Cotinine, trans-3'-hydroxycotinine, and nicotine metabolite ratio indicate association between smoking and tooth loss. Zhang Y, Jia Y, Sun C, Zhang Y, et al. J Periodontol 2025;96:807-816.

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Zhang Y, Jia Y, Sun C, Zhang Y, et al. Cotinine, trans-3'-hydroxycotinine, and nicotine metabolite ratio indicate association between smoking and tooth loss. J Periodontol 2025;96:807-816.
PMID: 39812485