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A device for guiding the mandible forward and/or breaking the bad habit of sucking the lower lip and its preparation method

A technology for bad habits and lower lip sucking, which is applied in the field of orthodontic devices and preparations for guiding the mandible forward and/or breaking the bad habit of sucking the lower lip. Restrictions and other problems, to achieve the effect of correcting deep overlay, shortening treatment time, and long wearing time

Active Publication Date: 2017-07-11
西安交通大学口腔医院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, each of the above-mentioned appliances has limitations in indications. The mandibular lip arch needs to molar the clinical crown to be high, and the deciduous dentition is not suitable; the lip rail of the upper lip movable appliance cannot be adjusted vertically, and the functional adjustment is limited; the volume of the improved muscle activator and Frankle II Large, limited mouth opening, limited language function, difficult cooperation of patients, complex production and other reasons, it is not commonly used in clinical practice

Method used

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  • A device for guiding the mandible forward and/or breaking the bad habit of sucking the lower lip and its preparation method
  • A device for guiding the mandible forward and/or breaking the bad habit of sucking the lower lip and its preparation method
  • A device for guiding the mandible forward and/or breaking the bad habit of sucking the lower lip and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] refer to figure 1 and figure 2 , the appliance of this embodiment includes a base 1, and the base 1 is embedded with a maxillary molar arrow clip 22 and an interproximal hook 21, a labial arch 7 of the upper anterior teeth, a palatal side plastic slope guide 3, an oblique guide wire 4, and a mandibular guide Anterior incisor cap 5 and adjustable lip wire 6 connected thereto.

[0045] The retainer steel wire arrow card and the interproximal hook connector are embedded in the palatal base, and the adjustable lip wire is embedded in the labial incisor cap.

[0046] The retainer part is the anchorage part of the appliance, and the Type II card uses 0.8mm stainless steel wire to be placed under the buccal tube with a ring, which has elasticity to match the fixation of the appliance.

[0047] The labial arch 7 of the upper anterior teeth is bent with 0.8-0.9 mm stainless steel wire, and its crossbeam 71 is located at the middle 1 / 3 or incisal 1 / 3 of the upper anterior teet...

Embodiment 2

[0054] The appliance of this embodiment cooperates with the fixed appliance to guide the mandible forward. It differs from the appliance of Example 1 in that:

[0055] Structurally, the fixing components of the appliance in this embodiment include interproximal hooks and type II clips 23, and there may be no lip wires on the labial side.

[0056] In terms of production method, ①Clinical relationship: the same as the basic clinical relationship, and put on the frame, ②Use 0.9mm stainless steel wire to bend the interproximal hook, and use 0.8mm stainless steel wire for the second type card to place under the buccal tube with ring, The lip side can have no lip wire, and the others are the same as the basic type.

[0057] Table 1:

[0058]

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Abstract

The invention relates to an appliance for guiding a mandible forward and / or getting rid of a bad habit of sucking a lower lip and a preparation method thereof. The involved appliance comprises a base plate, the base plate is provided with fixing components, a palatal side inclined-face guide plate and a lower incisor teeth cap for guiding the mandible forward, and the palatal side inclined-face guide plate is provided with inclined guide wires. The involved preparation method comprises the following steps: acquiring a relationship in clinic; bending the fixing components and the inclined guide wires; laying a mandible tongue side with wax from a mouth bottom to a position about 1-2 mm above a lingual frenum, and fixing the inclined guide wires with wax; and connecting the fixing components into a whole at a palatal side by plastic cement, preparing the palatal side inclined-face guide plate, and connecting with the inclined guide wires fixed by the wax into a whole by plastic cement. According to the appliance, the palatal side inclined-face guide plate is added with the inclined guide wires, the mandible incisor teeth cap guides the mandible forward, the mandible is passive to extend forward, at the same time, the lip is limited to incline down to anterior teeth, a force source is concentrated at maxillary and mandible anterior teeth areas, mandible posterior teeth have no contact with the appliance, and mandible molars can be extended, so as to correct deep overbite and correct and cure an Angle II type relationship.

Description

technical field [0001] The invention relates to an improved combined movable appliance for guiding the mandible forward and (or) breaking the bad habit of sucking the lower lip, which is used to treat the Angle type II relationship in the growth and development period and the Angle type II relationship caused by the bad habit of sucking the lower lip. Move the upper anterior teeth forward and adduct the upper anterior teeth, close the space between the upper anterior teeth, limit the lip tilting of the lower anterior teeth, or make the fat pad of the lower lip disappear, and make the geniolabial groove shallower. It can also guide the mandible forward and Continue to row your teeth. Background technique [0002] Professor Fu Minkui from Peking University Stomatological Hospital reported in 2000 that the prevalence rate of Chinese Class II malocclusion was 25.77%, and the initial permanent teeth accounted for 19.41%. Retraction mainly accounted for about 49%, those with norm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61C7/12
Inventor 李湘琳周洪司新芹侯玉霞王爽李彤管丽敏张智勇鲍庆红
Owner 西安交通大学口腔医院
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