Whitening chemistry Tooth discoloration is caused by chromogens, which are colored compounds that can accumulate either within the tooth (intrinsic stains) or on its surface (extrinsic stains). Chromogens can be…
Whitening chemistry Tooth discoloration is caused by chromogens, which are colored compounds that can accumulate either within the tooth (intrinsic stains) or on its surface (extrinsic stains). Chromogens can be…