Dentistry – Method or material for testing – treating – restoring – or...
Patent
1991-04-25
1993-02-09
Swiatek, Robert P.
Dentistry
Method or material for testing, treating, restoring, or...
433 24, A61C 500, A61C 300
Patent
active
051849550
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a device for the temporary fixation of teeth, teeth rows or jaw parts, especially in the case of tooth dislocation and in the case of surgical interventions on jaws.
Wounds in the area of the teeth and jaw lead in many cases to the loosening of teeth which can usually still be saved, providing that the necessary emergency treatment can take place quickly. Within the scope of such emergency treatment, the traumatized teeth are repositioned and must then subsequently be temporarily fixed to the undislocated neighboring teeth as quickly as possible by means of splinting. The immediate repositioning and splinting is an absolutely urgent prerequisite for successful treatment because of the rapid degeneration of the remaining periodontal tissue as well as the formation of blood clots in the alveolar area, which hinder the repositioning of the dislocated tooth. There is also the risk that after a certain period of time an initially partially disllocated tooth detaches itself and enters the windpipe.
Splints in the area of the teeth can also be necessary in order to bring about temporary, and more specifically intramandibular, intramaxillary or intermaxillary, fixations in jaw surgery.
According to a known currently used technique, the dislocated and repositioned tooth is connected to its neighboring teeth by means of a metal wire which, after an etching pretreatment, is fixed to the front surface of the teeth by means of composite material. The use of this known method requires special mastery of material and technique and can thus only be carried out by a dentist but not by the emergency doctor or the family doctor who in such cases is usually initially called in or available.
For the long-term after-treatment of gnathoorthopedic cases, it is known to stick rigid, metal holding elements, so-called brackets, onto the tooth surface. All these holding elements are connected to one another by means of a metal wire which is loosely guided through them. By means of tensioning and, if necessary, periodically retensioning of the wire, adjustive tensioning forces are transmitted via the holding elements, which in this case have the function of transmitting forces, to the teeth to be treated. This method also can only be applied by the dentist who is familiar with it; moreover, the rigidity of the holding elements renders their exact positioning more difficult.
It has also already been attempted to produce a dental splint with synthetic material only, that is to say without a wire-shaped connecting link. This method could not be implemented, however, at it is difficult to shape the synthetic material exactly and, on the other hand, it often does not withstand the forces which arise in the area of the teeth, the removal of the synthetic material has also proved difficult.
As the composite material must be removed again after a certain time, it is important that from the outset an amount which is as small as possible if this material is applied, in other words that the adhesion surface is delimited as exactly as possible, whereas on the other hand, however, the wire-shaped connecting link is nevertheless to be securely surrounded by composite at the respective fastening point and the formation of hollow points, in particular between wire and teeth surface, must be avoided.
It is the object of the present invention to propose a device for the temporary passive splinting of teeth, which can be applied without risk not only by dentists but also in particular by a family doctor, an emergency doctor, a jaw surgeon and if necessary by auxiliary medical personnel also.
The new device is on the one hand to limit the application of the composite, which secures the wire-shaped connecting link on the tooth surface, to the amount of composite actually necessary and on the other hand to make it possible exactly to select the position of the fastening point on the tooth surface.
The invention is directed to a wire-shaped connecting link and a plurality of composite carriers mounted thereon for receiving a
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International Search Report.
Baer Hans
Hirsbrunner Eduard
Lucchesi Nicholas D.
Swiatek Robert P.
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