Abstract
The purpose of this study was to investigate fluoride distribution patterns in different teeth from the same mouth. Fluoride distribution in the cementum was determined in 27 noncarious teeth from a single male cadaver aged 54 years, using the abrasive micro-sampling technique.The following results were obtained.1) The distribution pattern: the fluoride concentration was maximal at or near the external surface layer of the cementum and tended to decrease towards the deep layer and this was roughly consistent in all teeth except numbers (FDI) 15 and 45.2) There was very little difference in the distribution pattern between apical and cervical cementum.3) The distribution patterns of the same tooth types tended to be similar to each other.4) The distribution patterns tended to be roughly similar between right and left homologous teeth and between upper and lower homologous teeth. The patterns appeared to be more similar between upper and lower homologous teeth than between left and right homologous teeth.5) Although the total fluoride values in the cervical cementum were lower than those in the apical cementum, the average and maximum fluoride concentrations in the cervical cementum tended to be higher than those in the apical cementum.
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