Fig. 6From: A technical note on contamination from PRF tubes containing silica and siliconeEffect of the addition of silicone to glass tubes. (A) Comparative weight analysis of PRF clots produced in plain glass tubes versus those produced in A-PRF glass tubes coated with silicone. Clot membranes increase more than 200% in plain glass tubes. Silicone may be more detrimental to standard clot size than silica (Reprinted with permission from Miron et al. 2021 [13]Back to article page