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 代理人
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