Aerosol Particle Release at Finishing of Dental Composites.

0477661 - ÚCHP 2018 CH eng C - Conference Paper (international conference)
Ondráčková, Lucie - Bradna, P. - Ždímal, Vladimír - Pelclová, D.
Aerosol Particle Release at Finishing of Dental Composites.
Program. -: European Aerosol Assembly, 2017, č. článku T410N41c. ISBN N.
[European Aerosol Conference EAC2017. Zurich (CH), 27.08.2017-01.09.2017]
Institutional support: RVO:67985858
Keywords : aerosol particles * dental composites * grinding
OECD category: Public and environmental health

Experiments were performed in a closed experimental room (2.0 x 1.3 X 2.5 m) where the electrical micromotor, control unit and particle spectrometers were situated, and the operator ground the specimens surface. Aerosol particle concentration and size distribution were measured by two different on-line spectrometers SMPS 3936 (Scanning Mobility Particle Sizer) and APS 3321 (Aerodynamic Particle Sizer). For each experiment a new bur was used and grinding was done without water cooling. Start time of the grinding was synchronized with the beginning of particle size scanning that took 120 s. After grinding, the operator remained in the experimental chamber during the next 3 or 5 scans, depending on the time evolution of particle concentration.
Permanent Link: http://hdl.handle.net/11104/0273939