Orthodontic device

FIELD: medical engineering.

SUBSTANCE: device has mandibular base plate having members for separating jaws. The members for separating jaws are fabricated from 1.2 mm thick wire shaped as two parallel arcs. Each end of the first arc is fixed in the base plate between the canine tooth position and the first premolar position. Each end of the second arc is fixed between the first premolar position and the first molar position. Arc tops are joined with the base plate. The base plate has hard palate topography and is manufactured from flexible plastic. Supporting-and-holding cramp iron members are mounted on distal part of the base plate.

EFFECT: complete jaws dysocclusion.

2 dwg

 

The invention relates to medicine, namely to orthodontics, and can be used to limit the clamping jaws in the treatment of children with dental anomalies.

In the treatment of children with dentofacial anomalies, it is frequently necessary uncoupling dentitions. Such anomalies include palatal position of individual teeth, reverse cutting occlusion and disocclusion, anterior occlusion.

For this purpose apply occlusal onlays, crowns and Invisalign. These orthodontic devices divide the teeth and allows for free movement in a given direction of the jaw region or anomalina located tooth.

So, for isolation of tooth rows of a device made in the form of overestimating orthodontic crowns placed on the side of the group of teeth (Khoroshilkina FA Guide to orthodontics. - M.: Medicine, 1999. - S).

Contraindications to the use of this device are: incomplete root formation of the abutment teeth; inflammatory and destructive processes in the periapical tissues of teeth partial eruption crowns, extensive destruction of hard tooth tissues.

The closest in technical essence to the present invention is an orthodontic device that contains the base plate and secured to it occlusal ele the key on the side teeth (PS person The treatment of dento-maxillary anomalies. - M.: OOO "Orthodent-info", 1999. - P.78).

Base plate can be made on both upper and lower jaw. When closing the mouth apparatus performs the function of the limiter clamping jaws and thereby disconnecting the teeth.

The disadvantages of this device, resulting from its design features should include the impossibility of its use with:

- the hypertrophic enlargement of the mucous membranes of the oral cavity, arising during use of the apparatus;

active caries process;

- incomplete mineralization of teeth.

- primary and secondary partial adentia;

- simultaneous eruption of canines and premolars in both jaws, when deterrence their eruption is not shown.

The objective of the proposed technical solution is the development of the orthodontic device with the elements of disunion dentitions, outside of the dental arches.

The technical result of the proposed method is to provide full disocclusion jaws.

The technical result is achieved by the design of the proposed orthodontic device consisting of mandibular base plate with elements of separation of the jaws.

Distinctive features of the proposed device is that the elements of p is sobshenie made of wire with a diameter of 1.2 mm in the form of two parallel arcuate arcs. Each end of one arc fixed in the base plate in position between the canine and the first premolar, each end of another arc between the first premolar and first molar.

The hallmark of the inventive device is that the top of the arcuate arcs are interconnected shortened base plate, which has the relief of the hard palate and is made of elastic plastic.

Design feature of the proposed orthodontic apparatus for separation of dentition is also the placement of the supporting and retaining the clasps in the distal part of the basal lamina.

Comparative analysis of the proposed solutions and prototype shows that the proposed device is structurally different from the known, namely the elements of the separation of the jaws outside of the dental arches in the region of the hard palate and is made in the form of two parallel arcuate arcs connected by a shortened base plate having a relief of the hard palate and is made of elastic plastic..

From the comparative analysis shows that the proposed orthodontic device for separation of the jaws meets the criteria of the invention of "novelty."

Design features of the claimed device ensure the achievement of specified technical R is the result, namely obtaining full disocclusion jaws and allow you to eliminate the above drawbacks of the prototype due to the fact that the element isolation outside of the dental arches in the region of the hard palate. This eliminates the possibility of the introduction of the abutment teeth, prevents the development of caries process on the surfaces of the teeth, covered in plastic. In addition, the proposed device can be used in the absence of posterior teeth.

In the analysis of known orthodontic devices identified is the lack of information about the impact of the distinctive features of the proposed device to achieve a technical result that allows us to consider the claimed invention meets the criterion of "inventive step".

The inventive orthodontic device is intended for use in healthcare, in particular in orthodontics. The implementation of its capabilities is confirmed as described in the application techniques and equipment.

From the above it follows that the claimed technical solution meets the condition of patentability "industrial applicability".

The essence of the invention illustrated by figure 1, which depicts a General view of the inventive orthodontic device for separation of the jaws, and 2 schematically reflecting the distribution of the proposed device is tion in the mouth.

Orthodontic device consists of mandibular base plate 1 and parallel to the arcuate wire 2 arcs, vertices connected by a shortened base plate (Nance-button) 3, palatal surface which corresponds to the relief of the hard palate. From the buccal surface in the distal portion of the device installed supporting and retaining the clasps 4.

The inventive device operates as follows.

The patient in the presence of pathology - palatal position of individual teeth, reverse cutting occlusion, disocclusion, anterior occlusion, the need to move the jaw region or anomalina located tooth, pre-shoot impressions of the jaws and cast plaster models. On a working model using cramponing tongs are made of wire (diameter 1.2 mm) arcuate arc 2 and 4 clasps. Basic wax model base plate 1, and then in the places between the canine and the first premolar and between the first premolar and the first molar is fixed arcuate arc 2. The height of the arcuate prongs 2 is fixed to the articulator. Between the arcuate prongs 2 are connected in the Central part by means of a shortened base plate (Nance-button) 3, palatal surface which corresponds to the relief of the hard palate. Nance-button 3 also simulate the base wax. In the following the m wax replace basic plastic. Nance-button 3 is made of elastic plastic.

The patient try on and ready pin is stuck orthodontic device in the mouth.

The device performs the function of limiting the clamping jaws due to the fixed height of the arcuate arcs 2, while moving the upper jaw maialino, and the lower distal, relative to each other, is unimpeded. As you move the jaw device is adjusted in the area of Nance-button 3 and, if necessary, actively combined with elements of permanent equipment, extraoral devices.

The efficiency of the proposed device is confirmed by a clinical example.

Patient K., 12 years old, came to the Department of pediatric dentistry of Igiv for consultations. From history: previously underwent orthodontic treatment, used removable orthodontic designs. Objective: facial profile retrognathism, the lower third of the face is reduced; in the mouth: is removable plate apparatus at the upper jaw with occlusal overlays. The mucous membranes of the oral cavity (RBSU) under the base of the apparatus hyperemic, edematous, the interdental papillae and the sweet relief of the hard palate gipertrofirovannyy; lateral teeth pockets demineralization of enamel. Diagnosis: Anterior occlusion, retopologize upper jaw, deep reverse disocclusion, m is barking upper jaw, decompensated form of caries, the violation of the sequence of eruption of teeth on both jaws, the simultaneous eruption of canines and premolars, hyperplasia of the mucous membrane.

The patient was asked to move the upper jaw forward on the face mask with the separation of dentition offer orthodontic device.

This was made and installed the inventive orthodontic device.

After 6 months of active treatment was achieved direct occlusion. Phenomena hypertrophy RESISTANCE disappeared, as a result of the course of ramaraja pockets demineralization disappeared. Lateral teeth stood at full height (slight their extrusion). Then the proposed orthodontic device replaced and the treatment continued with the braces before the formation of the neutral occlusion.

Using the proposed orthodontic treatment device/move teeth in 8 patients; complications resulting from the application of this orthodontic constructions we have not found.

Thus, the inventive device provides full disocclusion jaw that allows a differentiated approach to treatment tactics. The imposition of the element isolation outside of the dental arches in the region of the hard palate allows the device is arranged possibility of the introduction of the abutment teeth, the development of the caries process on the surfaces of the tooth that is covered with plastic, and also enables the use of this apparatus in the absence of posterior teeth.

The use of the inventive orthodontic devices has reduced the number of cases of failure in the treatment of the above anomalies and significantly reduce the number of complications inherent in the known devices.

We offer orthodontic apparatus effective, easy to manufacture and convenient in use.

Orthodontic device containing the mandibular base plate with the attached elements of separation of the jaws, characterized in that the elements of disunion made of wire with a diameter of 1.2 mm in the form of two parallel arcs, and each one end of the arc is fixed in the base plate in position between the canine and the first premolar, the ends of the other arc between the first premolar and the first molar, and arcs connected between a base plate having a relief of the hard palate and is made of elastic plastic, in the distal part of the basal plate installed supporting and retaining the klamer.



 

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Orthodontic bracket // 2076659

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FIELD: medical engineering.

SUBSTANCE: device has mandibular base plate having members for separating jaws. The members for separating jaws are fabricated from 1.2 mm thick wire shaped as two parallel arcs. Each end of the first arc is fixed in the base plate between the canine tooth position and the first premolar position. Each end of the second arc is fixed between the first premolar position and the first molar position. Arc tops are joined with the base plate. The base plate has hard palate topography and is manufactured from flexible plastic. Supporting-and-holding cramp iron members are mounted on distal part of the base plate.

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