The ‘Sharpen’ filter improves the radiographic detection of vertical root fractures

Nascimento, Helena Aguiar Ribeiro do; Ramos, Ana Carolina Araújo; Neves, Frederico Sampaio; de-Azevedo-Vaz, Sérgio Lins; Freitas, Deborah Queiroz

doi:10.1111/iej.12331

Cited by 33 publications

(21 citation statements)

References 39 publications

(91 reference statements)

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“…It is important to consider that there is currently a wide variety of digital systems available and the effectiveness of the systems can be relative conditional on diagnostic task (Nascimento et al . ,b). In this way, the effects of delayed PSP scanning can be different depending on digital systems.…”

Section: Introductionmentioning

confidence: 99%

Effect of delayed scanning on imaging and on the diagnostic accuracy of vertical root fractures in two photostimulable phosphor plates digital systems

et al. 2015

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Section: Introductionmentioning

confidence: 99%

Effect of delayed scanning on imaging and on the diagnostic accuracy of vertical root fractures in two photostimulable phosphor plates digital systems

et al. 2015

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“…Furthermore, periapical radiography provides a two-dimensional representation of threedimensional anatomical structures; thus, the tooth and the surrounding structures may mask the fracture, particularly if the beam does not pass along the fracture line. [5][6][7][8][9] CBCT has been used for proper diagnosis of root fractures to overcome the inherent disadvantages of anatomic superimposition. 10 CBCT has allowed dental practitioners to visualize teeth three-dimensionally and with high spatial resolution.…”

Section: Introductionmentioning

confidence: 99%

Influence of CBCT enhancement filters on diagnosis of vertical root fractures: a simulation study in endodontically treated teeth with and without intracanal posts

Ferreira

Visconti²,

Nascimento³

et al. 2015

Dentomaxillofacial Radiology

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Objectives: To evaluate the influence of CBCT enhancement filters on the diagnosis of vertical root fractures (VRFs) in teeth with and without metal posts. Methods: The crowns of 40 uniradicular human teeth were removed and all roots were prepared. 20 teeth were randomly selected, and VRFs were induced using a universal testing machine. The i-CAT (Imaging Sciences International, Hatfield, PA) CBCT was used to scan teeth with and without intracanal metal posts using the following parameters: 0.2 voxel size, 8 3 8-cm scan size and acquisition time of 26.9 s. Images were evaluated by three observers with and without the use of the following filters: S9, smooth, smooth 3 3 3, sharpen, sharpenmild and sharpen 3 3 3. Results: Intra-and interobserver agreement ranged from poor to moderate. Images with and without CBCT filters did not show significant differences regarding the area under the receiver operating characteristic curve, as well as sensitivity (p . 0.05). As for accuracy, the sharpen-mild filter was superior to the sharpen (p 5 0.03), but these filters did not differ from all others. For specificity, S9, smooth and original images were superior to sharpen (p , 0.01). Results for teeth without posts differed from those for teeth with metal posts in all cases (p , 0.05). Conclusions: The use of enhancement filters in CBCT images has no influence on the diagnosis of VRFs in teeth with metal posts, and their use is not justified.

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“…However, within a clinical setting, the results are not that clear and convincing [ 34 ]. Several variables may infl uence the interpretation of these diagnostic tools: presence or not of root fi lling and postmaterial [ 30 , 31 , 35 , 36 ], various parameters used for interpreting the digital images [ 32 ], as well as the voxel size used when evaluating the tomographic fi eld of view [ 30 ].…”

Section: Advances Of Diagnostic Tools Is Crucial From a Medicolegal Vmentioning

confidence: 99%

Medicolegal Aspects of Vertical Root Fractures

Bjørndal

Nielsen

2015

Vertical Root Fractures in Dentistry

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The vertical root fracture may appear in conjunction with a physical or occlusal trauma or iatrogenic complications often encompassing endodontic and prosthodontic treatments involving the placement of a post. Under certain circumstances, this complex scenario may trigger a wish from the patient for economic compensation. The determination of a fractured root is complicated and challenging as it is often not distinctly objective and more a prediction rather than a defi nitive diagnosis. In case a vertical root fracture is suspected, a timely decision regarding the diagnosis is required to avoid unnecessary bone loss and ensuing legal claim. In many parts of the world, the patient would have to take the practitioner into a civil court to get compensation. However, in a number of countries, there is legislation which deals with injuries in relation to medical treatment or compensation. Medicolegal considerations are in a few countries particularly detailed. Within these countries, dental complaints and insurance cases are relatively frequently occurring. A subcategorization of endodonticsrelated complaints shows that the inadequate root fi lling represents a major risk for complaints. In combination with the occurrence of vertical root fractures, it represents a challenging complication clinically as well as medicolegally, because inadequate root fi lling may mask the presence of a vertical root fracture. Statistics about claims may indicate where risk management and educational

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The ‘Sharpen’ filter improves the radiographic detection of vertical root fractures

Abstract: When using the Digora Optime(®) system, the 'Sharpen' filter is recommended to improve the radiographic detection of vertical root fractures.

Cited by 33 publications

References 39 publications

Effect of delayed scanning on imaging and on the diagnostic accuracy of vertical root fractures in two photostimulable phosphor plates digital systems

Effect of delayed scanning on imaging and on the diagnostic accuracy of vertical root fractures in two photostimulable phosphor plates digital systems

Influence of CBCT enhancement filters on diagnosis of vertical root fractures: a simulation study in endodontically treated teeth with and without intracanal posts

Medicolegal Aspects of Vertical Root Fractures

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