The EndoVac system from Discus Dental removed more debris than conventional irrigation in a study reported this month in Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology (March 2010, Vol. 109:3, pp. 479-484).
For the study, researchers at Yonsei University in South Korea divided 69 single-rooted teeth into three groups. They used 24-gauge needles to irrigate the first group, 30-gauge to irrigate the second group, and EndoVac for the third.
They subdivided each group according to the master apical file (MAF) size (#25, #40, and #60). Four-micron-thick serial sections were prepared at 1.5 mm and 3.5 mm from the apical level, and photographs were taken for the analysis.
All three systems resulted in "clean" canals, the researchers reported, but they found that the EndoVac removed significantly more debris than the two conventional needle irrigation systems (p < 0.05). They also found that the larger MAF size removed more debris than the smaller MAF size (p < 0.05).
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