Root canal filling materials spread pattern mimicking root fractures in dental CBCT images  

Oleh:

Iikubo, Masahiro ; Osano, Takashi ; Sano, Tsukasa ; Katsumata, Akitoshi ; Ariji, Eiichiro

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology (keterangan: ada di ClinicalKey) vol. 120 no. 04 (Oct. 2015), page 521–527 .

Ketersediaan

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

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Isi artikel

Objective To clarify the cause of artificial tooth–root fracture lines in cone beam computed tomography (CBCT) images caused by root canal filling materials and to enhance the diagnostic performance of CBCT. Study Design We analyzed the CBCT images of 18 extracted human teeth (9 upper central incisors and 9 lower premolars) that were filled with a size 50 gutta-percha cone and inserted into tooth sockets in a human skull. Results The CBCT images of the incisors displayed artificial lines in the oblique directions, notably the mesiobuccal, distolingual, distobuccal and mesiolingual directions, but only rarely in the cross-directions (buccal, lingual, mesial, and distal). In the premolars, the reverse was true, with lines mainly in the cross-directions, mesial and distal directions particularly. The lines were predominantly at the cervical slice. Conclusions Artifacts resulting from root filling material appear along the long axis of the alveolar bones, and resemble root fractures.

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