Dentistry – Apparatus – Having intra-oral dispensing means
Patent
1982-01-11
1983-05-24
Peshock, Robert
Dentistry
Apparatus
Having intra-oral dispensing means
433 91, A61C 502
Patent
active
043848524
ABSTRACT:
Dental root canal-treating appliance usable for cleaning pulp cavity and/or for application of medicine in the treatment of the root canal, the appliance being in the form of a slender rod of the diameter larger than 0.3 mm and of the length about 30 mm with appropriate numbers of continuous slits or conduits for absorption of liquid and/or blood in the canal and/or for retention of the medicine, at least one end of the rod, over the length less than about 2 mm from the tip, a thinner end section of the diameter about 0.25 mm being formed so that a shoulder is formed, the shoulder acts as an engagement-edge or stop-edge against the bottom of the canal and apical foramen in the diseased teeth.
REFERENCES:
patent: D247574 (1978-03-01), Orsing
patent: 1189735 (1916-07-01), Quintin
Suzuki Churyo
Tanaka Fumio
Yamauchi Motonori
Peshock Robert
Showa Yakuhin Kako Co. Ltd.
Tokyo Boshi Kabushiki Kaisha
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