Accuracy of Digital Periapical Radiography and Cone-beam Computed Tomography for Diagnosis of Natural and Simulated External Root Resorption

Schröder, Ângela Graciela Deliga; Westphalen, Fernando Henrique; Schröder, Júlio César; Fernandes, Ângela; Westphalen, Vânia Portela Ditzel

doi:10.1016/j.joen.2018.03.011

Cited by 29 publications

(27 citation statements)

References 23 publications

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“…MicroCT systems are widely used in endodontics to analyze the presence of anatomical structures, variations, 19 and lesions, 20 among several other indications. In the present study, it was critical to accurately verify the position of the tip of the file in the apical third of the root canal.…”

Section: Foramen Constrictionmentioning

confidence: 99%

Accuracy of Root ZXII, E-PEX and FIND apex locators in teeth with vital pulp: an in vivo study

et al. 2021

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This research evaluated, in vivo, the accuracy of three electronic apex locators -EALs (Root ZXII, E-PEX and FIND) in teeth with vital pulp submitted to biopulpectomy, preserving the periodontal stump. For this study, 90 single-rooted teeth with extraction indication were selected. After positive pulpal cold sensitivity test, pulp chamber access was performed. The cervical and middle thirds of root canals were instrumented with Reciproc R25, and the K#15 file was used as a standard instrument to determine working length, forming 2 groups: Constriction (insertion of the instrument until the apical constriction limit) and Foramen (insertion of the instrument until the foramen and then repositioning at constriction, without removing the file from the canal). The hand file was stabilized with a light-cured flow resin. After extraction, the samples were analyzed through microCT SkyScan 1272, with CTAN software, which evaluated the proximity between the tip of the file to the apical constriction, providing data for comparative analysis using Kruskal-Wallis and Dunn tests (p<0.05). There was a statistically significant difference in the abilities of the EALs to detect the apical constriction after reaching the foramen with Root ZX II showing higher accuracy (89%). However, there was no difference in the accuracy of the three EALs in detecting the apical constriction without reaching the foramen. Based on the present results, we conclude that EALs may show accurate measures in detecting apical constriction and foramen, even without damaging the periodontal stump in biopulpectomy.

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Section: Foramen Constrictionmentioning

confidence: 99%

Accuracy of Root ZXII, E-PEX and FIND apex locators in teeth with vital pulp: an in vivo study

et al. 2021

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“…Furthermore, periapical radiographs showed significantly lower sensitivity and specificity than CBCT for the detection of ICR lesions [ 43 ]. The superiority of CBCT over periapical radiographs for the diagnosis of resorptive defects has also been demonstrated in in vitro studies [ 44 , 45 , 46 ]. It is highly recommended that CBCT should be used to diagnose and assess the resorptive lesions prior to treatment as stated in American Association of Endodontists/American Association of Oral and Maxillofacial Radiology Joint Position Statement [ 47 ] and European Society of Endodontology Position Statement [ 48 ] concerning the use of CBCT in Endodontics.…”

Section: Diagnosis and Assessment Of Icrmentioning

confidence: 99%

The Disease Process, Diagnosis and Treatment of Invasive Cervical Resorption: A Review

2020

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Invasive cervical resorption (ICR) is a localized, subepithelial, supra-osseous resorptive process of the tooth. Although there are several predisposing factors associated with ICR, its etiology and pathogenesis are poorly understood. The damage to the protective layer on the external root surface appears to allow for the attachment of clastic cells and initiate the resorptive process, which is confined by the inner protective pericanalar resorption-resistant sheet surrounding the root canal space. The use of cone-beam computed tomography (CBCT) is recommended for the diagnosis and assessment of a resorptive lesion. Based on the thorough evaluation of the size and location of the ICR lesion using CBCT, surgical or nonsurgical treatment can be chosen to address the source of the resorption. This review discusses the current status of knowledge regarding the biology of ICR lesions as well as their external or internal treatment using hydraulic calcium silicate-based materials. Future clinical outcome studies are necessary to evaluate the impact of hydraulic calcium silicate-based materials on the healing of ICR lesions.

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“…The common method for detecting external root resorption is conventional or digital intraoral radiography [ 2 , 8 – 10 ]. This is also the method of choice for determining the length of external root resorption [ 11 , 12 ]. However, geometric changes related to the vertical angle can shorten or lengthen the size of the image, resulting in errors [ 11 , 13 ].…”

Section: Introductionmentioning

confidence: 99%

“…This is also the method of choice for determining the length of external root resorption [ 11 , 12 ]. However, geometric changes related to the vertical angle can shorten or lengthen the size of the image, resulting in errors [ 11 , 13 ].…”

Section: Introductionmentioning

confidence: 99%

Diagnostic Accuracy of Periapical Radiography in Detection and Measurement of the External Root Resorption in Primary Molars: A Single-Blind Prospective Clinical Study

Taravati

Balak

Rakhshan

2022

International Journal of Dentistry

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Introduction. Identifying the external root resorption plays an important role in treatment planning for deciduous teeth. Although proper accuracy of digital radiography in the diagnosis of external root resorption has been established in permanent dentition, it cannot be at all generalized to the primary root being superimposed by the succeeding permanent teeth. Interestingly, no study has assessed this in primary teeth yet. Thus, this study was undertaken for the first time. Methods. This was a single-blind prospective clinical diagnostic study performed on 501 observations (observed by 3 observers) pertaining to 167 roots of 45 maxillary/mandibular primary molars (in 6–8-year-old patients) which were indicated for extraction and did have succeeding permanent teeth. Digital parallel periapical radiographs were taken before dental extraction using a PSP sensor. Radiographs were printed and examined by two pediatric dentists. After the extraction, the extent of resorption was directly measured, twice, by third and fourth observers blinded to radiographic estimates. Radiographic errors and absolute errors (mm) were calculated. Various parameters were analyzed statistically. Results. Of the roots, 56.3% were really resorbed with (mean = 5.01 ± 2.10 mm). First/second observers failed to identify 19.6% and 38.3% of roots, respectively. Average errors were −0.77 ± 2.31 and 0.14 ± 2.19 mm in girls and boys, respectively ( P = 0.043 , t-test). The factors “side, jaw, tooth type, and root type” did not affect errors ( P > 0.05 ). Average absolute errors were 1.79 ± 1.47 mm (significantly above zero, P < 0.0005 ). No evaluated factor affected it ( P > 0.1 ). Actual lesion sizes correlated with errors (Pearson R = 0.682, P < 0.0005 ) but not with absolute errors ( P = 0.464 ). Conclusion. Although many deciduous roots might be missed, digital radiography might still provide rather a good accuracy in diagnosis and measurement of external root resorption up to about 1.8 mm absolute error. Observers might overestimate resorption sizes in girls and in cases with actual lesions smaller than 3 mm. Size of the lesion can influence the direction of error (shortening/elongation), but not its directionless magnitude.

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Accuracy of Digital Periapical Radiography and Cone-beam Computed Tomography for Diagnosis of Natural and Simulated External Root Resorption

Cited by 29 publications

References 23 publications

Accuracy of Root ZXII, E-PEX and FIND apex locators in teeth with vital pulp: an in vivo study

Accuracy of Root ZXII, E-PEX and FIND apex locators in teeth with vital pulp: an in vivo study

The Disease Process, Diagnosis and Treatment of Invasive Cervical Resorption: A Review

Diagnostic Accuracy of Periapical Radiography in Detection and Measurement of the External Root Resorption in Primary Molars: A Single-Blind Prospective Clinical Study

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