Mounting Films

Films must be mounted consistently and correctly. The x-ray mount should have the full name of the patient, the date of exposure, and the name of the person taking the radiographs.

In the standard method of mounting, the raised dot is oriented upward for bitewings and toward the incisal or occlusal edges of all periapicals. This dot is always facing the tube head so if this convention is followed, on the resulting films if the dot is on the right of the film, the film was taken on the patient's right side, and if the dot is on the left side of the film, the film was taken on the patient's left side. By orienting the dot toward the occlusal or incisal edge of periapicals the dot will not interfere with periapical anatomy.

When the radiographs are dry, take them with the mount to an area with a view box. Turn all the films so the dots are facing up. Take all maxillary films and group them together. Put the bitewing x-rays to the side. Face all mandibular films (dot still up) with the incisal edges and the occlusal surfaces up and all the maxillary films with the incisal edges and the occlusal surfaces down. Mount the x-rays from the facial aspect (from the outside in) as if you are standing in front of the patient. The films representing the left side of the patient are mounted on your right side. Sort the anterior films and mount them. Then mount the premolars then the molar views. Mount the bitewing films. Empty frames on the film mount should be blocked with an opaque film blank. Check that the dots are all on the same side and that objects and restorations on the periapicals match the same areas on the bitewings. Check the root curvatures to make sure they are all towards the distal. The general curve of the occlusal edges should be upturned at the ends, like a smile.

The most common orientation is with the dot raised (pimple), but some practitioners prefer to view x-rays with the dot oriented downward (dimple). The "correct" way to mount x-rays is according to the direction of the dentist who will be using them.

Dentists and allied dental professionals often seek CE courses from ADA CERP recognized providers to fulfill their CE requirements for re-licensure. Most state and provincial licensing boards will accept CE credits issued by ADA CERP recognized providers. In the spring of 2003, the FDI World Dental Federation became the first internationally based CE provider to be granted ADA CERP recognition.

Please contact your state board directly for their specific rules and regulations. Most states approve supervised self-study courses that are ADA CERP accredited.

Those dentists, hygienists, dental assistants and radiographers interested in receiving 3 continuing education credits for this course may take a 10 question test at a cost of $35 and receive their certificate immediately by clicking here.

Those dentists, hygienists, dental assistants and radiographers interested in receiving 8 continuing education credits for this course may take a 25 question test at a cost of $66 and receive their certificate immediately by clicking here.

Note: There are no questions on tables or Glossary.

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