Differential diagnoses for the bilateral multiple radiopaque materials superimposed in the panoramic and periapical radiographs

• Feng-Chou Cheng,
• Julia Yu-Fong Chang,
• Chun-Pin Chiang

Affiliations

Feng-Chou Cheng

Chia-Te Dental Clinic, New Taipei City, Taiwan; School of Life Science, College of Science, National Taiwan Normal University, Taipei, Taiwan; Science Education Center, National Taiwan Normal University, Taipei, Taiwan

Julia Yu-Fong Chang

Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan; Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan; Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan; Corresponding author. Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, No. 1, Chang-Te Street, Taipei, 10048, Taiwan.

Chun-Pin Chiang

Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan; Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan; Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan; Department of Dentistry, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan; Corresponding author. Department of Dentistry, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, No. 707, Section 3, Chung-Yang Road, Hualien, 970, Taiwan.