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 For intraoral films, the patients must be under general anesthesia: all considerations should be met (preoperative diagnostics, patient monitoring and support).

 Some tools that can help in taking images include the following (Figure 3.4):Flexible spiral perm roller (from beauty supply stores): can be used to keep sensor in proper position and as a soft mouth gag or wedge. Spring‐loaded mouth gags are inappropriate for veterinary dentistry, are known to cause blindness in cats, [9] and are also risky for dogs.Two tongue depressors joined with a push pin: simple device to help position radiographic beam for intraoral films.Roll of tape: to visually estimate the direction from which the radiographic beam should be aimed.

 Positioning of the film within the oral cavity and positioning of the radiographic beam can be a challenge.Place flat aspect of sensor or white side of film towards X‐ray source.Place film so image of roots will be captured, not crown (Figure 3.5). With a larger dog, this may involve placing the sensor or film further onto the palate or deeper in the intermandibular space. If the periodontal bone margin needs to be evaluated, place sensor centered at the neck of the tooth.