In vivo enamel fluid movement.

Abstract:

:The aim of this study was to visualize fluid movement through dental enamel in vivo. Fifty permanent upper central incisors, from subjects aged 10-70 yr, and 5 permanent central just-erupted incisors, from subjects aged 6-7 yr, were included in the study. An impression was obtained by vinyl polyxiloxane, and replicas were then obtained by polyether impression material. The hydrophobic vinyl polyxiloxane material yielded a morphological image in situ of outward fluid flow through tooth enamel. The study confirmed in vivo that enamel is a permeable substrate, as shown by the presence of droplets on its surface, and demonstrated that age and enamel permeability are closely related. Samples from subjects of different ages showed a decreasing number and size of droplets with increasing age: freshly erupted permanent teeth showed many droplets covering the entire enamel surface. Droplets in permanent teeth were prominent along enamel perikymata.

journal_name

Eur J Oral Sci

authors

Bertacci A,Chersoni S,Davidson CL,Prati C

doi

10.1111/j.1600-0722.2007.00445.x

subject

Has Abstract

pub_date

2007-06-01 00:00:00

pages

169-73

issue

3

eissn

0909-8836

issn

1600-0722

pii

EOS445

journal_volume

115

pub_type

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