Erwin Setyawan, Dyah Triswari, and Sari S A. “Differences in Maxillary and Mandibular Premolar Length Distortion at Various Angulation Angles of Periapical Radiographs”. DENTA JURNAL KEDOKTERAN GIGI 18, no. 1 (February 29, 2024): 18–22. Accessed October 21, 2025. https://journal-denta.hangtuah.ac.id/index.php/jurnal/article/view/335.