| 简介 |
This invention claims a magnetic denture or prostheses connection device. Dental implants are an improved method for tooth replacement in that their performance is more similar to natural teeth than are common plate dentures. Unfortunately the implant method is more complex and difficult to build and install. This translates to higher cost to the patient. In the industry there is a variety of mechanisms for connecting a denture to a variety of implant coupling systems. There are both removable and non-removable types. Non-removable dentures are rigidly screwed to the implants or abutments, whereas removable types use snap-together plastic clips. Removable is better from a hygienic perspective.
Current coupling and connector devices are seldom a perfect fit even after much care and effort by the installer. This puts high forces on some implants and couplers, and imperfect mating of others. Resulting wear eventually requires repair and/or replacement of connector parts. Also it is important to have forces of chewing distributed as uniformly as possible to the jaw-bone. Concentrated forces can cause stresses at the high force areas and bone degradation of areas where no, or low, force occurs.
The high magnetic force of rare earth magnets provide adequate force to retain dentures. While there are many advocates who claim that magnets attached to various body parts do wonderful things, there is no conclusive scientific evidence that verifies these claims. Likewise there is the possibility that high magnetic fields may have harmful effects. For this reason it is desirable that the magnetic fields be contained within any device that will be attached to a place in the body for a long period of time. This invention accomplishes its primary function in a superior fashion while at the same time conserving safety and general health for the applicant. Little, or no, external magnetic fields exist and are totally removed when the denture is removed. These advantages also apply to other applicable prostheses. |
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