Dental instruments and appliances made from a super-flexible alloy, which includes atoms from the group IVB and group VB transition metals and oxygen have superior strength and flexibility. The metal alloys are cold worked to increase the tensile strength of the dental instruments and appliances. Cold...http://www.google.com/patents/US20060008766?utm_source=gb-gplus-sharePatent US20060008766 - Dental instruments made from super-elastic alloys
