CN107966421A - A kind of dental hard tissue's imaging method realized using 780 nm near infrared diodes laser - Google Patents
A kind of dental hard tissue's imaging method realized using 780 nm near infrared diodes laser Download PDFInfo
- Publication number
- CN107966421A CN107966421A CN201711185463.XA CN201711185463A CN107966421A CN 107966421 A CN107966421 A CN 107966421A CN 201711185463 A CN201711185463 A CN 201711185463A CN 107966421 A CN107966421 A CN 107966421A
- Authority
- CN
- China
- Prior art keywords
- near infrared
- hard tissue
- dental hard
- imaging
- imaging device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N2021/4735—Solid samples, e.g. paper, glass
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Endoscopes (AREA)
Abstract
A kind of dental hard tissue's imaging method realized using 780nm near infrared diodes laser, the present invention relates to a kind of dental hard tissue's imaging method realized using 780nm near infrared diodes laser.The purpose of the present invention is to solve x-ray observation hard tooth tissue can not real-time display and imaging results it is overlapping easily formed interference the problem of, the method for the present invention, is imaged tooth body using infreared imaging device；780nm near infrared diode laser tubes are placed in the both sides of tooth, on the Infrared irradiation sent to tooth body, the scattering light of formation is imaged onto optical sensor by optical imaging device, and picture signal is delivered to display system by optical sensor.The present invention is irradiated inside it using 780nm near infrared diode laser penetration dental hard tissues surface, then the fast imaging of dental hard tissue is realized with optical imaging device and optical sensor, and image is non-overlapping, and imaging effect is good.The present invention is applied to dental imaging field.
Description
Technical field
The present invention relates to a kind of dental hard tissue's imaging method realized using 780nm near infrared diodes laser.
Background technology
In tooth teaching, research work, it is often necessary to observe structure and the change of hard tooth tissue, such as phosphorylation shell
Quick remineralization research of dental hard tissue of glycan-collagen polymer guiding etc., or the performance of verification dental material is carried out, it is such as raw
Application of the thing mineralising in dental hard tissue repairs, compound resin is to adhesive property of dental hard tissue etc..Therefore needs pair
Hard tooth tissue is imaged, and is optimal, existing sight using energy Real Time Observation saving imaging cost and due to the time
The method for examining hard tooth tissue is mainly x-ray, however x-ray can not real-time display, can only be presented in the form of two-dimensional projection, image
As a result it is overlapping easily to form interference, influence to observe；And dental x-ray unit has radiation.Therefore, development is a kind of radiationless, easy, quick
Dental hard tissue's imaging method there is important practical value.
The content of the invention
Can not real-time display and the overlapping appearance of imaging results the purpose of the present invention is to solve x-ray observation hard tooth tissue
A kind of the problem of easily forming interference, there is provided dental hard tissue's imaging method realized using 780nm near infrared diodes laser.
A kind of dental hard tissue's imaging method realized using 780nm near infrared diodes laser of the present invention, use are infrared
Imaging device is imaged tooth body；Its specific method is：780nm near infrared diode laser tubes are placed in the both sides of tooth,
For the Infrared irradiation that 780nm near infrared diode laser tubes are sent on tooth body, the scattering light of formation passes through optical imaging device
Optical sensor is imaged onto, picture signal is delivered to display system by optical sensor, that is, completes dental hard tissue's imaging.
The beneficial effects of the invention are as follows：Dental hard tissue includes enamel, dentine, cementum, its main inorganic composition
It is hydroxyapatite.According to Rayleigh's law of scattering, the biquadratic of scattered light intensity and wavelength is inversely proportional；And optical resolution but
It is in inverse ratio with wavelength.Visible wavelength is shorter (400nm-700nm), serious in dental hard tissue's surface scattering, it is difficult to inside
Dental hard tissue is imaged.The laser wavelength range (780 ± 10nm) of commercial 780nm diode lasers is in 1st area of near-infrared
(NIR1：700nm-900nm), relative to the shorter visible light wave range of wavelength, its radiation wavelength is longer, can penetrate hard group of tooth body
Surface is knitted to its internal irradiation；Relative in longer wavelengths of, far infrared band, its wavelength is shorter, has the resolution essence of higher
Degree, is able to observe that the defects of trickleer.Moreover, commercial optical imaging device directly can irradiate 780nm diode lasers
As a result it is imaged, the direct imaging of dental hard tissue can be only realized by the use of a laser as light source, in avoids, far red
It is outer to be imaged the trouble for needing the secondary reconstruct of image, improve the practicality and universality of the method for the present invention：It is simple in structure, reliability
By force, it is easily integrated and minimizes, is that a kind of tooth body that simple optical imaging system and optical sensor can be utilized to realize is hard
Organize fast imaging.Meanwhile method of the invention avoided in, far infrared band detection signal-to-noise ratio is poor, need introduce modulatedemodulate
Conditioning technology etc. improves the complexity of the detection technique of signal-to-noise ratio.Therefore, it is hard using 780nm diode lasers to penetrate tooth body by the present invention
Tissue surface is irradiated inside it, and the fast short-term training of dental hard tissue can be realized using optical imaging device and optical sensor
Picture, and radiationless, the present invention can real time imagery, it is and easy to operate.
Brief description of the drawings
Fig. 1 is the structure diagram of 1 dental hard tissue's infreared imaging device of embodiment；
Fig. 2 is the structure diagram of 2 dental hard tissue's infreared imaging device of embodiment；
Fig. 3 is the method schematic diagram that embodiment 1 is imaged tooth body using infreared imaging device；Wherein 1 it is tooth body, 2 is red
Outer light source, 3 be optical imaging system, 4 be optical sensor, 5 be display system；
Fig. 4 is the photo that embodiment 1 is imaged in vitro tooth hard tissue；
Fig. 5 is 780nm near infrared diode laser output wavelength spectrograms.
Embodiment
Technical solution of the present invention is not limited to the embodiment of act set forth below, further include each embodiment it
Between any combination.
Embodiment one：A kind of hard group of tooth body realized using 780nm near infrared diodes laser of present embodiment
Imaging method is knitted, tooth body is imaged using infreared imaging device；Its specific method is：780nm near infrared diodes are swashed
Light pipe is placed in the both sides of tooth, on the Infrared irradiation that 780nm near infrared diode laser tubes are sent to tooth body, the scattering of formation
Light is imaged onto optical sensor by optical imaging device, and picture signal is delivered to display system, that is, completed by optical sensor
Dental hard tissue is imaged.
The beneficial effect of present embodiment is：Dental hard tissue includes enamel, dentine, cementum, its host inorganic
Component is hydroxyapatite.According to Rayleigh's law of scattering, the biquadratic of scattered light intensity and wavelength is inversely proportional；And optical resolution
But it is in inverse ratio with wavelength.Visible wavelength is shorter (400nm-700nm), serious in dental hard tissue's surface scattering, it is difficult to pair
Internal dental hard tissue is imaged.The laser wavelength range (780 ± 10nm) of commercial 780nm diode lasers is in near-infrared
1 area (NIR1：700nm-900nm), relative to the shorter visible light wave range of wavelength, its radiation wavelength is longer, can penetrate tooth body
Hard tissue surface is to its internal irradiation；Relative in longer wavelengths of, far infrared band, its wavelength is shorter, has point of higher
Distinguish precision, be able to observe that the defects of trickleer.Moreover, commercial optical imaging device can be directly to 780nm diode lasers
Irradiation result is imaged, and the direct imaging of dental hard tissue can be only realized by the use of a laser as light source, in avoiding,
Far infrared imagery needs the trouble of the secondary reconstruct of image, improves the practicality and universality of present embodiment：It is simple in structure, can
It is strong by property, it is easily integrated and minimizes, is a kind of tooth that simple optical imaging system and optical sensor can be utilized to realize
Body sclerous tissues fast imaging.Meanwhile the method for present embodiment avoided in, far infrared band detection signal-to-noise ratio is poor, needs draw
Enter the complexity that modulation-demodulation technique etc. improves the detection technique of signal-to-noise ratio.Therefore, present embodiment is swashed using 780nm diodes
Light penetrates dental hard tissue surface and irradiates inside it, and hard group of tooth body can be realized using optical imaging device and optical sensor
The fast imaging knitted, and radiationless, present embodiment can real time imagery, it is and easy to operate.
Embodiment two：The present embodiment is different from the first embodiment in that：Infreared imaging device includes adjusting
Save frame 1,780nm near infrared diodes laser tube 2, strut 3, optical imaging device 5, optical sensor 4 and observation window 9；Wherein
The adjusting bracket 1 is connected by strut 3 with optical sensor 4, and imaging device 5 is equipped with strut 3；The frame frame patch of adjusting bracket 1
The side of nearly tooth is embedded with observation window 9, and observation window 9 is connected by optical fiber 8 with 780nm near infrared diodes laser tube 2.Other with
Embodiment one is identical.
A side frame frame of adjusting bracket 1 is fixed with strut 3 in present embodiment, and another side frame frame is not fixed with strut 3.
Embodiment three：The present embodiment is different from the first and the second embodiment in that：Infreared imaging device bag
Include adjusting bracket 1,780nm near-infrared lasers diode 2, strut 3, imaging device 5 and optical sensor 4；The wherein described adjusting
Frame 1 is connected by strut 3 with optical sensor 4, and imaging device 5 is equipped with strut 3；The side frames frame of adjusting bracket 1 is embedded with
780nm near-infrared lasers diode 2, and expose 780nm near-infrared lasers diode 2 in the side of frame frame close to tooth, other
It is the same as one or two specific embodiments.
A side frame frame of adjusting bracket 1 is fixed with strut 3 in present embodiment, and another side frame frame is not fixed with strut 3.
Embodiment four：Unlike one of present embodiment and embodiment one to three：Adjusting bracket 1 passes through
7 adjustment width of spring 6 and bolt, other are identical with one of embodiment one to three.
Embodiment five：Unlike one of present embodiment and embodiment one to four：Optical imagery fills
It is ir reflector and convex lens to put 5, other are identical with one of embodiment one to four.
Embodiment six：Unlike one of present embodiment and embodiment one to five：Optical sensor 4
Signal output part and external display system input terminal connect, other are identical with one of embodiment one to five.
Embodiment seven：Unlike one of present embodiment and embodiment one to six：Strut 3 is with adjusting
The angle of frame 1 is 30~60 °, other are identical with one of embodiment one to six.
Embodiment eight：Unlike one of present embodiment and embodiment one to seven：Optical sensor 4
For ccd image sensor, other are identical with one of embodiment one to seven.
Beneficial effects of the present invention are verified using following embodiments：
Embodiment one：A kind of dental hard tissue's imaging method realized using 780nm near infrared diodes laser, use are red
Outer imaging device is imaged tooth body；Its specific method is：780nm near infrared diode laser tubes are placed in the two of tooth
Side, on the Infrared irradiation that 780nm near infrared diode laser tubes are sent to tooth body, the scattering light of formation is filled by optical imagery
Put and be imaged onto optical sensor, picture signal is delivered to display system by optical sensor, that is, completes dental hard tissue's imaging.
The present embodiment infreared imaging device as shown in Figure 1, it include adjusting bracket 1,780nm near infrared diodes laser tube 2,
Strut 3, optical imaging device 5, optical sensor 4 and observation window 9；The wherein described adjusting bracket 1 passes through strut 3 and optical sensing
Device 4 connects, and imaging device 5 is equipped with strut 3；The frame frame of adjusting bracket 1 is embedded with observation window 9 close to the side of tooth, and observation window 9 is logical
Optical fiber 8 is crossed to be connected with 780nm near infrared diodes laser tube 2.
The present embodiment optical sensor 4 is ccd image sensor.
The method schematic diagram being imaged using infreared imaging device to tooth body is as shown in Figure 3.To the imaging of in vitro tooth hard tissue
Photo is as shown in figure 4, as shown in Figure 4, the method for the present embodiment can realize the fast imaging of dental hard tissue, and image is without weight
Folded, imaging effect is good.
Fig. 5 is 780nm near infrared diode laser output wavelength spectrograms.
The present embodiment penetrates dental hard tissue surface using 780nm diode lasers and irradiates inside it, recycle optics into
As device and optical sensor can realize the fast imaging of dental hard tissue, the laser wave of commercial 780nm diode lasers
Long scope (780 ± 10nm) is in 1 area (NIR1 of near-infrared：700nm-900nm), relative to the shorter visible light wave range of wavelength,
Its radiation wavelength is longer, can penetrate dental hard tissue surface to its internal irradiation；Relative in longer wavelengths of, far infrared wave
Section, its wavelength is shorter, has the resolving accuracy of higher, is able to observe that the defects of trickleer or lesion.Moreover, commercial optical
Imaging device directly can be imaged 780nm diode lasers irradiation result, only can as light source by the use of a laser
Realize the direct imaging of dental hard tissue, in avoiding, far infrared imagery need the trouble of the secondary reconstruct of image, improve method
Practicality and universality：It is simple in structure, it is highly reliable, it is easily integrated and minimizes, is that one kind can utilize simple optics
Dental hard tissue's fast imaging that imaging system and optical sensor are realized.The present embodiment is non-overlapping using image, imaging effect
It is good and radiationless, the present embodiment can real time imagery, it is and easy to operate.
Embodiment two：A kind of dental hard tissue's imaging method realized using 780nm near infrared diodes laser, use are red
Outer imaging device is imaged tooth body；Its specific method is：780nm near infrared diode laser tubes are placed in the two of tooth
Side, on the Infrared irradiation that 780nm near infrared diode laser tubes are sent to tooth body, the scattering light of formation is filled by optical imagery
Put and be imaged onto optical sensor, picture signal is delivered to display system by optical sensor, that is, completes dental hard tissue's imaging.
The present embodiment infreared imaging device is as shown in Fig. 2, it includes adjusting bracket 1,780nm near-infrared lasers diode 2, branch
Bar 3, imaging device 5 and optical sensor 4；The wherein described adjusting bracket 1 is connected by strut 3 with optical sensor 4, strut 3
It is interior to be equipped with imaging device 5；The side frames frame of adjusting bracket 1 is embedded with 780nm near-infrared lasers diode 2, and in frame frame close to tooth
Expose 780nm near-infrared lasers diode 2 in the side of tooth.
The present embodiment optical sensor 4 is ccd image sensor.
The method of the present embodiment can realize the fast imaging of dental hard tissue, and image is non-overlapping, and imaging effect is good.
The present embodiment penetrates dental hard tissue surface using 780nm diode lasers and irradiates inside it, recycle optics into
As device and optical sensor can realize the fast imaging of dental hard tissue, the laser wave of commercial 780nm diode lasers
Long scope (780 ± 10nm) is in 1 area (NIR1 of near-infrared：700nm-900nm), relative to the shorter visible light wave range of wavelength,
Its radiation wavelength is longer, can penetrate dental hard tissue surface to its internal irradiation；Relative in longer wavelengths of, far infrared wave
Section, its wavelength is shorter, has the resolving accuracy of higher, is able to observe that the defects of trickleer or lesion.Moreover, commercial optical
Imaging device directly can be imaged 780nm diode lasers irradiation result, only can as light source by the use of a laser
Realize the direct imaging of dental hard tissue, in avoiding, far infrared imagery need the trouble of the secondary reconstruct of image, improve method
Practicality and universality：It is simple in structure, it is highly reliable, it is easily integrated and minimizes, is that one kind can utilize simple optics
Dental hard tissue's fast imaging that imaging system and optical sensor are realized.The present embodiment is non-overlapping using image, imaging effect
It is good and radiationless, the present embodiment can real time imagery, it is and easy to operate.
Claims (8)
- A kind of 1. dental hard tissue's imaging method realized using 780nm near infrared diodes laser, it is characterised in that this method Tooth body is imaged using infreared imaging device；Its specific method is：780nm near infrared diode laser tubes are placed in tooth Both sides, on the Infrared irradiation that 780nm near infrared diode laser tubes are sent to tooth body, the scattering light of formation by optics into As device is imaged onto optical sensor, picture signal is delivered to display system by optical sensor, that is, complete dental hard tissue into Picture.
- A kind of 2. dental hard tissue imaging side realized using 780nm near infrared diodes laser according to claim 1 Method, it is characterised in that infreared imaging device includes adjusting bracket (1), 780nm near infrared diodes laser tube (2), strut (3), light Learn imaging device (5), optical sensor (4) and observation window (9)；The wherein described adjusting bracket (1) is passed by strut (3) and optics Sensor (4) connects, and imaging device (5) is equipped with strut (3)；The frame frame of adjusting bracket (1) is embedded with observation window close to the side of tooth (9), observation window (9) is connected by optical fiber (8) with 780nm near infrared diodes laser tube (2).
- A kind of 3. dental hard tissue imaging side realized using 780nm near infrared diodes laser according to claim 1 Method, it is characterised in that infreared imaging device includes adjusting bracket (1), 780nm near-infrared lasers diode (2), strut (3), imaging Device (5) and optical sensor (4)；The wherein described adjusting bracket (1) is connected by strut (3) with optical sensor (4), strut (3) imaging device (5) is equipped with；The side frames frame of adjusting bracket (1) is embedded with 780nm near-infrared lasers diode (2), and in frame Expose 780nm near-infrared lasers diode (2) in the side of frame close to tooth.
- 4. a kind of dental hard tissue realized using 780nm near infrared diodes laser according to Claims 2 or 3 is imaged Method, it is characterised in that adjusting bracket (1) passes through spring (6) and bolt (7) adjustment width.
- 5. a kind of dental hard tissue realized using 780nm near infrared diodes laser according to Claims 2 or 3 is imaged Method, it is characterised in that optical imaging device (5) is ir reflector and convex lens.
- 6. a kind of dental hard tissue realized using 780nm near infrared diodes laser according to Claims 2 or 3 is imaged Method, it is characterised in that the signal output part of optical sensor (4) and the input terminal of external display system connect.
- 7. a kind of dental hard tissue realized using 780nm near infrared diodes laser according to Claims 2 or 3 is imaged Method, it is characterised in that the angle of strut (3) and adjusting bracket (1) is 30~60 °.
- A kind of 8. dental hard tissue imaging side realized using 780nm near infrared diodes laser according to claim 1 Method, it is characterised in that optical sensor (4) is ccd image sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711185463.XA CN107966421A (en) | 2017-11-23 | 2017-11-23 | A kind of dental hard tissue's imaging method realized using 780 nm near infrared diodes laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711185463.XA CN107966421A (en) | 2017-11-23 | 2017-11-23 | A kind of dental hard tissue's imaging method realized using 780 nm near infrared diodes laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107966421A true CN107966421A (en) | 2018-04-27 |
Family
ID=62000510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711185463.XA Pending CN107966421A (en) | 2017-11-23 | 2017-11-23 | A kind of dental hard tissue's imaging method realized using 780 nm near infrared diodes laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107966421A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998052460A1 (en) * | 1997-05-23 | 1998-11-26 | Medical Laser Technologies Limited | Non-invasive diagnostic method and apparatus |
| US20040236232A1 (en) * | 2001-06-01 | 2004-11-25 | Centre National De La Recherche Scientifique | Method and apparatus for acquiring and processing images of a tooth |
| CN101365397A (en) * | 2005-12-08 | 2009-02-11 | 彼得·S·乐芙莉 | Infrared dental imaging |
| CN101617934A (en) * | 2008-01-11 | 2010-01-06 | 卡尔斯特里姆保健公司 | Intra-oral camera for diagnostic and cosmetic imaging |
| US20120122051A1 (en) * | 2010-11-11 | 2012-05-17 | Kaltenbach & Voigt Gmbh | Dental Device with Hand-held Instrument and Light Source |
| US20150010878A1 (en) * | 2012-01-20 | 2015-01-08 | University Of Washington Through Its Center For Commercialization | Dental demineralization detection, methods and systems |
| CN104887174A (en) * | 2015-06-23 | 2015-09-09 | 哈尔滨工业大学 | Dental tissue early caries differential photo-thermal imaging detection system and method |
| CN105832290A (en) * | 2015-01-30 | 2016-08-10 | 登塔尔图像科技公司 | Intra-oral image acquisition alignment |
| CN107661159A (en) * | 2016-07-27 | 2018-02-06 | 阿莱恩技术有限公司 | Intraoral scanner with dental diagnosis ability |
| US10130262B2 (en) * | 2013-04-18 | 2018-11-20 | DüRR DENTAL AG | Dental camera for detecting caries |
| CN109717839A (en) * | 2019-01-17 | 2019-05-07 | 东北师范大学 | A kind of imaging device of hard tooth tissue disease non-destructive testing |
| CN209346983U (en) * | 2018-09-07 | 2019-09-06 | 浙江大学昆山创新中心 | A kind of infrared stomatology endoscope and its probe |
-
2017
- 2017-11-23 CN CN201711185463.XA patent/CN107966421A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998052460A1 (en) * | 1997-05-23 | 1998-11-26 | Medical Laser Technologies Limited | Non-invasive diagnostic method and apparatus |
| US20040236232A1 (en) * | 2001-06-01 | 2004-11-25 | Centre National De La Recherche Scientifique | Method and apparatus for acquiring and processing images of a tooth |
| CN101365397A (en) * | 2005-12-08 | 2009-02-11 | 彼得·S·乐芙莉 | Infrared dental imaging |
| CN101617934A (en) * | 2008-01-11 | 2010-01-06 | 卡尔斯特里姆保健公司 | Intra-oral camera for diagnostic and cosmetic imaging |
| US20120122051A1 (en) * | 2010-11-11 | 2012-05-17 | Kaltenbach & Voigt Gmbh | Dental Device with Hand-held Instrument and Light Source |
| US20150010878A1 (en) * | 2012-01-20 | 2015-01-08 | University Of Washington Through Its Center For Commercialization | Dental demineralization detection, methods and systems |
| US10130262B2 (en) * | 2013-04-18 | 2018-11-20 | DüRR DENTAL AG | Dental camera for detecting caries |
| CN105832290A (en) * | 2015-01-30 | 2016-08-10 | 登塔尔图像科技公司 | Intra-oral image acquisition alignment |
| CN104887174A (en) * | 2015-06-23 | 2015-09-09 | 哈尔滨工业大学 | Dental tissue early caries differential photo-thermal imaging detection system and method |
| CN107661159A (en) * | 2016-07-27 | 2018-02-06 | 阿莱恩技术有限公司 | Intraoral scanner with dental diagnosis ability |
| CN208942463U (en) * | 2016-07-27 | 2019-06-07 | 阿莱恩技术有限公司 | Scanning means in scanning system and mouth in mouthful |
| CN209346983U (en) * | 2018-09-07 | 2019-09-06 | 浙江大学昆山创新中心 | A kind of infrared stomatology endoscope and its probe |
| CN109717839A (en) * | 2019-01-17 | 2019-05-07 | 东北师范大学 | A kind of imaging device of hard tooth tissue disease non-destructive testing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0555645B1 (en) | Device for detecting dental caries | |
| US8711461B2 (en) | Aperture stop | |
| CN103622674B (en) | Minitype microcirculation imaging monitoring device and method | |
| CN104116497B (en) | Spy optical molecular image-guidance system and multispectral imaging method | |
| CN102947682A (en) | Handpiece with integrated optical system for photothermal radiometry and luminescence measurements | |
| CN107270818A (en) | It is a kind of to utilize the method for monitoring CCD the real time measures laser probe and plane of illumination spacing walk-off angle degree | |
| WO2022257946A1 (en) | Multispectral imaging system and method, and storage medium | |
| CN101365397A (en) | Infrared dental imaging | |
| WO2004103171A2 (en) | Fluorescence filter for tissue examination and imaging | |
| CN104545772A (en) | Composite narrowband imaging endoscope imaging system | |
| CN103799975A (en) | Adaptive optics OCT retinal imager employing coherence gate wavefront sensor | |
| DE102010012809A1 (en) | Device for determining e.g. three-dimensional temperature distribution within e.g. water-containing tissue, has evaluation unit determining temperature-dependent opto-acoustic effect by analyzing optical coherence tomography signal | |
| DE102010043792A1 (en) | Dental system for transilluminating teeth | |
| CN106264476B (en) | Tongue picture detection equipment | |
| Tom et al. | Near-infrared imaging of demineralization under sealants | |
| Simon et al. | Transillumination and reflectance probes for in vivo near-IR imaging of dental caries | |
| CN104406937A (en) | Optical system for measuring retro-reflecting coefficient | |
| CN107752986A (en) | A kind of dental hard tissue's fast imaging method | |
| CN103411901B (en) | Oxygenated blood Lactoferrin and deoxyhemoglobin spectral content distribute quantitative testing device and method | |
| CN107966421A (en) | A kind of dental hard tissue's imaging method realized using 780 nm near infrared diodes laser | |
| CN207560144U (en) | A kind of dental hard tissue's near infrared imaging device | |
| Simon et al. | Multispectral near-infrared reflectance and transillumination imaging of occlusal carious lesions: variations in lesion contrast with lesion depth | |
| CN209499696U (en) | A kind of OCT system of the confocal fundus imaging of multiple light courcess | |
| CN208892543U (en) | Hand-held line is confocal with optical coherence tomography fundus imaging instrument | |
| CN109602392A (en) | Imaging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180427 |