scholarly journals Effectiveness of 2D radiographs in detecting CBCT-based incidental findings in orthodontic patients

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Jin-Young Choi ◽  
Song Hee Oh ◽  
Seong-Hun Kim ◽  
Hyo-Won Ahn ◽  
Yoon-Goo Kang ◽  
...  
Keyword(s):  
Predictive Value ◽  
Incidental Findings ◽  
Three Dimensional ◽  
Anatomical Variations ◽  
Cone Beam ◽  
Large Field ◽  
Radiographic Images ◽  
Orthodontic Patients ◽  
Sensitivity Specificity ◽  
Radiographic Data

AbstractSome craniofacial diseases or anatomical variations are found in radiographic images taken for other purposes. These incidental findings (IFs) can be detected in orthodontic patients, as various radiographs are required for orthodontic diagnosis. The radiographic data of 1020-orthodontic patients were interpreted to evaluate the rates of IFs in three-dimensional (3D) cone-beam-computed tomography (CBCT) with a large field of view (FOV) and investigate the effectiveness and accuracy of two-dimensional (2D) radiographs for detecting IFs compared to CBCT. Prevalence and accuracy in five areas was measured for sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV). The accuracies of various 2D-radiograph were compared through a proportion test. A total of 709-cases (69.5%) of 1020-subjects showed one or more IFs in CBCT images. Nasal cavity was the most affected area. Based on the CBCT images as a gold standard, different accuracies of various 2D-radiographs were observed in each area of the findings. The highest accuracy was confirmed in soft tissue calcifications with comprehensive radiographs. For detecting nasal septum deviations, postero-anterior cephalograms were the most accurate 2D radiograph. In cases the IFs were not determined because of its ambiguity in 2D radiographs, considering them as an absence of findings increased the accuracy.

Effectiveness of 2D Radiographs in Detecting CBCT-based Incidental Findings in Orthodontic Patients

2020 ◽  
Author(s):  
Jin-Young Choi ◽  
Song Hee Oh ◽  
Seong-Hun Kim ◽  
Hyo-Won Ahn ◽  
Yoon-Goo Kang ◽  
...  
Keyword(s):  
Predictive Value ◽  
Incidental Findings ◽  
Three Dimensional ◽  
Anatomical Variations ◽  
Large Field ◽  
Radiographic Images ◽  
Lower Radiation Dose ◽  
Orthodontic Patients ◽  
Sensitivity Specificity ◽  
Radiographic Data

Abstract Some craniofacial diseases or anatomical variations are found in radiographic images taken for other purposes. These incidental findings(IFs) can be detected in orthodontic patients, as various radiographs are required for orthodontic diagnosis. To evaluate the rates of IFs in three-dimensional(3D) cone-beam-computed tomography (CBCT) with a large field of view (FOV) and investigate the effectiveness or accuracy of two-dimensional (2D) radiographs for detecting IFs compared to CBCT, the radiographic data of 1,020-orthodontic patients were interpreted. Prevalence in five areas was measured, and sensitivity, specificity, positive predictive value (PPV), negative predictive value(NPV), and accuracy were calculated. The accuracies of various 2D-radiograph were compared through a proportion test. A total of 709-cases(69.5%) of 1,020-subjects showed one or more IFs in CBCT images. Nasal cavity was the most affected area. Based on the CBCT images as a gold standard, different accuracies of various 2D-radiographs were observed in each area of the findings. The highest accuracy was confirmed in soft tissue calcifications with comprehensive radiographs. For detecting nasal septum deviations, postero anterior cephalograms were the most accurate radiograph. A possible improvement in accuracy for detecting IFs is expected by the development of CBCT with a lower radiation dose and higher resolution.

Sacroiliac joint injections with the guidance of three-dimensional cone beam computerized tomography (3D-CBCT) and fluoroscopy fusion

2020 ◽  
pp. neurintsurg-2020-016212
Author(s):  
Nisa Cem Oren ◽  
Saad Ali ◽  
James Mok ◽  
Zheng Feng Lu ◽  
Seon-Kyu Lee
Keyword(s):  
Real Time ◽  
Sacroiliac Joint ◽  
False Positive Rate ◽  
Three Dimensional ◽  
Final Diagnosis ◽  
Symptomatic Improvement ◽  
Cone Beam ◽  
Injection Technique ◽  
Dimensional Cone ◽  
Sensitivity Specificity

BackgroundWe describe our diagnostic sacroiliac joint (SIJ) injection technique under the guidance of three-dimensional cone beam computed tomography (3D-CBCT) fused with real-time fluoroscopy.MethodsA retrospective review of 17 patients (mean age 55.4 (range 40–74) years) who received a total of 23 diagnostic SIJ injections between March 2016 and November 2017 were performed. Pre- and post-procedure pain scores were reviewed from the medical records and then these findings were correlated with which patients were and were not diagnosed with SIJ pain by clinical management. The final diagnosis of SIJ-related pain was made in cases with at least 50% symptomatic improvement following SIJ-specific pain treatments.ResultsSome 87% (n=20/23) of injections achieved more than 50% pain relief after the diagnostic SIJ injection. The final diagnosis of the target SIJ-related pain after follow-up and management was found in 90% (n=18/20) of cases. There were two cases with positive tests diagnosed as non-SIJ pain including one with the diagnosis of femuroacetabular impingement and one with pain related to loosening of knee hardware. The sensitivity, specificity, positive predictive value, and negative predicative value of diagnostic SIJ injections were 100%, 60%, 89%, and 100%, respectively, with a 40% false-positive rate. There were no procedure-related complications.Conclusion3D-CBCT fused with real-time fluoroscopy for SIJ injection is accurate and safe.

scholarly journals In vivo detection of external apical root resorption induced by apical periodontitis using periapical radiography and cone-beam computed tomography

2021 ◽  
Author(s):  
Stephanie Diaz Huamán ◽  
Maya Fernanda Manfrin Arnez ◽  
Fernanda Maria Machado Pereira Cabral de Oliveira ◽  
Andiara De Rossi ◽  
Léa Assed Bezerra Silva ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Predictive Value ◽  
Root Resorption ◽  
Calculated Data ◽  
Cone Beam ◽  
Predictive Values ◽  
Apical Root Resorption ◽  
External Apical Root Resorption ◽  
Sensitivity Specificity

Abstract Objectives: To investigate sensitivity, specificity, predictive values and accuracy of periapical radiography (PR) and Cone beam computed tomography (CBCT) for detection of external apical root resorption (EARR).Materials and Methods: Dog’s teeth with experimentally induced root resorption underwent or not root canal treatment (n = 62 roots). True positives (TP), false positives (FP), true negatives (TN) and false negatives (FN) in PR and CBCT diagnoses were determined using histopathologic findings as gold standard. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and diagnostic accuracy (TP + TN) in the diagnosis of EARR were calculated. Data was compared using chi-squared test (⍺= 0.05).Results: We found that PR detected EARR in 35% of roots and CBCT, in 47%. EARR was microscopically diagnosed in 50% (p = 0.03 comparison between PR and microscopy; p = 0.67 comparison between CBCT and microscopy). Overall, CBCT produced more accurate diagnoses than PR (0.93 for CBCT versus 0.70 for PR; p = 0.008). Interestingly, when data was stratified into small and large resorptions, PR and CBCT allowed identification of large resorption in 100% of the cases and showed the same accuracy. However, for small resorptions, PR showed an accuracy of 0.83, whereas CBCT showed an accuracy of 0.96 (p = 0.003).Conclusions: We demonstrated that CBCT showed higher accuracy to detect EARR. These findings shed light on the use of CBCT for detection of initial root resorption.Clinical relevance: Early identification of resorption allows a prompt treatment and reduces the risk of dental structure loss.

scholarly journals Midbuccal Canals of Maxillary Molars Evaluated by Cone-Beam Computed Tomography: Endodontic Management of Two Cases

2013 ◽  
Vol 24 (6) ◽  
pp. 575-579 ◽  
Author(s):  
Manoel Brito-Junior ◽  
Gil Moreira-Junior ◽  
Joao Americo Normanha ◽  
Andre Luis Faria-e-Silva ◽  
Carla Cristina Camilo ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Anatomical Variations ◽  
Cone Beam ◽  
Precise Description ◽  
Radiographic Images ◽  
Second Molar ◽  
Root Canals ◽  
Maxillary Molars ◽  
Internal Configuration

Maxillary molars present variable root canal and root morphologies. This report describes the endodontic management of two cases of midbuccal canals found in maxillary molars. Midbuccal canals were present in a maxillary first molar with a single buccal root (Case 1), and in a maxillary second molar with three buccal roots (Case 2). An assessment of the internal configuration of these teeth was performed using cone-beam computed tomography (CBCT). Magnification with a dental operating microscope, surgical loupes, and the use of an endodontic explorer enabled the identification of the midbuccal canal orifices. The root canals in both cases were chemomechanically prepared and filled. Postobturation radiographic images revealed four (one midbuccal, two mesiobuccal and one palatal) and five (one midbuccal, two mesiobuccal, one distobuccal and one palatal) root canals, which were filled in Cases 1 and 2, respectively. Complex canal configurations of maxillary molars including the presence of midbuccal canals were presented. CBCT was a valuable tool in this diagnosis, as it provided a precise description of these unusual anatomical variations.

scholarly journals Mandibular First Molar with Vertucci Type I Canal Configuration diagnosed with the Help of Cone Beam Computed Tomography: A Rare Case Report

2014 ◽  
Vol 15 (6) ◽  
pp. 784-787
Author(s):  
Manoj Agarwal ◽  
HP Trivedi ◽  
Ankit Gaur ◽  
Manju Gupta ◽  
Anuradha Sharma ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Case Report ◽  
Cone Beam Computed Tomography ◽  
Rare Case ◽  
Three Dimensional ◽  
Anatomical Variations ◽  
Cone Beam ◽  
Type I ◽  
Rare Case Report ◽  
Mandibular First Molar

ABSTRACT The knowledge of root canal morphology and the existing anatomical variations is essential for successful endodontic therapy. This report presents an extraordinary case of unusual tooth morphology involving the mandibular first molar with a single root and a single canal in a patient. Endodontic treatment of the affected tooth 36 was performed. Cone beam computed tomography (CBCT) images confirmed our diagnostic and therapeutic measures after endodontic management of the teeth. This morphologic variation has been reported once in the literature. The availability of three-dimensional images further provided the opportunity for the precise description of the anatomy of mandibular first molar with single roots and single canals. How to cite this article Gaur A, Trivedi HP, Gupta M, Sharma A, Likhyani L, Agarwal M. Mandibular First Molar with Vertucci Type I Canal Configuration diagnosed with the Help of Cone Beam Computed Tomography: A Rare Case Report. J Contemp Dent Pract 2014;15(6):784-787.

Incidental findings on cone beam computed tomography in orthodontic patients

2013 ◽  
Vol 40 (1) ◽  
pp. 29-37 ◽  
Author(s):  
Nicholas Drage ◽  
Sheelagh Rogers ◽  
Christopher Greenall ◽  
Rebecca Playle
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Incidental Findings ◽  
Cone Beam ◽  
Orthodontic Patients

scholarly journals Cone-Beam Computed Tomography to Assess Mandibular Invasion in Oral Squamous Cell Carcinoma

2018 ◽  
Vol 8 (2) ◽  
pp. 18-22
Author(s):  
Md Ariful Islam ◽  
Md Nasir Uddin ◽  
Md Shahjahan Ali ◽  
Md Mahfuz Hossain
Keyword(s):  
Computed Tomography ◽  
Squamous Cell Carcinoma ◽  
Oral Squamous Cell Carcinoma ◽  
Positive Predictive Value ◽  
Cell Carcinoma ◽  
Squamous Cell ◽  
Cone Beam Computed Tomography ◽  
Predictive Value ◽  
Cone Beam ◽  
Sensitivity Specificity

Background: Oral squamous cell carcinoma which occurs closely to the mandible has a tendency to invade mandible. An accurate preoperative evaluation of mandibular invasion is important for optimum treatment planning. Aim of this study is to determine the accuracy of CBCT in detection of mandibular invasion in oral squamous cell carcinoma. Study design: In this prospective observational study 35 patients of histologically proven squamous cell carcinoma which was close proximity to the mandible were selected. The results of preoperative CBCT scan of mandible were compared with that of post operative histopathology of bone and thus sensitivity, specificity, negative predictive value, positive predictive value were calculated. Results: Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and accuracy of CBCT were 96%, 90.90%, 96%, 90.90%, 97.14% respectively (Chi squared with Yates correction equals 21.844 with 1 degrees of freedom, p value < o.oooo1). Conclusion: Cone beam computed tomography is a sensitive test and has an acceptable range of specificity. Update Dent. Coll. j: 2018; 8 (2): 18-22

scholarly journals A systematic review on incidental findings in cone beam computed tomography (CBCT) scans

2019 ◽  
Vol 48 (7) ◽  
pp. 20180396 ◽  
Author(s):  
Sandy Dief ◽  
Analia Veitz-Keenan ◽  
Niloufar Amintavakoli ◽  
Richard McGowan
Keyword(s):  
Systematic Review ◽  
Incidental Findings ◽  
Cone Beam ◽  
Large Field ◽  
Medical Attention ◽  
Retention Cyst ◽  
Online Databases ◽  
Mucous Retention Cyst ◽  
Low Prevalence

Objectives: Cone beam CT’s use (CBCT) in dentistry is increasing. Incidental findings (IFs: discoveries unrelated to the original purpose of the scan), are frequently found as a result of a large field of view. The aim of the systematic review is to analyze present literature on IFs using CBCT. Methods and materials: The authors searched online databases of studies and assessed the prevalence of IFs among patients undergoing head and neck CBCT scans. STROBE criteria was used to evaluate the quality of the studies. Results: The original search retrieved 509 abstracts of which only 10 articles met the inclusion criteria. The sample size varied between 90 and 1000 participants. The frequency of IFs of the selected articles were 24.6–94.3%. The most common non-threatening IFs were found in the airway, such as mucous retention cyst (55.1%) and sinusitis (41.7%). Other non-threatening IFs were soft tissue calcifications such as calcified stylohyloid ligament (26.7%), calcified pineal gland (19.2%), and tonsillolith (14.3%). Threatening IFs were rare findings (1.4%). Three articles reported incidental carotid artery calcifications with a prevalence of 5.7–11.6%. Pathological findings were not common between the articles, but still relevant (2.6%). The studies had a risk of bias varying from moderate to low. Conclusions: There is a high frequency of IFs, yet not all of them require immediate medical attention. The low prevalence of threatening IFs emphasizes that CBCT should not be considered a substitution for conventional radiographs, but when used, the scans should be evaluated by a maxillofacial radiologist.

scholarly journals Comparison of Cone Beam Computed Tomography and Digital Radiography in Detecting Separated Endodontic Files and Strip Perforation

2020 ◽  
Vol 10 (23) ◽  
pp. 8726
Author(s):  
Mehrdad Abdinian ◽  
Saba Moshkforoush ◽  
Hamidreza Hemati ◽  
Parisa Soltani ◽  
Mansoure Moshkforoushan ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Digital Radiography ◽  
Cone Beam Computed Tomography ◽  
Predictive Value ◽  
Intraoperative Complications ◽  
Cone Beam ◽  
Control Group ◽  
Root Canals ◽  
Diagnostic Potential ◽  
Sensitivity Specificity

The separation of endodontic files and strip perforation are among procedural intraoperative complications which may ultimately lead to the failure of root canal treatment. The aim of the present study was to compare the diagnostic potential of cone beam computed tomography (CBCT) and digital periapical radiographs in detecting separated rotary files and strip perforation in filled canals. Fifty human mandibular molars were selected for this study. The teeth were randomly divided into two groups based on endodontic errors (i.e., file separation and strip perforation). In each group, 25 of 50 mesial canals were randomly chosen for simulating the errors, while the other 25 canals were considered as the control group. In group one, a simulation of the separation of rotary files was performed using ProTaper F2 files. Strip perforation of the root canals in group two was achieved by number 2 and 3 Gates Glidden drills in the coronal third of the root canals. Digital periapical radiographs in two different horizontal angles and high-resolution CBCT scans were obtained from the teeth mounted on a dry human mandible with simulated soft tissue covering. Three experienced observers who were unaware of the study groups evaluated the digital periapical and CBCT image sets in two separate readings. Intraobserver and interobserver agreements, as well as accuracy, sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV), were calculated and compared. Intraobserver and interobserver agreements ranged from poor to excellent and poor to good, respectively. The accuracy, sensitivity, specificity, PPV, and NPV for digital radiography in detecting separated files were 0.950, 0.813, 0.957, 0.929, and 0.880, respectively. The same values for CBCT were 0.747, 0.667, 0.900, 0.833, and 0.783, respectively. For the diagnosis of strip perforation, these values were 0.855, 0.800, 0.909, 0.889, and 0.833 for periapical radiography and 0.955, 1.000, 0.920, 0.926, and 1.000 for CBCT. In conclusion, CBCT was superior for diagnosing strip perforation of the filled root canals, while digital periapical radiographs performed better in the detection of separated rotary files.

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