A kind of dental zirconium oxide ceramics screening color liquid and its preparation method and applicationTechnical field
The present invention relates to dental polishing technical field, more particularly to a kind of dental zirconium oxide ceramics screening color liquidAnd its preparation method and application.
Background technique
Currently, dental polishing refers to glass ceramic material and product for dental treatment and reparation, belong to medical instrumentScope.Zirconia ceramics has excellent mechanical property, and bending strength is more than 1000MPa, and relatively thin thickness can reach veryHigh intensity is ideal dental prosthetic material.In Dental Erosion treatment, dummy in addition to need to have certain intensity,Wearability, corrosion resistance and biocompatibility should also have good aesthetic characteristic.Especially in recent years, with national life waterThe requirement of flat progress, degree of closeness of the patient to dental prosthesis with natural tooth in appearance is higher and higher.And zirconium oxide is made potteryPorcelain is closest with natural tooth due to excellent translucency, so paying close attention to by people.
But there are still significant as the dental prosthesis material of most rationality for discovery zirconia ceramics in practical applicationsDefect: firstly, in use if abutment color relatively depth or having planted metal base station, zirconium oxide all-ceramic crown can appear abutmentColor or appear the black of metal base station, to cause that the effect of nature emulation cannot be presented away from larger with adjacent teeth colour-difference；Secondly, the method complexity in the prior art dyed to dental zirconium oxide ceramics, raw material complicated composition, cost of material height.
Therefore it provides it is those skilled in the art that a kind of dental zirconium oxide ceramics, which hide color liquid and its preparation method and application,The problem of urgent need to resolve.
Summary of the invention
Color liquid is hidden in view of this, using the present invention provides a kind of dental zirconium oxide ceramics, the raw material used is simple, easy, preparation method is simple, can largely repeat, and is applied to dental zirconium oxide ceramics, can be realized reduction zirconia ceramicsThe transparency of inside, the effect for not influencing zirconium oxide exterior color but.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of dental zirconium oxide ceramics screening color liquid, which is characterized in that the component including following mass parts: 1~50 part of screeningToner, 0.01~0.2 part of color indicator, 5~20 parts of additives and 100 parts of deionized waters；The opaque resin is in hiding color liquidMolar concentration be 0.02~2mol/L.
The beneficial effect of above-mentioned optimal technical scheme is: a kind of dental zirconium oxide biscuit ceramics screening color disclosed by the inventionLiquid, raw material composition is simple, cost of material is low, and preparation method and application method are relatively easy；Meanwhile being applied to dentistry oxygenThe transparency inside dental prosthesis can be effectively reduced by changing zircon ceramic, not influence the color effects outside dummy but.
Preferably, the opaque resin includes Al (NO3)3·9H2O、Zr(NO3)4〃5H2O、KOH、NaOH、Na2SiO3·9H2O、K2SiO3With one or both of KH-570 mixing.
The beneficial effect of above-mentioned optimal technical scheme is: the above-mentioned opaque resin that the present invention uses can be adsorbed on zirconium oxide elementBase surface forms interstitial solid solution by 1400-1600 DEG C of high-temperature calcination, so as to reduce the transparency of zirconium surface, withAchieve the effect that hide color, so that dental zirconium oxide ceramics use process meets aesthetic.
Preferably, the color indicator include that methyl orange, anthocyanidin, famille rose, lemon yellow, tender leaf be green or sunset yellow itsOne or both of mixing.
The beneficial effect of above-mentioned optimal technical scheme is: color indicator that the present invention uses and opaque resin, additive andDeionized water, which cooperates, can achieve the effect that change the color for hiding color liquid, so as to intuitively show to apply brushing effects,So that the position brushed is more accurate, easy to use.
Preferably, described additive packet PEG400, PEG600 or PEG1000 be one such or two kinds of mixing.
The beneficial effect of above-mentioned optimal technical scheme is: additive that the present invention uses and opaque resin, color indicator andDeionized water is used cooperatively, and the effect for increasing system viscosity may be implemented, to prevent opaque resin downward from zirconium oxide biscuit surfaceInfiltration is too deep and influences integral color effect；And it is possible to the surface tension of mixed system be reduced, more in zirconium oxide biscuitExternal coating forms uniform opaque resin coating.
A kind of dental zirconium oxide ceramics preparation method for hiding color liquid, which is characterized in that specifically comprise the following steps:
(1) each raw material is weighed with color liquid is hidden according to a kind of dental zirconium oxide ceramics as described above, it is spare；
(2) first opaque resin is add to deionized water, is uniformly mixed, is completely dissolved opaque resin, obtains mixed solution；
(3) state then up and color indicator and additive be added in mixed solution, be uniformly mixed, make color indicator andA kind of dental zirconium oxide ceramics screening color liquid can be obtained in additive uniform dissolution.
Preferably, it is uniformly mixed in the step (2) specifically: opaque resin is added in deionized water, is subsequently placed in superIn sound wave washer, setting ultrasonic vibration power is 100W~300W, and the ultrasonic vibration time is 30min~50min.
Preferably, it is uniformly mixed in the step (3) specifically: face will be added comprising the solution of opaque resin and deionized waterColor indicator and additive, are subsequently placed in ultrasonic cleaner, and setting ultrasonic vibration power is 100W~300W, ultrasonic vibrationTime is 10min~30min.
The beneficial effect of above-mentioned optimal technical scheme is: preparation method process disclosed by the invention is simple, low manufacture cost,Repeatability is good；Raw material can be uniformly mixed, so that the screening color fluidity matter stable homogeneous being prepared, convenient transportation, preservationWith use, and can guarantee that raw material never degenerates in preparation process, so that the screening color liquid being prepared can reduce zirconia ceramicsInternal transparency does not influence color outside zirconium oxide but.
A kind of application as described above hiding color liquid in the biscuits such as dental zirconium oxide plantation, interior hat, complete crown, crossover.
The beneficial effect of above-mentioned optimal technical scheme is: a kind of screening color liquid disclosed above is applied to dentistry oxygen by the present inventionChange zircon ceramic, can significantly improve inner transparent existing for dental zirconium oxide ceramics and spend high problem, so that being prepared by itTo dental prosthesis can present nature emulation effect.
A kind of dental zirconium oxide ceramics application method for hiding color liquid, which is characterized in that will first hide color liquid as described aboveThe inner surface for brushing the biscuit of hat, zirconium oxide complete crown or zirconium oxide crossover in zirconium oxide planting body, zirconium oxide, then passes through1400-1600 DEG C of high temperature sintering 2h can form white coating in the inner surface of planting body, interior hat, complete crown or crossover.
The beneficial effect of above-mentioned optimal technical scheme is: application method disclosed by the invention can be in dental zirconium oxide ceramicsInner surface forms stable white coating, and the dental prosthesis made shows good service performance in application process,Not only have the characteristics that color is naturally beautiful, but also there is excellent physical mechanical strength, wearability, corrosion resistance and biofaciesCapacitive.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of dental zirconium oxidesCeramics are reduced the principle of zirconium oxide transparency using opaque resin, can be effectively reduced inside dental prosthesis with color liquid is hiddenTransparency does not influence color effects outside dummy but；The invention also discloses a kind of screenings of dental zirconium oxide ceramics simultaneouslyThe preparation method of color liquid, the remarkable advantage simple with process, low manufacture cost, Repeatability are good；Also, invention additionally disclosesA kind of dental zirconium oxide ceramics apply and methods for using thems with hide color liquid, can significantly improve existing for dental zirconium oxide ceramicsInner transparent spends high problem, enables and the effect that nature emulates is presented by the dental prosthesis that it is prepared.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodimentOnly a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this fieldArt personnel every other embodiment obtained without making creative work belongs to the model that the present invention protectsIt encloses.
Embodiment 1
The embodiment of the present invention 1 discloses a kind of dental zirconium oxide ceramics and hides color liquid and its preparation method and application.
A kind of dental zirconium oxide ceramics screening color liquid, including Al (NO3)3〃9H2O 1.0g, methyl orange indicator 0.08g,PEG400 10g and deionized water 100g.
A kind of dental zirconium oxide ceramics preparation method for hiding color liquid, specifically comprises the following steps:
(1) 1.0gAl (NO is weighed3)3〃9H2O, 0.08g methyl orange and 10g PEG400, and it is standby to measure 100g deionized waterWith；
(2) first by Al (NO3)3〃9H2O is add to deionized water, and then whole mixed system is added to ultrasonic cleaningIt is 300W that ultrasonic vibration power is arranged in device, is mixed by 30min ultrasonic vibration, until opaque resin is completely dissolved to obtain0.027mol/L mixed solution；
(3) methyl orange and PEG400 are then added into above-mentioned mixed solution, continues that ultrasound is arranged in ultrasonic cleaning machineVibration power is 300W, is mixed by 10min ultrasonic vibration, and a kind of dental zirconium oxide ceramics screening color liquid can be obtained.
A kind of dental zirconium oxide ceramics application method for hiding color liquid, specific steps are as follows:
(a) a kind of above-mentioned dental zirconium oxide ceramics being prepared first are hidden into the brushing of color liquid in zirconium oxide using glazing penInside the corona of dummy biscuit, brushing sequence is from jaw face to the last brushing bead of tooth cut end；
(b) be subsequently placed in high temperature sintering furnace, setting sintering temperature be 1450 DEG C, sintering time 2h, can be obtained mostWhole dental prosthesis.
Embodiment 2
The embodiment of the present invention 2 discloses a kind of dental zirconium oxide ceramics and hides color liquid and its preparation method and application.
A kind of dental zirconium oxide ceramics screening color liquid, including Al (NO3)3〃9H2O 20g, lemon yellow indicator 0.12g,PEG400 15g and deionized water 100g.
A kind of dental zirconium oxide ceramics preparation method for hiding color liquid, specifically comprises the following steps:
(1) 20g Al (NO is weighed3)3〃9H2O, 0.12g lemon yellow and 15g PEG400, and it is standby to measure 100g deionized waterWith；
(2) first by Al (NO3)3〃9H2O is add to deionized water, and then whole mixed system is added to ultrasonic cleaningIt is 200W that ultrasonic vibration power is arranged in device, is mixed by 50min ultrasonic vibration, until opaque resin is completely dissolved to obtain 0.53mol/L mixed solution；
(3) lemon yellow and PEG400 are then added into above-mentioned mixed solution, continues that ultrasound is arranged in ultrasonic cleaning machineVibration power is 200W, is mixed by 30min ultrasonic vibration, and a kind of dental zirconium oxide ceramics screening color liquid can be obtained.
A kind of dental zirconium oxide ceramics application method for hiding color liquid, specific steps are as follows:
(a) a kind of above-mentioned dental zirconium oxide ceramics being prepared first are hidden into the brushing of color liquid in zirconium oxide using glazing penInside the corona of dummy biscuit, brushing sequence is from jaw face to the last brushing bead of tooth cut end；
(b) be subsequently placed in high temperature sintering furnace, setting sintering temperature be 1500 DEG C, sintering time 2h, can be obtained mostWhole dental prosthesis.
Embodiment 3
The embodiment of the present invention 3 discloses a kind of dental zirconium oxide ceramics and hides color liquid and its preparation method and application.
A kind of dental zirconium oxide ceramics screening color liquid, including Al (NO3)3〃9H2O 50g, methyl orange indicator 0.1g, cyaninePlain indicator 0.1g, PEG400 20g and deionized water 100g.
A kind of dental zirconium oxide ceramics preparation method for hiding color liquid, specifically comprises the following steps:
(1) 50g Al (NO is weighed3)3〃9H2O, 0.1g methyl orange, 0.1g anthocyanidin and 20g PEG400, and measure 100gDeionized water is spare；
(2) first by Al (NO3)3〃9H2O is add to deionized water, and then whole mixed system is added to ultrasonic cleaningIt is 100W that ultrasonic vibration power is arranged in device, is mixed by 45min ultrasonic vibration, until opaque resin is completely dissolved to obtain 1.33mol/L mixed solution；
(3) methyl orange, anthocyanidin and PEG400 are then added into above-mentioned mixed solution, continuation is set in ultrasonic cleaning machineSetting ultrasonic vibration power is 200W, is mixed by 25min ultrasonic vibration, and a kind of dental zirconium oxide ceramics screening color can be obtainedLiquid.
A kind of dental zirconium oxide ceramics application method for hiding color liquid, specific steps are as follows:
(a) a kind of above-mentioned dental zirconium oxide ceramics being prepared first are hidden into the brushing of color liquid in zirconium oxide using glazing penInside the corona of dummy biscuit, brushing sequence is from jaw face to the last brushing bead of tooth cut end；
(b) be subsequently placed in high temperature sintering furnace, setting sintering temperature be 1530 DEG C, sintering time 2h, can be obtained mostWhole dental prosthesis.
Embodiment 4
The embodiment of the present invention 4 discloses a kind of dental zirconium oxide ceramics and hides color liquid and its preparation method and application.
A kind of dental zirconium oxide ceramics screening color liquid, including Na2SiO3〃9H2O 18g, carmine indicator 0.18g,PEG600 13g and deionized water 100g.
A kind of dental zirconium oxide ceramics preparation method for hiding color liquid, specifically comprises the following steps:
(1) 18gNa is weighed2SiO3〃9H2O, 0.18g famille rose indicator and 13g PEG600, and measure 100g deionizationWater is spare；
(2) first by Na2SiO3〃9H2O is add to deionized water, and then whole mixed system is added to ultrasonic cleaning machineMiddle setting ultrasonic vibration power is 260W, is mixed by 45min ultrasonic vibration, until opaque resin is completely dissolved to obtain 0.63mol/LMixed solution；
(3) carmine indicator and PEG600 are then added into above-mentioned mixed solution, continuation is set in ultrasonic cleaning machineSetting ultrasonic vibration power is 100W, is mixed by 30min ultrasonic vibration, and a kind of dental zirconium oxide ceramics screening color can be obtainedLiquid.
A kind of dental zirconium oxide ceramics application method for hiding color liquid, specific steps are as follows:
(a) a kind of above-mentioned dental zirconium oxide ceramics being prepared first are hidden into the brushing of color liquid in zirconium oxide using glazing penInside the corona of dummy biscuit, brushing sequence is from jaw face to the last brushing bead of tooth cut end；
(b) be subsequently placed in high temperature sintering furnace, setting sintering temperature be 1580 DEG C, sintering time 2h, can be obtained mostWhole dental prosthesis.
Embodiment 5
The embodiment of the present invention 5 discloses a kind of dental zirconium oxide ceramics and hides color liquid and its preparation method and application.
A kind of dental zirconium oxide ceramics screening color liquid, including the green indicator 0.06g of KH-570 7g, tender leaf, PEG600 13gWith deionized water 100g.
A kind of dental zirconium oxide ceramics preparation method for hiding color liquid, specifically comprises the following steps:
(1) 7g KH-570, the green indicator of 0.06g tender leaf and 13g PEG600 are weighed, and it is standby to measure 100g deionized waterWith；
(2) first KH-570 is add to deionized water, then whole mixed system is added and is set into ultrasonic cleaning machineSetting ultrasonic vibration power is 260W, is mixed by 50min ultrasonic vibration, until opaque resin is completely dissolved to obtain 0.28mol/L mixingSolution；
(3) the green indicator of tender leaf and PEG600 are then added into above-mentioned mixed solution, continuation is set in ultrasonic cleaning machineSetting ultrasonic vibration power is 100W, is mixed by 30min ultrasonic vibration, and a kind of dental zirconium oxide ceramics screening color can be obtainedLiquid.
A kind of dental zirconium oxide ceramics application method for hiding color liquid, specific steps are as follows:
(a) a kind of above-mentioned dental zirconium oxide ceramics being prepared first are hidden into the brushing of color liquid in zirconium oxide using glazing penInside the corona of dummy biscuit, brushing sequence is from jaw face to the last brushing bead of tooth cut end；
(b) be subsequently placed in high temperature sintering furnace, setting sintering temperature be 1470 DEG C, sintering time 2h, can be obtained mostWhole dental prosthesis.
Embodiment 6
The embodiment of the present invention 6 discloses a kind of dental zirconium oxide ceramics and hides color liquid and its preparation method and application.
A kind of dental zirconium oxide ceramics with hiding color liquid, including KOH 5.3g, sunset yellow indicator 0.18g, PEG400 10g,PEG600 5g and deionized water 100g.
A kind of dental zirconium oxide ceramics preparation method for hiding color liquid, specifically comprises the following steps:
(1) 5.3gKOH, 0.18g sunset yellow, 10g PEG400 and 5g PEG600 are weighed, and it is standby to measure 100g deionized waterWith；
(2) first KOH is add to deionized water, it is super that setting is then added into ultrasonic cleaning machine in whole mixed systemAcoustic vibration power is 190W, is mixed by 50min ultrasonic vibration, until opaque resin is completely dissolved to obtain 0.94mol/L mixed solution；
(3) sunset yellow indicator and PEG400, PEG600 are then added into above-mentioned mixed solution, continuation is being cleaned by ultrasonicIt is 100W that ultrasonic vibration power is arranged in device, is mixed by 30min ultrasonic vibration, and a kind of dental zirconium oxide ceramics use can be obtainedHide color liquid.
A kind of dental zirconium oxide ceramics application method for hiding color liquid, specific steps are as follows:
(a) a kind of above-mentioned dental zirconium oxide ceramics being prepared first are hidden into the brushing of color liquid in zirconium oxide using glazing penInside the corona of dummy biscuit, brushing sequence is from jaw face to the last brushing bead of tooth cut end；
(b) be subsequently placed in high temperature sintering furnace, setting sintering temperature be 1480 DEG C, sintering time 2h, can be obtained mostWhole dental prosthesis.
Embodiment 7
The embodiment of the present invention 7 discloses a kind of dental zirconium oxide ceramics and hides color liquid and its preparation method and application.
A kind of dental zirconium oxide ceramics screening color liquid, including K2SiO330.9g, lemon yellow indicator 0.03g, PEG100010g and deionized water 100g.
A kind of dental zirconium oxide ceramics preparation method for hiding color liquid, specifically comprises the following steps:
(1) K is weighed2SiO330.9g, lemon yellow indicator 0.03g, PEG1000 10g and deionized water 100g are spare；
(2) first by K2SiO3It is add to deionized water, then whole mixed system is added and is arranged into ultrasonic cleaning machineUltrasonic vibration power is 220W, is mixed by 37min ultrasonic vibration, until to be completely dissolved to obtain 2.00mol/L mixing molten for opaque resinLiquid；
(3) lemon yellow indicator and PEG1000 are then added into above-mentioned mixed solution, continuation is set in ultrasonic cleaning machineSetting ultrasonic vibration power is 260W, is mixed by 23min ultrasonic vibration, and a kind of dental zirconium oxide ceramics screening color can be obtainedLiquid.
A kind of dental zirconium oxide ceramics application method for hiding color liquid, specific steps are as follows:
(a) a kind of above-mentioned dental zirconium oxide ceramics being prepared first are hidden into the brushing of color liquid in zirconium oxide using glazing penInside the corona of dummy biscuit, brushing sequence is from jaw face to the last brushing bead of tooth cut end；
(b) be subsequently placed in high temperature sintering furnace, setting sintering temperature be 1520 DEG C, sintering time 2h, can be obtained mostWhole dental prosthesis.
Embodiment 8
The embodiment of the present invention 8 discloses a kind of dental zirconium oxide ceramics and hides color liquid and its preparation method and application.
A kind of dental zirconium oxide ceramics screening color liquid, including Zr (NO3)4〃5H2O 10g, methyl orange indicator 0.2g,PEG1000 15g and 100g deionized water.
A kind of dental zirconium oxide ceramics preparation method for hiding color liquid, specifically comprises the following steps:
(1) Zr (NO is weighed3)4〃5H2O 10g, methyl orange indicator 0.2g, PEG1000 15g and 100g deionized water are standbyWith；
(2) first by Zr (NO3)4〃5H2O is add to deionized water, and then whole mixed system is added to ultrasonic cleaningIt is 230W that ultrasonic vibration power is arranged in device, is mixed by 30min ultrasonic vibration, until opaque resin is completely dissolved to obtain0.233mol/L mixed solution；
(3) methyl orange indicator and PEG1000 are then added into above-mentioned mixed solution, continuation is set in ultrasonic cleaning machineSetting ultrasonic vibration power is 300W, is mixed by 10min ultrasonic vibration, and a kind of dental zirconium oxide ceramics screening color can be obtainedLiquid.
A kind of dental zirconium oxide ceramics application method for hiding color liquid, specific steps are as follows:
(a) a kind of above-mentioned dental zirconium oxide ceramics being prepared first are hidden into the brushing of color liquid in zirconium oxide using glazing penInside the corona of dummy biscuit, brushing sequence is from jaw face to the last brushing bead of tooth cut end；
(b) be subsequently placed in high temperature sintering furnace, setting sintering temperature be 1430 DEG C, sintering time 2h, can be obtained mostWhole dental prosthesis.
Embodiment 9
The embodiment of the present invention 9 discloses a kind of dental zirconium oxide ceramics and hides color liquid and its preparation method and application.
A kind of dental zirconium oxide ceramics with hiding color liquid, including NaOH 3.8g, KOH 4g, methyl orange indicator 0.2g,PEG600 10g and 100g deionized water.
(1) 3.8g NaOH, 4g KOH, 0.2g methyl orange indicator, 10gPEG600 and 100g deionized water are weighed, it is standbyWith；
(2) first NaOH and KOH (sequence is unlimited) are add to deionized water, then whole mixed system is added to superIt is 180W that ultrasonic vibration power is arranged in sound washer, mixes by 30min ultrasonic vibration, is mixed until opaque resin is completely dissolvedClose solution；
(3) methyl orange indicator, PEG600 are then added into above-mentioned mixed solution, continuation is arranged in ultrasonic cleaning machineUltrasonic vibration power is 250W, is mixed by 10min ultrasonic vibration, and a kind of dental zirconium oxide ceramics screening color liquid can be obtained.
A kind of dental zirconium oxide ceramics application method for hiding color liquid, specific steps are as follows:
(a) a kind of above-mentioned dental zirconium oxide ceramics being prepared first are hidden into the brushing of color liquid in zirconium oxide using glazing penInside the corona of dummy biscuit, brushing sequence is from jaw face to the last brushing bead of tooth cut end；
(b) be subsequently placed in high temperature sintering furnace, setting sintering temperature be 1600 DEG C, sintering time 2h, can be obtained mostWhole dental prosthesis.
Effect detection is carried out with color liquid is hidden to a kind of dental zirconium oxide ceramics that above-described embodiment 1-9 is prepared.Wherein,The dental prosthesis, small pieces and the intensity item that do not carry out hiding the processing of color liquid are placed in high temperature sintering furnace, setting sintering temperature is1530 DEG C, sintering time 2h carry out date comprision with embodiment 1-9 as a control group after sintering.
One, the brushing of color liquid is hidden in the one side of small pieces by what above-described embodiment 1-9 was prepared respectively；It is subsequently placed in sintering furnaceIn, it is sintered under the conditions of 1530 DEG C；Optical detection finally is carried out to by sintered small pieces, detection obtains light transmittance, as a resultAs shown in table 1.
Two, the screening color liquid brushing that above-described embodiment 1-9 is prepared respectively is in six faces of intensity item；It is subsequently placed in burningIn freezing of a furnace, it is sintered under the conditions of 1530 DEG C；Mechanics properties testing finally is carried out to by sintered intensity item, obtains at 3 points and resistsCurved intensity results are as shown in table 1.
Three, above-described embodiment 1-9 dummy being prepared is worn over above black abutment respectively, from apparently seeing toothWhether the color of abutment is permeated, and the results are shown in Table 1.
Table 1
It can obviously be learnt by above-mentioned data: compared to control group, screening color liquid energy that 1-9 of the embodiment of the present invention is preparedThe light transmittance of dental zirconium oxide ceramic material is enough significantly reduced, so that the dental prosthesis light transmittance formed reduces, so as toThe color of abutment is avoided to influence whole aesthetics through dental prosthesis；The screening that 1-9 of the embodiment of the present invention is preparedColor liquid is applied to the dental prosthesis three-point bending resistance intensity still with higher that dental zirconium oxide ceramics obtain, and illustrates the present inventionThe screening color liquid being prepared will not influence the service performance of dental zirconium oxide ceramics in use.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with otherThe difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodimentFor, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method partIt is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined hereinGeneral Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the inventionIt is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase oneThe widest scope of cause.