Dental film comes in a smaller size.  3x4 and 1 1/2 by 3/4 if I recall
correctly.  Each film is self enclosed.  Does not go through regular
processors very well since it is so small.  They make processors that handle
8 x 10 and smaller.  I know what we use is from Kodak.

Patsy Dunn-Jena
Indiana University School of Dentistry
Mineralized Tissue and Histology Research Laboratory
padunnje@iupui.edu