Table 1 Quality criteria for the x-rays (DPR) in the study
From: Comparison of clinical and dental panoramic findings: a practice-based crossover study
Inclusion criteria | Exclusion criteria |
|---|---|
• DPR at the time of the study not older than 12 months | • Metallic foreign bodies in the head region, e.g. earrings or piercings |
• Standardized setting of the x-ray equipment: chin support, bite bar, voltage (70 kV) and current (9 mA) | • Asymmetrical positioning of the patient |
• False positioning of the patient’s head | |
• Improper presentation of the jaws and the teeth | |
• Comparable/good image quality: (no film overexposure and no soiling of the film) | • recognizable movement of the patient while the picture was being taken |
• Presentation of jaws and teeth distortion-free as much as possible | • overlaying effects |