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… ← Explain how to handle a knocked out tooth until you seek eme… → Whitening is most difficult with teeth that have gray stains…