Abstract:Abstract--InMarch 1953 water-fluoridation was started in Tiel, the Netherlands. From the caries numbers of three age classes the differences in caries inhibition for the various teeth and for the various tooth surfaces are shown after 54 years of fluoridation.The free smooth surfaces (buccal and labial) show an important caries reduction even if fluoridation started some years after the eruption of the tooth. If waterfluoridation is started 2 or 3 years before eruption the differences are hardly any greater.So… Show more
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