Multifunctional super-flexible wide-band bow for orthodontics, wide-band bow bracket and use method

Abstract

The invention discloses a multifunctional super-flexible wide-band bow for orthodontics, a wide-band bow bracket and a use method. The vertical width of the wide-band bow is 0.64 mm-1.27 mm, and the horizontal thickness of the wide-band bow is 0.25 mm-0.5 mm. 1-3 toggle pin holes are designed in a bottom plate surface of a bracket body along the long axis direction of teeth, a pair of slot wing bodies is arranged at the upper end and the lower end of the labial buccal surface of the bracket body respectively, a main slot is formed between the upper slot wing body and the lower slot wing body, and the upper part and the lower part of the outer side of each slot wing body extend outwards and freely protrude out of the corresponding slot wing body to form a slot wing, so that the common ligation type bracket is formed. The multifunctional super-flexible wide-band bow is simple in structure, reasonable in design, capable of expressing various orthodontic requirements, easy and convenient to operate, small in wide-band arch replacement times, short in treatment course which is generally about one year, high in torque root control force, capable of enabling teeth to be vertical to the stable normal axis inclination, and good in use effects, and dental defects are not liable to relapse after orthodontic treatment.

Description

technical field [0001] The invention belongs to the field of orthodontics, and in particular relates to a multifunctional ultra-soft wide-band bow for orthodontics, a wide-band bow bracket and a use method thereof. Background technique [0002] Orthodontics mainly includes square wire arches, thin wire arches, ribbon arches, movable appliances, invisible appliances, etc., and there are many types. At present, the commonly used orthodontic appliance is the straight wire arch correction system, which has the following structural defects: First, the straight wire arch is flat, with a horizontal width of 0.56 mm (0.022 inches) or 0.64 mm (0.025 inches), and a vertical thickness of The diameter is 0.41mm (0.016 inches) to 0.48mm (0.019 inches). The wide surface of the straight wire arch is parallel to the maxillary plane, with high hardness and strong stress. If the dental arch is uneven in the initial stage of correction, it cannot be used, otherwise, it will cause serious tooth...

AI Technical Summary

Problems solved by technology

At present, the commonly used orthodontic device is the straight wire arch correction system, which has the following structural defects: First, the straight wire arch is flat, with a horizontal width of 0.56 mm (0.022 inches) or 0.64 mm (0.025 inches), and a vertical thickness of The diameter is 0.41mm (0.016 inches) - 0.48mm (0.019 inches), the wide surface of the straight wire arch is parallel to the jaw plane, the hardness is high, and the stress is strong. The dental arch is not flat in the initial stage of correction and cannot be used. Otherwise, it will cause serious tooth damage.

Second, it is necessary to start with aligning the teeth with thin round wires. There are various series and models from round wires to square wires, which makes the selection complicated. Moreover, since the thin round wires are aligned and leveled, there is no torque effect and no arch expansion effect. , the teeth can only move in a two-dimensional inclined manner, and the dental arch of children in the replacement period is underdeveloped and cannot be expanded and shaped

Third, when square wire is used in the later stage of orthodontic treatment, the square wire is thick, hard, and stressed, which makes it difficult to control the magnitude and accuracy of the torque force and the friction force. Periodontal damage often occurs, excessive alveolar bone resorption, gingival recession, and tooth decay often occur. excessive looseness etc.

Fourth, the vertical thickness of the arch wire is small, and its strength is weak, resulting in weak control of the jaw plane, often resulting in occlusal failure, reverse changes in the Spy curve, inclination of molars, loss of anchorage and other side effects, often requiring additional complex anchorage devices.

Fifth, clinical exertion is chaotic and often difficult to define

Sixth, the alignment, leveling, traction, adduction, and torque of traditional orthodontics all move teeth in stages. Tooth movement often occurs inclined movement, molar tilt, anterior labial tilt, loss of anchorage, torque out of control, and tooth loss. Adverse reactions such as reciprocating movement

Seventh, the frequency of arch wire replacement is high, the operation is complicated, the time is long, and the treatment cycle is long, with an average of two or three years or more. The inclination of the tooth axis is abnormal, and the tooth cannot be torqued to a relatively stable axis inclination, and it is easy to relapse after correction.

Eighth, the structure of the bracket matched with the arch wire is single. It is a straight-through groove with the opening facing the buccal side. The depth is greater than the width, and the arch wire with high hardness is not easy to insert into the groove. Side effects such as periodontal damage, periodontal tissue atrophy, and excessive tooth loosening

Ninth, the deep groove and the arch wire have a large contact area, and the friction force is large, making it difficult for the arch wire to slide, which is not conducive to tooth movement

Tenth, the bracket wing and the bracket groove are straight, and the ligature wire needs to be ligated from the bottom edge of the bracket groove. It is difficult for the operator to grasp the tightness of the ligature wire during ligation.

The eleventh is the expression of traditional orthodontic technology, which is only realized by a single structure and a single function of the orthodontic appliance, thus limiting the performance of the orthodontic appliance

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