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Dental Hygiene

Dental Xrays - XCP Rings

05/28/2010

Question:

What suggestions do you have for making xcp rings more comfortable for the patient

Answer:

Sometimes the Rinn XCP instruments may be uncomfortable for patients with shallow palates, bony growths called tori or a hypersensitive mandibular premolar area.  When this happens, modifications in technique are sometimes necessary.  If a patient has a very shallow or low palate for example, it may be very difficult to keep the film completely parallel to the long axis of the tooth.  If this occurs, then as long as the lack of parallelism is not more than 20 degrees, then the film is usually acceptable and diagnostic.  Cotton rolls may also be used to help keep the film as parallel as possible to the long axis of the tooth. 

With bony growths called tori (plural) place the film between the tori and the tongue or torus (singular); always place the film on the opposite side of the torus and not directly on it. 

Periapical premolar films can be extremely uncomfortable for many patients.  Always make sure the film is place under the tongue and toward the middle of the mouth where there is more room instead of right next to the teeth.  The lower portion of the film can also be curved or softened gently; however, be careful not to bend or crease the film.  Always start with anterior placements before doing the posterior exposures. 

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Response by:

Constance R Kuntupis, RDH, MA Constance R Kuntupis, RDH, MA
Clinical Associate Professor of Dental Radiology
College of Dentistry
The Ohio State University