Hard palate supporting device and method of making it ready for

Details Hard palate supporting device and method of making it ready for Hard palate supporting device and method of making it ready for

1997-09-03

1999-04-20

Lucchesi, Nicholas D.

Dentistry

Orthodontics

By device having means to apply outwardly directed force

433 18, 433 21, A61C 300

Patent

active

058952179

ABSTRACT:
A hard palate supporting device for pushing apart or anchoring of upper teeth, such as molars and/or premolars, includes a hard palate supporting element and/or carrier therefor, a hinge by means of which the supporting element or carrier is rotatable relative to an axis of rotation extending in the transverse direction of the teeth, and a spring which on rotation of the supporting element or carrier in a direction away from the position resting against the hard palate exerts on the supporting element or carrier a force counter-acting such rotation. The supporting device can also include a stopper which limits rotation in the direction of the position resting against the hard palate, preferably to the contact position.

REFERENCES:
patent: 1582570 (1926-04-01), Brust
patent: 3293474 (1966-12-01), Denholtz
patent: 4272240 (1981-06-01), Glassman
patent: 5064370 (1991-11-01), Jones
patent: 5096416 (1992-03-01), Hulsink
P. Barwart et al., "Removable Nance Appliance, " The Journal of Clinical Orthodontics, Aug. 1996, pp. 447-449.

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