Cone beam computed tomography image optimization to detect root fractures in endodontically treated teeth: an in vitro (phantom) study

Martina T. Parrone, Boulos Bechara, Samuel Thomas Deahl, Nikita B. Ruparel, Rujuta Katkar, Marcel Noujeim

Research output: Contribution to journalArticle

Abstract

Objectives The aim of this study was to evaluate the effect of an optimization filter (OF) and voxel size on the accuracy of root fracture detection. Study Design Half of 40 endodontically treated roots were fractured, and the other half were left intact. All teeth were randomly placed into 5 bovine ribs. Each rib was scanned with the Planmeca ProMax 3-D using 4 different settings: 75 μm and 100 μm voxel size with and without an OF. Five reviewers reported if a fracture was present by using a 5-point scale. Intra-/interobserver agreement, area under the receiver operative characteristic curve, accuracy, sensitivity, and false-positive rates were analyzed. Results High κ-values indicated strong intra-/interobserver agreement. There was no significant difference in fracture detection between any of the evaluated techniques. Conclusions Because of the decreased cost, dose area product, and time required, compared with the other imaging modalities studied, the high-resolution mode (100 μm) without an OF is recommended for root fracture detection in endodontically treated teeth.

Original languageEnglish (US)
Pages (from-to)613-620
Number of pages8
JournalOral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
Volume123
Issue number5
DOIs
StatePublished - May 1 2017

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Nonvital Tooth
Cone-Beam Computed Tomography
Ribs
In Vitro Techniques
Tooth
Costs and Cost Analysis

ASJC Scopus subject areas

  • Surgery
  • Pathology and Forensic Medicine
  • Oral Surgery
  • Dentistry (miscellaneous)
  • Radiology Nuclear Medicine and imaging

Cite this

Cone beam computed tomography image optimization to detect root fractures in endodontically treated teeth : an in vitro (phantom) study. / Parrone, Martina T.; Bechara, Boulos; Deahl, Samuel Thomas; Ruparel, Nikita B.; Katkar, Rujuta; Noujeim, Marcel.

In: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, Vol. 123, No. 5, 01.05.2017, p. 613-620.

Research output: Contribution to journalArticle

Parrone, Martina T.; Bechara, Boulos; Deahl, Samuel Thomas; Ruparel, Nikita B.; Katkar, Rujuta; Noujeim, Marcel / Cone beam computed tomography image optimization to detect root fractures in endodontically treated teeth : an in vitro (phantom) study.

In: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, Vol. 123, No. 5, 01.05.2017, p. 613-620.

Research output: Contribution to journalArticle

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AB - Objectives The aim of this study was to evaluate the effect of an optimization filter (OF) and voxel size on the accuracy of root fracture detection. Study Design Half of 40 endodontically treated roots were fractured, and the other half were left intact. All teeth were randomly placed into 5 bovine ribs. Each rib was scanned with the Planmeca ProMax 3-D using 4 different settings: 75 μm and 100 μm voxel size with and without an OF. Five reviewers reported if a fracture was present by using a 5-point scale. Intra-/interobserver agreement, area under the receiver operative characteristic curve, accuracy, sensitivity, and false-positive rates were analyzed. Results High κ-values indicated strong intra-/interobserver agreement. There was no significant difference in fracture detection between any of the evaluated techniques. Conclusions Because of the decreased cost, dose area product, and time required, compared with the other imaging modalities studied, the high-resolution mode (100 μm) without an OF is recommended for root fracture detection in endodontically treated teeth.

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