12 Aug
By Dr. Wael Mansour
Mach band effect
The Mach band effect is an optical illusion in which the eye exaggerates contrast where two densities meet, creating an apparent dark band that is not present in the image.
10 Aug
By Dr. Wael Mansour
Cervical burnout
Cervical burnout is a radiolucency at the neck of a tooth caused by overpenetration of the thinner cervical tooth structure. It is an imaging artifact, not lost tooth structure.
24 Jun
By Dr. Wael Mansour
Interproximal Caries on a Bitewing: Why the X-Ray Makes It Look Smaller Than It Is
Interproximal caries hides under the contact point and looks smaller on a bitewing than it really is. Here's how to read the dark triangle and when to treat.