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Mechanical properties and antibacterial effects on Streptococcus mutans of composite resins containing phytoncide

  • Journal of Korean society of Dental Hygiene
  • Abbr : J Korean Soc Dent Hyg
  • 2019, 19(4), pp.467-477
  • DOI : 10.13065/jksdh.20190042
  • Publisher : Korean Society of Dental Hygiene
  • Research Area : Medicine and Pharmacy > Dentistry
  • Published : August 30, 2019

Myung-Jin Lee 1 김단비 2 김지은 2 문승하 2 손지영 2 이은영 2 JaeSung Kwon ORD ID 1

1연세대학교 치과대학 치과생체재료공학교실 및 연구소
2건양대학교 의과학대학 치위생학과

Accredited

ABSTRACT

Objectives: The aim of this study is to investigate the mechanical properties and antibacterial effects on Streptococcus mutans of composite resins containing phytoncide. Methods: Phytoncide was mixed with commercial composite resins at 0 (control), 1.25, 2.5, 3.75, and 5.0 weight percentage (wt%). Mechanical properties related to composite resins such as surface hardness, depth of cure, and flexural strength were measured. Antibacterial effects of composite resins were analyzed by using Streptococcus mutans (ATCC 25175). The results were analyzed by one-way analysis of variance followed by Tukey’s test ( p<0.05 ). Results: Composite resins that contain low wt% of phytoncide demonstrated no significant difference in surface hardness, depth of cure, and flexural strength ( p >0.05). However, composite resins that contain high wt% of phytoncide had significantly decreased mechanical properties ( p <0.05). In terms of antibacterial effects, composite resins containing phytoncide inhibited the growth of S. mutans . Conclusions: Our findings suggest that novel composite resins containing phytoncide have effective antibacterial properties while maintaining the originally important mechanical features of composite resins.

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