发明名称 |
Pulp Chamber Leak Test |
摘要 |
A method of testing for leakage of a pulp chamber in a modified extracted tooth is provided, wherein the modified extracted tooth comprises enamel, dentine and a pulp chamber. The method comprises: (a) providing an extracted tooth which has been modified by removal of roots and dental pulp so as to create a pulp chamber, the pulp chamber having an opening at one end thereof, which opening is defined by a rim; (b) attaching a first end of a first tube to the rim of the pulp chamber so as to provide an air-tight seal between the first tube and the rim; (c) placing the modified extracted tooth into a liquid; (d) supplying a compressed gas into the pulp chamber via the first tube; and (e) determining visually whether or not bubbles of the gas are released into the liquid at the enamel of the tooth. |
申请公布号 |
US2016245717(A1) |
申请公布日期 |
2016.08.25 |
申请号 |
US201315027583 |
申请日期 |
2013.10.08 |
申请人 |
COLGATE-PALMOLIVE COMPANY |
发明人 |
Pillai Shyamala |
分类号 |
G01M3/06 |
主分类号 |
G01M3/06 |
代理机构 |
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代理人 |
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主权项 |
1. A method of testing for leakage of a pulp chamber in a modified extracted tooth, the modified extracted tooth comprising enamel, dentine and a pulp chamber; the method comprising:
(a) providing an extracted tooth which has been modified by removal of roots and dental pulp so as to create a pulp chamber, the pulp chamber having an opening at one end thereof, which opening is defined by a rim; (b) attaching a first end of a first tube to the rim of the pulp chamber so as to provide an air-tight seal between the first tube and the rim; (c) placing the modified extracted tooth into a liquid; (d) supplying a compressed gas into the pulp chamber via the first tube; and (e) determining visually whether or not bubbles of the gas are released into the liquid at the enamel of the tooth. |
地址 |
New York NY US |