Root fractures due to corrosion Diagnostic aspects

Rud, Jörgen; Omnell, Karl‐Åke

doi:10.1111/j.1600-0722.1970.tb02088.x

Cited by 76 publications

(82 citation statements)

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“…In retrospective clinical reports 10,11) , premolars were found to be the most frequently fractured teeth. However, endodontically treated teeth with MO/DO or MOD cavity restored with a composite resin without cuspal overlay were found to survive for years 12) .…”

Section: Introductionmentioning

confidence: 99%

Fracture resistance of premolars with one remaining cavity wall restored using different techniques

Kıvanç¹,

Alaçam²,

Görgül³

2010

Dent. Mater. J.

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The aim of the study was to compare the fracture resistance of maxillary premolars with one remaining cavity wall restored using different post systems. Forty-eight maxillary premolars were endodontically treated and randomly assigned to four groups for postcore restoration. The first three test groups were restored with polyethylene woven fiber posts, custom-made glass fiber-reinforced composite posts, and titanium posts respectively. In the control Group 4, standardized cavities (3.5×1.5 mm) were prepared in the palatal canal entrance and filled with a resin composite. All the specimens were then restored with a resin composite crown seated on the post. Load was applied with a stainless steel ball (1 mm/min), and the failure modes of all specimens were evaluated. There were no significant differences in fracture resistance and failure mode among the different restorative materials (p>0.05). Within the limitations of this in vitro study, it was concluded that the presence and type of post did not influence the fracture load and failure mode of maxillary premolar teeth with one remaining cavity wall.

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Section: Introductionmentioning

confidence: 99%

Fracture resistance of premolars with one remaining cavity wall restored using different techniques

Kıvanç¹,

Alaçam²,

Görgül³

2010

Dent. Mater. J.

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“…8 One study reported that a fracture line was discernible only on periapical radiographs in 35.7% of cases (134 of 375 teeth). 9 VRFs can generally be diagnosed only by observation of a fracture line with or without a surgical method. [10][11][12] It would be advantageous to find more efficient methods for diagnosing VRF pre-operatively to avoid the cost and effort of unnecessary apical root resections.…”

Section: Introductionmentioning

confidence: 99%

Differential diagnosis of vertical root fractures using reconstructed three-dimensional models of bone defects

Komatsu

Abe²,

Yoshioka³

et al. 2014

Dentomaxillofacial Radiology

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Objectives: The purpose of this study was to evaluate the accuracy of diagnosing vertical root fractures (VRFs) by comparing the volume of bone defects in VRFs with those in nonVRFs on reconstructed three-dimensional (3D) models (TDMs) using CBCT. Methods: 32 maxillary pre-molars and anterior teeth with radiolucent areas were evaluated on pre-operative CBCT images. Of the 32 teeth, 16 had a fractured root (VRF group) and 16 had a non-fractured root (non-VRF group). The radiolucent area of each tooth was traced in each dimension [mesiodistal, buccolingual and horizontal (the apicoincisal aspect)] by two observers, and 3D images were reconstructed with the Amira ® software (Visage Imaging Inc., Richmond, Australia). The volume, V, of the TDM was divided into the coronal side and the periapical side at the horizontal slice through the apical foramen, and v was defined as the volume of the coronal side. The values of v/V were calculated for all cases. The Mann-Whitney U test was used to compare values between the VRF group and the non-VRF group (p , 0.05). A receiver operating characteristic (ROC) curve was constructed to select the optimal cut-point. Results: There was a statistically significant difference in the value of v/V between the two groups (p , 0.05). With a cut-point derived from the ROC curve, and the sensitivity, specificity and accuracy of predicting the VRFs were 1.00, 0.75 and 0.88, respectively. Conclusions: Lesions resulting from VRFs can be distinguished from those of non-VRFs on 3D CBCT images with a high degree of accuracy, based on their different 3D shapes.

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“…It has been shown that in order to visualize a VRF the primary beam of the X-ray must be within 4° of the fracture plane. 31 In late stages of VRF, when there is separation of fragments, it will be apparent in radiographs. One of the common radiographic findings in VRF is a "halo"-shaped radiolucency that may be seen as a periradicular rarefaction/ radiolucency on the lateral aspect of the affected root, which extends apically and to other sides of the root.…”

Section: Radiographs and Cone Beam Computed Tomography In Vrfmentioning

confidence: 99%

Cracks and Fractures in Teeth

PradeepKumar¹,

Subbiya²,

Kavitha³

2017

Journal of Operative Dentistry &Amp; Endodontics

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Cracks and fractures in teeth are difficult to diagnose and treat, especially in the initial stages. The etiology of cracks is still obscure. With an increase in both geriatric population and tooth retention, the incidence of cracked teeth can also increase. There are many types of cracks from simple craze lines to vertical root fracture. An astute clinician should make crack detection a part of diagnostic screening. Proper diagnosis and treatment of cracked teeth is not possible without knowledge of the types of cracks along with associated signs and symptoms. This review presents a brief introduction to the various types of cracks and will aid the clinician in crack identification and management.

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Root fractures due to corrosion Diagnostic aspects

Cited by 76 publications

References 0 publications

Fracture resistance of premolars with one remaining cavity wall restored using different techniques

Fracture resistance of premolars with one remaining cavity wall restored using different techniques

Differential diagnosis of vertical root fractures using reconstructed three-dimensional models of bone defects

Cracks and Fractures in Teeth

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