阅读说明：本技术 一种数字化矫治器的制备方法及使用方法 (preparation method and use method of digital appliance ) 是由 冀堃 陆伟 吴国锋 于 2019-09-03 设计创作，主要内容包括：本发明公开了一种数字化矫治器的制备方法,涉及口腔正畸技术领域,包括以下步骤：S1：采用扫描仪扫描患者口腔,获取患者上颌和下颌的数字化模型,并获取咬合关系；S2：以数字化模型为基础,并结合3D设计软件设计出数字化矫治器模型；S3：应用PEEK/PEKK材料制造出数字化矫治器；本发明采用数字化扫描技术扫描得到患者口腔的数字化模型,该数字化模型完全可提供制定治疗计划所需要的各种术前数据,不仅解决了传统取模方式给患者带来的不适感,而且便于数据存储和调用,且采用PEEK/PEKK材料,具有一定的弹性,可有效地保护牙齿,具有很好的耐磨性能,同时可避免患者佩戴矫治器后出现如金属过敏、菌斑附着等问题。(The invention discloses a preparation method of a digital appliance, relating to the technical field of orthodontic, and comprising the following steps: s1: scanning the oral cavity of a patient by adopting a scanner, acquiring digital models of the upper jaw and the lower jaw of the patient, and acquiring a bite relation; s2: designing a digital appliance model by combining 3D design software on the basis of the digital model; s3: manufacturing a digital appliance by using a PEEK/PEKK material; the digital model of the oral cavity of the patient is obtained by scanning through a digital scanning technology, the digital model can completely provide various preoperative data required by making a treatment plan, discomfort brought to the patient by a traditional model taking mode is solved, data storage and calling are facilitated, a PEEK/PEKK material is adopted, the elasticity is certain, teeth can be effectively protected, the wear-resisting property is good, and the problems of metal allergy, plaque attachment and the like after the patient wears the appliance can be avoided.)

1. A preparation method of a digital appliance is characterized by comprising the following steps: the method comprises the following steps:

s1: scanning the oral cavity of a patient by adopting a scanner, acquiring digital models of the upper jaw and the lower jaw of the patient, and acquiring a bite relation;

s2: designing a digital appliance model by combining 3Shape Dental Manager Client design software on the basis of a digital model;

S3: the digital appliance is manufactured by applying PEEK/PEKK material.

2. The method of claim 1, wherein the method comprises: in S3, after the digital appliance is manufactured, the digital appliance is try-fitted on a resin model manufactured according to the digital model of the oral cavity of the patient, the accuracy of the mouth-scanning model of the digital appliance and the adhesion of the digital appliance are checked, and the digital appliance is adjusted according to the try-fitting result and polished after being adjusted.

3. the method of claim 1, wherein the method comprises: the scanner in the S1 adopts a scanner with the model number of 3shape D2000.

4. the method of claim 1, wherein the method comprises: the manufacturing method of the digital appliance in the step S3 is to cut through a cutting device or perform 3D printing through a 3D printing device.

5. A method of using the digital appliance of any one of claims 1 to 4, wherein: the method comprises the following steps:

s1: treating the tissue surface of the digital appliance by adopting concentrated sulfuric acid for 5s, and blowing to dry after flushing by running water;

S2: uniformly coating visio.link on the tissue surface of the digital appliance, slightly blowing after 10s, and photocuring for 90 s;

S4: performing acid etching on the abutment bonding surface corresponding to the digital appliance by using orthophosphoric acid for 30s, then washing by running water, drying by moisture insulation, coating an adhesive on the bonding surface of the abutment, and performing photocuring for 20s after 10 s;

s3: uniformly coating a resin adhesive on the texture surface of the digital appliance, and performing photocuring for 20s after 10 s;

s5: placing the resin cement coated door on the tissue surface of the digital appliance, then wearing the digital appliance on the corresponding abutment, removing the redundant resin cement coated door after photocuring for 2s, and then photocuring for 20s to complete the wearing of the digital appliance.

6. the use method of the digital appliance of claim 5, wherein: the concentration of concentrated sulfuric acid in the S1 was 98%.

7. The use method of the digital appliance of claim 5, wherein: the concentration of orthophosphoric acid in said S4 was 37%.

Technical Field

the invention relates to the technical field of orthodontic, in particular to a preparation method and a use method of a digital appliance.

background

The appliance is a device for treating malocclusion, or orthodontic appliance, which can generate acting force or change the deformed jaw, malposed tooth and periodontal supporting tissue by the functional acting force of the muscles around the mouth of the chewing muscle through the appliance so as to be beneficial to the normal growth and development of the maxillofacial surface.

the traditional appliance manufacturing has the following problems: the traditional appliance needs to take an impression in the mouth, and most children patients feel uncomfortable and even feel nausea and vomiting; the traditional appliance has great errors in the manufacturing process, and the situations of poor retention, poor fitting degree and even need of rework may occur; the traditional removable appliance is made by hands, and usually adopts metal materials, epoxy resins and other materials, so that the traditional removable appliance has the problems of poor appearance and possibly has some problems after being worn, such as metal allergy, easy plaque adhesion of the resin and the like; the force application of the traditional appliance is mostly adjusted by doctors according to experience, so that the force balance is difficult to ensure to be moderate, and the moving direction and distance of teeth cannot be accurately predicted; the method can effectively monitor the moving position of the teeth, timely judge whether the teeth meet expectations and make timely adjustment; some are rescued the ware part and need bond on the tooth, adopt the finished product part more, select to be fit for the model, and the accuracy, the leakproofness is not good to need corresponding adjustment in order to adapt to and correct the demand, the design can be adjusted according to the demand is nimble to the ware part of rescuring of digital preparation.

disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a preparation method and a use method of a digital appliance.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a preparation method of a digital appliance comprises the following steps:

s1: scanning the oral cavity of a patient by adopting a scanner, acquiring digital models of the upper jaw and the lower jaw of the patient, and acquiring a bite relation;

s2: designing a digital appliance model by combining a 3Shape Dental Manager Client on the basis of a digital model;

s3: the digital appliance is manufactured by applying PEEK/PEKK material.

Further, in S3, after the digital appliance is manufactured, the digital appliance is trial-worn on the resin mold, the accuracy of the mouth-scan model of the digital appliance and the adhesion of the digital appliance are checked, and the digital appliance is adjusted according to the trial-wearing result and polished after the adjustment.

In the preparation method of the digital appliance, the scanner in the S1 is a scanner with a model number of 3shape d 2000.

In the foregoing method for manufacturing the digital appliance, the method for manufacturing the digital appliance in S3 is to cut by a cutting device or perform 3D printing by a 3D printing device.

a method for using a digital appliance comprises the following steps:

S1: treating the tissue surface of the digital appliance by adopting concentrated sulfuric acid for 5s, and blowing to dry after flushing by running water;

s2: uniformly coating visio.link on the tissue surface of the digital appliance, slightly blowing after 10s, and photocuring for 90 s;

s3: uniformly coating a resin adhesive on the texture surface of the digital appliance, and performing photocuring for 20s after 10 s;

s4: etching the bonding surface of the corresponding abutment and the digital appliance by orthophosphoric acid for 30s, washing by running water, drying by moisture insulation, coating adhesive on the bonding surface of the abutment, and performing photocuring for 20s after 10 s;

S5: placing the resin cement coated door on the tissue surface of the digital appliance, then wearing the digital appliance on the corresponding abutment, removing the redundant resin cement coated door after photocuring for 2s, and then photocuring for 20s to complete the wearing of the digital appliance.

in the method for using the digital appliance, the concentration of concentrated sulfuric acid in the S1 is 98%.

In the method for using the digital appliance, the concentration of orthophosphoric acid in S4 is 37%.

The invention has the beneficial effects that: in clinic, the digital model can be matched with relevant software to analyze the digital model,

(1) The invention adopts the digital scanning technology to scan and obtain the digital model of the oral cavity of the patient, the digital model can completely provide various preoperative data required for making a treatment plan, not only solves the problem of discomfort brought to the patient by the traditional model taking mode, but also can make the model according to the requirement, and is convenient for data storage and calling;

(2) the invention realizes the computer simulation tooth arrangement experiment through the digital scanning technology, carries out the diagnosis or predictive computer tooth arrangement experiment through the separation of the three-dimensional tooth jaw model teeth to determine the correction scheme, predict the correction result, help to select the anchorage type, reduce the error in the manufacturing process to the utmost extent, and provide certain convenience for the clinician;

(3) The invention adopts special high polymer material PEAK family, including PEEK (polyether ether ketone) and PEKK (polyether ketone), which has small mass, certain elasticity, soft correcting force, effective tooth protection during correcting, good wear resistance, and service life of the corrector, and simultaneously, the PEAK material can well resist the formation of dental plaque, thereby avoiding the problems of metal allergy, dental plaque attachment and the like after a patient wears the corrector;

(4) according to the invention, concentrated sulfuric acid is firstly adopted for acid etching on the tissue surface of the digital appliance, so that the tissue surface of the appliance forms a rough surface, thus the volume of the adhesive is increased, the specific surface of the adhesive surface is increased, and the micro-mechanical locking force of the adhesive and the tissue surface of the appliance is further improved; the tissue surface of the appliance is uniformly coated with visio.link, which is an adhesive containing methyl methacrylate, and the adhesive can generate chemical bond combination reaction with PEEK/PEKK material, so that the adhesive property of the appliance and the resin adhesive is improved;

(5) The invention can fit the digital oral scanning models at different time points through computer software, accurately judge the tooth moving direction and distance, and can redesign the appliance to correct tooth displacement if the tooth movement deviates from the expected designed moving track, thereby realizing the purposes of effective monitoring and timely adjustment;

(6) according to the invention, all parts of the appliance can be flexibly modified and adjusted through 3D design software, so that the appliance requirements for meeting different malocclusion conditions can be designed.

Drawings

FIG. 1 is a schematic view of a digital scan of a patient's mouth;

FIG. 2 is a schematic view of an appliance designed from a digitized model;

FIG. 3 is a schematic view of the upper and lower jaws of a patient's mouth with an appliance in place;

FIG. 4 is a schematic representation of the upper and lower jaws of a patient's mouth at a follow-up visit 10 days after wearing the appliance;

fig. 5 is a reaction diagram of PEEK/PEKK material with visio.

Detailed Description

in order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.