CN211633663U - Vertical accessory, accessory template and tooth appliance - Google Patents

Abstract

The utility model provides a perpendicular annex, annex template and tooth are rescued ware, this perpendicular annex possess be used for pasting the face of pasting of dental crown and along the thickness direction of perpendicular annex and with paste the working face that the face meets, the working face is the arcwall face, the centre of a circle of the arcwall face of this working face falls on in the impedance center that uses the tooth that glues as the centre of sphere and the radius is 1.5 mm's spheroid. The utility model discloses in, the tooth that pastes and to have perpendicular annex receives the stretching of facing or the just abnormal power of holding down passes through arbitrary position in the spheroid of impedance center place, evenly applies to the tooth for this tooth peri membrane atress is more even.

Description

Vertical accessory, accessory template and tooth appliance

Technical Field

The utility model belongs to the technical field of the tooth is rescued, a annex is related to, especially relate to a perpendicular annex, annex template and tooth are rescued ware.

Background

The dental orthodontics means to correct teeth and relieve malocclusion deformity. Stealthy is corrected is a mode in the orthodontic, specifically for through the digitization (3D scanner) with patient's tooth input computer, remove through software simulation tooth and arrange in order, later remove the process output shaping with the tooth through the 3D printer, use the press mold technique preparation facing, wear into the effect that reaches the orthodontic of tooth in the patient's mouth. The periodontal ligament exists around the tooth, and can be stretched or extruded when the tooth is stretched and pressed down, and the conventional accessories at present usually adopt rectangular blocks, so that the stress of the periodontal ligament is uneven.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a vertical attachment, an attachment template and a dental appliance, which are used for solving the problem of uneven stress on the periodontal ligament in the prior art.

In order to achieve the above and other related objects, the present invention provides a vertical attachment, which has a paste surface and an edge for pasting a dental crown, wherein the thickness direction of the vertical attachment is the same as the working surface of the paste surface, the working surface is an arc surface, and the working surface is the arc surface, and the center of the arc surface of the vertical attachment is adhered to the center of a sphere with the center of the impedance of the adhered tooth as the center of the sphere and the radius of the sphere being 1.5 mm.

In an embodiment of the present invention, the arc angle of the working surface ranges from 20 ° to 150 °.

In an embodiment of the present invention, the arc angle range of the working surface is 30 to 90 °.

In an embodiment of the present invention, the vertical attachment is provided with a first side surface and a second side surface symmetrically at two ends of the working surface.

In an embodiment of the present invention, the first side surface and the second side surface are parallel to the mesial and distal surfaces of the adhered teeth, respectively.

In an embodiment of the present invention, the vertical attachment further has a contact surface respectively connected to the bonding surface and the working surface, and the contact surface is a curved surface.

In an embodiment of the present invention, the vertical attachment further has a contact surface respectively connected to the bonding surface and the working surface, and the contact surface is formed by connecting the sections.

The utility model also provides an annex template, including a plurality ofly with accord with the first dental crown cover of patient's dentition shape, adjacent first dental crown cover inside intercommunication is one or more first dental crown is sheathe in and is equipped with the through-hole, and the shape of this through-hole is the same in the shape on dental crown surface with the above-mentioned perpendicular annex mapping.

In an embodiment of the present invention, the accessory template further includes a first protrusion for wrapping the vertical accessory, and the first protrusion is wrapped on the through hole.

The utility model also provides a tooth appliance, the tooth appliance includes a plurality of second dental crown covers that accord with patient's dentition shape the second dental crown is sheathe in and is equipped with the second arch that matches with above-mentioned perpendicular annex.

As mentioned above, the utility model discloses in paste the tooth that has perpendicular annex receive the stretching of facing or the just abnormal power of holding down through using the impedance center as the centre of sphere and the radius is 1.5mm in, evenly apply in the tooth for this tooth week membrane atress is more even, simultaneously, by near perpendicular working face and first side, the second side cooperate and possess tooth accuse root effect.

Drawings

Fig. 1 is a perspective view of the vertical attachment of the present invention showing the side of the attachment surface.

Fig. 2 is a perspective view of the contact surface side of the vertical attachment of the present invention.

Fig. 3 is a schematic view of the vertical attachment of the present invention.

Fig. 4 is a schematic structural diagram of the accessory template of the present invention.

FIG. 5 is a schematic view of the tooth corrector of the present invention

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The utility model provides a perpendicular annex for ware is rescued to tooth, this perpendicular annex can paste in the dental crown that is used for the premolar of holding down or tensile anterior tooth, still can paste in the dental crown that is used for tensile tooth that glues for when holding down or tensile anterior tooth, if the patient is the premolar to lack can paste perpendicular annex in cuspid.

Referring to fig. 1, the vertical accessory has an adhesive surface 1 for adhering the dental crown, a working surface 2 along the thickness direction of the accessory and connected to the adhesive surface 1, and a contact surface 3 connecting the adhesive surface and the working surface 2, wherein the contact surface 3 may be a curved surface, the contact surface 3 is smoothly transited from the adhesive surface to the working surface 2 to form a trihedral vertical accessory, and the contact surface 3 may also be formed by connecting a plurality of sections of connecting surfaces to form a polyhedral vertical accessory.

As shown in fig. 1, the shape of the pasting surface 1 can be adapted to the surface of the crown of the pasted tooth, specifically, the vertical attachment can be pasted to a plane area without radian on the crown, and the size of the pasting surface of the vertical attachment can be adjusted adaptively according to the plane area of the crown.

In this embodiment, the working surface 2 is an arc surface, and when the vertical attachment is adhered to the dental crown by the adhering surface, the center of the arc surface is located in a sphere with the impedance center of the adhered tooth as the center of the sphere and the radius of the sphere being 1.5 mm. Ensure that the orthodontic force direction of the tooth adhered with the vertical attachment falls into a sphere which takes the impedance center of the adhered tooth as the spherical center and has the radius of 1.5mm, preferably directly passes through the impedance center O of the tooth (the impedance center O is usually 1/2 of the tooth root), so that the periodontal ligament of the tooth is uniformly stressed.

In addition, because the tooth root is hidden in the alveolar bone, even though a bone picture is taken clinically by using CT or X-ray, the situation of the tooth root is easy to deviate under the modeling condition, and under the condition that the working surface 2 is an arc-shaped surface in the embodiment, even if the tooth root deviates under the modeling analysis, any region on the working surface 2 can be used as a stress region.

In the process of depressing or stretching the anterior teeth, the attachment serves as a fulcrum for depressing or stretching the anterior teeth, and orthodontic force is applied to the attachment through the tooth socket. When the anterior teeth are pressed down, the vertical accessory is stuck on the buccal surface of the premolar teeth on the two sides to provide anchorage function; when the anterior teeth are stretched or other teeth are stretched, the vertical attachment can be attached to the buccal side of the tooth where the vertical attachment is located, the tooth is stretched to move towards the orthodontic force direction, and if the buccal side of the tooth is clinically coronal to pass, the vertical attachment can be attached to the lingual side or the palatal side.

In an embodiment of the present invention, as shown in fig. 3, the arc angle β range of the working surface 2 can be set to 20 ° to 150 °, and further, the arc angle β range of the arc surface portion can be set to 30 ° to 90 °. The arc surface angle beta of the arc surface part can change the position of the stress area of the vertical accessory on the working surface 2 through the arc surface angle beta according to the position of the sphere where the impedance center O of the tooth is positioned.

In an embodiment of the present invention, since the tooth crown of the tooth is exposed in the oral cavity, the tooth root portion below the tooth crown exists in the alveolar bone, and the tooth root is moved by the orthodontic force while the tooth crown is moved. In order to ensure that the tooth root can be accurately controlled to move through the attachment in the orthodontic process, in the embodiment, the first side surface 41 and the second side surface 42 are respectively and symmetrically arranged at two ends of the working surface 2 on the vertical attachment, as shown in fig. 1 to 3, the peripheries of the first side surface 41 and the second side surface 42 are respectively connected with the working surface 2, the adhering surface 1 and the contact surface 3, wherein the first side surface 41 and the second side surface 42 are approximately parallel to the near-far middle surface of the adhered tooth, and the first side surface 41 and the second side surface 42 are respectively matched with the cambered surface, so that the anchorage tooth does not tend to incline towards the near-far middle surface in the process of pressing down or stretching, and the root control effect is achieved.

The clinician can also apply vertical attachments to the surface of the patient's teeth using the attachment template 5 to refine the attachment location of the vertical attachments during the orthodontic procedure. As shown in FIG. 4, the accessory template 5 includes a plurality of primary crown sleeves 51 conforming to the shape of the patient's dentition, with adjacent primary crown sleeves 51 being in internal communication. A through hole is provided in one or more of the first crown sleeves 51, the shape of which is the same as the shape of the vertical attachment mapped on the crown surface. The accessory template 5 may further include a first protrusion 52 for wrapping the vertical accessory, and the first protrusion 52 is wrapped in the through hole. The first crown cover 51 and the first protrusion 52 can be made of PETG or TPU. In this embodiment, the first crown sleeve 51 and the first bulge 52 may be integrally formed. In actual use, the clinician may select an attachment template 5 with the first protrusion 52 or may utilize an attachment template 5 without the first protrusion 52.

After the vertical accessories are adhered to the teeth to be orthodontics, the teeth of the patient are sleeved with the dental appliance 6, as shown in fig. 5, at the moment, the dental appliance 6 comprises a plurality of second crown sleeves 61 which are in accordance with the dentition shape of the patient, second protrusions 62 which are matched with the vertical accessories are arranged on the second crown sleeves 61, and after the tooth sleeves are installed in the mouths of the patients, the vertical accessories are wrapped by the second protrusions 62 to perform the dental corrections.

The use of vertical attachments will be described here, taking the example of depressing and stretching anterior teeth:

the clinician can select the accessory template 5 without the first protrusion 52 to be sleeved on the premolar, determine the sticking position of the vertical accessory according to the position of the through hole of the accessory template 5, extend the vertical accessory into the through hole according to the position of the through hole, stick the sticking surface 1 of the vertical accessory with the buccal surface of the tooth of the premolar by using the adhesive, and then cure the adhesive by using a light curing lamp. Wherein, the vertical accessory can be manufactured by a manufacturer and then stored in a dark place, and is sent to a doctor together with the accessory template 5.

The clinician can also use the accessory template 5 with the first protrusion 52 to place the vertical accessory into the first protrusion 52, or directly inject the dental light-cured resin into the first protrusion 52 to form the required vertical accessory, sleeve the accessory template 5 on the premolar, and cure by using the light-cured lamp to complete the adhesion of the vertical accessory and the premolar.

The utility model discloses in, paste the just abnormal power that the tooth that has perpendicular annex received the stretching of facing or the suppression through the impedance center O that uses the tooth that glues as the centre of sphere and the radius is 1.5mm in, evenly apply in the tooth for this tooth week membrane atress is more even, simultaneously, by work surface 2 and first side 41, the second side 42 near perpendicular cooperate and possess tooth accuse root effect.

To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. A vertical accessory is characterized by comprising an adhering surface for adhering a dental crown and a working surface which is connected with the adhering surface along the thickness direction of the vertical accessory, wherein the working surface is an arc-shaped surface, and the center of the arc-shaped surface of the working surface is positioned in a sphere which takes the impedance center of the adhered tooth as the sphere center and has the radius of 1.5mm when the vertical accessory is adhered to the dental crown.

2. The vertical attachment of claim 1, wherein the arcuate face angle of the working surface ranges from 20 ° to 150 °.

3. The vertical attachment of claim 2, wherein the arcuate face angle of the working surface ranges from 30 ° to 90 °.

4. The vertical attachment of claim 1, wherein a first side surface and a second side surface are symmetrically disposed on the vertical attachment at each end of the working surface.

5. The vertical attachment of claim 4, wherein the first side and the second side are each parallel to a mesial surface of the adhered tooth.

6. The vertical attachment of claim 1 further comprising a contact surface for engaging the adhesive surface and the working surface, wherein the contact surface is curved.

7. The vertical attachment of claim 1 further comprising contact surfaces respectively contacting the bonding surface and the working surface, wherein the contact surfaces are formed by joining a plurality of segments of the connecting surfaces.

8. An accessory template, comprising a plurality of first crown sleeves which are matched with the shape of the dentition of a patient, wherein the adjacent first crown sleeves are communicated with each other, one or more first crown sleeves are provided with through holes, and the shape of the through holes is the same as the shape of the vertical accessory mapped on the surface of the crown according to any one of claims 1 to 7.

9. The accessory template of claim 8, further comprising a first protrusion for wrapping the vertical accessory, the first protrusion being wrapped around the through hole.

10. A dental appliance, characterized in that the appliance comprises a plurality of second crown sleeves which are matched with the dentition shape of a patient, and second bulges matched with the vertical accessories of any one of claims 1 to 7 are arranged on the second crown sleeves.

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