Objectives: Maxillary and mandibular first premolars are amongst the teeth that has a risk to caries and needed to be treated. These teeth were varied in term of root and root canal amount. A successful root canal treatment in premolar teeth is highly dependent on the identification of the number and shape of root canals according to Vertucci. Radiographs are still the main choice in helping dentists establish an adequate diagnosis and treatment plan for root canal treatment. Conventional radiographs produce two-dimensional images which often cause difficulties in interpreting the resulting radiograph images. Modern imaging modalities such as CBCT can be used to produce a more accurate image. The aim of this study was to determine whether there is a difference in the number of root canals of maxillary first premolar teeth displayed on periapical radiographs and CBCT and also to test the accuracy of periapical radiographs in detecting the number of root canals of maxillary first premolar teeth compared to CBCT radiographs. Materials and Methods: This research was experimented by performing periapical radiological examinations and CBCT on 50 maxillary premolar teeth samples, then evaluating the number of visible root canals. Results: The results showed that there was a significant difference in the number of root canals seen on the periapical radiograph and CBCT. Conclusion: CBCT radiographs have the advantage of detecting the number of root canals of maxillary premolars more accurately than periapical radiographs.
Latar belakang: Cone Beam Computed Tomography (CBCT) merupakan salah satu modalitas pencitraan radiologi 3 dimensi yang masih belum optimal digunakan di Indonesia, karena selain mahal harganya juga kemungkinan tingkat pengetahuan dokter gigi tentang CBCT masih kurang. Salah satu penyebab kurangnya pengetahuan bisa jadi karena CBCT tidak termasuk dalam Standar Kompetensi Dokter Gigi Indonesia (SKDGI) sehingga kemungkinan di beberapa Institusi Pendidikan Dokter Gigi (IPDG) tidak banyak diajarkan. Tujuan dilakukan penelitian ini adalah untuk melihat tingkat pengetahuan dokter gigi di Indonesia tentang CBCT. Metode: Desain penelitian deskriptif, data diperoleh menggunakan kuesioner yang ditujukan kepada responden, yaitu dokter gigi di Indonesia yang aktif berpraktik. Data yang didapat lalu diolah menggunakan perangkat lunak Microsoft Excel untuk mendapatkan persentase jawaban dari masing-masing pertanyaan dan disimpulkan apakah mayoritas responden memilih jawaban yang benar atau tidak. Hasil: Hasil menunjukkan pada pertanyaan dengan salah satu pilihan jawaban yang benar, mayoritas responden (lebih dari 50%) menjawab benar. Hal ini menunjukkan bahwa tingkat pengetahuan dokter gigi di Indonesia sudah cukup baik, meskipun masih ada beberapa kekeliruan responden dalam pemahaman tentang CBCT. Kesimpulan: Pengetahuan dokter gigi di Indonesia tentang CBCT berdasarkan penelitian deskriptif sederhana menggunakan kuesioner, menunjukkan bahwa tingkat pengetahuannya sudah cukup baik. Akses informasi di era digital sekarang ini membuat dokter gigi dapat dengan mudahnya memperoleh pengetahuan di luar dari apa yang sudah didapat di pendidikan formal. Perlunya materi tambahan mengenai CBCT di kurikulum pendidikan dokter gigi atau memperbanyak materi tentang CBCT di kegiatan P3KGB dapat menjadi solusi.
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