CN105662624A - Method and device for realizing color comparison of false teeth - Google Patents
Method and device for realizing color comparison of false teeth Download PDFInfo
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- CN105662624A CN105662624A CN201610203620.4A CN201610203620A CN105662624A CN 105662624 A CN105662624 A CN 105662624A CN 201610203620 A CN201610203620 A CN 201610203620A CN 105662624 A CN105662624 A CN 105662624A
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000012937 correction Methods 0.000 claims description 32
- 238000005259 measurement Methods 0.000 claims description 29
- 238000009877 rendering Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 210000000608 photoreceptor cell Anatomy 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
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- 229910052731 fluorine Inorganic materials 0.000 description 1
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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
- A61C13/00—Dental prostheses; Making same
- A61C13/08—Artificial teeth; Making same
- A61C13/082—Cosmetic aspects, e.g. inlays; Determination of the colour
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Abstract
The invention discloses a method for realizing color comparison of false teeth, which comprises the following steps: standardizing color comparison environment parameters by using a standard color comparison light source; regulating the output format of a picture shot by a camera to a raw format, and shooting the teeth by using the camera under the standard color comparison light source; transmitting the picture shot by the camera to a computer of a false tooth production center through a network, and transmitting the picture to a color-corrected monitor by the computer so as to display the picture; and enabling technicians to imitate the picture under the standard color comparison light source so as to produce a false tooth color. The invention also relates to a device for realizing the method for realizing color comparison of false teeth, The method and device for realizing color comparison of false teeth have the following beneficial effects: the success rate of production of the false teeth can be increased, the reworking rate can be greatly reduced, the color comparison and production efficiency can be increased, and the cost can be saved.
Description
Technical field
The present invention relates to artificial tooth colorimetric field, particularly to the method that realizes and the device of a kind of artificial tooth colorimetric.
Background technology
Artificial tooth is carried out the method that color determines by current dentist three kinds: instrument colorimetric, vision colorimetric and colorimetric of taking pictures.
Instrument colorimetric has been used for clinic and processing factory, and instrumental color measurement can reduce the subjective and objective factor impact on colour examining result, and compared to vision colorimetric, its result is more objective. At present, a lot of company is had all to be proposed the colour comparatour that can be used for dental clinic to analyzing in the measurement of body tooth color, its colouring information recorded is represented by the tone of clinical conventional color board, different types of colour comparatour (such as spectrophotometer, colorimeter) has respective pluses and minuses, should need to be selected according to clinic. Instrument colorimetric has a disadvantage in that 1, instrument price is expensive; 2, pop one's head in excessive; 3, the lost effect in edge; 4, color transition cannot be recorded; 5, mottle and Chalk speckle etc. cannot records; 6, transparency cannot record; 7, repeatable poor; 8, output result is color board tone so that skilled worker makes and evaluates color of teeth and depends on color board.
Current wide clinical application is still that vision Colorimetric techniques. Vision colorimetric process is generally divided into such as lower part: the light wave (scattering, reflection, transmission etc.) 1, not absorbed by tooth, enters human eye and is accepted by photoreceptor cell，photosensory cell. 2, light is experienced by photoreceptor cell，photosensory cell (cone cell or rod cell), is delivered to brain and is perceived as specific color. 3, the color of perception is compared by doctor with the colour code on standard colorimetric plate, selects immediate Color standard number record, and technician makes artificial tooth according to the record-keeping system of doctor.
Vision colorimetric has a disadvantage in that 1, colorimetric adopts diffused daylight or artificial light source to carry out colorimetric mostly clinically at present, and the light intensity of light source, colour temperature and development index etc. are all unstable, it is impossible to obtaining same light source in clinical and factory, repeatability is also poor simultaneously. 2, on different standard colorimetric plates, colour code has aberration, brings uncertainty to the determination of final color. 3, the Chalk speckle on tooth, the color lump such as fluorine speckle and color transition gradual change situation and transparent situation are difficult to record.
For photograph colorimetric, image results is sent the computer to technician by the photo of Clinical practice digital camera shooting tooth, and technician carries out color by image and determines. The major advantage of this method is: 1, the color exchange between whole patient-doctor-technician by standard colorimetric plate, need not eliminate the problem that color board colour code is very few and colour code color is unstable. 2, carry out color exchange by photo, color transition, mottle and transparency etc. can be had and reflect intuitively. The shortcoming of its existence is as follows: 1, the built-in white balance of camera and image algorithm largely effect on color accuracy 2, photo environment flashing is fixed or flash lamp colour temperature is unstable, affects color accuracy; 3, the computer monitor colour developing of technician is inaccurate affects result; 4, the light source incorrect allotment affecting color when technician makes artificial tooth.
Summary of the invention
The technical problem to be solved in the present invention is in that, for the drawbacks described above of prior art, it is provided that a kind of can improve success rate that artificial tooth makes, significantly lower rework rate, improves colorimetric and make efficiency, the method that realizes of cost-effective artificial tooth colorimetric and device.
The technical solution adopted for the present invention to solve the technical problems is: what construct a kind of artificial tooth colorimetric realizes method, comprises the steps:
A) standard colorimetric light source is used colorimetric ambient parameter to be standardized;
B) the photo output format of camera is adjusted to raw form, uses described camera under described standard colorimetric light source, tooth to be taken pictures;
C) picture of shooting is sent on the computer at artificial tooth making center by described camera by network, and the monitor that described picture is sent to through colour correction is displayed by described computer;
D) technician imitates described picture under described standard colorimetric light source and carries out the making of artificial tooth color.
Realizing in method in artificial tooth colorimetric of the present invention, the colour temperature of described standard colorimetric light source is 5500k ± 50, and color rendering index is 97.2, and light intensity is 250lm ± 20.
Realizing in method in artificial tooth colorimetric of the present invention, when described monitor is carried out colour correction, the process of colour correction comprises the steps:
C1) use the signal generator software installed on described computer, standard color block is incident upon on the monitor meeting color industry standard;
C2) use spectroscope that described standard color block is carried out color index measurement; Described color index includes form and aspect, lightness and saturation;
C3) according to the color index measured, use the color measurements correction software installed on described computer, described monitor is carried out colour cast correction.
Realizing in method in artificial tooth colorimetric of the present invention, described signal generator software is VirtualForge.
Realizing in method in artificial tooth colorimetric of the present invention, described color measurements correction software is CalmanStudio.
The invention still further relates to the device of a kind of method that realizes realizing above-mentioned artificial tooth colorimetric, including:
Ambient parameter Standardisation Cell: be used for using standard colorimetric light source colorimetric ambient parameter to be standardized;
Photographing unit: for the photo output format of camera is adjusted to raw form, use described camera under described standard colorimetric light source, tooth to be taken pictures;
Picture transmits display unit: making the computer at center for making described camera that by network, the picture of shooting is sent to artificial tooth, the monitor that described picture is sent to through colour correction is displayed by described computer;
Artificial tooth color production unit: carry out the making of artificial tooth color for making technician imitate described picture under described standard colorimetric light source.
In device of the present invention, the colour temperature of described standard colorimetric light source is 5500k ± 50, and color rendering index is 97.2, and light intensity is 250lm ± 20.
In device of the present invention, when described monitor is carried out colour correction, described device also includes:
Color lump projecting unit: for using the signal generator software installed on described computer, standard color block is incident upon on the monitor meeting color industry standard;
Color index measurement unit: be used for using spectroscope that described standard color block is carried out color index measurement; Described color index includes form and aspect, lightness and saturation;
Colour cast correction unit: for according to the color index measured, using the color measurements correction software installed on described computer, described monitor is carried out colour cast correction.
In device of the present invention, described signal generator software is VirtualForge.
In device of the present invention, described color measurements correction software is CalmanStudio.
Implement the method that realizes and the device of the artificial tooth colorimetric of the present invention, have the advantages that the colorimetric environment owing to using is standardized colorimetric environment, thus can increase the success rate of colorimetric, standardized light source is relative to instrument colorimetric, cheap, the picture of camera shooting exports with raw form, thus can remove the impact on image of white balance and compression algorithm, thus can increase the accuracy of identification, when displaying, the monitor through colour correction is used to show picture, which adds the accuracy of color, the success rate that artificial tooth makes can be improved, significantly lower rework rate, improve colorimetric and make efficiency, save cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of method in the method that realizes of artificial tooth colorimetric of the present invention and one embodiment of device;
Fig. 2 is the flow chart that monitor carries out in described embodiment colour correction;
Fig. 3 is the structural representation of device in described embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
In the method that realizes and device embodiment of artificial tooth colorimetric of the present invention, the flow chart of the method that realizes of its artificial tooth colorimetric is as shown in Figure 1. In Fig. 1, the method that realizes of this artificial tooth colorimetric comprises the steps:
Step S01 uses standard colorimetric light source colorimetric ambient parameter to be standardized: in this step, standard colorimetric light source is used colorimetric ambient parameter to be standardized, the colour temperature of this standard colorimetric light source is 5500k ± 50, and color rendering index is 97.2, and light intensity is 250lm ± 20. Namely the parameter of light source is carried out standardization. Colorimetric each time, or carry out colorimetric at different when and wheres, all use this standardization than color light source, be equivalent to colorimetric ambient parameter and have standardized.
It is noted that colour temperature 5500K is equivalent to the sun colour temperature in morning 10 and at 4 in afternoon, meet CIED55 standard colorimetric light source standard. The colour temperature meeting mankind's activity rule is arranged, and increases the metamerism coupling between artificial tooth and natural teeth, greatly reduces the return visit of patient. Color rendering index > 97Ra, it is significantly larger than the color rendering index of CIE standard-required > requirement of 90Ra, spectrum is more complete, is sufficiently close to sunlight. Round-the-clock (including evening) simulated solar irradiation, shows the more color detail of natural teeth, for the complex colors case of high request, can accomplish that a colorimetric completes, very efficiently.
The photo output format of camera is adjusted to raw form by step S02, camera is used under standard colorimetric light source, tooth to be taken pictures: in this step, the output format of the photo inside camera menu is adjusted to raw form, then the camera of raw form is used under standard colorimetric light source, tooth to be taken pictures, thus can automatically remove the impact on image of white balance and compression algorithm, improve the accuracy of color.
The picture of shooting is sent to artificial tooth by network and makes on the computer at center by step S03 camera, by picture, the monitor being sent to through colour correction displays computer: in the present embodiment, and artificial tooth makes the computer at center and is connected to the monitor through colour correction. In this step, the picture of shooting is sent to artificial tooth by network and makes on the computer at center by camera, and then this picture is sent to and displays on the monitor of colour correction by computer, so can reduce the impact on color accuracy. It addition, by the picture of display on monitor, it is possible to each factors such as completely recorded transparency, mottle, Chalk and color gradient.
Step S04 technician imitates picture under standard colorimetric light source and carries out the making of artificial tooth color: in this step, and technician imitates picture under standard colorimetric light source and carries out the making of artificial tooth color. The present invention artificial tooth colorimetric realize in method, colorimetric and artificial tooth make can accomplish ratio color light source standardization, so can reduce personal error, and color reproduction is accurate, and it is required for color board, and the present invention is cheap relative to traditional colour comparatour. The method that realizes of the artificial tooth colorimetric of the present invention can improve success rate that artificial tooth makes, significantly lowers rework rate, improve colorimetric and make efficiency, saves cost.
For the present embodiment, when monitor is carried out colour correction, the flow chart of its colour correction is as shown in Figure 2. In Fig. 2, the process that monitor carries out colour correction comprises the steps:
Step S31 uses the signal generator software installed on computer, standard color block is incident upon on the monitor meeting color industry standard: in the present embodiment, artificial tooth makes signal generator software after installing on the computer at center, in this step, first the monitor meeting color industry standard is obtained, then use the signal generator software installed on computer, standard color block is incident upon on the monitor meeting color industry standard. The kind of signal generator software is a lot, in actually used, can select a kind of signal generator software according to specific needs, for instance: VirtualForge. It is noted that the parameter of the standard color block of unlike signal generator software is also different.
Standard color block is carried out color index measurement by step S32 spectroscope: in this step, with spectroscope, described standard color block is carried out color index measurement. Different colour systems has different parameters, relatively common parameter to have form and aspect, lightness and saturation, and these three parameter is called color three elements. In the present embodiment, what color index used is exactly form and aspect, lightness and saturation.
Step S33, according to the color index measured, uses the color measurements correction software installed on computer, monitor is carried out colour cast correction: artificial tooth makes and is provided with color measurements correction software on the computer at center, in order to regular calibration monitor. Color measurements correction software has a lot, in practical application, can select corresponding color measurements correction software according to specific needs, for instance: CalmanStudio. In this step, according to the color index measured, use the color measurements correction software installed on computer, monitor is carried out colour cast correction. This completes the colour correction to monitor, thus reducing due to the monitor inaccurate impact on color accuracy of colour developing.
The present embodiment further relates to the device of a kind of method that realizes realizing above-mentioned artificial tooth colorimetric, and its structural representation is as shown in Figure 3. In Fig. 3, this device includes ambient parameter Standardisation Cell 1, photographing unit 2, picture transmission display unit 3 and artificial tooth color production unit 4; Wherein, ambient parameter Standardisation Cell 1 is used for using standard colorimetric light source colorimetric ambient parameter to be standardized; The colour temperature of standard colorimetric light source is 5500k ± 50, and color rendering index is 97.2, and light intensity is 250lm ± 20. Photographing unit 2, for the photo output format of camera is adjusted to raw form, uses camera under standard colorimetric light source, tooth to be taken pictures; Picture transmits display unit 3 and makes the computer at center for making camera that by network, the picture of shooting is sent to artificial tooth, and the monitor that described picture is sent to through colour correction is displayed by computer; Artificial tooth color production unit 4 carries out the making of artificial tooth color for making technician imitate picture under standard colorimetric light source. In the apparatus of the present, colorimetric makes with artificial tooth can accomplish ratio color light source standardization, so can reduce personal error, and color reproduction is accurate, and it is required for color board, and the present invention is cheap relative to traditional colour comparatour. Assembly of the invention can improve success rate that artificial tooth makes, significantly lowers rework rate, improve colorimetric and make efficiency, saves cost.
In the present embodiment, when monitor is carried out colour correction, this device also includes color lump projecting unit 5, color index measurement unit 6 and colour cast correction unit 7; Wherein, standard color block, for using the signal generator software installed on computer, is incident upon on the monitor meeting color industry standard by color lump projecting unit 5; The kind of signal generator software is a lot, in actually used, can select a kind of signal generator software according to specific needs, for instance: VirtualForge. Color index measurement unit 6 is used for using spectroscope that standard color block is carried out color index measurement; Color index includes form and aspect, lightness and saturation; Color measurements correction software has a lot, in practical application, can select corresponding color measurements correction software according to specific needs, for instance: CalmanStudio. Colour cast correction unit 7 is for according to the color index measured, using the color measurements correction software installed on computer, monitor is carried out colour cast correction. Thus can reduce due to the monitor inaccurate impact on color accuracy of colour developing.
In a word, in the present embodiment, the present invention is cheap relative to conventional colorimetric instrument; Color reproduction is comparatively accurate; Can each factor such as completely recorded transparency, mottle, Chalk and color gradient, colorimetric and artificial tooth make can accomplish light source calibration, it is possible to reduce personal error; It is required for color board. It can improve the success rate that artificial tooth makes, and significantly lowers rework rate, improves colorimetric and make efficiency, saves cost.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. an artificial tooth colorimetric realize method, it is characterised in that comprise the steps:
A) standard colorimetric light source is used colorimetric ambient parameter to be standardized;
B) the photo output format of camera is adjusted to raw form, uses described camera under described standard colorimetric light source, tooth to be taken pictures;
C) picture of shooting is sent on the computer at artificial tooth making center by described camera by network, and the monitor that described picture is sent to through colour correction is displayed by described computer;
D) technician imitates described picture under described standard colorimetric light source and carries out the making of artificial tooth color.
2. artificial tooth colorimetric according to claim 1 realize method, it is characterised in that the colour temperature of described standard colorimetric light source is 5500k ± 50, and color rendering index is 97.2, and light intensity is 250lm ± 20.
3. artificial tooth colorimetric according to claim 1 and 2 realize method, it is characterised in that when described monitor is carried out colour correction, the process of colour correction comprises the steps:
C1) use the signal generator software installed on described computer, standard color block is incident upon on the monitor meeting color industry standard;
C2) use spectroscope that described standard color block is carried out color index measurement; Described color index includes form and aspect, lightness and saturation;
C3) according to the color index measured, use the color measurements correction software installed on described computer, described monitor is carried out colour cast correction.
4. artificial tooth colorimetric according to claim 3 realize method, it is characterised in that described signal generator software is VirtualForge.
5. artificial tooth colorimetric according to claim 3 realize method, it is characterised in that described color measurements correction software is CalmanStudio.
6. the device of the method that realizes realizing artificial tooth colorimetric as claimed in claim 1, it is characterised in that including:
Ambient parameter Standardisation Cell: be used for using standard colorimetric light source colorimetric ambient parameter to be standardized;
Photographing unit: for the photo output format of camera is adjusted to raw form, use described camera under described standard colorimetric light source, tooth to be taken pictures;
Picture transmits display unit: making the computer at center for making described camera that by network, the picture of shooting is sent to artificial tooth, the monitor that described picture is sent to through colour correction is displayed by described computer;
Artificial tooth color production unit: carry out the making of artificial tooth color for making technician imitate described picture under described standard colorimetric light source.
7. the device of the method that realizes of realization according to claim 6 artificial tooth colorimetric as claimed in claim 1, it is characterised in that the colour temperature of described standard colorimetric light source is 5500k ± 50, and color rendering index is 97.2, and light intensity is 250lm ± 20.
8. the device of the method that realizes realizing artificial tooth colorimetric as claimed in claim 1 according to claim 6 or 7, it is characterised in that when described monitor is carried out colour correction, described device also includes:
Color lump projecting unit: for using the signal generator software installed on described computer, standard color block is incident upon on the monitor meeting color industry standard;
Color index measurement unit: be used for using spectroscope that described standard color block is carried out color index measurement; Described color index includes form and aspect, lightness and saturation;
Colour cast correction unit: for according to the color index measured, using the color measurements correction software installed on described computer, described monitor is carried out colour cast correction.
9. the device of the method that realizes of realization according to claim 8 artificial tooth colorimetric as claimed in claim 1, it is characterised in that described signal generator software is VirtualForge.
10. the device of the method that realizes of realization according to claim 8 artificial tooth colorimetric as claimed in claim 1, it is characterised in that described color measurements correction software is CalmanStudio.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610203620.4A CN105662624A (en) | 2016-03-31 | 2016-03-31 | Method and device for realizing color comparison of false teeth |
| PCT/CN2016/078530 WO2017166326A1 (en) | 2016-03-31 | 2016-04-06 | Method and device for realizing color comparison of artificial tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610203620.4A CN105662624A (en) | 2016-03-31 | 2016-03-31 | Method and device for realizing color comparison of false teeth |
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| CN105662624A true CN105662624A (en) | 2016-06-15 |
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| CN201610203620.4A Pending CN105662624A (en) | 2016-03-31 | 2016-03-31 | Method and device for realizing color comparison of false teeth |
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| CN (1) | CN105662624A (en) |
| WO (1) | WO2017166326A1 (en) |
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| CN109350277A (en) * | 2018-10-08 | 2019-02-19 | 杭州而然科技有限公司 | A method of the accurate production dental prosthesis of digitlization |
| CN109394376A (en) * | 2018-09-30 | 2019-03-01 | 重庆登康口腔护理用品股份有限公司 | A kind of tooth staining methods of risk assessment |
| CN115120379A (en) * | 2022-06-30 | 2022-09-30 | 爱迪特（秦皇岛）科技股份有限公司 | Colorimetric method of zirconia veneering |
| TWI865339B (en) * | 2024-02-16 | 2024-12-01 | 亞東學校財團法人亞東科技大學 | Tooth colorimetric correction box and application method thereof |
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| FI130746B1 (en) | 2019-03-29 | 2024-02-26 | Lumi Dental Ltd | DETERMINATION OF TEETH COLOR BASED ON AN IMAGE TAKEN WITH A MOBILE DEVICE |
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Application publication date: 20160615 |