Is it possible to diagnose caries under fixed partial dentures with cone beam computed tomography?  

Oleh:

Aglarci, Osman Sami ; Bilgin, Mehmet Selim ; Erdem, Ali ; Ertas, Elif Tarim

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology (keterangan: ada di ClinicalKey) vol. 119 no. 05 (May 2015), page 579–583 .

Ketersediaan

Perpustakaan FK Nomor Panggil: O04.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Objective The goal of this study was to determine the possibility of detecting/diagnosing caries under fixed partial dentures using cone beam computed tomography. Study Design A range of teeth with grade 3 to 6 caries, according to International Caries Detection and Assessment System criteria, were selected. All teeth were prepared, and three different specimens— zirconia full-ceramic, lithium disilicate full-ceramic, and metal-supported ceramic crowns—were built for each tooth. Each specimen underwent scanning by cone beam computed tomography. Opacity values were recorded and evaluated using two-way analysis of variance. The Tukey test was performed for material and slice differences, and the t test for mean gray value differences, between caries and noncaries regions of each material. Results Significant differences were detected with respect to horizontal location (anterior/posterior), restoration type (crown/bridge), material (zirconia/lithium disilicate/metal), and situation (caries/noncaries) (P < .001). Mean gray values of caries and noncaries regions were found to differ for each material. There were no significant differences with respect to vertical position. Conclusions Cone beam computed tomography can be used as a posttreatment diagnostic technique for detecting caries under high-atomic-number fixed plate dentures. By combining high resolution and accuracy, cone beam computed tomography could provide the means for diagnosing caries without removing fixed plate dentures.

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