Which of the following is NOT a source of extrinsic stain? Post author By Anonymous Post date March 25, 2025 Related Posts:Which of the following is NOT a source of extrinsic stain? Which of the following is NOT a source of extrinsic stain? Which acid-fast stain uses steam heat to force stain… ← Which metal is not part of an amalgam alloy? → When a dental trauma occurs such as avulsion of the tooth, h…