Original ResearchPublished 30 September 2026Biweekly versus triweekly hydrogen peroxide shock treatment for controlling dental unit waterline contamination: a single-center pilot randomized clinical studyJingcheng Wen · Wenjing Liu · Tianyi Shao · Jing Chang · Yanying Li · Ting Shuai · Xiue LiFrontiers in Oral Healthdoi 10.3389/froh.2026.1842649