Reed type jaw pad appliance

Abstract

The utility model relates to medical auxiliary instruments, in particular to a reed type jaw pad appliance. The reed type jaw pad appliance comprises a jaw pad and a reed, the reed is formed by bending a spring wire, the reed comprises two straight sections which are arranged in a spaced mode and extend backwards, a first protruding section protruding forwards is connected between the two straight sections, and supporting protrusions are detachably fixed to the straight sections; the jaw pad comprises fixing parts located on the left side and the right side and a connecting part located between the two fixing parts, the fixing parts are provided with a plurality of matching grooves matched with teeth in appearance, the groove walls of the matching grooves are provided with first through holes penetrating up and down, the connecting part is provided with two matching protrusions, and the matching protrusions are matched with the matching grooves. The matching protrusions are provided with second through holes allowing the straight sections to penetrate through and penetrating front and back, and the supporting protrusions are located on the front sides of the matching protrusions. The utility model has the advantages that the fixing stability and precision are higher, the correction effect can be ensured, and the elasticity is convenient to adjust.

Description

Technical Field

[0001] This utility model relates to medical auxiliary devices, specifically to a tongue spring type jaw pad orthodontic appliance. Background Technology

[0002] Tongue spring occlusal pad appliances are generally used for early correction of individual tooth crossbites in children during the primary and mixed dentition stages. They can directly apply corrective forces to move teeth to their normal positions. For example, Chinese Patent Application No. 202221618195.2 discloses a tongue spring occlusal pad appliance, which includes a dental collar with a clamp at the upper end. A curved connector is fixedly connected to the right end of the dental collar, and a spring connector is fixedly connected to the lower middle part of the curved connector. The other end of the spring connector is connected to a guide arch, and the right end of the curved connector is connected to a maxillary retaining arch via a retaining ring. A maxillary labial retainer is provided on the inner surface of the retaining ring.

[0003] In actual use, because the elasticity of the tongue spring needs to be adjusted according to the orthodontic treatment, children need to go to the hospital regularly to remove the orthodontic appliance and wear it again after the tongue spring is adjusted. This can cause the clamps to loosen and deform, which in turn can cause the jaw pads to deviate in their fixed position or even fall off. In addition, the tongue springs also have poor stability after being bent and adjusted many times. Utility Model Content

[0004] The purpose of this invention is to provide a tongue spring type jaw pad orthodontic appliance that is easy to fix, has a more precise fixation position, and can make the tongue spring apply force to the teeth more stable.

[0005] To achieve the above objectives, this utility model employs a tongue spring type jaw pad orthodontic appliance, including a jaw pad and a tongue spring. The tongue spring is formed by bending a spring wire. The tongue spring includes two straight sections that are spaced apart and extend backward. A first protruding section that protrudes forward is connected between the two straight sections. A support protrusion is detachably fixed on the straight sections.

[0006] The jaw pad includes two fixing parts located on the left and right sides and a connecting part located between the two fixing parts. The fixing parts are provided with multiple mating grooves that are adapted to the shape of the teeth. The groove wall of the mating groove is provided with a first through hole that runs vertically through the teeth. The connecting part is provided with two mating protrusions. Each of the mating protrusions is provided with a second through hole that allows the straight section to pass through and runs from front to back. The supporting protrusion is located in front of the mating protrusion.

[0007] This invention relates to a jaw pad with fitting grooves that conform to the shape of the teeth on both sides of the patient's mouth. Adhesive can be placed in these grooves to bond and fix the jaw pad to the teeth. The adhesive ensures fixation, and the fitting grooves, conforming to the shape of the teeth on both sides of the mouth, ensure precise positioning of the jaw pad after fixation. A patient's tooth model can be obtained through scanning, and the jaw pad can then be formed by resin casting or cutting. A first through-hole extends downwards through the jaw pad, allowing excess adhesive to enter into the through-hole or overflow downwards, reducing the impact on the patient's gums. A precise amount of adhesive must be added to avoid excessive adhesive, which could damage the gums or oral mucosa after hardening; the adhesive should only contact the tooth enamel.

[0008] When tongue reed adjustment is required, the supporting protrusion is disassembled and reassembled, and the relative position between the supporting protrusion and the tongue reed is adjusted. The supporting protrusion and tongue reed can be fixed using various existing resin, plastic, metal, or metal spring wire fasteners. The second through hole of the mating protrusion in this invention allows the straight segment of the tongue reed to pass through. The position of the tongue reed is determined by having the first protrusion of the tongue reed abut against the inside of the patient's incisor, with the supporting protrusion supporting the front side of the mating protrusion. This facilitates the removal of the tongue reed and the detachable fixing of the supporting protrusion and the straight segment of the tongue reed.

[0009] This invention utilizes a single tongue spring to apply force to multiple front teeth, such as the incisors. It eliminates the need for a separate curved tongue spring for each tooth; adjustment is achieved simply by modifying the supporting protrusions at both ends of the tongue spring. Furthermore, adjustment does not require removing the chin pad, making the spring's elasticity adjustment more convenient and ensuring precise chin pad positioning, thus guaranteeing better orthodontic results for the patient's front teeth. Simultaneously, the curved first protrusion ensures elasticity and requires less space compared to a coiled tongue spring, allowing for the application of force to multiple front teeth.

[0010] This invention allows for the use of glass ionomer cement as the adhesive for bonding the occlusal pad to the teeth. Various existing methods, such as mechanical removal, chemical dissolution, and a combination of mechanical and chemical removal, can be used to remove the glass ionomer cement with minimal damage to the teeth.

[0011] Preferably, each mating groove has two to four first through holes on its groove wall. This arrangement allows the first through holes to be distributed more evenly, preventing excessive adhesive from depositing in the mating groove and near the gingiva.

[0012] Preferably, the two adjacent mating grooves of the fixing part are connected, and the front and rear ends and the left and right sides of the fixing part are closed.

[0013] Teeth are arranged continuously on the dental arch, and the interconnected fitting slots accommodate this continuity, allowing the occlusal pads to fit the teeth more tightly. Simultaneously, the closed design at both ends and the left and right sides prevents food debris and other foreign objects from entering the fitting slots, avoiding damage to the appliance's structure or bacterial growth. Furthermore, this closed structure helps maintain the structural integrity of the occlusal pads, preventing deformation due to external forces during use, thus ensuring the precise positioning of this orthodontic appliance.

[0014] Preferably, a compression spring is provided between the support protrusion and the mating protrusion. The compression spring increases the elastic force that the tongue spring can apply, ensuring the corrective effect.

[0015] Preferably, the support protrusion has an inner hole for fitting onto the straight section, and the side wall of the support protrusion is provided with a fixing hole communicating with the inner hole, and a fastener is threaded into the fixing hole.

[0016] The threaded fasteners allow for easy adjustment of the support protrusion's position, enabling fine-tuning based on the orthodontic treatment and the patient's oral condition. This adjustable fixation method ensures the appliance's adaptability to different patients' mouths and facilitates adjustments to the appliance's mechanical state during treatment to achieve optimal results.

[0017] Preferably, the support protrusion has a non-circular positioning groove on its end face. A wrench, screwdriver, or similar tool can be used to engage with the positioning groove to easily restrict the position of the support protrusion and to allow it to engage with the threads of a fastener.

[0018] Preferably, the tongue reed further includes two second convex sections that convex to the left and to the right respectively, with the front end of the second convex section connected to the first convex section and the rear end of the second convex section connected to the straight section.

[0019] The design of the second convex section, which protrudes to the left and right respectively, allows the tongue spring to better adapt to the shape of the teeth and orthodontic needs. This symmetrical convex shape can provide a wider and more even orthodontic force, enhancing the orthodontic effect of the appliance. At the same time, the second convex section can improve the overall structural strength of the tongue spring and increase the elastic pressure effect of the thick first convex section.

[0020] This invention has the advantages of higher fixation stability and precision, guaranteed orthodontic effect, and easy adjustment of elasticity. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of one structure of the present utility model.

[0022] Figure 2 This is a schematic diagram of the jaw pad of this utility model. Detailed Implementation

[0023] The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

[0024] Depend on Figure 1 and Figure 2 As shown, this embodiment discloses a tongue spring type jaw pad orthodontic appliance, including jaw pad 100 and tongue spring 200. Jaw pad 100 is fixed to the left and right teeth of the patient's oral cavity by adhesive, and tongue spring 200 is installed and positioned between the patient's front teeth and jaw pad.

[0025] The tongue spring 200 is formed by bending a spring wire. The tongue spring 200 includes two straight sections 21 that are spaced apart and extend backward, two second protruding sections 22 that bulge to the left and right respectively, and a first protruding section 23 that bulges forward. The front end of the second protruding section 22 is connected to the first protruding section 21, and the rear end of the second protruding section 22 is connected to the straight section 21. The first protruding section 23 is located between the two second protruding sections 22. A support protrusion is detachably fixed on the straight section 21.

[0026] The support protrusion has a through inner hole to be fitted onto the straight section 21. A compression spring 20 is also fitted onto the straight section 21. The side wall of the support protrusion has a fixing hole that communicates with the inner hole. A fastener 24 is threaded into the fixing hole. The end faces of the support protrusion and the fastener 24 have a slot 241 for engaging a screwdriver in the shape of a flathead or a cross.

[0027] The jaw pad 100 includes a fixing part 11 located on the left and right sides and a connecting part 12 located between the two fixing parts 11. The fixing part 11 has multiple mating grooves 13 that open upwards and are adapted to the shape of the patient's left and right teeth. Two adjacent mating grooves 13 of the fixing part 11 are connected, and the front and rear ends and the left and right sides of the fixing part 11 are closed. The groove wall of the mating groove 13 has a first through hole 14 that runs vertically through it. Each mating groove 13 has two to three first through holes 14 on its groove wall. The connecting part 12 has two downwardly extending mating protrusions 15. Each mating protrusion 15 has a second through hole through which a straight section 21 passes and runs from front to back. A support protrusion is located in front of the mating protrusion 15, and a compression spring 20 is located between the support protrusion and the mating protrusion 15.

[0028] This embodiment has the advantages of higher fixation stability and precision, ensuring corrective effect, and easy adjustment of elasticity.

Claims

1. A reed jaw pad appliance comprising a jaw pad and a reed, characterised in that: The reed is composed of a spring wire, and comprises two straight sections arranged at intervals and extending backward, and a first convex section connected between the two straight sections and protruding forward, and a support protrusion detachably fixed on the straight section; The jaw pad comprises left and right fixed parts and a connecting part between the two fixed parts, the fixed part is provided with a plurality of matching grooves adapted to the tooth shape, the groove wall of the matching groove is provided with a first through hole penetrating upward and downward, the connecting part is provided with two matching protrusions, the matching protrusions are provided with second through holes penetrating forward and backward for the straight sections to pass through, and the support protrusion is located at the front side of the matching protrusions.

2. The reed-type jaw pad appliance of claim 1, wherein: The groove wall of each matching groove is provided with two to four first through holes.

3. The reed-type jaw pad appliance of claim 1, wherein: The two matching grooves adjacent to each other in the front and back of the fixed part are communicated, and the front and back ends and the left and right sides of the fixed part are closed.

4. The reed-type jaw pad appliance of claim 1, wherein: A compression spring is arranged between the support protrusion and the matching protrusion.

5. The reed-type jaw pad appliance of claim 4, wherein: The support protrusion has an inner hole for sleeving the straight section, the side wall of the support protrusion is provided with a fixing hole communicated with the inner hole, and a fastener is threadedly matched with the fixing hole.

6. The reed-type jaw pad appliance of claim 4 or 5, wherein: The end face of the support protrusion is provided with a non-circular positioning groove.

7. The reed-type jaw pad appliance of claim 1, wherein: The reed further comprises two second convex sections protruding leftward and rightward respectively, the second convex sections are connected with the first convex section at the front ends, and the rear ends of the second convex sections are connected with the straight sections.

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