A bitewing x-ray film holder for interproximal radiographic analysis. The device includes a bite block including a biting portion, a dental medium holder for placement of a dental x-ray imaging medium, and an alignment guide extending along the biting portion to aid a dental professional in achieving...http://www.google.fr/patents/US7871199?utm_source=gb-gplus-shareBrevet US7871199 - Dental x-ray bite block and alignment method
