CN203226914U - Testing device of tooth corrector - Google Patents
Testing device of tooth corrector Download PDFInfo
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- CN203226914U CN203226914U CN 201220690875 CN201220690875U CN203226914U CN 203226914 U CN203226914 U CN 203226914U CN 201220690875 CN201220690875 CN 201220690875 CN 201220690875 U CN201220690875 U CN 201220690875U CN 203226914 U CN203226914 U CN 203226914U
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- dental appliance
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- force cell
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Abstract
The utility model provides a testing device of a tooth corrector. The testing device comprises a force-conducting part and a force-measuring sensor part, wherein the force-conducting part can be coupled with teeth to be corrected in a dentition model; the force-measuring sensor part is coupled with the force-conducting part. The testing device provided by the utility model has the advantages that in testing, the tooth corrector to be tested is worn on the dentition model, the correcting force applied by the tooth corrector on the teeth to be corrected is conducted to the force-measuring sensor part by the force-conducting part so as to measure parameters of the correcting force by the force-measuring sensor part.
Description
Technical field
This utility model relates to a kind of dental appliance test set, and it can carry out the multidimensional physical parameters measurement to dental appliance, thereby the performance of dental appliance is assessed.
Background technology
Medical science is corrected and treatment for patient's tooth is carried out, and has developed multiple orthodontic apparatus at present.Especially the stealthy dental appliance that does not have bracket because it is worn conveniently and be attractive in appearance, obtains more and more general application in high-end orthodontic field.Yet, also there are not a kind of standardized means at present, can before patient's actual wear, carry out omnibearing test by performance and the expectation therapeutic effect to dental appliance.Because actual teeth is complex-shaped, and entity size is less, brought very big difficulty for the force data of rescuing of accurately measuring appliance.
Therefore, wish to have and a kind ofly can carry out the means of multidimensional test to the physical parameter of dental appliance, thereby provide foundation for the medical worker explores the more efficiently scheme of rescuing.
The utility model content
From the demand, the purpose of this utility model is to provide a kind of apparatus and method of easily dental appliance being tested, it can measure the mechanics parameter of dental appliance in all directions, rescue scheme for improving medical science, explore the novel adnexa of rescuing and offer help, and can assess different materials and geometry effectively to the performance of dental appliance and the influence in service life.
For addressing the above problem, an aspect according to the application, a kind of dental appliance test set is provided, and it comprises the power conducting parts that can be coupled mutually with tooth to be rescued in the dental arch model and the force cell parts that are coupled mutually with described power conducting parts.When testing, dental appliance to be measured is worn on the tooth model, the power of rescuing that this dental appliance imposes on tooth to be rescued is transmitted to described force cell parts via described power conducting parts, by described force cell parts this parameter of rescuing power is measured.
According to a kind of embodiment of the application, described dental appliance test set can comprise that a tooth mould installs base plate, is used for when testing fixedly dental arch model.
According to another embodiment of the application, described dental appliance test set also can comprise an installing rack, and described tooth mould is installed base plate and described force cell parts are supported on this installing rack.
Preferably, the force cell parts of the described dental appliance test set employing of the application can be six-dimension force sensors.This six-dimension force sensor can measure simultaneously that dental appliance produces in the cartesian coordinate system of space 3 force components and three moment component.
According to the application's an optional embodiment, described power conducting parts can be a dowel steel, and described dowel steel can be fixing with it by the installing hole of tooth bottom described to be rescued.
A kind of embodiment according to the application, described dental appliance test set also can comprise data processing equipment, the data that recorded by described force cell parts are admitted to this data processing equipment with for further analysis, are for example stored in described data processing equipment and/or show.
According to another optional embodiment, the described dental appliance test set of the application also can comprise an artificial saliva groove, is used for the simulation oral environment.
By dental appliance test set recited above, the mechanics parameter of comprehensive measurement dental appliance easily and quickly, and it is assessed.For example, can be by actual teeth state and the oral environment of simulated patient, power is rescued in the expection of dental appliance applied and analyze accurately in effect, aging resistance degree, service life etc., thereby rescue scheme, improve the appliance performance reliable foundation is provided for improvement.
Description of drawings
The application's above-mentioned and other feature will be by being described further below in conjunction with accompanying drawing and detailed description thereof.Should be understood that these accompanying drawings only show the some exemplary embodiment according to the application, therefore should not be considered to be the restriction to the application's protection domain.Unless stated otherwise, it is proportional that accompanying drawing needs not to be, and wherein similar label is represented similar parts.
Fig. 1 shows the overall perspective view according to the dental appliance test set of the application's a illustrative examples, and wherein, 1: the tooth mould is installed base plate; 2: the installing rack upper surface; 3: the installing rack lower surface; 4: cushion block is installed; 5: dental arch model; 6: data processing equipment;
Fig. 2 A shows the schematic side elevation of dental appliance test set shown in Figure 1, wherein, and 7: six-dimension force sensor;
Fig. 2 B shows along the cutaway view of the A-A line among Fig. 2 A, wherein, and 8: dowel steel;
Fig. 2 C shows the partial enlarged view of C part among Fig. 2 A; And
Fig. 3 shows according to an appliance test process that illustrative embodiments is performed.
The specific embodiment
Quoted the accompanying drawing that constitutes this description part in the following detailed description.The mentioned exemplary embodiment of description and accompanying drawing is not intention restriction the application's protection domain only for being illustrative purpose.It will be understood by those skilled in the art that and also can adopt many other embodiments, and can make various changes to the description embodiment, and the purport and the protection domain that do not deviate from the application.Should be understood that can arrange, replace, make up, separate and design according to a lot of different configurations in this explanation and illustrated the application's various aspects, these different configurations be included among the application.
Fig. 1 shows the overview according to the dental appliance test set of the application's a illustrative examples.Dental appliance test set among the figure has an installing rack, is used for assembling tooth mould base plate 1 and force cell parts are installed.As shown in Figure 1, this installing rack comprises upper surface 2 and the lower surface 3 of squarely substantially, is supported by four support posts between described upper surface 2 and lower surface 3.Tooth mould installation base plate 1 shown in Figure 1 is designed to one and becomes plane plate substantially, and it is installed cushion blocks 4 by four and is assembled on the upper surface of described installing rack.In the sketch map of Fig. 1, a dental arch model 5 has been placed on described tooth mould and has installed on the base plate 1.The upper surface that base plate 1 is installed at the tooth mould can be formed with a plurality of pits or hole, so that the installation of dental arch model 5 location.In this illustrative embodiments, force cell parts (not shown in figure 1) is arranged between the upper surface 2 and lower surface 3 of installing rack.It will be understood by those skilled in the art that installing rack and/or the tooth mould installation base plate that also can adopt other configurations, so that each parts is assembled.For example, the tooth mould also can be set base plate and installing rack are installed, but keep relative position between tooth model and the force cell by other carriage (not shown).
As shown in Figure 1, this dental appliance test set also comprises a data processing equipment 6.This data processing equipment 6 can be the electronic equipment that has data storage function, and the mechanics parameter that is recorded by the force cell parts can be converted into the signal of telecommunication, is sent to this data processing equipment 6 by the wired or wireless mode that is coupled, and is stored therein.This data processing equipment 6 can be realized by the special use or the general purpose computer that possess analysis and processing capacity, according to the data value that records the performance of dental appliance is further analyzed processing, for example judge that whether rescue power reaches requirement, perhaps calculates the expected service life of appliance.Alternatively, this data processing equipment 6 can have the I/O operation-interface, for example keypad and/or display, and operator can control the dental appliance test set by this equipment, and read data intuitively.
Fig. 2 A shows the schematic side elevation of dental appliance test set shown in Figure 1.Shown in Fig. 2 A, be arranged between the upper surface and lower surface of installing rack as the six-dimension force sensor 1 of force cell parts, and supported by an analog bracket.
The present inventor notices that the performance indications of dental appliance can make up to limit by power and the moment on X, Y, three coordinate axess of Z in the cartesian coordinate system.Developed at present the multiple six-dimension force sensor that can measure 3 force components and three moment component simultaneously, it can pass through multiple principle such as resistance-strain type, piezoelectric type, optical profile type, condenser type, inductance type and realize.For example, for widely used resistance-strain type six-dimension force sensor, its basic functional principle is: under external force, elastomer structure generation deformation, the feasible foil gauge generation strain that is attached on the elastomer, thereby cause the variation of resistance value, through circuit resistance change is converted to the variation of voltage or electric current again.And in piezoelectric type hexa-dimensional force sensor, externally make piezoelectric produce electric charge under the stress, when external force changed, the electric charge of piezoelectric material surface changed thereupon, caused the variation of output voltage signal.Adopt six-dimension force sensor can measure active force and the rotating torque that dental appliance applies well in three-dimensional space, thereby human body physiological state is carried out artificial intelligence.
In addition, shown in Fig. 2 A, in this dental appliance test set, be provided with the dowel steel of a rigidity, as the power conducting parts.Tooth to be rescued in one end of described dowel steel and the dental arch model is fixedlyed connected, and the other end is connected to six-dimension force sensor 7, is used for appliance to be measured is applied to waiting that the power of rescuing tooth passes to six-dimension force sensor 7.
Fig. 2 B shows along the cutaway view of A-A line among Fig. 2 A.Shown in Fig. 2 B, dental appliance to be tested, the stealthy facing of for example being made by polymer of no bracket are worn on the dental arch model, and tooth to be rescued is fixed to the upper end of described dowel steel 8 in the dental arch model by the installing hole of its bottom.Thereby, can dental appliance be applied to by dowel steel 8 and rescue Stress Transfer to the six-dimension force sensor of below on the tooth to be rescued, to measure.
Fig. 2 C shows the partial enlarged view of C part among Fig. 2 A.Shown in Fig. 2 C, dental arch model is placed in denture and installs on the base plate, because cutting process, having formed width between tooth to be rescued and the adjacent teeth is the cutting slit of d.In order to make measurement more accurate, in the time of on dental arch model 5 being positioned at denture installation base plate 1, having inserted thickness between the tooth that cuts down and adjacent teeth is the joint sheet of d, and fixing again joint sheet being extracted afterwards makes that like this position in cutting slit is kept.When power is rescued in measurement, because the stress that dental appliance applies makes tooth to be rescued be moved or reverses, owing to the existence of gap d, this tooth can not bump, push with adjacent teeth, thereby has avoided certainty of measurement is impacted in its motor process.
By Fig. 3 the appliance test process performed according to the application's a illustrative embodiments described below.At first, for example can prepare dental arch model according to the initial dental phenomenon of patient before rescuing.This dental arch model can be obtained by stinging mould, perhaps also can be for example obtains the mathematical model of patient's denture, produces corresponding physics dental arch model again by oral cavity scanning.
According to this embodiment, certain tooth to be rescued intactly can be cut down from this dental arch model, and measure the width d in the cutting slit that produces.Subsequently, get out an installing hole in the tooth bottom that cuts down, by this installing hole this tooth is fixedlyed connected with dowel steel.
Dental arch model after the cutting is installed to the tooth mould with the tooth that cuts down according to original position to be installed on the base plate, wherein between this tooth and adjacent teeth, insert joint sheet, after installing and fixing, extract joint sheet, thereby between tooth to be rescued and adjacent teeth, reserve the spacing that is equivalent to cut gap width d (explanation of doing as reference Fig. 2 C).Can avoid like this when test this tooth and adjacent teeth between collision.
Then, dental appliance to be measured is worn on the dental arch model that fixes.For example, can obtain another dental arch model according to treatment plan through the dental phenomenon after the rescuing an of stage based on the patient, this dental arch model has represented the current state of patient's tooth, and the transparent facing of no bracket of producing dental appliance to be measured, for example being formed by polymer compacting by this dental arch model, its original state with respect to patient's tooth has the certain deviation amount.When being worn to the dental appliance of preparation thus on the dental arch model that represents patient's tooth original state, this dental appliance will apply the corresponding tooth in the dental arch model and rescue stress.
By the power conducting parts stress that dental appliance applies is transmitted to six-dimension force sensor, measures power and moment on three change in coordinate axis direction by six-dimension force sensor.Resulting mechanics parameter can be converted into the signal of telecommunication, is stored, shows and/or analyzed by other data processing equipment.For example, can assess the therapeutic effect that this dental appliance produces according to the sextuple mechanics parameter that records.
In order to calibrate, can produce another calibration appliance (not shown) according to former dental arch model in advance.Because the shape of this calibration appliance conforms to fully with original dental arch model, when being worn to it on dental arch model, should not can treating the tooth generation of rescuing and rescue stress.By the measurement of six-dimension force sensor to this calibration appliance, can calibrate sensor, for example with the reading zero clearing.
Alternatively, also the described dental appliance test set of the application can be inverted, at least a portion of appliance to be measured mounted thereto is immersed in the artificial saliva groove (not shown), thereby under the condition of fully simulating true oral environment, dental appliance is measured, and then analyzed its expected service life.
Although disclose the application's various aspects and embodiment at this, other aspects and embodiment also are apparent to those skilled in the art.Various aspects disclosed herein and embodiment only are used for illustration purpose, and unrestricted purpose.The application's protection domain and purport are only determined by the accompanying Claim book.
Claims (8)
1. dental appliance test set, it is characterized in that, it comprises the power conducting parts that can be coupled mutually with tooth to be rescued in the dental arch model and the force cell parts that are coupled mutually with described power conducting parts, when testing, dental appliance to be measured is worn on the tooth model, the power of rescuing that this dental appliance imposes on tooth to be rescued is transmitted to described force cell parts via described power conducting parts, by described force cell parts this parameter of rescuing power is measured.
2. dental appliance test set as claimed in claim 1 is characterized in that, comprises that also a tooth mould installs base plate, is used for when testing fixedly dental arch model.
3. dental appliance test set as claimed in claim 2 is characterized in that, also comprises an installing rack, and described tooth mould is installed base plate and described force cell parts are supported on this installing rack.
4. dental appliance test set as claimed in claim 1 is characterized in that, described force cell parts are six-dimension force sensors.
5. dental appliance test set as claimed in claim 1 is characterized in that, described power conducting parts is a dowel steel, and described dowel steel is fixing with it by the installing hole of tooth bottom described to be rescued.
6. dental appliance test set as claimed in claim 1 is characterized in that, also comprises data processing equipment, and the data that recorded by described force cell parts are admitted to this data processing equipment with for further analysis.
7. dental appliance test set as claimed in claim 6 is characterized in that, the data that recorded by described force cell parts are stored in described data processing equipment and/or shown.
8. dental appliance test set as claimed in claim 1 is characterized in that, also comprises an artificial saliva groove, with the simulation oral environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220690875 CN203226914U (en) | 2012-12-14 | 2012-12-14 | Testing device of tooth corrector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220690875 CN203226914U (en) | 2012-12-14 | 2012-12-14 | Testing device of tooth corrector |
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| CN203226914U true CN203226914U (en) | 2013-10-09 |
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| CN 201220690875 Expired - Lifetime CN203226914U (en) | 2012-12-14 | 2012-12-14 | Testing device of tooth corrector |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103860284A (en) * | 2012-12-14 | 2014-06-18 | 无锡时代天使医疗器械科技有限公司 | Dental appliance testing apparatus and method thereof |
| CN103961188A (en) * | 2014-03-25 | 2014-08-06 | 浙江工业大学 | Three-dimensional orthodontic treatment force measuring equipment |
| CN103961189A (en) * | 2014-05-16 | 2014-08-06 | 福州大学 | Real-time detection method of orthodontic force of bracket-free seamless appliance |
| CN104237013A (en) * | 2014-09-19 | 2014-12-24 | 中国人民解放军第四军医大学 | Load device and method for measuring stress of in vitro tooth |
| CN105078606A (en) * | 2014-05-07 | 2015-11-25 | 上海时代天使医疗器械有限公司 | Tooth received-force testing device and method |
| CN109692054A (en) * | 2017-10-23 | 2019-04-30 | 无锡时代天使医疗器械科技有限公司 | For connecting the connecting rod of tooth model and force snesor |
-
2012
- 2012-12-14 CN CN 201220690875 patent/CN203226914U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103860284A (en) * | 2012-12-14 | 2014-06-18 | 无锡时代天使医疗器械科技有限公司 | Dental appliance testing apparatus and method thereof |
| CN103860284B (en) * | 2012-12-14 | 2015-12-23 | 无锡时代天使医疗器械科技有限公司 | Dental appliance test set and method |
| CN103961188A (en) * | 2014-03-25 | 2014-08-06 | 浙江工业大学 | Three-dimensional orthodontic treatment force measuring equipment |
| CN105078606A (en) * | 2014-05-07 | 2015-11-25 | 上海时代天使医疗器械有限公司 | Tooth received-force testing device and method |
| CN105078606B (en) * | 2014-05-07 | 2018-09-07 | 上海时代天使医疗器械有限公司 | Tooth forces testing device and method |
| CN103961189A (en) * | 2014-05-16 | 2014-08-06 | 福州大学 | Real-time detection method of orthodontic force of bracket-free seamless appliance |
| CN103961189B (en) * | 2014-05-16 | 2015-08-12 | 福州大学 | A kind of without bracket seamless appliance Orthodontic force real-time detection method |
| CN104237013A (en) * | 2014-09-19 | 2014-12-24 | 中国人民解放军第四军医大学 | Load device and method for measuring stress of in vitro tooth |
| CN109692054A (en) * | 2017-10-23 | 2019-04-30 | 无锡时代天使医疗器械科技有限公司 | For connecting the connecting rod of tooth model and force snesor |
| CN109692054B (en) * | 2017-10-23 | 2021-05-25 | 无锡时代天使医疗器械科技有限公司 | Connecting rod for connecting tooth model and force sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131009 |