Why you should have a high tech video exam:
 The Photos

The Dangers of Old, Leaking, Silver Fillings
( Click here for a written dialog on  what's under leaking fillings )

Leaky filling: notice blue-gray shadow on the lower right corner of the tooth	Old, leaking filling removed: Notice the deep, black decay in center of the tooth.
With the camera fixed in position, you can see decay under the tooth point in the upper right side.	A red food dye cavity detector marks the spot of decay under the lower right tooth point.
See where the decay was removed under the formerly gray tooth  point.	Laser bonded filling: The blue-gray shadow is gone, even though the part of the tooth that had the blue-gray color is still there
This old filling was removed because of a "gray shadow."  The outside of the filling looks nice and shiny. However...	...The inside of the filling, where it was leaking and allowing decay, shows the black bacterial smear.

The Dangers of Old, Leaking, Silver Fillings
( Click here for a written dialog on what's under leaking fillings and why you need a video exam of old fillings )

The scoop on mercury-silver fillings

Caries Diagnosis Scientific Atricle