A technical note on contamination from PRF tubes containing silica and silicone.

BMC Oral Health · 2021 · PMC7980632 · PMID 33740959

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Following enzymatic digestion of PRF clots, it was extremely apparent/obvious that the silica from the tube walls of plastic tubes, such as IntraSpin, was shed from the walls and incorporated within the PRF clots, which left quite significant byproducts within PRF clots, as observed via SEM in Fig. 2 .

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