대한치과의사협회지 (The Journal of the Korean dental association)

  • 제58권1호
  • /
  • Pages.19-26
  • /
  • 2019
  • /
  • 0376-4672(pISSN)
  • /
  • 2713-7961(eISSN)
대한치과의사협회 (The Korean Dental Association)
권호 표지

의치상레진의 3D 프린팅 출력 각도가 Candida albicans의 부착에 미치는 영향

The build angle of 3D printing denture base resin on candida albicans adhesion.

  • 박수정 (단국대학교 치과대학 치과보철학교실) ;
  • 송영균 (단국대학교 치과대학 치과보철학교실)
  • Park, Su-Jung (Department of prosthodontics, College of Dentistry, Dankook University) ;
  • Song, Young-Gyun (Department of prosthodontics, College of Dentistry, Dankook University)
  • 투고 : 2019.06.28
  • 심사 : 2019.10.11
  • 발행 : 2019.12.31
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초록

Purpose: The purpose of this study is to compare the adhesion of Candida albicans according to build angle in 3D printing denture base resin. Methods: The 3D printing was performed by setting the build angle of the disk type specimen designed by CAD program at 0 degree, 30 degrees, 60 degrees, and 90 degrees. Surface roughness was measured using a non-contact 3D microsurface profiler. The specimens were incubated in Candida albicans suspension for 24 hours. The attached Candida albicans were detached by cell scraper. The suspension of detached C. albicans was serially diluted and plated on Trypticase soy broth. After 48 hours of incubation, total colony forming unit was counted. Results: There was no significant difference in surface roughness(Sa) between the test groups, but the interlayer boundary was observed. There was no statistically significant difference in total colony forming units of Candida albicans between the test groups. Conclusion: There was no difference in the average surface roughness and adhesion of Candida albicans between the specimens. It is considered that the setting of the build angle should be set considering the accuracy or strength rather than the roughness of the surface.

키워드

참고문헌

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