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. 2021 Nov 10;101(4):384–391. doi: 10.1177/00220345211056287

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© International Association for Dental Research and American Association for Dental, Oral, and Craniofacial Research 2021

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Figure 3. — Aerosolized fluorescein collected by BioSampler and measured using fluorometric analysis. Error bars show 1 SD in each direction. (A) Experiments using the air-turbine handpiece in the open-plan setting (all with suction). Data adjusted for background fluorescence by subtraction of the background reading (25.2 relative fluorescence units [RFU]; n = 12) from all data. (B) Experiments using the ultrasonic scaler in the single-surgery setting. Data adjusted for background fluorescence by subtraction of the background reading (25.8 RFU; n = 12) from all data. LEV, local exhaust ventilation.