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Results for “DENTAL PULP CAPPING”

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At least 19 recordsLinked to original sources
PubMed1989

Experimental bacterial anachoresis in dog dental pulps capped with calcium hydroxide.

The pulps of 36 permanent dog teeth were mechanically exposed and capped with Dycal, calcium hydroxide powder mixed with saline, or Teflon. At 2, 14, and 28 days postoperatively, nine teeth treated with the materials were extracted (treated control teeth): A suspension of streptococci was then injected intravenously. Twenty-four h later the dogs were killed and both the 27 treated teeth (experimental group) and 6 unoperated control teeth were removed in tissue blocks. Tissue sections were examined for the presence of bacteria, hard tissue formation, inflammatory cell response and necrosis. Bacteria were not observed in the unoperated and treated control teeth or in three of four teeth capped with Teflon for 29 days. In all the remaining specimens colonies of gram-positive cocci were found.

Animals↗
PubMed1985

Pulp capping of dental pulp mechanically exposed to oral microflora: a 1-2 year observation of wound healing in the monkey.

Four adult Rhesus monkeys provided 120 teeth for buccal Class V cavities. Twenty-nine were non-exposed controls and 91 were exposed for 3 intervals. All 120 teeth were capped with a hard set Ca(OH)2 medicament, restored with amalgam, 57 evaluated after 1 year and 63 after 2 years. Of the 91 exposed pulps, 45 showed complete healing, 25 showed pulpal inflammation varying from acute to chronic, 12 showed severe pulpal breakdown and abscess formation and 9 were necrotic. No difference was observed in the healing response between the 3 exposure times. New hard tissue formed at, or subjacent to, the medicament in 77 of 91 exposed pulps with a tunnel defect frequently present, running from the medicament interface to the pulp. This study demonstrates that recurring pulp inflammation observed after 1 & 2 year direct pulp capping, is associated with bacterial contamination.

Animals↗