CN221411398U - Tooth combined appliance - Google Patents

Abstract

The utility model relates to a tooth combined appliance, which comprises an A bracket for bonding double cuspids or molar teeth and a B bracket for bonding lingual sides of the cuspids, wherein the surfaces of the A bracket and the B bracket are respectively provided with a ligature groove; wherein: the side surface of the bracket A is provided with an arc cantilever, the end part of the arc cantilever is provided with a pipe hole, and the pipe hole is positioned above or tangential to the concave part of the occlusal surface of the tooth; the ligature groove on the bracket B is arranged at one end and two auxiliary pipes are arranged at the other end side by side; the main arch wire is matched with the ligature grooves of the bracket A and the bracket B to generate correction force; the first steel wire passes through the pipe hole of the A bracket and an auxiliary pipe on the B bracket respectively, and the second steel wire passes through the other auxiliary pipe on the B bracket and the auxiliary pipe on the other front bracket respectively. The tooth surfaces are associated by means of the first steel wire and the second steel wire, so that additional correction force is generated, and teeth are prevented from rotating around tooth axes.

Description

Tooth combined appliance

Technical field:

the utility model belongs to the technical field of dental correction, and particularly relates to a tooth combined correction device.

The background technology is as follows:

the existing dental appliance is more and more refined, meets the correction requirements of teeth at different positions, and has labial and lingual divisions. The most commonly used tooth extraction mode in orthodontic clinics is to extract a bicuspid tooth, providing clearance for aligning the tooth with the adducted anterior tooth to reduce the degree of protrusion. During this procedure the cuspids must be moved posteriorly and the posterior teeth moved anteriorly to dispense the extracted space. Since the appliance adheres to the crown, the impedance of the tooth is centered in the root. The tooth is easy to incline and move when being stressed and moved, the tooth roots are not parallel, and the adjustment difficulty in the later stage of correction is increased. Particularly, the lingual bracket has smaller width and small force arm, and the main arch wire cannot generate enough moment to prevent and correct the tooth axis inclination.

Prior art, CN201420149107.8, discloses a tongue side bracket with auxiliary tube, the lower surface of bracket body is equipped with anti-skid pattern, one end of the upper surface of bracket body is equipped with an auxiliary tube hole, another end is equipped with a ligature groove. The ligature groove on the fixed wing is matched with the auxiliary pipe hole to form double-line correction force on different positions of teeth, but the double-line correction force can not meet clinical requirements in specific tooth positions, so that the double-line correction force is the object of the research of the utility model.

The invention comprises the following steps:

the utility model aims to design a tooth combined appliance for double cuspids or molar teeth and lingual teeth.

The technical scheme of the utility model is realized as follows: a tooth combined appliance comprises an A bracket for bonding double cuspids or molar teeth and a B bracket for bonding lingual sides of the cuspids, wherein bonding lines are arranged on the bottom surfaces of the A bracket and the B bracket, and ligature grooves are arranged on the surfaces of the A bracket and the B bracket; the method is characterized in that:

The side surface of the bracket A is provided with an arc cantilever, the end part of the arc cantilever is provided with a pipe hole, and the pipe hole is positioned above or tangential to the concave part of the occlusal surface of the tooth;

the ligature groove on the bracket B is arranged at one end, and two auxiliary pipes facing the same direction as the ligature groove are arranged side by side at one end far away from the ligature groove;

the main arch wire is matched with the ligature grooves of the bracket A and the bracket B to generate correction force;

the first steel wire respectively passes through the pipe hole of the A bracket and an auxiliary pipe on the B bracket to generate double cuspids or molar teeth and additional correction force of the cuspids;

The second steel wire respectively passes through the other auxiliary tube on the B bracket and the auxiliary tube on the other front bracket to generate orthodontic force of the cuspids and the front teeth.

Further, the arc cantilever of A holds in palm the groove for a pair of, the symmetry sets up in the both sides of A holds in the palm the groove, can laminate in two cuspids or the both sides of grinding one's teeth, is equivalent with arc cantilever thickness in the tube hole length of tip, and the tube hole is tangent with tooth occlusal surface.

The arc cantilever of A holds in palm the groove and is one, sets up in one side of A holds in the palm the groove, can laminate in two cuspids or one side of grinding one's teeth.

The length of the pipe hole (15) at the end part of the arc cantilever is larger than the thickness of the cantilever, and the pipe hole extends towards one side of the occlusal surface of the tooth and can be adhered to the occlusal surface of the tooth.

The included angle between the axes of the two auxiliary pipes of the B bracket is between 0 and 30 degrees.

The upper parts of two side groove wings of the ligature groove on the bracket A and the bracket B are outwards developed to form ligature barbs for ligature of the rubber ring.

The ligature groove of the bracket B consists of a fixed wing and a movable wing, a slotted hole is processed on the central axis of the fixed wing, and the movable wing is provided with a slide bar, a groove wing arranged at one end of the slide bar and a T-shaped stop block arranged at the other end of the slide bar; the movable wing is penetrated in the slotted hole of the fixed wing through the sliding rod, a spring is sleeved on the sliding rod at the section between the T-shaped stop block and the fixed wing, and the trend that the slot wing of the movable wing is close to the fixed wing is always kept by the spring, so that the whole ligature slot width can be adjusted is formed.

The groove wing in the movable wing is approximately perpendicular to the sliding rod, the lower end of the groove wing extends out of the bottom surface of the sliding rod to form a traction hook of the rubber ring, the upper end of the groove wing extends out of the surface of the sliding rod, and a gland is folded out of one side of the fixed wing.

The ligature groove of the bracket B consists of a fixed wing and a movable wing, a slotted hole is processed on the central axis of the fixed wing, and the movable wing is provided with a sliding rod, a fixed groove arranged at one end of the sliding rod and an H-shaped foot arranged at the other end of the sliding rod; the movable wing is penetrated into the slotted hole of the fixed wing through the sliding rod and is clamped at one side of the slotted hole by means of an outwards folded H-shaped foot to form a whole; the fixed wing is folded forwards to form a first ligature hook for ligature of the rubber ring, the front groove wing of the fixed groove on the movable wing is matched with the fixed wing to form a ligature groove with adjustable width, the rear groove wing is folded backwards to form a second ligature hook for ligature of the rubber ring, and the front groove wing is folded forwards to form a gland.

According to the utility model, according to the clinical correction experience, a larger interval is formed between the double cuspids or the molar teeth and the cuspids at the initial tooth extraction shaping, and the tooth structure mostly forms a front protruding turning at the cuspids, when the cuspids are moved and aligned, the main arch wire generates correction force, and the first steel wire provides additional constraint for the double cuspids or the molar teeth and the cuspids, so that the inclination displacement of the cuspids is effectively avoided; the support groove of the corresponding cuspid is provided with the double auxiliary pipes, so that the connection with the double cuspid or the molar is solved, the support groove can form additional constraint with other anterior teeth through the second steel wire, can form association with the first steel wire, and the combined correction is realized.

Description of the drawings:

The utility model is further described with reference to the following specific drawings:

FIG. 1 is a schematic diagram of a combined appliance

FIG. 2 is a schematic diagram of a combined anterior dental appliance

FIG. 3 is a schematic diagram of a double arm A bracket

FIG. 4 is a schematic side view of a double arm A bracket

FIG. 5 is a schematic view of a single arm A bracket

FIG. 6 is a schematic side view of a single arm A bracket

FIG. 7 is a schematic view of a B bracket

FIG. 8 is a schematic diagram of a side view of a B bracket

FIG. 9 is a schematic diagram of a B bracket

FIG. 10 is a schematic diagram of a B bracket from two side views

FIG. 11 is a schematic diagram showing B bracket decomposition

FIG. 12 is a schematic view of a B bracket

FIG. 13 is a three-side view schematic of a B bracket

FIG. 14 is a three exploded view of a B bracket

FIG. 15 is a schematic view of a single arm A bracket

FIG. 16 is a three schematic views of an A single arm A bracket

Wherein the method comprises the steps of

10-A brackets; 11-bonding lines; 12-ligating the groove; 13-ligating barbs; 14-arc cantilever;

15-pipe holes;

20-B brackets; 21-auxiliary tube; 22-fixed wings; 221-slots; 222—a first ligature hook;

23-movable wings; 231-slide bar; 232-groove wings; 2321—a towing hook; 2322-capping; 233-T-stop;

234-H feet; 24-a spring; 25-a fixed slot; 251-front ditch wing; 252-rear gutter wings;

253-a second ligature hook;

30-a primary archwire;

40—a first steel wire;

50-second steel wire;

60-bicuspid or molar;

70-cuspids;

80-rubber ring;

The specific embodiment is as follows:

Referring to fig. 1 and 2, a dental appliance includes an a bracket 10, a B bracket 20, a primary archwire 30, a first wire 40, and a second wire 50; the A bracket 10 can be adhered to the lingual side or labial side of the bicuspid tooth 60 or the molar tooth, and the B bracket grain is adhered to the lingual side of the bicuspid tooth 70, so that the bottom surfaces of the A bracket 10 and the B bracket 20 are provided with adhesive patterns 11 and the surfaces are provided with ligature grooves 12; and the upper parts of the two side groove wings of the ligature groove 12 are outwards extended with ligature barbs 13, so as to provide ligature requirements of the rubber ring 80.

As shown in fig. 1-6, the side of the a bracket 10 is provided with an arcuate cantilever arm 14 that can bypass the bicuspid or molar side, and the end of the arcuate cantilever arm 14 is provided with a tube aperture 15, the tube aperture 15 being positioned above or tangentially to the occlusal depression of the tooth so that the first wire 40 passing therethrough can be positioned in the bicuspid 60 or molar depression without taking up excessive bite positions. As shown in the structure of fig. 3 and 4, the pipe hole 15 is tangential to the concave portion of the occlusal surface, so that the steel wire 40 passing through the pipe hole 15 is just in the concave portion of the occlusal surface; and as with the configuration of fig. 5 and 6, the orifice 15 is above the occlusal depression.

Referring to fig. 7 and 8, the ligating slot 12 on the b bracket 20 is provided with two auxiliary tubes 21 side by side at one end and the other end, and the two auxiliary tubes 21 are oriented in the same direction as the ligating slot 12 to cooperate with ligations or passes of three nearly parallel archwires and wires; more specifically, the included angle between the axes of the two auxiliary pipes 21 is 0-30 degrees, so that the fall of the front teeth and the bicuspid teeth 60 or the occlusal surfaces of the molar teeth can be considered.

Referring to fig. 1 and 2, the primary archwire 30, i.e., the primary generating side of the appliance, is capable of cooperating with the ligating slots 12 on the a-brackets 10 and B-brackets 20 to generate the appliance; the primary teeth are severely misplaced, the primary archwire 30 cannot enter the ligature groove 12 generally, and is required to be pulled by the rubber ring 80, gradually shifted and then forced into the ligature groove, so that a final and stable correction result is generated.

The first wire 40 passes through the hole 15 of the bracket a and an auxiliary tube 21 on the bracket B respectively to generate double cuspids 60 or additional correction force to the molar teeth 70, so as to stabilize the movement of the cuspids 70 and prevent the cuspids 70 from rotating and tilting around the dental axis due to single correction force.

A second wire 50 passing through the other auxiliary tube 21 on the B bracket 20 and the other auxiliary tube on the other front bracket, respectively, to generate orthodontic forces of the cuspids 70 and the front teeth; with the double cuspid 60 or molar as a stable anchor, constraint is created on the cuspid and other anterior teeth by the first wire 40 and the second wire 50, allowing displacement to avoid tipping.

Clinically, it is common to pull out one double cuspid adjacent to the cuspid, and the a bracket 10 is bonded to the remaining double cuspid; a special case may also be that a bicuspid tooth adjacent to the molar is removed, and the a bracket 10 is bonded to the molar, and the B bracket 20 is bonded to the remaining bicuspid tooth.

And (3) refining design of the bracket:

The correction clinic mainly adopts to remove a double cuspid tooth or molar tooth, so as to vacate the space for aligning the front teeth, and the left double cuspid tooth 60 or molar tooth forms a larger gap on at least one side, so that the arc cantilever 14 is allowed to wind to the side, and the A bracket 10 has the following two structures:

1. As shown in fig. 3 and fig. 4, the arc cantilever 14 of the bracket a is a pair, symmetrically arranged on two sides of the bracket a 10, and can be attached to two sides of the double cusp 60 or the molar, the length of the tube hole 15 at the end is equal to the thickness of the arc cantilever, the tube hole is tangential to the occlusal surface, the first steel wire passing through the tube hole is attached to the concave part of the occlusal surface, the occupation is reduced, and the two tube holes 15 on the left and right can also meet the requirement of restraining the direction of the first steel wire 40.

2. Referring to fig. 5 and 6, the arc cantilever 14 of the bracket a is one, and is disposed on one side of the bracket a 10, and the tube hole 15 is longer than the cantilever in thickness, extends toward one side of the occlusal surface of the tooth, is located above the occlusal surface, and can be adhered to the concave portion of the occlusal surface of the tooth. The single elongated tube bore 15 also serves to stabilize the orientation of the first wire 40.

The bracket A is mainly used for double cuspids or molar teeth, is mainly used as an anchor point of correction force due to good state and stability, can be designed into a tube shape for the ligature groove 12 for ligating a main arch wire, is used for the main arch wire 30 to pass through, is matched with the design of an arc cantilever 14, ensures that the main function is unchanged, and further simplifies the bracket structure and occupied space. Wherein figure 15 is similar to figures 5 and 6, the tube aperture 15 extends into and above the occlusal surface.

In fig. 16, a single arc cantilever 14 is also adopted, the pipe hole 15 is selected to be equal to the thickness of the arc cantilever 14 and is positioned at the tangent position of occlusion, the pipe hole 15 can be used for guiding and restraining the direction of the first steel wire 40, and the penetrated first steel wire 40 can be lapped on the protruding parts at two sides of the concave part of the occlusal surface to generate correction force.

B, designing a bracket in a thinning way:

The cuspids 70 are positioned in a more specific manner on the gum structure, and the lingual side is positioned parallel to the occlusal surface depressions of the bicuspids or molars as compared to the bicuspids 60 or molars which are forwardly convex and higher, and for this purpose, the mating B bracket 20 is adapted to be bonded to the lingual side, and has a more flexible structure for clinical selection, with the exception of the above, as well as two:

1. Referring to fig. 9, 10 and 11, the ligature groove 12 of the b bracket is composed of a fixed wing 22 and a movable wing 23, and a slot 221 is formed on the central axis of the fixed wing 22, and the slot 221 is an open slot in this example. The movable wing 23 has a slide bar 231 and a groove wing 232 provided at one end of the slide bar and a T-shaped stopper 233 provided at the other end of the slide bar.

The movable wing is penetrated in the slot hole 221 of the fixed wing through the slide bar 231, the slide bar at the section between the T-shaped stop block 233 and the fixed wing 22 is sleeved with the spring 24, and the trend that the slot wing 232 of the movable wing is close to the fixed wing 22 is always kept by the spring 24, so that the whole adjustable width of the ligature slot 12 is formed. The width of the ligature groove 12 can be adjusted, which is convenient for clinical operation, and the ligature rubber ring can be used for generating correction force in a stable direction.

Further, the slot wing 232 in the movable wing is approximately perpendicular to the sliding rod 231, the lower end of the slot wing extends out of the bottom surface of the sliding rod to form a traction hook 2321 of a rubber ring, the upper end extends out of the surface of the sliding rod, and a gland 2322 is folded towards one side of the fixed wing. The primary archwire 30 is often positioned at the outer side of the bracket, is hung at the traction hook 2321 by a rubber ring, and generates continuous traction type correction force on the bracket; the function of the gland 2322 is to provide a constraint to maintain the force direction after the primary archwire 30 is inserted into the ligating slot.

2. Referring to fig. 12, 13 and 14, the ligature groove of the bracket b is also composed of a fixed wing 22 and a movable wing 23, the axis of the fixed wing 22 is processed with a slot 221, and the slot 221 is a through hole structure; the fixing wing 22 is folded forward to form a first ligature hook 222 for ligating the rubber ring.

The movable wing is provided with a sliding rod 231, a fixed slot 25 arranged at one end of the sliding rod and an H-foot 234 arranged at the other end of the sliding rod; the movable wing is inserted into the slot 221 of the fixed wing through the sliding rod 231, and is clamped at one side of the slot 221 by means of the H-shaped leg 234 which is folded outwards, so as to form a whole. In particular to an anti-falling constraint which can be formed by bending an H-foot by means of a surgical forceps. The front groove wing 251 of the fixed groove 25 on the movable wing cooperates with the fixed wing 22 to form a ligature groove 12 with adjustable width, the rear groove wing 252 is folded back to form a second ligature hook 253 for ligature of rubber ring, the front groove wing 251 is folded back to form a gland 2322 for restraining the main archwire entering the ligature groove 12, and the rubber rings ligature on the first ligature hook 222 and the second ligature hook 253 provide correction force. In this example, the movable wing itself has a fixed slot 25 that provides an option for the primary archwire 30 to enter the slot.

The above is given as a typical solution for two configurations of the movable wing B brackets 20, which can be designed into other structural forms according to clinical needs; the bracket can also be used singly or after the movable wings are combined and split according to different correction stages in clinic, namely, the first ligature hook 222 is utilized to be connected with a main arch wire outside the bracket through a rubber ring to generate continuous correction force.

Claims (9)

1. A tooth combined appliance comprises an A bracket (10) for bonding double cuspids or grinding teeth and a B bracket (20) for bonding lingual sides of the cuspids, wherein bonding lines (11) are arranged on the bottom surfaces of the A bracket (10) and the B bracket (20), and ligature grooves (12) are arranged on the surfaces of the A bracket and the B bracket; the method is characterized in that:

An arc cantilever (14) is arranged on the side surface of the bracket A (10), a pipe hole (15) is formed in the end part of the arc cantilever (14), and the pipe hole (15) is positioned above or tangential to the dented part of the occlusal surface of the tooth;

The ligating groove (12) on the bracket B (20) is arranged at one end, and two auxiliary pipes (21) facing the same direction with the ligating groove (12) are arranged side by side at one end far away from the ligating groove (12);

A main arch wire (30) which is matched with the ligature groove (12) of the A bracket (10) and the B bracket (20) to generate correction force;

The first steel wire (40) respectively passes through the pipe hole (15) of the A bracket and an auxiliary pipe (21) on the B bracket to generate double cuspids or molar teeth and cuspid teeth additional correction force;

A second wire (50) is passed through the other auxiliary tube (21) on the B bracket and the other auxiliary tube (21) on the other front bracket respectively to generate orthodontic force of the cuspids and the front teeth.

2. The dental combination appliance of claim 1, wherein: the arc cantilever (14) of the A bracket is a pair, is symmetrically arranged on two sides of the A bracket (10), can be attached to two sides of double cuspids or molar teeth, the length of the pipe hole (15) at the end is equal to the thickness of the arc cantilever (14), and the pipe hole (15) is tangential to the occlusal surface of teeth.

3. The dental combination appliance of claim 1, wherein: the arc cantilever (14) of the A bracket is one and is arranged on one side of the A bracket (10) and can be attached to one side of double cuspids or molar teeth.

4. A dental combination appliance according to claim 1 or claim 3, wherein: the pipe hole (15) at the end of the arc cantilever is longer than the thickness of the cantilever and extends towards one side of the occlusal surface of the tooth, so that the arc cantilever can be adhered to the occlusal surface of the tooth.

5. The dental combination appliance of claim 1, wherein: the included angle between the axes of the two auxiliary pipes (21) of the B bracket is between 0 and 30 degrees.

6. The dental combination appliance of claim 1, wherein: the upper parts of the two side groove wings of the ligature groove (12) on the bracket A and the bracket B are outwards developed to form ligature barbs (13) for ligature of the rubber ring.

7. The dental combination appliance of claim 1, wherein: the ligating groove (12) of the bracket B consists of a fixed wing (22) and a movable wing (23), a slotted hole (221) is processed on the central axis of the fixed wing (22), and the movable wing (23) is provided with a slide bar (231), a groove wing (232) arranged at one end of the slide bar and a T-shaped stop block (233) arranged at the other end of the slide bar; the movable wings are arranged in the slotted holes (221) of the fixed wings in a penetrating way through the sliding rods (231), springs (24) are sleeved on the sliding rods (231) at the section between the T-shaped stop blocks (233) and the fixed wings (22), and the trend that the groove wings (232) of the movable wings are close to the fixed wings (22) is always kept by the springs (24), so that the whole ligature groove (12) with adjustable width is formed.

8. The dental combination appliance of claim 7, wherein: the groove wing (232) in the movable wing is approximately perpendicular to the sliding rod (231), the lower end of the groove wing (232) extends out of the bottom surface of the sliding rod (231) to form a traction hook (2321) of the rubber ring, and the upper end extends out of the surface of the sliding rod (231) and folds out a gland (2322) towards one side of the fixed wing.

9. The dental combination appliance of claim 1, wherein: the ligating groove (12) of the bracket B consists of a fixed wing (22) and a movable wing (23), a slotted hole (221) is processed on the central axis of the fixed wing (22), and the movable wing (23) is provided with a sliding rod (231), a fixed groove (25) arranged at one end of the sliding rod (231) and an H-shaped foot (234) arranged at the other end of the sliding rod (231); the movable wing is penetrated into the slotted hole (221) of the fixed wing through the sliding rod (231) and is clamped at one side of the slotted hole (221) by means of an outwards folded H-shaped foot (234) to form a whole; the fixed wing (22) is folded forwards to form a first ligature hook (222) for ligature of the rubber ring, the front groove wing (251) of the fixed groove (25) on the movable wing is matched with the fixed wing (22) to form a ligature groove (12) with adjustable width, the rear groove wing (252) is folded backwards to form a second ligature hook (253) for ligature of the rubber ring, and the front groove wing (251) is folded forwards to form a gland (2322).