A combined radiographic and computerized scanning method to evaluate remaining dentine thickness in mandibular incisors after various intracanal procedures

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Abstract

Aim: To develop a computerized model to evaluate remaining dentine thickness after various intracanal procedures. Methodology: A three-step model was developed, in which injection of radiopaque solution into the root-canal space of 20 extracted mandibular incisors, exposure of periapical radiographs from two directions, and computerized scanning and printing of the image were combined. Following root-canal preparation and preparation of post space, evaluation of remaining dentine thickness was completed using appropriate software. Results: Remaining dentine thickness was significantly affected (P < 0.01) by place (mesial-distal more than buccal-lingual), stage (root-canal preparation more than post space) and location (coronal more than middle and apical). Conclusions: This in vitro study confirmed that in an oval root-canal space, the mesial and distal aspects are mainly affected by intraradicular procedures. The three-step method is a useful tool to evaluate root-canal instrumentation as the root or tooth can remain intact during the procedure.

Original languageEnglish
Pages (from-to)682-686
Number of pages5
JournalInternational Endodontic Journal
Volume36
Issue number10
DOIs
StatePublished - Oct 2003

Keywords

  • Canal preparation
  • Computerized photography
  • Mandibular incisors
  • Remaining dentine thickness

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