CN111110382A - Vibration feedback implanted tooth mobility detection device - Google Patents
Vibration feedback implanted tooth mobility detection device Download PDFInfo
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- CN111110382A CN111110382A CN202010170176.7A CN202010170176A CN111110382A CN 111110382 A CN111110382 A CN 111110382A CN 202010170176 A CN202010170176 A CN 202010170176A CN 111110382 A CN111110382 A CN 111110382A
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- vibration
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- detecting
- vibration feedback
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- General Health & Medical Sciences (AREA)
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- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
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- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention relates to a device for detecting the mobility of an implanted tooth by vibration feedback. The device comprises a measuring base station, an acceleration sensor, a vibration conditioner, a data acquisition unit and a main controller; a measuring rod is arranged at the bottom of the acceleration sensor, the measuring rod penetrates through the measuring base platform from top to bottom, and the acceleration sensor is fixed on the measuring base platform; the acceleration sensor acquires an acceleration signal along with the vibration of the measuring rod and sends the acceleration signal to the vibration conditioner; the vibration conditioner conditions the acceleration signal to form a vibration signal, and then sends the vibration signal to the data acquisition unit, and the data acquisition unit acquires data and then sends the data to the main controller.
Description
Technical Field
The invention relates to an implanted tooth mobility detection device, and particularly discloses a vibration feedback implanted tooth mobility detection device.
Background
In clinical work in dentistry, dental implants are increasingly used for the loss of teeth in the oral cavity due to their powerful restorative and technical maturity properties. Meanwhile, because the oral cavity condition of a patient is different from the individual use, the price of the single dental implant is high, the service life and the daily maintenance of the implant become more and more important, and therefore, if the attenuation of the tooth mobility can be found in an early stage, the use experience and the service life of the implant are certainly improved.
The existing method for measuring the mobility of the tooth mainly comprises image scanning judgment by an X-ray machine, has single detection means, static inspection and low precision, and is lack of finding out the looseness of the implanted tooth from the angle of vibration rigidity.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the implanted tooth mobility detection device which realizes vibration feedback with low cost, convenient and quick use and stable control through the detection of tooth vibration rigidity.
The invention is realized by the following steps: a vibration feedback implanted tooth mobility detection device comprises a measuring base station, an acceleration sensor, a vibration conditioner, a data collector and a main controller; a measuring rod is arranged at the bottom of the acceleration sensor, the measuring rod penetrates through the measuring base platform from top to bottom, and the acceleration sensor is fixed on the measuring base platform;
the acceleration sensor acquires an acceleration signal along with the vibration of the measuring rod and sends the acceleration signal to the vibration conditioner; the vibration conditioner conditions the acceleration signal to form a vibration signal, and then sends the vibration signal to the data acquisition unit, and the data acquisition unit acquires data and then sends the data to the main controller.
The front part of the measuring base station is provided with a sliding groove or a waist hole, the measuring rod is positioned in the sliding groove or the waist hole, and the measuring rod is fixed in the sliding groove or the waist hole through a fastening nut.
And a handle is arranged at the tail part of the measuring base station.
And a positioning baffle is arranged below the measuring base station and is positioned at the lower rear part of the measuring rod.
The lower end of the positioning baffle is bent towards the back upper side and then is directly or indirectly connected with the tail end of the measuring base station.
The side of handle is horizontal "U" style of calligraphy, the upper end of handle with measure the base station and link to each other.
The data acquisition unit is a data acquisition board card, and the acquisition frequency is 0.1 hz-100000 hz.
The range of the acceleration sensor is 0-5000g, and the frequency response is 0.6-10000 hz.
The length of the sliding groove or the waist hole is 11.25 mm-20 mm.
The measuring base platform is a stainless steel plate base platform.
The invention has the beneficial effects that: the measuring rod is connected with the measuring base platform, the measuring base platform has positioning and fixing effects on the measuring rod, and meanwhile, the vibration of the measuring rod is always kept in the vertical direction, so that the vibration data obtained by the acceleration sensor can be more accurate; through fixed acceleration sensor on the measurement base station, with the central zone of measuring stick contact patient oral cavity implant dental crown to press the measurement base station through pressing and loosening, along with the vibration acceleration sensor of measuring stick obtains vibration signal, and vibration signal passes through vibration conditioner, data collection station further send to main control unit, main control unit obtains the tooth mobility data through the contrastive analysis to vibration signal many times, and the early inefficacy of implant is known to the help in time main treating doctor. The invention has the advantages of low manufacturing cost, convenient maintenance, quick implementation and stable control.
Drawings
FIG. 1 is a schematic view of a measurement base according to the present invention.
FIG. 2 is a schematic structural diagram of a measurement base and an acceleration sensor according to the present invention.
Fig. 3 is a block diagram of the present invention.
Fig. 4 is a frequency domain diagram of the time domain signal of the acceleration of the initial implant of the patient converted in the application example of the present invention.
Fig. 5 is a frequency domain graph of the acceleration time domain signal of the patient using the damaged implant according to the embodiment of the present invention.
Wherein: 1. measuring the base station; 2. an acceleration sensor; 3. a vibration conditioner; 4. a data acquisition unit; 5. a main controller; 6. a measuring rod; 7. a waist hole; 8. fastening a nut; 9. a handle; 10. and positioning the baffle.
Detailed Description
According to fig. 1, 2 and 3, the invention comprises a measuring base station 1, an acceleration sensor 2, a vibration conditioner 3, a data collector 4 and a main controller 5.
The bottom of the acceleration sensor 2 is provided with a measuring rod 6, the front part of the measuring base platform 1 is provided with a sliding groove or a waist hole 7, and the length of the sliding groove or the waist hole 7 is 11.25 mm-20 mm, preferably 11.25 mm. The measuring rod 6 penetrates through a sliding groove or a waist hole 7 of the measuring base platform 1 from top to bottom, the measuring rod 6 is located in the sliding groove or the waist hole 7 and can slide along the sliding groove or the waist hole 7 to change the position of the measuring rod 6 on the measuring base platform 1, the relative position of the measuring rod can be adjusted conveniently according to different implanted teeth, and the measuring rod 6 is fixed in the sliding groove or the waist hole 7 through a fastening nut 8. The acceleration sensor 2 is fixed on the measurement base 1.
And a handle 9 is arranged at the tail part of the measuring base station 1. The side surface of the handle 9 is in a transverse U shape, and the upper end of the handle 9 is connected with the measuring base platform 1. A positioning baffle 10 is arranged below the measuring base platform 1, and the positioning baffle 10 is positioned below and behind the measuring rod 6. The lower end of the positioning baffle 10 is bent back and up and then is directly or indirectly connected to the tail end of the measuring base station 1, and in a preferred embodiment, as shown in fig. 1 and 2, the lower end of the positioning baffle 10 is bent back and up and then is connected to the lower end of the handle 9, so as to form an indirect connection with the measuring base station 1. The measuring base 1, the handle 9 and the positioning baffle 10 are preferably of an integral structure formed by bending stainless steel plates, and the stainless steel plate structure enables the measuring base 1 to be more stable and reliable when the measuring rod 6 is driven to vibrate.
The acceleration sensor 2 acquires an acceleration signal along with the vibration of the measuring rod 6 and sends the acceleration signal to the vibration conditioner 3 for conditioning to form a vibration signal; the vibration conditioner 3 sends the vibration signal to the data acquisition unit 4, and the data acquisition unit 4 sends the data to the main controller 5 after acquiring the data.
The data acquisition unit is preferably a data acquisition board card, the acquisition frequency is 0.1 hz-100000 hz, and the data acquisition board card with the model of NI 6013, which is produced by American national instruments and meters can be adopted.
The acceleration sensor 2 has the measuring range of 0-5000g and the frequency response of 0.6-10000hz, and can adopt an acceleration sensor with the model of 3220M27, which is produced by Dytran company in America.
The vibration conditioner 3 may be a signal conditioner model 4110c manufactured by Dytran corporation, usa.
The main controller 5 can operate a 64-bit operating system PC host by adopting Intel core i5 dominant frequency 1.7Ghz, memory 4GB and windows 7.
When the dental implant is used, the positioning baffle 10 is used for reaching the side area of the dental implant to realize positioning, and the position of the measuring rod 6 on the measuring base 1 is adjusted according to the position of the dental implant, so that the measuring rod 6 at the bottom of the acceleration sensor 2 is positioned in the central area of the dental crown of the implant in the oral cavity of a patient. The contact force is produced to the handle 9 of the back side of the repeated light touch measuring base station 1, and the measuring rod 6 vibrates up and down under the action of the contact force, so that the acceleration sensor 2 obtains the vibration acceleration signal of the vertical direction of the implanted tooth of the patient, and sends the acceleration signal to the vibration conditioner 3 through a signal cable or a wireless transmission module, and the signal demodulation and the filtering are carried out through the vibration conditioner 3, so that the data acquisition device 4 is transmitted, the acquisition frequency can adopt 10000hz, the data acquisition device 4 converts the acquired signal into a digital protocol signal, and finally the acquired data are sent to the main controller 5 in a digital protocol signal mode to be stored, analyzed and compared. The data of the tooth mobility are obtained by analyzing and comparing the data at different time of the initial tooth implantation and the data after the tooth implantation. In practical applications, the main controller 5 can analyze the data by using existing data analysis software, such as by using software based on classical fourier transform calculation to form a frequency domain graph, and determine the tooth loosening through the change of the first-order natural frequency of the frequency domain. Therefore, the doctor can conveniently judge the frequency under which the acceleration energy is concentrated, and the patient can judge the tooth looseness by the change of the concentrated frequency of the teeth after long-time use.
The invention aims to combine the existing data transmission and analysis module and apply the data to the dental mobility measuring base station of the dental implant to obtain the dental mobility data of the dental implant, thereby helping a main doctor to know the early-stage failure degree of the implant and solving the problem of accuracy in manual judgment of the dental mobility. Meanwhile, the invention has the advantages of convenient use, low cost, convenient maintenance, quick implementation and stable control.
Application example:
an example of a change in stiffness is measured for a dental implant of a patient.
Referring to fig. 4 and 5, fig. 4 is a frequency domain graph of a male patient aged about 26 years after the acceleration time domain signal of the initial dental implant is transformed, from which it can be seen that the energy distribution is relatively smooth, the acceleration peak is small, and no obvious peak exists. FIG. 5 is a frequency domain plot of the detected signals after the dental implant of the patient has been damaged, and about 50hz, the peak acceleration value of 0.04 m/s is observed, which indicates that the stiffness has changed significantly, the dental implant is loose and needs to be treated.
Claims (10)
1. The utility model provides a vibration feedback's planting tooth mobility detection device which characterized in that: the device comprises a measuring base station, an acceleration sensor, a vibration conditioner, a data acquisition unit and a main controller; a measuring rod is arranged at the bottom of the acceleration sensor, the measuring rod penetrates through the measuring base platform from top to bottom, and the acceleration sensor is fixed on the measuring base platform;
the acceleration sensor acquires an acceleration signal along with the vibration of the measuring rod and sends the acceleration signal to the vibration conditioner; the vibration conditioner conditions the acceleration signal to form a vibration signal, and then sends the vibration signal to the data acquisition unit, and the data acquisition unit acquires data and then sends the data to the main controller.
2. The device for detecting the implanted tooth mobility through vibration feedback according to claim 1, wherein: the front part of the measuring base station is provided with a sliding groove or a waist hole, the measuring rod is positioned in the sliding groove or the waist hole, and the measuring rod is fixed in the sliding groove or the waist hole through a fastening nut.
3. The device for detecting the implanted odontoseisis through vibration feedback according to claim 1, which is characterized in that: and a handle is arranged at the tail part of the measuring base station.
4. The device for detecting the implanted odontoseisis through vibration feedback according to claim 1, which is characterized in that: and a positioning baffle is arranged below the measuring base station and is positioned at the lower rear part of the measuring rod.
5. The device for detecting the implanted odontoseisis through vibration feedback according to claim 1, which is characterized in that: the lower end of the positioning baffle is bent towards the back upper side and then is directly or indirectly connected with the tail end of the measuring base station.
6. The device for detecting the mobility of the implanted tooth with vibration feedback according to claim 3, wherein: the side of handle is horizontal "U" style of calligraphy, the upper end of handle with measure the base station and link to each other.
7. The device for detecting the implanted odontoseisis through vibration feedback according to claim 1, which is characterized in that: the data acquisition unit is a data acquisition board card, and the acquisition frequency is 0.1 hz-100000 hz.
8. The device for detecting the implanted odontoseisis through vibration feedback according to claim 1, which is characterized in that: the range of the acceleration sensor is 0-5000g, and the frequency response is 0.6-10000 hz.
9. The device for detecting the implanted odontoseisis through vibration feedback according to claim 2, which is characterized in that: the length of the sliding groove or the waist hole is 11.25 mm-20 mm.
10. The device for detecting the implanted odontoseisis through vibration feedback according to claim 1, which is characterized in that: the measuring base platform is a stainless steel plate base platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010170176.7A CN111110382A (en) | 2020-03-12 | 2020-03-12 | Vibration feedback implanted tooth mobility detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010170176.7A CN111110382A (en) | 2020-03-12 | 2020-03-12 | Vibration feedback implanted tooth mobility detection device |
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| Publication Number | Publication Date |
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| CN111110382A true CN111110382A (en) | 2020-05-08 |
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| CN202010170176.7A Pending CN111110382A (en) | 2020-03-12 | 2020-03-12 | Vibration feedback implanted tooth mobility detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022205609A1 (en) * | 2021-03-29 | 2022-10-06 | 华南理工大学 | System and method for monitoring loosening of repair screw for dental implant |
-
2020
- 2020-03-12 CN CN202010170176.7A patent/CN111110382A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022205609A1 (en) * | 2021-03-29 | 2022-10-06 | 华南理工大学 | System and method for monitoring loosening of repair screw for dental implant |
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