The utility model content
This utility model has proposed a kind of combination type orthotic device in order to solve the weak point in the above-mentioned background technology, and it has improved the curative effect and the scope of application of macromolecule orthodontic tooth crown effectively.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of combination type orthodontic device, comprise macromolecule orthodontic tooth crown and the stiffening device that is arranged on the facing, it is characterized in that described stiffening device comprises that lip side stiffening device is with tongue side stiffening device and be connected lip side stiffening device and the connector of tongue side stiffening device.
Lip side stiffening device described in the utility model and tongue side stiffening device can be Standard arch wires or non-standard arc.Preferred lip side stiffening device and tongue side stiffening device are dental arch shapes.Described lip side stiffening device and tongue side stiffening device can be the combinations of lamellar structure, silk thread structure, strip, netted, trellis, cross network or above-mentioned shape; Preferred lamellar structure has at least one side consistent with facing outer surface curve form; Preferred arc lamellar structure most preferably has and the corresponding to dental arch shape of the curved surface of all or part of outer surface of facing lamellar structure.
Described stiffening device can adopt metal material as rustless steel, titanium or Ti-Ni alloy etc.; Or nonmetallic materials, as: self-curing denture acrylic, plastics, polymer, pottery, epoxy resin etc. are made described stiffening device; Can also adopt the composite of metal material and nonmetallic materials, for example making such as embedding plastics wiry.
Can also comprise on the described stiffening device just abnormal auxiliary device as: hook, tongue side button, spring, snap clasp, push away spring or expansion screw etc.
Described stiffening device have with the identical or different physical function parameter of macromolecule orthodontic tooth crown especially mechanical property parameters as: identical or different hardness, identical or different elastic modelling quantity, identical or different thickness etc.Preferred stiffening device is to have than the higher physical function parameter of macromolecule orthodontic tooth crown especially mechanical property parameters as: higher hardness, higher elastic modelling quantity, thicker thickness etc.
Described stiffening device can have unified physical function parameter or mechanical property parameters: as unified hardness, elastic modelling quantity or thickness etc.
Described stiffening device can have skimble-scamble physical function parameter or mechanical property parameters: as skimble-scamble hardness, elastic modelling quantity or thickness etc.
Described connector is tinsel such as steel wire; Or sheet metal; Or has an inflexible nonmetal wire, for example: the duroplasts silk, described connector can be by embedding, welding, bonding, insert or the mode of inlaying is connected with tongue side stiffening device, lip side stiffening device respectively, thereby realizes connecting the target of tongue side stiffening device and lip side stiffening device.Described connector strides across the corona face of facing, connects tongue side stiffening device, lip side stiffening device respectively.Preferred connector is a tinsel, and described tinsel has one at least, can be sub-thread, 2 strands or multiply.
Can also be provided with retention system on the combination type orthodontic device of the present utility model, described retention system is to be located at the structure of agreeing with mutually that is in contact with one another on facing and the stiffening device on the one side respectively, can improve connection and the fixed-site of stiffening device on macromolecule orthodontic tooth crown.
Described retention system is: be separately positioned on the facing and stiffening device on hook formation on the one side that is in contact with one another; Or be arranged on the facing and the projection of stiffening device contact surface and the corresponding with it convex-concave shape that groove constituted that is arranged on the stiffening device with the facing contact surface.Described retention system can be arranged on the contact surface of facing and lip side stiffening device, and/or on the contact surface of facing and tongue side stiffening device; Can be provided with 1,2 or more a plurality of retention system.
The preferred combination type orthodontic device of this utility model, comprise: macromolecule orthodontic tooth crown and the stiffening device that is arranged on the facing, it is characterized in that described stiffening device be with the corresponding arc lamellar structure of facing lip side and with the corresponding arc lamellar structure of facing tongue side, and the tinsel that connects two lamellar structures; Described tinsel two end portions is separately fixed on pilifer layer structure and the lamina lingualis layer structure.
The more preferred combination type orthodontic device of this utility model, comprise: macromolecule orthodontic tooth crown and the stiffening device that is arranged on the facing, it is characterized in that described stiffening device be with facing lip N-Side surf structure corresponding dental arch shape lamellar structure and with the corresponding dental arch shape of facing tongue N-Side surf structure lamellar structure, and the tinsel that connects two lamellar structures; In described tinsel curves with lip side and tongue side stiffening device are fitted mutually arc and embedding pilifer layer structure and the lamina lingualis layer structure, embedding tinsel length is no more than the length of stiffening device, bends the corona face that " U " shape song strides across facing at two teeth in abutting connection with the gap location tinsel.Preferred two strands of tinsels are as connector.Described stiffening device is preferably made with dental base acrylic resin powder.
In the combinations thereof formula orthodontic device, described stiffening device can be fixedly connected on the macromolecule orthodontic tooth crown, also can be connected on the macromolecule orthodontic tooth crown by on-fixed, plucks for the patient and wears; The stiffening device that preferred on-fixed connects.
In the combinations thereof formula orthodontic device, described stiffening device can all cover macromolecule orthodontic tooth crown.Described whole covering is meant the part or all of zone that covers on the facing corresponding to the lip/buccal surface and the lingual surface of all teeth.
In the combinations thereof formula orthodontic device, described stiffening device can partly cover macromolecule orthodontic tooth crown.Described part covers, and is meant the part or all of zone that covers on the facing corresponding to the lip/buccal surface and/or the lingual surface of several teeth.
In the combinations thereof formula orthodontic device, described stiffening device can be the position that lip side stiffening device covers all teeth on the facing, and tongue side stiffening device covers the position of several teeth on the facing; Also can be the position that tongue side stiffening device covers all teeth on the facing, and lip side stiffening device cover the position of several teeth on the facing; It also can be the position that lip side and tongue side stiffening device all cover several teeth on the facing; It can also be the position that lip side and tongue side stiffening device all cover all teeth on the facing.
On the other hand, in the combination type orthodontic device of the present utility model, the lip side of described stiffening device and tongue side stiffening device can synthesize as a whole, and promptly lip side and tongue side stiffening device have the public territory to cover on the facing corresponding to tooth incisxal edge and/or morsal part or all of zone.
On the other hand, this utility model relates to a kind of facing stiffening device, it is characterized in that comprising that lip side stiffening device is with tongue side stiffening device and be connected lip side stiffening device and the connector of tongue side stiffening device.
The shape of described facing stiffening device is selected from the combination of lamellar structure, silk thread structure, strip, netted, trellis, cross network or above-mentioned shape; Can be Standard arch wire, non-standard arc or with the corresponding dental arch shape of facing structure.Preferred facing stiffening device is consistent with the curved surface of all or part of outer surface of facing.Described facing stiffening device can adopt metal material as rustless steel, titanium or Ti-Ni alloy etc.; Or nonmetallic materials, as: dental base acrylic resin powder, plastics, polymer, pottery, epoxy resin etc.; Or the composite of above-mentioned metal material and nonmetallic materials composition is made described facing stiffening device.
Can comprise on the described facing stiffening device just abnormal auxiliary device as: hook, tongue side are buckled, spring, snap clasp, push away spring or expansion screw etc.
Described facing stiffening device have with the identical or different physical function parameter of macromolecule orthodontic tooth crown especially mechanical property parameters as: identical or different hardness, identical or different elastic modelling quantity, identical or different thickness etc.Preferred facing stiffening device is to have than the higher physical function parameter of macromolecule orthodontic tooth crown especially mechanical property parameters as: higher hardness, higher elastic modelling quantity, thicker thickness etc.
Described facing stiffening device can have existing performance parameter of unified thing or mechanical property parameters: as unified hardness, elastic modelling quantity or thickness etc.
Described facing stiffening device can have skimble-scamble physical function parameter or mechanical property parameters: as skimble-scamble hardness, elastic modelling quantity or thickness etc.
Described connector is tinsel such as steel wire, or sheet metal, or has inflexible nonmetal wire, for example: the duroplasts silk.Described connector can stride across the corona face by embedding, welding, bonding, the mode inserting or inlay, is connected with lip side stiffening device with tongue side stiffening device, thereby realizes connecting the target of tongue side stiffening device and lip side stiffening device.Preferred connector is a tinsel, and described tinsel has one at least, can be sub-thread, 2 strands or multiply.
Described facing stiffening device is preferably based on the macromolecule orthodontic tooth crown making, and lip side stiffening device and tongue side stiffening device respectively have all or part of outer surface of one side and macromolecule orthodontic tooth crown to keep the concordance of curved-surface shape.
The more preferred facing stiffening device of this utility model, comprise with the corresponding arc lamellar structure of facing lip side structure and with the corresponding arc lamellar structure of facing tongue side structure, and the tinsel that connects two lamellar structures, described tinsel curves with suitable mutually arc of lip side and tongue side stiffening device and embeds in pilifer layer structure and the lamina lingualis layer structure, embedding tinsel length is no more than the length of stiffening device, bends " U " shape song at two teeth in abutting connection with the gap location tinsel and strides across the corona face.Preferred two strands of tinsels are as connector.Described facing stiffening device is preferably made with dental base acrylic resin powder.
Described facing stiffening device can be fixed on the facing parts as facing; Also can only be enclosed within on the facing and use, arbitrarily pluck according to patient's wish and wear.
Described facing stiffening device can all cover macromolecule orthodontic tooth crown.Described whole covering is meant to cover on the facing corresponding to the lip/buccal surface of all teeth and the Zone Full of lingual surface.
Described facing stiffening device can partly cover macromolecule orthodontic tooth crown.Described part covers, and is meant the part or all of zone that covers on the facing corresponding to the lip/buccal surface and/or the lingual surface of several teeth.
Described facing stiffening device can be the position that lip side stiffening device covers all teeth on the facing, and tongue side stiffening device covers the position of several teeth on the facing; Also can be the position that tongue side stiffening device covers all teeth on the facing, and lip side stiffening device cover the position of several teeth on the facing; It also can be the position that lip side and tongue side stiffening device all cover several teeth on the facing; It can also be the position that lip side and tongue side stiffening device all cover all teeth on the facing.
On the other hand, the lip side of described facing stiffening device and tongue side stiffening device can synthesize as a whole, and promptly lip side and tongue side stiffening device have the public territory to cover on the facing corresponding to tooth incisxal edge and/or morsal part or all of zone.
Compared with prior art, the advantage and the effect that the utlity model has are as follows:
This utility model is the orthotic device of a kind of macromolecule orthodontic tooth crown and stiffening device combination, stiffening device is made up of lip side stiffening device, tongue side stiffening device and connector, compare with the existing one-sided technology that stiffening device is set, two stiffening devices of lip side and tongue side can improve the mechanical property of macromolecule orthodontic tooth crown better, make that the curative effect of macromolecule orthodontic tooth crown and the scope of application are wider.Stiffening device of the present utility model is based on the macromolecule orthodontic tooth crown making, each keeps the concordance of curved-surface shape with the contact surface of macromolecule orthodontic tooth crown and all or part of outer surface of macromolecule orthodontic tooth crown can to make lip side stiffening device and tongue side stiffening device, thereby makes stiffening device and macromolecule orthodontic tooth crown have good matching.Further, connecting lip side stiffening device and tongue side stiffening device by connector makes the thickness at the orthotic device of occlusal surfaces of teeth only be facing thickness, the influence that can not produce any discord to interlock.
Stiffening device of the present utility model can be plucked on macromolecule orthodontic tooth crown and wear, so the patient can optionally use macromolecule orthodontic tooth crown to rescue separately, or wears stiffening device on macromolecule orthodontic tooth crown, forms the combination type orthotic device and rescues.For example, the patient can select to use separately macromolecule orthodontic tooth crown when doings are arranged, to reach demand stealthy attractive in appearance, in no doings, selects to use the combination type orthotic device when for example sleeping, to quicken to rescue process.Stiffening device can all or part of covering macromolecule orthodontic tooth crown, the feasible tooth distribution situation that can rescue as required, peripheral part tooth in conjunction with these teeth is made stiffening device, be that stiffening device only covers tooth and the pairing macromolecule orthodontic tooth crown part of peripheral part tooth that need rescue, that can guarantee like this to rescue carries out smoothly, can alleviate the subject discomfort sense again, save material simultaneously, reduce cost.
Combination type orthodontic device of the present utility model is provided with retention system, bulge-structure for example is set on macromolecule orthodontic tooth crown, the stiffening device of making based on this macromolecule orthodontic tooth crown forms corresponding sunk structure, guarantees that further stiffening device is worn on retention effect on the macromolecule orthodontic tooth crown.We can say that this utility model had both improved the curative effect and the scope of application of macromolecule orthodontic tooth crown, fully taken into account the beautiful and comfortable demand of user again, easy to use, cost is low, and market prospect is wide.
The specific embodiment
Enforcement of the present utility model is in order to further specify of the present utility model, but not to the restriction of scope of the present utility model.
What Fig. 1 showed is a kind of combination type orthodontic device of the present utility model, comprise macromolecule orthodontic tooth crown 1 and be arranged on stiffening device 2 on the facing that described stiffening device comprises that lip side stiffening device 3 is with tongue side stiffening device 4 and be connected lip side stiffening device and the connector 5 of tongue side stiffening device.
Fig. 3 has shown the cutaway view of this utility model combination type orthodontic device, wherein, comprise macromolecule orthodontic tooth crown 1, be arranged on lip side stiffening device 3 and the tongue side stiffening device 4 on the facing and be connected lip side stiffening device and the connector 5 of tongue side stiffening device and be arranged on facing and stiffening device on retention system 6.
One type of embodiment 1 combination type dental appliance and preparation method thereof
Mode by computer-aided design designs middle full jaw tooth mathematical model, and on two canine teeth the design oval-shaped adnexa, the mode of utilizing rapid shaping is suppressed macromolecule orthodontic tooth crown with the just molded mode of plastic sheet employing of heating with centre full jaw tooth mathematical model material objectization on tooth jaw printer model.Make facing 1 as shown in Figure 1 based on being worn on tooth jaw printer model; Tinsel is bent, make connector 5.In the present embodiment, connector 5 is made up of two strands of tinsels, lays respectively at UR2-UL2, between the UR3-UL3.Use lip side external surface making as depicted in figs. 1 and 2 the lip side stiffening device 3 of dental base acrylic resin powder, make tongue side stiffening device 4 at the tongue side external surface of facing at facing.Dental base acrylic resin powder should wrap connector 5 as far as possible, tries not to cover the occlusal surface of dentognathic model simultaneously.Macromolecule orthodontic tooth crown and stiffening device are carried out subsequent treatment such as sanding and polishing, finish the making of stiffening device and combination type dental appliance.
In the present embodiment, the making of convex-concave retention system 6 as shown in Figure 3, can be in the centre design phase of full jaw tooth mathematical model promptly do consideration, retention system is directly designed on tooth model, and adopt just molded mode on tooth jaw printer model, to suppress the plastic sheet of heating; Also can on tooth jaw mock-up, male means be installed, perhaps on macromolecule orthodontic tooth crown, utilize the laboratory pliers thermal deformation method to make retention system.Quantity can be 1,2 or more a plurality of.The retention system of other shapes can take this area routine techniques means to make.
Use tinsel to make connector, can use 1 strand, 2 strands or multiply more, play connect lip side stiffening device and tongue side stiffening device in, make the structure of stiffening device have more rigidity.
One type of embodiment 2 facing stiffening devices
As shown in Figure 4, be the another kind of type of facing stiffening device.The labial surface stiffening device of facing stiffening device adopts dental base acrylic resin powder to make tray covered teeth UR4-UL4; It is the composite making of the tinsel composition of 0.7mm that the lingual surface stiffening device adopts dental base acrylic resin powder embedding diameter, tray covered teeth UR7-UL7; The tinsel that connector is 0.5mm by two strands of diameters is formed, and two strands of tinsels all are bent into the combined shaped of two sections dental arch shapes and two " U " shape songs, lay respectively between UR2-UL2 and the UR3-UL3; Two bursts of dental arch shape parts wiry of lip side stiffening device and the embedding of tongue side stiffening device.This facing stiffening device and facing are formed the combination type appliance, can quicken the process of rescuing of tooth, have especially increased the therapeutic efficiency that expands bow.
As shown in Figure 5, in the orthodontic device of the present utility model, can pluck between stiffening device and the macromolecule facing and unload.Fig. 5 has shown the using method of orthodontic device of the present utility model simultaneously.During use, the patient can be enclosed within facing on the tooth earlier, facing stiffening device of the present utility model is enclosed within on the facing uses then, just can improve the mechanical property of facing, and make things convenient for patient's use.