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Detection of vertical root fracture using cone beam computed tomography: report of two cases.
MedLine Citation:
PMID:  21752189     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Abstract -  Vertical root fractures (VRFs) often occur in endodontically treated teeth and in patients older than 40 years of age. However, VRFs in teeth without endodontic treatment are relatively uncommon. VRFs are difficult to diagnose as the symptoms are non-specific or often delayed. The most common radiographic findings are thickening of the periodontal ligament, deep, localized, vertical bone loss, and localized periradicular bone loss. The explicit feature for detecting VRFs is direct visualization of a radiolucent fracture line on radiographs. However, the fracture line can be difficult to directly visualize in conventional diagnostic methods such as periapical radiographs. If unrecognized, VRFs can lead to frustration and inappropriate endodontic treatment. The two cases reported here demonstrate that the use of cone beam computed tomography (CBCT) successfully diagnoses VRFs on teeth without representative clinical and periapical radiographic findings. The clear fracture line can be discerned from the images of CBCT. Thus, CBCT imaging is useful in rapid diagnosis of VRFs and designing of further treatment.
Authors:
Lu Tang; Xue-Dong Zhou; Yao Wang; Lan Zhang; Qing-Hua Zheng; Ding-Ming Huang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-14
Journal Detail:
Title:  Dental traumatology : official publication of International Association for Dental Traumatology     Volume:  -     ISSN:  1600-9657     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-7-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101091305     Medline TA:  Dent Traumatol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011 John Wiley & Sons A/S.
Affiliation:
State Key Laboratory of Oral Diseases, West China College of Stomatoloy, Sichan University Department of Conservative Dentistry, State Key Laboratory of Oral Diseases, West China College of Stomatology, Sichuan University, Chengdu, China.
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