Comparative radiopacity of tetracalcium phosphate and other root-end filling materials

C. D. Laghios, B. W. Benson, J. L. Gutmann, C. W. Cutler

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

Aim: This study compared the radiopacity of tetracalcium phosphate (TTCP) and 11 root-end filling materials relative to human dentine. Methodology: Specimens of 2 mm thickness and a graduated aluminium stepwedge were placed on dental X-ray films and exposed to an X-ray beam. The optical densities of the specimens and aluminium steps were measured. The optical densities of the specimens were correlated to the equivalent thickness of aluminium with a regression analysis equation. The equation was used to calculate the equivalent aluminium thickness of each of the specimens. Results: Nine of the materials were found to be of acceptable radiopacity (at least 2 mm Al more radiopaque than dentine). TCCP and two of the glass-ionomer compounds were found to have insufficient radiopacity to be radiographically distinguishable from human dentine. Conclusions: All the materials were found to be distinguishable radiographically from dentine, except for Vitrebond, TTCP and Ketac-Fil. Amalgam was the most radiopaque material and Ketac-Fil was the least radiopaque material tested.

Original languageEnglish (US)
Pages (from-to)311-315
Number of pages5
JournalInternational Endodontic Journal
Volume33
Issue number4
DOIs
StatePublished - Jul 2000
Externally publishedYes

Keywords

  • Apicectomy
  • Endodontics
  • Radiopacity
  • Root-end filling
  • Tetracalcium phosphate

ASJC Scopus subject areas

  • Dentistry(all)

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