ORAL HEALTH EVIDENCE-BASED PRACTICE PROGRAM
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Title Cone Beam Computed Tomography (CBCT) and Multi-slice Computed Tomography (MSCT) Show Equal Ability to Detect the Fine Structures of the Mandibular Nerve
Clinical Question Can we locate the mandibular nerve better with a cone beam computed tomography (CBCT) or with multi-slice Computed tomography (MSCT)?
Clinical Bottom Line The scans of 28 patients who had undergone CBCT and MSCT were compared in 2-D images, and no difference was found in detecting fine anatomical features of the mandibular nerve. (See Comments on the CAT below)
Best Evidence (you may view more info by clicking on the PubMed ID link)
PubMed ID Author / Year Patient Group Study type
(level of evidence)
#1) 20123365Naitoh/2010Images from 28 adult humansClinical Trial
Key resultsComparison of the depection of 5 different fine mandibular anatomical features: Bfid mandibular canal CBCT ≥ MSCT 89%, Buccal foramen CBCT ≥ MSCT 96%, Median lingual bony canal CBCT ≥ MSCT 100%, Accessory mental foramen CBCT = MSCT 100%, Lateral lingual bony canal CBCT = MSCT 100%
Evidence Search ("Mandibular Nerve"[Mesh]) AND "Cone-Beam Computed Tomography"[Mesh]
Comments on
The Evidence
Although the mean time between CBCT and MSCT imaging was 30.1 months, it was considered that the mandibular nerve structures being evaluated did not change during that time. This study agrees with previous studies that both CBCT and MSCT have similair accuracy.
Applicability This was a convenience sample of the 28 (6 males, 22 females) dental implant treatment planning patients who had received both CBCT and MSCT imaging in a Japanese university clinic, for various implant-related clinical indications. Mean age 54.5 years (+/- 10.9 SD).
Specialty/Discipline (Oral Medicine/Pathology/Radiology) (Endodontics) (General Dentistry) (Oral Surgery) (Periodontics) (Prosthodontics) (Restorative Dentistry)
Keywords Cone Beam Computer tomography, CBCT, Multislice Computer Tomography, MSCT, Mandibular nerve
ID# 2082
Date of submission: 09/09/2011spacer
E-mail terryg@uthscsa.edu
Author Glenn Terry
Co-author(s)
Co-author(s) e-mail
Faculty mentor/Co-author Marcel Noujeim, DDS, MS
Faculty mentor/Co-author e-mail Noujeim@uthscsa.edu
Basic Science Rationale
(Mechanisms that may account for and/or explain the clinical question, i.e. is the answer to the clinical question consistent with basic biological, physical and/or behavioral science principles, laws and research?)
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None available
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Comments on the CAT
(FOR PRACTICING DENTISTS' and/or FACULTY COMMENTS ON PUBLISHED CATs)
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by Doug Steffy (San Antonio, TX) on 07/10/2012
I conducted a PUBMED search concerning this topic and found the most recent research supports the findings of this CAT. PUBMED article’s: 20123365, 21860924, and 21778080 all concluded that CBCT and MSCT show comparable abilities to detect fine anatomic structures, as well as pathology in the human mandible.
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