Abstract : Hitherto, the panorama X-ray picture is thought to be unsuitable for the diagnosis of the soft tissue but one can guess the condition of the inner maxillary sinus to some extent when he observes carefully.
The opinions which are revealed often on the clinical examples diagnosed as chronic odontogenic maxillary sinusitis are concerned with the opaque image like the gigantic columns of clouds which appears from the bottom of the sinus to the side wall of it. The example which decreases the X-ray transparency of the whole sinus is seldom and rather it is an unusual case. These diseased images which are seen in chronic odontogenic maxillary sinusitis disappear and decrease soon after the dental therapy.
This suggests that a part of the sinus mucous membrane near the diseased tooth often swell by the chronic irritation of the tooth but the grater part is normal and retains vigorous healing ability.
It suggests that the characteristic opinions on the panorama X-ray of chronic odontogenic maxillary sinusitis and change of its diseased image are able to be a sign of judging success or failure of endodontics.
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