Effect of non-thermal atmospheric pressure nitrogen and air plasma on the surface properties and the disinfection of denture base resin (상온대기압 질소 및 공기 플라즈마가 의치상용 레진의 표면 특성과 살균효과에 미치는 영향)

서혜연; 유은미; Yu-Ri Choi (최유리); Soo-Hwa Kim (김수화); KWANG MAHN KIM (김광만); KIM KYOUNG NAM (김경남)

doi:10.13065/jksdh.2014.14.05.783

Effect of non-thermal atmospheric pressure nitrogen and air plasma on the surface properties and the disinfection of denture base resin

Journal of Korean society of Dental Hygiene
Abbr : J Korean Soc Dent Hyg
2014, 14(5), pp.783-788
DOI : 10.13065/jksdh.2014.14.05.783
Publisher : Korean Society of Dental Hygiene
Research Area : Medicine and Pharmacy > Dentistry

서혜연 ¹, 유은미 ², Yu-Ri Choi ³, Soo-Hwa Kim ⁴, KWANG MAHN KIM ¹, KIM KYOUNG NAM ¹

¹연세대학교
²신구대학교
³연세대학교 치과대학 치과생체재료공학교실 및 연구소
⁴한양여자대학교

Accredited

ABSTRACT

Objectives : The purpose of this study was to investigate the effect of non-thermal atmospheric pressure plasma jet(NTAPPJ) on surface properties and Streptococcus mutans disinfection of denture base resin. Methods : Self-cured denture base resin (Jet denture repair resin, Lang dental Mfg, co., USA) was used to make specimen(12 mm × 2 mm). To observe surface change before and after plasma process, surface roughness and contact angle were measured. For sterilization experiments, the surfaces of specimens were treated with nitrogen and air NTAPPJ for 1 minute after S. mutans was inoculated on the material surfaces. Results : Before plasma process, surface roughness of denture base resin was 0.21 ㎛ ± 0.02 ㎛. After air and nitrogen NTAPPJ process, surface roughness was 0.19 ㎛ ± 0.03 ㎛ and 0.18 ㎛ ± 0.01 ㎛ respectively. There was no significant difference(p>0.05). Contact angle of control group without plasma process was 83.81ﾟ ± 3.14ﾟ, while after plasma treatment, contact angles of air NTAPPJ and nitrogen NTAPPJ groups were 63.29ﾟ ± 2.27ﾟ and 46.68ﾟ ± 5.82ﾟ respectively. The result showed a significant decrease in contact angle after plasma process(p<0.05). Compared to the control group 6020.33(CFU/mL) without plasma process, CFU decreased significantly after air NTAPPJ 90.75(CFU/mL) and nitrogen NTAPPJ 80.25(CFU/mL) treatment(p<0.05). Conclusions : It was considered that NTAPPJ can be used for denture disinfection without changing surface properties of materials.

KEYWORDS

denture base resin, disinfection, non-thermal atmospheric pressure plasma

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This paper was written with support from the National Research Foundation of Korea.

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Journal of Korean society of Dental Hygiene 2023 KCI Impact Factor : 0.8

Effect of non-thermal atmospheric pressure nitrogen and air plasma on the surface properties and the disinfection of denture base resin

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* References for papers published after 2023 are currently being built.

Journal of Korean society of Dental Hygiene 2023 KCI Impact Factor : 0.8

Effect of non-thermal atmospheric pressure nitrogen and air plasma on the surface properties and the disinfection of denture base resin

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