Of 133 decontaminated Siqveland matrices recovered from general dental practices, residual blood was detected on 21% of the matrix bands and 19% of the retainers. Ultrasonic baths were significantly ...
Assembled Siqveland matrix bands are contaminated with blood. Current pre-cleaning methods cannot remove blood from assembled bands. Siqveland matrix bands should be discarded after use on one patient ...
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