cone cut

cone cut

An area of a dental radiograph that was not exposed to radiation during imaging as a result of improper aiming of the primary beam. To avoid this problem, the proper point of entry must be carefully calculated.
References in periodicals archive ?
HURST - Sitting in his new office - the sparsely decorated basement of an unassuming 9,000-square-foot building just outside Fort Worth - Christopher Cone cut to the chase during a discussion of academic accreditation.
Below the park is an immense 2,000-space underground car park which will use natural daylight streaming through a huge cone cut through all four levels to enhance lighting.
The holders have a cone cut into the body that allows for nearly tolerance-free clamping of the tool.
You see, that seemingly innocuous little forcing cone cut in the breech area of the barrel is there for a number of reasons.