Clinical evaluation of a new dental unit designed to prevent internal contamination - Ohsuka, Shinji; Ohta, Michio; Ashoori, Mandana; Usami, Takeshi; Ito, Masao; Masuda, Koji; Ueda, Minoru (Journal of Japanese Society of Dentistry for Medically Compromised Patient, 1994)
Keywords: Air-turbine; Contamination; handpiece; suck-back