Claims: CLAIM
I/WE CLAIM:
1. An arrangement for accurate alignment &movement of teeth, wherein said arrangement comprising:
Plurality of aligner unit, a 3D modeling unit, a computing unit, 3D printing unit, an attachment401; and
Wherein said aligner unit further comprise of a thin aligner and a thick aligner.

2. A method for accurate alignment& movement of teeth thereof comprising of the following steps:
i. Receiving of exact 3D model of patients upper and lower teeth jaw
ii. Moving teeth digitally to desired position.
iii. Applying the attachment to the teeth for accurate movement
iv. Identifying active surface on the attachment surface
v. Modifying the template model attachments to reduce friction of removal and insertion but deliver directional force
vi. 3D Printing of 3D model of step (v)
vii. Modular aligner manufacturing – on each 3D model thin aligner and a thick aligner are manufactured
viii. Implementation (wearing) of the thin aligner to upper and lower teeth jaw. Low forces better fit accurate tooth movement
ix. Wearing of thick aligner 10 days after thin aligner completes the predicted tooth movement
x. Packaging of plurality of aligner (vii-viii).
xi. Supplying of packaged aligner and attachment of step (x) to the patients.
xii. Applying the plurality of aligner and the active attachment to patients jaw.
3. The arrangement for accurate alignment & movement of teeth as claimed in claim 1, wherein said thin aligner of size 0.6 mm and said thick aligner of size 0.75 mm.

4. The arrangement for accurate alignment & movement of teeth as claimed in claim 1, wherein said thin aligner reduced the force on teeth and wherein said thick aligner gives predicted teeth movement.

5. The arrangement for accurate alignment & movement of teeth as claimed in claim 1, wherein said 3D modeling unit examines size, shape and alignment of teeth digitally.

6. The arrangement for accurate alignment & movement of teeth as claimed in claim 1, wherein said computing unit analyze movement of teeth into proper position digitally.

7. The arrangement for accurate alignment & movement of teeth as claimed in claim 1, wherein said 3D printing unit prints said thin aligner, said thick aligner and said attachment401 after modeling in said 3D model unit and said computing unit.
, Description:(1) FIELD OF THE INVENTION

The present invention generally relates to the field of methods of moving teeth with aligners, and more particularly the present invention relates to an arrangement for accurate alignment & movement of teeth and method thereof.

(2) BACKGROUND OF THE INVENTION

Orthodontia is the science of moving teeth. Teeth move when under constant force in the direction of force. With the advent of 3D technology in terms of computer aided designing and computer aided manufacturing has led to an improved version of aligners from the manual version. The process of aligners comprised of multiple steps:
i. Receiving of 3D model of the patient’s upper and lower jaw.
ii. Moving of teeth digitally into desired positions using aligner.
iii. Placing the attachment.
iv. Creation of 3D model of aligner and attachment.
v. Sending and printing of 3D model of aligner and attachment.
vi. Numbering and marking using of aligner and attachment laser.
vii. Packing and dispatching the aligner and attachment to the patient.
viii. Treatment of the patients using aligner and attachment by the doctors.

A number of different types of methods of moving teeth with aligners and attachment are available in prior art. For example, the following patents are provided for their supportive teachings and are all incorporated by reference: Prior art document, US20160310236A1discloses an improved orthodontic appliances, along with related systems and methods. In this invention, an appliance includes a shell having a plurality of cavities shaped to receive teeth, a discontinuity formed in the shell, and an elastic member positioned to interact with the discontinuity. The appliance includes a plurality of discrete shell segments joined by an elastic material to form a single appliance shell. The appliance includes a shell having an exterior layer and an interior layer having a stiffness less than a stiffness of the exterior layer, and a discontinuity formed in the exterior layer. The appliance includes a shell comprising an interior surface and an exterior surface, and an elastic coating covering at least a portion of one or more of the interior surface or exterior surface of the shell.

Another prior art document, US20190000593A1discloses a methods and systems which is used for generating a treatment plan for arch expansion where a polymeric shell appliance is utilized to generate one or more activation forces that facilitate tooth movement. The polymeric shell appliances may comprise one or more tooth receiving cavities, in which each of the plurality of tooth receiving cavities is shaped and arranged to provide a counter moment of each of the plurality of teeth.

Yet another prior art document, WO2018160875A1 described an improved dental materials and appliances made there from that have a range of flexibility and strength and exhibit improved comfort and effectiveness in orthodontic and other treatment.

Yet another prior art document, US20160051341A1 discloses a series of appliances including a first shell and a second shell can be designed to incrementally implement a treatment plan. The first and second shells can have cavities designed to receive teeth of a jaw. The first shell can be designed to interface with a first surface of a plurality of surfaces of an attachment structure to provide a first engagement force specific to a first stage of the treatment plan. The second shell can be designed to interface with a second surface of the plurality of surfaces of the attachment structure attached to the at least one tooth of the first jaw to provide a second engagement force specific to a second stage of the treatment plan.

Yet another prior art document, US20170367792A1 discloses a method includes receiving, with a computer system, a digital representation of a 3D tooth structure providing initial positions of one or more teeth of a patient, determining dimensions and shapes of a removable dental appliance, the dimensions and shapes being configured to reposition the one or more teeth from their initial positions to adjusted positions when the dental appliance is worn, and transmitting a representation of the dental appliance to a computer-aided manufacturing system. The dental appliance includes an appliance body configured to surround two or more teeth of the patient with a facial portion configured to register with facial sides of the surrounded teeth, and a lingual portion configured to register with lingual sides of the surrounded teeth. The appliance body is configured such that occlusal surfaces of the surrounded teeth of the patient are exposed when the removable dental appliance is worn by the patient.

Yet another prior art document, US9795460B2 discloses a tooth-positioning appliance for closing spaces has at least two appliance segments, each segment having a thin elastomeric shell with recesses for removable engaging a set of teeth, and tooth-clasping elements for removable engaging bonded attachments protruding from the teeth. One of the appliance segments includes a flat receptacle extending horizontally on the thin shell of the appliance segment, and the other appliance segment has a thin elongated tab extending laterally from the second appliance segment spanning the space to be closed, and in sliding engagement with the flat receptacle of the other appliance segment. An activating element is connected between the appliance segments to exert a force to change the size of the space between the sets of teeth as the tab slides with respect to the flat receptacle.

Yet another prior art document, ES2594884T3discloses a System to reposition teeth from one tooth arrangement to another tooth arrangement, said system comprising a set of devices incremental position adjustment comprising a housing having a cavity configured to receive and reposition teeth being designed devices to cause the teeth move incrementally a tooth arrangement to another tooth arrangement when the devices are carried in succession by a patient, wherein the rigidity of at least some of the devices are not uniform in the apparatus and rigidities parts of the geometrically corresponding housing at least two of said apparatuses differ, and wherein the housings of said at least two of said set of devices having the same shape, consisting of devices in a thermo-formable material it is thermoformed to produce the apparatus; wherein at least one of said apparatuses has a first and a second housing part of different stiffness; wherein the first and second housing portion are each configured to receive one or more teeth; comprising at least one layers of different rigidities apparatus; wherein the at least one apparatus comprises a discontinuous inner layer and an outer layer continuous at least being configured a portion of the inner layer for engaging individual teeth or groups of teeth and being more rigid than the outer layer.

However, above mentioned references and many other similar references has one or more of the following shortcomings: (a) Manufacturing of single design takes a large amount of time; (b) rigid; (c) large size attachment; (d) high expense; and (e) single aligner, not comfortable for teeth application.

The present application addresses the above mentioned concerns and short comings with regard to providing an arrangement for accurate alignment & movement of teeth and method thereof.

(3) SUMMARY OF THE INVENTION

In the view of the foregoing disadvantages inherent in the known types of aligner and dental appliances and methods present in the prior art, the present invention provides an arrangement for accurate alignment & movement of teeth and method thereof. As such, the general purpose of the present invention, which will be described subsequently in greater detail, is to provide an arrangement for accurate alignment & movement of teeth and method thereof which has all the advantages of the prior art and none of the disadvantages.

The main aspect of the present invention is to provide an arrangement for accurate alignment & movement of teeth. The arrangement for accurate alignment & movement of teeth and method thereof comprised of plurality of aligner unit, a 3D modeling unit, a computing unit, 3D printing unit and an attachment. The aligner unit further comprise of a thin aligner and a thick aligner.

Another aspect of the present invention is to provides the method for accurate alignment & movement of teeth thereof comprised of following steps:

i. Receiving of exact 3D model of patients upper and lower teeth jaw
ii. Moving teeth digitally to desired position.
iii. Applying the attachment to the teeth for accurate movement
iv. Identifying active surface on the attachment surface
v. Modifying the template model attachments to reduce friction of removal and insertion but deliver directional force
vi. 3D Printing of 3D model of step (v)
vii. Modular aligner manufacturing – on each 3Dmodel thin aligner and a thick aligner are manufactured
viii. Implementation (wearing) of the thin aligner to upper and lower teeth jaw. Low forces better fit accurate tooth movement
ix. Wearing of thick aligner 10 days after thin aligner completes the predicted tooth movement
x. Packaging of plurality of aligner (vii-viii).
xi. Supplying of packaged aligner and attachment of step (x) to the patients.
xii. Applying the plurality of aligner and the active attachment to patients jaw.

Yet another aspect of the present invention is to provide the thin aligner and thick aligner which are of size 0.6 mm and 0.75 mm respectively.

Still another aspect of the present invention is to provide the thin aligner which mount on teeth and reduced the force on teeth.

Yet another aspect of the present invention is to provide the thick aligner which completes the predicted tooth movement.

Still another aspect of the present invention is to provide the 3D modeling unit which examines size, shape and alignment of teeth digitally.

Yet another aspect of the present invention is to provide the computing unit which analyze movement of teeth into proper position digitally.

Final aspect of the present invention is to provide the 3D printing unit which prints and manufacture the thin aligner, the thick aligner and the attachment after modeling in the 3D model unit and the computing unit.

In this respect, before explaining at least one embodiment of the invention in detail, it is to be understood that the invention is not limited in its application to the details of construction and to the arrangements of the components set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced and carried out in various ways. Also, it is to be understood that the phraseology and terminology employed herein are for the purpose of description and should not be regarded as limiting.

These together with other objects of the invention, along with the various features of novelty which characterize the invention, are pointed out with particularity in the disclosure. For a better understanding of the invention, its operating advantages and the specific objects attained by its uses, reference should be had to the accompanying drawings and descriptive matter in which there are illustrated preferred embodiments of the invention.

(4) BRIEF DESCRIPTION OF THE DRAWINGS

The invention will be better understood and objects other than those set forth above will become apparent when consideration is given to the following detailed description thereof. Such description makes reference to the annexed drawings wherein:

Fig.1 depicts the flow chart an arrangement for accurate alignment & movement of teeth and method thereof.

Fig.2 depicts the schematic view of the attachment of prior art.

Fig.3 depicts the schematic view of the attachments for intrusion on all 3 D printed models.

Fig.4 depicts the schematic view of the attachment of active surface of the tooth.

Fig.5 depicts the schematic view of the anchor surface.

Fig.6 depicts the schematic view of the attachment on tooth with anchor surface.

Fig.7 depicts the schematic view of the active anchor surface.

Fig.8 depicts the schematic view of the tipping area of active surface.

(5) DETAILED DESCRIPTION OF THE INVENTION

In the following detailed description, reference is made to the accompanying drawings which form a part hereof, and in which is shown by way of illustration specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, and it is to be understood that the embodiments may be combined, or that other embodiments may be utilized and that structural and logical changes may be made without departing from the spirit and scope of the present invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is defined by the appended claims and their equivalents.

The present invention is described in brief with reference to the accompanying drawings. Now, refer in more detail to the exemplary drawings for the purposes of illustrating non-limiting embodiments of the present invention.

As used herein, the term "comprising" and its derivatives including "comprises" and "comprise" include each of the stated integers or elements but does not exclude the inclusion of one or more further integers or elements.

As used herein, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. For example, reference to "a device" encompasses a single device as well as two or more devices, and the like.

As used herein, the terms "for example", "like", "such as", or "including" are meant to introduce examples that further clarify more general subject matter. Unless otherwise specified, these examples are provided only as an aid for understanding the applications illustrated in the present disclosure, and are not meant to be limiting in any fashion.

As used herein, the terms ““may”, “can”, “could”, or “might” be included or have a characteristic, that particular component or feature is not required to be included or have the characteristic.

Exemplary embodiments will now be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments are shown. These exemplary embodiments are provided only for illustrative purposes and so that this disclosure will be thorough and complete and will fully convey the scope of the invention to those of ordinary skill in the art. The invention disclosed may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Various modifications will be readily apparent to persons skilled in the art. The general principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the invention. Moreover, all statements herein reciting embodiments of the invention, as well as specific examples thereof, are intended to encompass both structural and functional equivalents thereof. Additionally, it is intended that such equivalents include both currently known equivalents as well as equivalents developed in the future (i.e., any elements developed that perform the same function, regardless of structure). Also, the terminology and phraseology used is for the purpose of describing exemplary embodiments and should not be considered limiting. Thus, the present invention is to be accorded the widest scope encompassing numerous alternatives, modifications and equivalents consistent with the principles and features disclosed. For purpose of clarity, details relating to technical material that is known in the technical fields related to the invention have not been described in detail so as not to unnecessarily obscure the present invention.

Thus, for example, it will be appreciated by those of ordinary skill in the art that the diagrams, schematics, illustrations, and the like represent conceptual views or processes illustrating systems and methods embodying this invention. The functions of the various elements shown in the figures may be provided through the use of dedicated hardware as well as hardware capable of executing associated software. Similarly, any switches shown in the figures are conceptual only. Their function may be carried out through the operation of program logic, through dedicated logic, through the interaction of program control and dedicated logic, or even manually, the particular technique being selectable by the entity implementing this invention. Those of ordinary skill in the art further understand that the exemplary hardware, software, processes, methods, and/or operating systems described herein are for illustrative purposes and, thus, are not intended to be limited to any particular named element.

Each of the appended claims defines a separate invention, which for infringement purposes is recognized as including equivalents to the various elements or limitations specified in the claims. Depending on the context, all references below to the "invention" may in some cases refer to certain specific embodiments only. In other cases it will be recognized that references to the "invention" will refer to subject matter recited in one or more, but not necessarily all, of the claims.

All methods described herein can be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The use of any and all examples, or exemplary language (e.g., “such as”) provided with respect to certain embodiments herein is intended merely to better illuminate the invention and does not pose a limitation on the scope of the invention otherwise claimed. No language in the specification should be construed as indicating any non-claimed element essential to the practice of the invention.

Various terms as used herein are shown below. To the extent a term used in a claim is not defined below, it should be given the broadest definition and persons in the pertinent art have given that term as reflected in printed publications and issued patents at the time of filing.

Groupings of alternative elements or embodiments of the invention disclosed herein are not to be construed as limitations. Each group member can be referred to and claimed individually or in any combination with other members of the group or other elements found herein. One or more members of a group can be included in, or deleted from, a group for reasons of convenience and/or patentability. When any such inclusion or deletion occurs, the specification is herein deemed to contain the group as modified thus fulfilling the written description of all groups used in the appended claims.

The main embodiment of the present invention is to provide an arrangement for accurate alignment & movement of teeth and method thereof. The arrangement for accurate alignment & movement of teeth and method thereof comprised of plurality of aligner unit, a 3D modeling unit, a computing unit, 3D printing unit and an attachment401. The aligner unit further comprise of a thin aligner and a thick aligner. The 3D modeling unit examines size, shape and alignment of teeth digitally. The computing unit analyze movement of teeth into proper position digitally. The 3D printing unit prints and/or manufacture the thin aligner, the thick aligner and the attachment401 after modeling in the 3D model unit and the computing unit.

The methods for accurate alignment & movement of teeth thereof comprised of following steps:
i. Receiving of exact 3D model of patients upper and lower teeth jaw
ii. Moving teeth digitally to desired position.
iii. Applying the attachment to the teeth for accurate movement
iv. Identifying active surface on the attachment surface
v. Modifying the template model attachments to reduce friction of removal and insertion but deliver directional force
vi. 3D Printing of 3D model of step (v)
vii. Modular aligner manufacturing – on each 3Dmodel thin aligner and a thick aligner are manufactured
viii. Implementation (wearing) of the thin aligner to upper and lower teeth jaw. Low forces better fit accurate tooth movement
ix. Wearing of thick aligner 10 days after thin aligner completes the predicted tooth movement
x. Packaging of plurality of aligner (vii-viii).
xi. Supplying of packaged aligner and attachment of step (x) to the patients.
xii. Applying the plurality of aligner and the active attachment to patients jaw.

The plurality of aligner further comprises of a thin aligner and a thick aligner. The thin aligner is of size 0.6 mm. The thin aligner is mounted on the lower and upper jaw of teeth of the patients. The thin aligner reduced the force on the teeth. The force is applied to the teeth for its movement to achieve desired position of the teeth. The thin aligner is loaded gradually on the teeth. The thick aligner is of size 0.75 mm. The thicker aligner would be stiff enough to achieve the predicted tooth movement. The thick aligners are mounted on the thin aligner. The thin aligner and the thick aligner are first design, model in the 3D model digitally and it printed and/or manufactured using 3D printing technology. The 3D printing technology in the present invention may be additive manufacturing, fused deposition modeling etc.

Fig. 1 shows the flow chart an arrangement for accurate alignment & movement of teeth and method thereof. In the present invention first 3D modeling of teeth are done. After 3D modeling the plurality of aligner and attachment 401 are placed on teeth digitally. In the computing unit the movement of teeth achieves using aligner and attachment 401 digitally. After successful movement of teeth the same aligner and attachment 401 are printed and/or manufactured by 3D printing unit. The printed aligner and attachment 401 are supplied to the patients for treatment

Fig.2 shows the schematic view of the attachment of prior art.

Fig.3 shows the schematic view of the attachments for intrusion on all 3D printed models. In the present invention 3D printed model are prepared with proper attachment digitally.

Fig.4 shows the schematic view of the attachment401. The attachment 401 is placed on the active surface of the teeth. The active surface of teeth gives the area of teeth in which when force applied teeth start its movement. The active surface are identified by the 3D model. The attachment 401 is first design and model using 3D model digitally. The attachment 401 is printed and/or manufactured using 3D (three dimensional) printing.

After the implementation of plurality of aligner and the attachment401 in the present invention the teeth are moved to desired position.

Fig.5 shows the schematic view of the anchor surface. In the present invention 3D model of anchor surface are prepared. In lower jaw and upper jaw are taken for 3D model.

Fig.6 shows the schematic view of the attachment on tooth with anchor surface. The 3D model of attachment are attach accurately with the anchor surface digitally. After accurate implementation of attachment on the teeth, 3D model of same attachment are printed in 3D printer.

Fig.7 shows the schematic view of the active anchor surface. In the present invention active anchor surface are identify. The active anchor surface are the area which gives the accurate movement of the teeth.

Fig.8 shows schematic view of the tipping area of active surface. The attachment are implemented in the tipping area of the tooth.

The present invention provides a very comfortable and reliable aligner and attachment401 that makes the teeth to the desired position.

It is to be understood that the above description is intended to be illustrative, and not restrictive. For example, the above-discussed embodiments may be used in combination with each other. Many other embodiments will be apparent to those of skill in the art upon reviewing the above description.

The benefits and advantages which may be provided by the present invention have been described above with regard to specific embodiments. These benefits and advantages, and any elements or limitations that may cause them to occur or to become more pronounced are not to be construed as critical, required, or essential features of any or all of the embodiments.

While the present invention has been described with reference to particular embodiments, it should be understood that the embodiments are illustrative and that the scope of the invention is not limited to these embodiments. Many variations, modifications, additions and improvements to the embodiments described above are possible. It is contemplated that these variations, modifications, additions and improvements fall within the scope of the invention.