pH changes in radicular dentine associated with calcium hydroxide and corticosteroid/antibiotic pastes

Research output: Contribution to journalArticle

Abstract

The aim was to compare hydroxyl ion diffusion through dentine following
placement of calcium hydroxide and Ledermix paste. Thirty-six teeth were
divided into one control (n = 6) and three experimental (n = 10) groups – (i)
Pulpdent paste; (ii) Pulpdent/Ledermix pastes; (iii) Ledermix paste and (iv)
Saline. pH was measured in inner and outer dentine cavities over 12 months.
Inner dentine time to maximum pH (Tmax) was 1 week for Pulpdent and
2 weeks for Pulpdent/Ledermix. Pulpdent’s outer dentine Tmax was 4 weeks
and Pulpdent/Ledermix was 10 weeks. After day 1, Pulpdent pH was higher
and this continued for 12 months. Pulpdent’s outer dentine pH was higher
than Ledermix and controls, but not significantly different from Pulpdent/Ledermix. Pulpdent/Ledermix had significantly higher pH than controls and Ledermix from day 5 until 10 months when Pulpdent/Ledermix outer dentine pH decreased and became similar. In all groups, pH reduced after 3 months.
Original languageEnglish
Article numberaej.12280
Number of pages7
JournalAustralian Endodontic Journal
DOIs
Publication statusE-pub ahead of print - 2018

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