Dental x ray landmarks

How are dental X rays positioned?
The patient is placed in dorsal recumbency with the skull parallel to the table.
The sensor or film will be placed parallel to the table between the maxillary and mandibular premolars.
The tooth of interest should be centered on the sensor..
What are the landmarks of X-ray?
aim to detect 19 landmarks for each X-ray image, as presented in Figure 1, which are as follows: sella turcica, nasion, orbitale, porion, subspinale, supramentale, pogonion, menton, gnathion, gonion, lower incisal incision, upper incisal incision, upper lip, lower lip, subnasale, soft tissue pogonion, posterior nasal .
Knowledge of the location and normal appearances of these landmarks is important in identification and orientation of radiographs.
This knowledge is valuable to the dental officer in determining whether the area is normal or abnormal. degrees of radiopacity.
The anatomical landmarks in the maxilla are: Limiting Structures. • Labial frenum • Labial vestibule • Buccal frenum • Buccal vestibule • Hamular notch • Posterior palatal seal area (vibrating line).

How are dental X rays positioned?