OPG

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OPG

 

High Definition OPG (Panoramic Radiograph)

An OPG ( Panoramic Imaging) is a technique for producing a single image of the facial structures that includes both the upper and lower jaw and their supporting joints along with Temporomandibular Joint (TMJ).

OPG is often used as the initial screening tool.

OPG is most useful clinically for diagnostic problems requiring broad coverage of the jaws.

OPG may be requested for extensive dental diseases, for the assessment of wisdom teeth, for general overview of the teeth and bone which supports the teeth, osseous diseases, suspected large lesions, tooth development and eruption, retained teeth or root tips, TMJ pain, and developmental anomalies.

OPG is also useful for patients who do not tolerate intraoral procedures well.

J Morita’s Veraview X 800 produces OPGs with consistent image quality with uniform focus and the area of interest clearly observable

For children’s smaller jaws, the range of exposure is more narrow to reduce X ray dose.

 

Procedure:

For scanning purposes,you will be asked to remove jewellery, eyeglasses, and any metal objects that may obscure the images. You have to stand erect with the teeth engaged in the sterile bite block and face resting on a small shelf. There is a forehead support to prevent patient movement. During the time of shooting the X-Ray it is important for one to stay still. As any patient movement during the scanning will result in errors in the X-Ray. During this whole procedure no discomfort is felt.


Modifications of OPG:


Partial OPG: 

If a complete panoramic image (OPG) is not needed, a panoramic of only a specified region can be taken. By excluding parts of the dental arch, X-Ray dose is reduced.



Bite - Wing Exposure:

This exposure is useful for prosthetics and diagnosis of mild periodontitis or caries in the proximal spaces of premolars and molars.

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