontal domain 青木章 Journal of Japanese Society for Laser Dentistry 30(3): 92-93, 2020.

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	We investigate usefulness of the antibacterial rays dynamics therapy to periodontal treatment 辰巳順一 Journal of Japanese Society for Laser Dentistry 30(3): 93-94, 2020.

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	Application to dental treatment with the rays dynamics therapy 山田嘉重 Journal of Japanese Society for Laser Dentistry 30(3): 94-95, 2020.

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	Good use of laser welder in dental laboratory techniques 河村昇 Journal of Japanese Society for Laser Dentistry 30(3): 95-96, 2020.

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	The study ethic that we want to know as a researcher 寺田員人 Journal of Japanese Society for Laser Dentistry 30(3): 97-97, 2020.

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	It is ... for the hard tissue of fine-view ... of the dental laser particularly teeth 山本一世 Journal of Japanese Society for Laser Dentistry 30(3): 98-99, 2020.

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	Basic knowledge as para-den Tal whom we want to know 小林一行 Journal of Japanese Society for Laser Dentistry 30(3): 99-100, 2020.

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	LOOKING BACK laser dental treatment 加藤純二 Journal of Japanese Society for Laser Dentistry 30(3): 100-101, 2020.

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	P-1. It is the increase of rat skull origin primary culture osteoblasts of cells by the YAG laser and an effect for the calcification Er 新見ひろみ1, 大杉勇人1, 片桐さやか1, 畑佐将宏1, 下平剛1, 門倉弘志2, 横瀬敏志2, 岩田隆紀1, 青木章1 Journal of Japanese Society for Laser Dentistry 30(3): 102-102, 2020.

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P-2. Effect - that Er gives to the initial adhesion of resin in the low power irradiation dentin by the YAG laser and the adhesion durability the study - acid conditioning about the development or resin addition type glass ionomer system bonding processing that we combined priming with newly of the resin adhesion system which is optimal for YAG laser irradiation dentin Er 井上和穂, 竹口あゆみ, 水野綾香, 掘江卓, 岸本崇史, 佐久間恵子, 丹羽由香理, 中野健二郎, 友田篤臣, 冨士谷盛興 Journal of Japanese Society for Laser Dentistry 30(3): 102-103, 2020.

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	P-3. One case that removed a metal tattoo by YAG laser irradiation Er 村樫悦子, 五十嵐(武内)寛子, 沼部幸博 Journal of Japanese Society for Laser Dentistry 30(3): 103-104, 2020.

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	P-4. The effect that the surface absorbing form laser gives to hard tissue 長野孝俊, 八島章博, 白川哲, 五味一博 Journal of Japanese Society for Laser Dentistry 30(3): 104-104, 2020.

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	P-5. Bond strength of the composite resin for the Er,Cr:YSGG laser radiation tooth substance 王翔宇, 岩田有弘, 保尾謙三, 吉川一志, 山本一世 Journal of Japanese Society for Laser Dentistry 30(3): 104-105, 2020.

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	P-6. Application of the carbon dioxide laser to the calculus of salivary gland which occurred in floor of mouth 杉原明通, 杉原礼佳, 奥竜太郎, 大浦教一 Journal of Japanese Society for Laser Dentistry 30(3): 105-105, 2020.

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	P-7. Histologic inspection of the socket preservation effect that used High-Intensity Laser Therapy and Photobio modulation Therapy together 大郷友規1, 大郷英里奈2, 福岡宏士3, 石川昌嗣4, 高橋一也1 Journal of Japanese Society for Laser Dentistry 30(3): 105-106, 2020.

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	P-8. The semiconductor laser irradiation influences differentiation, the increase of the osteogenic viable count derived from rat myeloid cells 磯英介, 山崎崇秀, 横瀬敏志 Journal of Japanese Society for Laser Dentistry 30(3): 106-107, 2020.

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	P-9. Effect on pulpal threshold by the semiconductor laser irradiation 山口博康1,2, 小林一行3, 中道匠1, 吉田凌1 Journal of Japanese Society for Laser Dentistry 30(3): 107-107, 2020.

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	P-10. Antibacterial effect of new aPDT using the yellowish green LED 北中祐太郎1, 竹内康雄1, 平塚浩一2, 岩田隆紀1, 青木章1 Journal of Japanese Society for Laser Dentistry 30(3): 107-108, 2020.

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	P-11. Effect on organic quality resolving power and root surface of the antimicrobial rays dynamics therapy 白川哲, 八島章博, 長野孝俊, 五味一博 Journal of Japanese Society for Laser Dentistry 30(3): 108-108, 2020.

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