Dentistry – Method or material for testing – treating – restoring – or... – Endodontic
Patent
1996-12-20
1998-08-25
O'Connor, Cary E.
Dentistry
Method or material for testing, treating, restoring, or...
Endodontic
433 81, 424 51, A61C 510
Patent
active
057977453
ABSTRACT:
A radiopaque composition for use in visualizing and cleaning root canal system anatomy, pathologies, anomalies, and iatrogenic conditions. The composition comprises a radiopaque iodine solution and a sodium hypochlorite solution. The iodine solution comprises diatrizoate meglumine and sodium iodine. The iodine solution and sodium hypochlorite solution are mixed in a ratio of between 5:95 to 95:5, by volume. Preferably, the iodine solution and sodium hypochlorite solution are mixed in a ratio of between 30:70 to 70:30, by volume. And more preferably, the iodine solution and sodium hypochlorite solution are mixed in a ratio of between 45:55 to 55:45, by volume. In use, the root canal system anatomy, anomaly, pathology, or iatrogenic condition to be visualized and addressed or treated is liberally flushed with the composition, preferably after the root canal system has been exposed. The sodium hypochlorite in the composition will digest pulp in the canal system and destroy and remove any organisms and irritants residing in or on the anatomy, anomaly, or pathology. The iodine in the solution will enable a dentist to take a high contrast X-ray to visualize the anatomy, anomaly, pathology, or iatrogenic event in three-dimensions. The solution is particularly effective for visualizing root canal systems.
REFERENCES:
patent: 5106301 (1992-04-01), Miyahara et al.
patent: 5318788 (1994-06-01), Illig et al.
Scarfe, et al., Journal of Endodontics, Apr. 1995, vol. 21, No. 4, pp. 185-190.
Shearer, et al., International Endodontic Journal, 1996, vol. 29, pp. 95-98 .
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