Patent
1976-10-18
1978-07-18
Peshock, Robert
A61C 700
Patent
active
041006780
ABSTRACT:
A metal bracket for use in orthodontic treatment is provided which comprises a bracket body for receiving and securing a wire which transmits orthodontic force to the tooth and a support base for supporting said bracket body. A plurality of fine pores in the form of undercut is formed by subjecting the base to sand-blasting treatment and then to etching process. Such metal brackets have strong adhesion to the teeth.
REFERENCES:
patent: 3765091 (1973-10-01), Northcutt
patent: 3932940 (1976-01-01), Andren
Peshock Robert
Workman H. Ross
Young J. Winslow
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