Accuracy of Cone-beam Computed Tomography in Measuring Dentin Thickness and Its Potential of Predicting the Remaining Dentin Thickness after Removing Fractured Instruments

Xu, Jialei; He, Jingzhi; Yang, Qian; Huang, Dingming; Zhou, Xuedong; Peters, Ove A.; Gao, Yuan

doi:10.1016/j.joen.2017.03.041

Cited by 31 publications

(23 citation statements)

References 36 publications

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“…In the present study, CBCT was used to evaluate the dentin thickness and root canals of the selected mandibular molars. This technique permits visualization of the root canal system in three planes (axial-coronal-sagittal) that provide the most accurate pre and post-instrumentation measurements of the root canal transportation, centering abilities of the instruments used during treatment and analyse the amount of dentin removed during endodontic treatment (13,35,36) . These measurements were compared to the measurements obtained from the conventional and digital radiography.…”

Section: Discussionmentioning

confidence: 99%

Accuracy of CBCT, Digital and Conventional Radiography in Evaluating the Shaping Performance of a Novel NiTi Rotary System ( An in Vitro Study)

Ammar

Sabet

Bastawy

2020

Egyptian Dental Journal

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Section: Discussionmentioning

confidence: 99%

Accuracy of CBCT, Digital and Conventional Radiography in Evaluating the Shaping Performance of a Novel NiTi Rotary System ( An in Vitro Study)

Ammar

Sabet

Bastawy

2020

Egyptian Dental Journal

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“…It can be a powerful tool in endodontic diagnosis, treatment planning and follow-up [18]. CBCT imaging could measure dentine thickness accurately [19]. Therefore, the aim of this study was to assess the minimum distal dentine thickness of danger zone using CBCT and to analyze the correlation between the dentine thickness and root length, age and gender, side of the MFMs in Chinese population.…”

Section: Introductionmentioning

confidence: 99%

Root dentine thickness of danger zone in mesial roots of mandibular first molars

Zhou

Leng

et al. 2020

BMC Oral Health

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Background: Better understanding of the danger zone anatomy in mesial roots (MRs) of mandibular first molars (MFMs) may serve to decrease the risk of mishaps. This study aimed to measure the minimal distal dentine thicknesses of danger zone in MRs of MFMs in a native Chinese population using cone-beam computed tomography (CBCT). Methods: CBCT images of 1792 MFMs from 898 Chinese patients were analyzed. The minimal distal dentine thicknesses of the mesiobuccal (MB) and mesiolingual (ML) canals below the furcation 1, 2, 3, 4, 5 mm were measured. The association between the minimal distal dentine thicknesses and the root lengths, patient's age and gender, side were assessed. Results: The minimal distal dentine thicknesses of MB and ML canals are located 3 ∼ 4 mm below the furcation for both men and women. There are no differences between MB and ML canals, while the minimal distal dentine thicknesses of MB and ML canals were higher in men than women (P < 0.05), except at 1 and 3 mm of ML canals (P > 0.05). The minimal distal dentine thicknesses of MB and ML canals increased with age in both men and women at each location (P < 0.05). The minimum distal dentine thickness at every location were significantly different between long teeth and short teeth both in men and women (P < 0.05), with short teeth having the smallest mean values. There are no significant differences between two sides (P > 0.05). Conclusions: The minimal distal dentine thicknesses of MRs in MSMs have close correlation with root length, patient's age and gender.

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“…Alternatively, panoramic radiograph can be a reliable source for measuring the gonial angle bilaterally. 9,10 The values of the mean gonial angle obtained from the lateral cephalogram were higher followed by panoramic left and panoramic right radiographs. The mean difference observed between panoramic right, and left was (-1.13), and between panoramic right and lateral cephalogram was (-1.66).…”

Section: Resultsmentioning

confidence: 96%

Digital Radiographic Study of Gonial angle in Forensic Odontology in a Tertiary Care Centre: A Descriptive Cross-sectional Study

et al. 2021

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Introduction: Gonial angle measurements serve as an important parameter of the craniofacial complex and are usually studied on lateral cephalograms, but recently panoramic radiographs have also been used. The aim of this study is to measure the gonial angle using orthopantomogram and lateral cephalogram based on age, gender, ethnicity, and skeletal malocclusion in a tertiary care hospital. Methods: This is a descriptive cross-sectional study comprising 350 selected radiographs of apparently healthy individuals collected for a period of one year, from the Department of Oral Radiology of a tertiary care centre of Nepal. Gonial angle measurements were recorded from digital panoramic radiograph (both right and left side) and lateral cephalogram. Data was collected in terms of age, gender, ethnicity, and skeletal malocclusion and then statistically analysed using the Statistical Package for the Social Sciences version 20. Results: The mean gonial angle for panoramic right, left and lateral cephalogram was 122.490±7.570, 123.620±7.060, and 124.150±6.910, respectively. There was a decrease in the mean values of the gonial angle observed as age advances seen in all the radiographs. The gonial angle measured in Class III malocclusion was higher in all the radiographs, followed by Class II and Class I. Gonial angles obtained in females were higher than the males in all the radiographs. Finally, the Aryan population showed a higher gonial angle compared to the Mongolian population in all the radiographs. Conclusions: Panoramic radiograph (left side), could be considered as a reliable tool to measure the gonial angle.

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Accuracy of Cone-beam Computed Tomography in Measuring Dentin Thickness and Its Potential of Predicting the Remaining Dentin Thickness after Removing Fractured Instruments

Cited by 31 publications

References 36 publications

Accuracy of CBCT, Digital and Conventional Radiography in Evaluating the Shaping Performance of a Novel NiTi Rotary System ( An in Vitro Study)

Accuracy of CBCT, Digital and Conventional Radiography in Evaluating the Shaping Performance of a Novel NiTi Rotary System ( An in Vitro Study)

Root dentine thickness of danger zone in mesial roots of mandibular first molars

Digital Radiographic Study of Gonial angle in Forensic Odontology in a Tertiary Care Centre: A Descriptive Cross-sectional Study

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