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  • Title: Fluoride distribution in dentine and cementum in human permanent teeth with vital and non-vital pulps.
    Author: Mukai M, Ikeda M, Yanagihara T, Hara G, Kato K, Ishiguro K, Nakagaki H, Robinson C.
    Journal: Arch Oral Biol; 1994 Mar; 39(3):191-6. PubMed ID: 8018051.
    Abstract:
    Twenty-two selected permanent teeth [11 with vital pulps and 11 with non-vital (necrotic) pulps] were obtained from patients aged from 20 to 73 yr in Nagoya, Japan. Fluoride (F) profiles in tooth samples were examined by using an abrasive micro-sampling technique. F levels in the pulpal dentine were significantly higher in vital than non-vital teeth for each age group, although there were observed increases of F with age. In the cementum the F levels were strongly related to age and there were few differences in profiles and levels of F between vital and non-vital teeth. It was concluded that vital pulp is an important factor for the pulpal dentine to absorb fluoride.
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