CN203089441U - Three-dimensional orthodontic force detection device - Google Patents
Three-dimensional orthodontic force detection device Download PDFInfo
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- CN203089441U CN203089441U CN 201220703028 CN201220703028U CN203089441U CN 203089441 U CN203089441 U CN 203089441U CN 201220703028 CN201220703028 CN 201220703028 CN 201220703028 U CN201220703028 U CN 201220703028U CN 203089441 U CN203089441 U CN 203089441U
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- guide rail
- notch
- checkout gear
- force
- tooth
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Abstract
The utility model discloses a three-dimensional orthodontic force detection device which comprises a force sensor, a measuring rod and a fixed rod, wherein one end of the measuring rod is fixedly connected with a to-be-detected dental cast; the other end of the measuring rod is connected with the upper end of the fixed rod; the lower end of the fixed rod is connected with the force sensor; the force sensor is mounted on a force sensor sliding seat; the force sensor sliding seat is arranged on a guide rail mechanism which is used for driving the force sensor to make far-away or close movement and arc movement taking the circle center of the dental cast as the circle center; and the guide rail mechanism is fixed on a base. The three-dimensional orthodontic force detection device can be used for direct measurement, can be conveniently applied clinically, and can be used for timely modifying an orthodontic scheme.
Description
Technical field
This utility model relates to the orthodontic force checkout gear of a kind of oral cavity fixed appliance.
Background technology
The oral cavity Fixed Orthodontics is at tooth arrangement deformity or grinds one's teeth and close that (tooth is combined into a word, down together), utilize the apparatus of rescuing of compositions such as arch wire, bracket, tooth is applied machinery rescue power and moment, adjust face skeleton, tooth and triangular balance of jaw facial muscle meat and coordination, after rescuing after a while improvement face type, come into line denture and improve masticatory efficiency.
In just abnormal, no matter edgewise appliance or straight wire appliance all are that the distortion by arch wire is implemented in sustained load on the tooth, realize moving of tooth.Therefore appliance offers the three-dimensional orthodontic force of tooth and moving process and the amount of movement that moment will determine tooth, and the accurate mobile on demand power and the moment that must know clearly abnormal correction system earlier and provided of tooth will be provided in the orthodontic treatment process.Exactly because many undesirable teeth move the understanding of orthodontic force and control unintelligible causing.It is excessive or not enough that incorrect power and moment can cause tooth to move, need adjust arch wire with afterburning or subtract power this moment according to practical situation, will greatly prolong the time of rescuing like this, may cause the absorption of periodontal tissue simultaneously, increase the risk of rescuing failure, bigger uncertainty occurs.
The problem that the measurement of orthodontic force at present exists: the at present domestic report that detects about orthodontic force is a kind of to be as the convert power of appliance of load-sensing unit with four springs, this method needs complicated the conversion, and can't obtain the suffered moment values of tooth, also can't carry out polydonita simultaneously and measure.Also having a kind of is to use based on the measuring device of force transducer to measure, claim and directly can be used for mouthful interior a measurement, but since need bracket with and tooth between insert to plug pad, be impossible realize in clinical practice uses, because existing orthodontic therapy apparatus all is to be dimensioned to standard-sized element according to human oral cavity, do not allow to insert unnecessary auxiliary, otherwise can influence patient and put on comfortableness and therapeutic effect behind the apparatus, and can increase clinician's workload greatly, can't obtain real enforcement; The mechanics data that what is more important is measured are to have worn the data behind the appliance, can't be used for the preceding orthodontic treatment design for scheme of clinical implementation, even the mechanics data of measuring are dissatisfied, also can't align abnormal therapeutic scheme and carry out basic modification.
Summary of the invention
For the conversion complexity of the metering system that overcomes existing orthodontic force, can't be applied to clinical, as can not to revise just abnormal scheme deficiency, this utility model provides a kind of direct measurement, it is clinical to be convenient to be applied to, and in time revise the three-dimensional orthodontic force checkout gear of just abnormal scheme.
The technical scheme that its technical problem that solves this utility model adopts is:
A kind of three-dimensional orthodontic force checkout gear, comprise force transducer, measuring stick and fixed bar, one end of described measuring stick is fixedlyed connected with tooth mould to be detected, the other end of described measuring stick is connected with the upper end of fixed bar, the lower end of described fixed bar is connected with described force transducer, described force transducer is installed on the force transducer sliding seat, described force transducer sliding seat with in order to the drive pick off away from or near moving and being that described guide rail mechanism is fixed on the base on the guide rail mechanism that moves of the circular arc in the center of circle with tooth mould center.
Further, described guide rail mechanism is an arc-shaped guide rail, and described arc-shaped guide rail is the center of circle with described tooth mould center.
Further again, described arc-shaped guide rail, line slideway are connected with base by hold-down screw, and described base is provided with the adjustment hole of installing for hold-down screw.
The lower end of described fixed bar is installed in rotation on the described force transducer.
First notch is opened in the upper end of described fixed bar, and the other end of described measuring stick has second notch, and set bolt passes described first notch and second notch respectively.
Described second notch is a straight trough, and described set bolt is sleeved in second notch slidably.
The beneficial effects of the utility model mainly show: simplify to convert, be convenient to be applied to clinical, and in time revise just abnormal scheme.
Description of drawings
Fig. 1 is the sketch map of three-dimensional orthodontic force checkout gear.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the A-A sketch map of Fig. 2.
Fig. 4 is the sketch map of tooth mould.
The specific embodiment
Below in conjunction with accompanying drawing this utility model is further described.
With reference to Fig. 1~Fig. 4, a kind of three-dimensional orthodontic force checkout gear, comprise force transducer 4, measuring stick 6 and fixed bar 5, one end of described measuring stick 6 is fixedlyed connected with tooth mould 8 to be detected, the other end of described measuring stick 6 is connected with the upper end of fixed bar 5, the lower end of described fixed bar 5 is connected with described force transducer 4, described force transducer 4 is installed on the force transducer sliding seat 3, described force transducer sliding seat 3 with in order to the drive pick off away from or near moving and being on the guide rail mechanism 2 that moves of the circular arc in the center of circle with tooth mould center, described guide rail mechanism 2 is fixed on the base 1, and is fixing by three set bolts 10.
Further, described guide rail mechanism 2 is an arc-shaped guide rail, and described arc-shaped guide rail is the center of circle with described tooth mould center.
Further again, described arc-shaped guide rail, line slideway are connected with base 1 by hold-down screw, and described base 1 is provided with the adjustment hole of installing for hold-down screw.
The lower end of described fixed bar 5 is installed in rotation on the described force transducer 4.
First notch is opened in the upper end of described fixed bar 5, and the other end of described measuring stick 6 has second notch, and set bolt passes described first notch and second notch respectively.
Described second notch is a straight trough, and described set bolt is sleeved in second notch slidably.
In the present embodiment, dope orthodontic therapy power and moment that orthodontic appliance offers three directions of patient's tooth, need be according to patient's self oral cavity data, the design therapeutic scheme, and make the model of this scheme, on model, measure and rescue power and moment really, under the support of some assisting navigation instruments, this scheme is transferred on the patient's tooth then.Therefore, the accurate orthodontic treatment of personalization needs the support of special orthodontic force checkout gear.
Force transducer 4 can slide on guide rail mechanism 2 by force transducer sliding seat 3, realizes that the power of different tooth position is measured.Position during structure by shown in the A-A cutaway view of Fig. 2 between sliding seat 3 and the guide rail mechanism 2 guarantees to slide, and with the position of two hold-down screw 9 bed knife sensings 4.
Be connected with fixed bar 5 on the force transducer 4, fixed bar 5 can rotate with taking measurement of an angle in the adjusting horizontal plane around axis own, and fixes with hold-down screw; Fixed bar 5 upper ends fluting is placed measuring stick 6, by the maintenance bolting, the interior end section of groove that measuring stick 6 is placed on fixed bar 5 has groove equally, can regulate the length that measuring stick 6 stretches out like this, can rotate around the maintenance bolt simultaneously, measuring stick is also scalable in the position of short transverse, and the other end of measuring stick 6 can be contacted with the tooth position that needs are measured easily.
In order to save measurement space, make the more tooth can be simultaneously measured, force transducer is selected the enough little microsensor of overall dimensions (as the Nano17 of U.S. ATI company) for use as far as possible, the maximum, force of its energy measurement is not less than 50N, maximum moment is not less than 0.5N.m, and measurement point is not less than 50 millimeters to the ultimate range of center sensor.Micro-force sensor provides matching interface and the interface function that is connected with computer, realizes demarcation, data show and the data preservation of computer interface to pick off with computer programming.
Be used for design and the making of the patient Ya Mo of orthodontic force measurement: making measurement tooth mould need be according to patient's CT data, carry out three-dimensional reconstruction, obtain every tooth (comprising root of the tooth), skeleton and pericemental threedimensional model, periodontal membrane can enlarge certain distance outward by root surface and obtain as carrying out Boolean calculation with skeleton model after 0.25 millimeter.Tooth position for the needs measurement, in the computer three-dimensional model, need earlier itself and alveolar bone on every side to be carried out initial gross separation, parting surface connects by 1-2 cylinder, when actual measurement when the tooth that separates the tooth position and alveolar bone with will be connected the cylinder cut-out again by cutting tool after measuring stick is fixing after separate, as shown in Figure 4.Patient's dental model three-dimensional model can be shaped out by Connex 500 series disposables of 3 D stereo PRN device such as Israel Objet company, this kind equipment can use soft material and hard material to print the soft or hard composite model simultaneously, makes the composite model once-forming of tooth, periodontal membrane and alveolar bone.
Carry out the process of power and torgue measurement with measurement device:
1. the tooth mould is fixed by bolts on the tooth mould base 7;
2. the dentist is according to patient CT data and three-dimensional reconstruction modelling therapeutic scheme, and on the tooth mould bonding bracket and fixing arch wire;
3. micro-force sensor is adjusted to suitable position and fixing, made measuring stick and the tooth that needs measurement and alveolar bone contacts and be adhesively fixed with powerful viscose glue;
4. will need to measure the tooth of tooth position and the connection cylinder on the alveolar bone and cut off the back separation, arch wire power is loaded on the tooth;
With the measurement interface on the computer with force sensor caliberating, make the power of measurement and moment be converted to tooth center automatically;
6. survey measurements obtains power and moment on the tooth;
7. measurement result is used to regulate the just abnormal scheme on the tooth mould, and final scheme is transferred to clinically by indirect bonding bracket.
Claims (6)
1. three-dimensional orthodontic force checkout gear, it is characterized in that: described checkout gear comprises force transducer, measuring stick and fixed bar, one end of described measuring stick is fixedlyed connected with tooth mould to be detected, the other end of described measuring stick is connected with the upper end of fixed bar, the lower end of described fixed bar is connected with described force transducer, described force transducer is installed on the force transducer sliding seat, described force transducer sliding seat with in order to the drive pick off away from or near moving and being that described guide rail mechanism is fixed on the base on the guide rail mechanism that moves of the circular arc in the center of circle with tooth mould center.
2. three-dimensional orthodontic force checkout gear as claimed in claim 1 is characterized in that: described guide rail mechanism is an arc-shaped guide rail, and described arc-shaped guide rail is the center of circle with described tooth mould center.
3. three-dimensional orthodontic force checkout gear as claimed in claim 2, it is characterized in that: described arc-shaped guide rail is connected with base by hold-down screw, and described base is provided with the adjustment hole of installing for hold-down screw.
4. as the described three-dimensional orthodontic force checkout gear of one of claim 1~3, it is characterized in that: the lower end of described fixed bar is installed in rotation on the described force transducer.
5. as the described three-dimensional orthodontic force checkout gear of one of claim 1~3, it is characterized in that: first notch is opened in the upper end of described fixed bar, and the other end of described measuring stick has second notch, and set bolt passes described first notch and second notch respectively.
6. three-dimensional orthodontic force checkout gear as claimed in claim 5 is characterized in that: described second notch is a straight trough, and described set bolt is sleeved in second notch slidably.
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CN 201220703028 CN203089441U (en) | 2012-12-18 | 2012-12-18 | Three-dimensional orthodontic force detection device |
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CN 201220703028 CN203089441U (en) | 2012-12-18 | 2012-12-18 | Three-dimensional orthodontic force detection device |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103040535A (en) * | 2012-12-18 | 2013-04-17 | 浙江工业大学 | Three-dimensional orthodontic force detecting device |
CN103961188A (en) * | 2014-03-25 | 2014-08-06 | 浙江工业大学 | Three-dimensional orthodontic treatment force measuring equipment |
CN108524045A (en) * | 2018-04-12 | 2018-09-14 | 哈尔滨理工大学 | A kind of open vertical loop correction force measuring device and its measurement method |
CN110186606A (en) * | 2019-06-28 | 2019-08-30 | 陕西科技大学 | A kind of orthodontic force measuring device and measuring method of dental appliance |
CN110623761A (en) * | 2019-10-21 | 2019-12-31 | 吉林大学 | Novel orthodontic force measuring method and device |
CN115006037A (en) * | 2022-06-10 | 2022-09-06 | 赵蔚萍 | Oral medical treatment is with novel orthodontic power of oral cavity resumes measurement test device |
-
2012
- 2012-12-18 CN CN 201220703028 patent/CN203089441U/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103040535A (en) * | 2012-12-18 | 2013-04-17 | 浙江工业大学 | Three-dimensional orthodontic force detecting device |
CN103040535B (en) * | 2012-12-18 | 2015-01-28 | 浙江工业大学 | Three-dimensional orthodontic force detecting device |
CN103961188A (en) * | 2014-03-25 | 2014-08-06 | 浙江工业大学 | Three-dimensional orthodontic treatment force measuring equipment |
CN108524045A (en) * | 2018-04-12 | 2018-09-14 | 哈尔滨理工大学 | A kind of open vertical loop correction force measuring device and its measurement method |
CN108524045B (en) * | 2018-04-12 | 2020-06-02 | 哈尔滨理工大学 | Device and method for measuring opening vertical bending orthodontic force |
CN110186606A (en) * | 2019-06-28 | 2019-08-30 | 陕西科技大学 | A kind of orthodontic force measuring device and measuring method of dental appliance |
CN110623761A (en) * | 2019-10-21 | 2019-12-31 | 吉林大学 | Novel orthodontic force measuring method and device |
CN115006037A (en) * | 2022-06-10 | 2022-09-06 | 赵蔚萍 | Oral medical treatment is with novel orthodontic power of oral cavity resumes measurement test device |
CN115006037B (en) * | 2022-06-10 | 2024-02-23 | 赵蔚萍 | Orthodontic force recovery measurement testing device for oral medical treatment |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20151218 |
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EXPY | Termination of patent right or utility model |