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Changes in dental waste management and infection control practices towards sustainable infection management

  • Journal of Korean society of Dental Hygiene
  • Abbr : J Korean Soc Dent Hyg
  • 2026, 26(3), pp.361~370
  • DOI : 10.13065/jksdh.2026.26.3.9
  • Publisher : Korean Society of Dental Hygiene
  • Research Area : Medicine and Pharmacy > Dentistry
  • Received : March 24, 2026
  • Accepted : April 27, 2026
  • Published : June 30, 2026

Mi-Ae Sung 1 Joon Sakong 2 Jin-ju Kwon 3

1대구보건대학교 치위생학과
2영남대학교 의과대학 예방의학교실
3영남대학교 의과대학 치과학교실

Accredited

ABSTRACT

Objectives: To evaluate five-year changes (2012–2017) in dental medical waste management, high-risk instrument handling, and waterline maintenance, to identify persistent vulnerabilities, and to establish a baseline for assessing recent Radio Frequency Identification(RFID)-based policy changes in Korea. Methods: A longitudinal follow-up survey was conducted in 82 dental institutions using face-to-face interviews and structured questionnaires. Data were analyzed using descriptive statistics, chi-square tests, and independent t-tests. Results: Despite 68.3% of respondents completing continuing education, inappropriate management of waste items (spittoon solids, contaminated impressions, and sensor covers) persisted in 37.7%–69.5% of institutions, with 4.9%–14.2% showing regression. Incorrect handling of scaler tips (58.5%) and waterlines (76.9%) remained high, whereas there was stable compliance with reusable linens (82.9 %) and endodontic files (71.9 %). Institutional accreditation was the most decisive factor, with accredited clinics achieving 100% compliance across all major categories (p<0.05), and the number of dentists, patient volume, and education were associated with partial improvements. Conclusions: Based on this five-year baseline survey, institutional accreditation was the strongest driver of sustained compliance in high-risk instrument, waste, and waterline management. Integrating incentive-based, rather than penalty-focused policies into the existing RFID-based system, with dentists and dental hygienists jointly leading infection-control coordination, may support a more sustainable dental infection-control framework.

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