| 摘要 |
The invention relates to a hard palate supporting device for pushing apart or anchoring of upper teeth, such as molars and/or premolars. The supporting device comprises: a hard palate supporting element and/or carrier therefor; hinge means by means of which said supporting element or said carrier is rotatable relative to an axis of rotation extending in the transverse direction of the teeth; and tensioning means which on rotation of said supporting element or said carrier in a direction away from the position resting against the hard palate exert on said supporting element or said carrier a force counteracting said rotation. The supporting device can also comprise stop means which limit rotation in the direction of the position resting against the hard palate, preferably to the contact position. The tensioning means are preferably pretensioning means which in the contact position exert a pretensioning load which acts in the contact direction on the supporting element or the carrier.
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