A dental camera is provided having multiple lenses. The dental camera has at least a first lens for use in an intra-oral mode, and at least a second lens for use in an extra-oral mode. The dental camera is switchable between the intra-oral mode and the extra-oral mode. Each lens is associated with an...http://www.google.co.uk/patents/US6908307?utm_source=gb-gplus-sharePatent US6908307 - Dental camera utilizing multiple lenses
