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Article

Curved Planar Reformation: A Useful Method for Screening Dental Pathologies in Chronic Rhinosinusitis via Paranasal Sinus Computed Tomography

1
Department of Otolaryngology, College of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University, Kaohsiung 833, Taiwan
2
Department of Oral and Maxillofacial Surgery, College of Medicine, Chiayi Chang Gung Memorial Hospital and Chang Gung University, Chiayi 613, Taiwan
3
Department of Diagnostic Radiology, College of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University, Kaohsiung 833, Taiwan
4
Department of Oral and Maxillofacial Surgery, College of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University, Kaohsiung 833, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Gino Marioni
Tomography 2022, 8(5), 2330-2338; https://doi.org/10.3390/tomography8050194
Received: 7 August 2022 / Revised: 11 September 2022 / Accepted: 14 September 2022 / Published: 16 September 2022
(1) Background: Curved planar reformation (CPR) is a multiplanar reformatting technique of computed tomography (CT) commonly used during dental cone-beam CT (CBCT) to generate panorex-like images for dental evaluation. Here, we evaluated the utility of an additional CPR sequence in detecting dental pathologies in patients with chronic rhinosinusitis (CRS). (2) Methods: CRS patients who underwent paranasal sinus CT were enrolled retrospectively. The CT images featured three orthogonal sequences and a reconstructed CPR sequence. Additional dental CBCT was performed in patients with pathologies with a strongly suspected odontogenic origin. Dental pathologies detected by CT, CPR, and CBCT were analyzed. (3) Results: A total of 82 CRS patients (37 females and 45 males; mean age 47.3 ± 13.7 years) were included, of whom 23 underwent dental CBCT. In total, 1058 maxillary teeth were evaluated. Compared with paranasal sinus CT, CPR identified greater frequencies of dental pathologies, particularly caries (p < 0.001), periapical lesions (p < 0.001), and fistulae (p = 0.014). CBCT identified greater frequencies of periodontal dental pathologies (p = 0.046) and premolar caries (p = 0.002) compared with CPR. CBCT and CPR detected molar dental pathologies at similar frequencies. (4) Conclusions: CPR could increase the diagnostic rate of odontogenic pathologies compared with standard CT orthogonal views, especially when the sinusitis is caused by caries, periapical lesions, or fistulae. The addition of a CPR sequence allows for simple screening of dental pathologies in CRS patients without a need for additional radiation. View Full-Text
Keywords: curved planar reformations; odontogenic sinusitis; cone-beam computed tomography; dental pathology; periapical lesion; fistula curved planar reformations; odontogenic sinusitis; cone-beam computed tomography; dental pathology; periapical lesion; fistula
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MDPI and ACS Style

Chen, W.-C.; Hwang, L.A.; Lin, W.-C.; Wu, C.-N.; Su, W.-C.; Fang, K.-C.; Luo, S.-D. Curved Planar Reformation: A Useful Method for Screening Dental Pathologies in Chronic Rhinosinusitis via Paranasal Sinus Computed Tomography. Tomography 2022, 8, 2330-2338. https://doi.org/10.3390/tomography8050194

AMA Style

Chen W-C, Hwang LA, Lin W-C, Wu C-N, Su W-C, Fang K-C, Luo S-D. Curved Planar Reformation: A Useful Method for Screening Dental Pathologies in Chronic Rhinosinusitis via Paranasal Sinus Computed Tomography. Tomography. 2022; 8(5):2330-2338. https://doi.org/10.3390/tomography8050194

Chicago/Turabian Style

Chen, Wei-Chih, Lisa Alice Hwang, Wei-Che Lin, Ching-Nung Wu, Wei-Chia Su, Kuan-Chung Fang, and Sheng-Dean Luo. 2022. "Curved Planar Reformation: A Useful Method for Screening Dental Pathologies in Chronic Rhinosinusitis via Paranasal Sinus Computed Tomography" Tomography 8, no. 5: 2330-2338. https://doi.org/10.3390/tomography8050194

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