Assessment of slice thickness effect on visibility of inferior alveolar canal in cone beam computed tomography images

Pour, Daryoush Goodarzi; Arzi, Banafsheh; Shamshiri, Ahmad Reza

doi:10.4103/1735-3327.197041

Cited by 10 publications

(7 citation statements)

References 19 publications

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“…Goodarzipoor and Arzi (2016), in their study, concluded that slice thickness had no effect on IAC visibility in cross-sectional images (16), which was in line with the results of the present study, whose visibility was compared in three thicknesses of 0.5, 1 and 2.…”

Section: Discussionsupporting

confidence: 92%

The evaluation of mandibular canal visibility on cone beam computed tomography (CBCT) images: A cross-sectional study

et al. 2019

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Background and objectives: An effective factor in choosing the correct place for the dental implant and performing surgical procedures in the posterior regions of mandible is the position of the mandibular canal. Failure to consider this important landmark will damage the inferior alveolar nerve. Considering the widespread use of implants and the precision of the images obtained from CBCT. The aim of this study was to evaluate the rate of visibility of mandibular canal by CBCT in order to prevent damage to the inferior alveolar nerves and arteries. Methods: In this study, 90 archived CBCT images of patients from a private center of oral and maxillofacial radiology in Yazd that was taken by technician was evaluated during 2012-2019. The visibility of the mandibular canal in reconstructed panoramic images of CBCT was assessed by a dentistry student trained by the maxillofacial radiologist in five areas in different thicknesses on each side. Data were analyzed using SPSS 17 software. Chi-square, and correlation coefficient were done. Results: In total, in 53.38% of CBCT images both borders of mandibular canal were visible, in 17.95%, only one border was visible (difficult observation) and in 28.7% of cases, lack of visibility of mandibular canal was reported. There was no significant difference between sex, age, side and thickness in mandibular canal visibility (P >0.05). Conclusion: In more than half of CBCT images, both borders were clearly visible in both right and left sides; therefore we can conclude that CBCT is a useful tool for the observation of mandibular canal before surgeries.

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Section: Discussionsupporting

confidence: 92%

The evaluation of mandibular canal visibility on cone beam computed tomography (CBCT) images: A cross-sectional study

et al. 2019

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“…However, several studies demonstrated different conclusions on the dependence of the slice thickness of CBCT scans and the detection of the anatomical and other structures, as well as the way that reduces artefacts [18][19][20][21][22][23][24]. Our choice of slice thickness was 1 mm for good and moderate detection of CS without missing it and with high reduction of artefacts in this case.…”

Section: Discussionmentioning

confidence: 81%

Radiological and Morphometric Features of Canalis Sinuosus in Russian Population: Cone-Beam Computed Tomography Study

Anatoly

Sedov

Gvozdikova

et al. 2019

International Journal of Dentistry

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Introduction. Cone-beam computed tomography (CBCT) is considered to be the most informative radiographic method for pre- and postoperative analysis of the maxillary anatomy and for avoiding further complication. Canalis sinuosus is one of such structures that damage can go along with bleeding and neurological symptomatology. The aim of the study was to investigate radiological and morphometric features of the canalis sinuosus in Russian population using CBCT technique. Materials and Methods. 150 CBCT scans of 61 males and 89 females aged from 24 to 80 years were retrospectively studied with different slice thickness and evaluated with regards to prevalence and diameter among age and gender groups in Russia. Results. CS prevalence in this study was 67%, and CS was most frequently presented in the lateral incisor region (33.5%). Women showed statistically higher CS prevalence (p<0.01) than the male group, and there was no statistically significant difference observed between occurrence and localization of CS and age groups. Conclusion. CBCT examination demonstrated good diagnostic efficiency in CS visualization, and the CS may have variations on its location and prevalence with statistically significant differences between the gender group and without significant differences among age groups and can depend on the population.

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“…A previous study reported that cases of IAN damage were caused more frequently by MTM extraction surgery than by dental implantation or orthognathic surgery [ 10 ]. The spatial relationship between the MTM root and the mandibular canal (MC) is the most significant risk factor for IAN injury [ 11 – 15 ].…”

Section: Introductionmentioning

confidence: 99%

The Risk Factors that Can Increase Possibility of Mandibular Canal Wall Damage in Adult: A Cone-Beam Computed Tomography (CBCT) Study in a Chinese Population

et al. 2018

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BackgroundThe objective of this study was to analyze the factors that can increase the possibility of mandibular canal (MC) defect in Chinese people, to evaluate the risk of nerve impairment, and to choose the proper operative method to reduce the risk of mandibular alveolar nerve injury during the extraction of mandibular third molar (MTM).Material/MethodsA total of 954 patients (1,304 MTMs) who underwent orthopantomography (OPG) and cone-beam computed tomography (CBCT) between July 2014 and December 2014 were included in this study. The age and gender of patients, impacted type (high impaction, moderate impaction, and low impaction), Winter classification of MTM, position of MTM relative to MC, vertical classification of MTM and MC, and the feature images of OPG were collected and compared to the imperfection of the MC wall in CBCT images.ResultsThe wall situation of MC was significantly correlated with the age of the patient, the depth of the molar, the position of the roots, and six imaging appearances on OPG. There was no significant difference based on gender.ConclusionsMost incomplete walls of MCs could be inferred by OPG. However, images based on CBCT could clarify the defect of the MC and also could clearly display the spatial relationship between the root and inferior alveolar canal.

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Assessment of slice thickness effect on visibility of inferior alveolar canal in cone beam computed tomography images

Cited by 10 publications

References 19 publications

The evaluation of mandibular canal visibility on cone beam computed tomography (CBCT) images: A cross-sectional study

The evaluation of mandibular canal visibility on cone beam computed tomography (CBCT) images: A cross-sectional study

Radiological and Morphometric Features of Canalis Sinuosus in Russian Population: Cone-Beam Computed Tomography Study

The Risk Factors that Can Increase Possibility of Mandibular Canal Wall Damage in Adult: A Cone-Beam Computed Tomography (CBCT) Study in a Chinese Population

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