| 摘要 |
A turning arm (2) holds a X-ray generator (3) and a X-ray detector (4) detecting amount of X-rays transmitted to patient tooth, at both its ends. The rotation drive units drives the arm, such that rotational centers (5a,6a) of the drive unit are positioned at predetermined imaging area (7a) of patient tooth. The image of tooth is created based on detected X-ray amount. |
