CN106176252B - A kind of row's gum composite material and preparation method and application - Google Patents
A kind of row's gum composite material and preparation method and application Download PDFInfo
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- CN106176252B CN106176252B CN201610737017.4A CN201610737017A CN106176252B CN 106176252 B CN106176252 B CN 106176252B CN 201610737017 A CN201610737017 A CN 201610737017A CN 106176252 B CN106176252 B CN 106176252B
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Abstract
The present invention provides a kind of row's gum composite material and preparation method and application, row's gum composite material are made of body material and auxiliary material, and the body material is polyurethane and acrylic acid.Polyurethane and acrylic acid combine in row's gum composite material of the invention, the two synergistic effect, both it can polymerize and solidify quickly, so that volume increase is played the role of arranging gum, it can guarantee that arranging gum composite material has suitable hardness again, it avoids generating injury to gum in the curing process, curing time is 8-20min when row's gum composite material of the invention arranges gum, curing time is short, solidifying volume and increasing percentage is 25-37%, it is good to arrange gum effect, gingival recession is uniform, and remaining amount of bleeding and residual saliva amount are unobvious, after taking film in 4-10 hours, gum can restore normal, and it is short using the operating time that the material carries out row's gum, step is simple, it can either skillfully be operated by short time training, it has a good application prospect.
Description
Technical field
The invention belongs to technical field of biological materials, it is related to a kind of row's gum composite material and preparation method and application.
Background technique
Gingival recession, i.e. row's gum problem are the biggest problem that dental prosthetic doctor faces.In clinical stage, dental restortion doctor
Existing form functional artificial tooth again is completed, needs to obtain a perfect artificial tooth stamp, this stamp includes: 1) complete
The standby dissection of tooth；2) tooth for edge correct record；3) duplication of adjacent teeth form；4) duplication of pairing denture；5) periodontal soft tissue
Form duplication；And 6) the form duplication of exposed root of the tooth.In order to meet conditions above, inevitably the gum of patient is moved back
It is reduced to the tooth surface that can expose operating space, this just needs method row that is a kind of convenient, fast and bringing the less pain of patient
Gum.
Currently, the shortcomings that there are many purposes that method can achieve row's gum, but they respectively can not ignore.Example
It such as, is standard method that we continue to use for many years using linear shrinkage gum of shrinking back.Receding line has the size of various thicknesses.Most often
The method used is Double-Line Method (Double-Cord Procedure).Indwelling single line is wet to stop blooding and control.Second line is then
It takes away, leaves processed tissue to allow to do more visible final stamp.However, placing the necessary extreme care of receding line, tooth
Gum group is easy to generate the removing of tissue under the action of being woven in receding line, or even causes the secondary injury of gingiva tissue；Moreover, very
As soon as more secondary injuries after Dental Erosion week after could find, this brings unnecessary fiber crops to patient and doctor
It is tired.
CN105107025A discloses a kind of organic/inorganic composite material and preparation method thereof and the use in artificial tooth production
On the way, the composite material includes theme raw material and auxiliary material, and wherein theme raw material is thermoset acrylics class polymer and zirconium oxide
Ceramic powders, although the material can be used as cartilage, artificial tooth and unstructuredness artificial bone material and use, in dental prosthetic
In can not play a role for arranging gum safely.
Therefore, need in the art at present it is a kind of can safe, efficient row's gum product substitute traditional receding line.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of row's gum composite material and preparation method and
Using.
In order to achieve that object of the invention, the invention adopts the following technical scheme:
On the one hand, the present invention provides a kind of row's gum composite material, and row's gum composite material is by body material and auxiliary material group
At the body material is polyurethane and acrylic acid.
In the present invention, material based on polyurethane and acrylic monomers is selected, is since acrylic acid is in ultraviolet excitation
Lower polymerization is very fast, rapid curing and can generate certain hardness；And volume increases the work of the row's of playing gum in urethane curing process
With, also, polyurethane hardness is smaller, and the two using can both guarantee to arrange gum composite material with suitable hardness, avoids simultaneously
Injury is generated to gum in the curing process.There is better effect relative to polyurethane and acrylic monomers is used alone, two
Person's synergistic effect, row's gum effect of the row's of raising gum composite material.
In the present invention, mass percent of the body material in row's gum composite material is 50-95%, such as
52%, 55%, 58%, 60%, 63%, 65%, 68%, 70%, 73%, 75%, 78%, 80%, 83%, 85%, 88%,
90%, 92% or 94%, preferably 80-90%.
Preferably, in the body material mass ratio of polyurethane and acrylic acid be 1:9-9:1, such as 1:9,1:8,1:7,
1:6、1:5、1:4、1:3、1:2、1:1、2:1、2:3、2:5、2:7、2:9、3:1、3:2、3:4、3:5、3:7、3:8、4:1、4:5、
4:9,5:1,5:3,5:2,5:7,6:1,6:7,7:1,7:2,7:8,8:1,8:3,8:7 or 9:1 etc., preferably 1:1.5-1:4.
It can be made after arranging the solidification of gum composite material by adjusting the ratio of polyurethane and acrylic monomers in the present invention
The gingival retraction paste of different hardness is obtained, in order to enable the gingival retraction paste formed has good row's gum effect, and can be had properly
Hardness with not to gum generate damage, so by the mass ratio of polyurethane and acrylic acid control in 1:9-9:1, in 1:4-2:3
Mass ratio under its effect more.
In the present invention, polyurethane and the control of acrylic monomers total content exist the mass ratio control of the two in 50-95%
1:9-9:1, can the row's of completion gum, when polyurethane and acrylic monomers total content control in 80-90%, by the quality of the two
Than control in 1:4-2:3, it can make to arrange gum composite material and solidify in 10 minutes and reach 30% or so volume and increase width
Degree.When polyurethane and acrylic monomers total content are greater than 50% less than 80%, curing time extends to 12-20 minutes, poly- ammonia
When ester and acrylic monomers total content are less than 50%, row's gum composite material is not all fully cured in 1 hour then；Polyurethane and
When acrylic monomers total content is greater than 95%, then saliva during absorption operation in patient oral cavity or patient's gum can not be caused
Damage.On the other hand, when the mass ratio of two kinds of monomers is higher than 1:9 lower than 1:4, the curing time meeting of gum composite material is arranged
Extended, and its mass ratio is more than 2:3 and when being less than 9:1, although also having row's gum effect, it is small that its volume increases amplitude
It is slightly worse to the effect of effectively shrinking back of gum in 30%, therefore preferred polyurethane and acrylic monomers total content 80- in the present invention
90%, preferably polyurethane and acrylic monomers mass ratio 1:4-2:3.
Preferably, in row's gum composite material of the invention, the auxiliary material includes astringent, hygroscopic agent or surfactant
In any one or at least two combination.
Preferably, the astringent is aluminum aluminum sulfate.The aluminum aluminum sulfate had both had astriction or had had anastalsis,
Anastalsis can be played in gum composite material for arranging.
Preferably, astringent mass percent shared in row's gum composite material is 5-45%, such as 6%,
8%, 10%, 12%, 15%, 18%, 20%, 23%, 25%, 28%, 30%, 33%, 35%, 38%, 40%, 42% or
44%, preferably 5-10%.
Preferably, the hygroscopic agent is hydroxymethyl cellulose.
Preferably, hygroscopic agent mass percent shared in row's gum composite material is 5-45%, such as 6%,
8%, 10%, 12%, 15%, 18%, 20%, 23%, 25%, 28%, 30%, 33%, 35%, 38%, 40%, 42% or
44%, preferably 5-10%.
Preferably, the surfactant is any one in lauryl sodium sulfate, stearic acid or polysorbate
Or at least two combination.
Preferably, surfactant mass percent shared in row's gum composite material is 0.1-5%, such as
0.2%, 0.3%, 0.5%, 0.8%, 1%, 1.2%, 1.5%, 1.7%, 2%, 2.5%, 3%, 3.5%, 3.8%, 4%,
4.3%, 4.5% or 4.8%.
Preferably, auxiliary material used in row's gum composite material further includes emulsifier, can be in row's gum composite material
Food grade emulsifier is added, improves organic and inorganic component compatibility in row's gum composite material.Those skilled in the art can be with
It is selected, is not particularly limited herein according to actual needs.
On the other hand, the present invention provides the preparation method of row's gum composite material as described in relation to the first aspect, row's gums
Composite material is to be uniformly mixed body material and auxiliary material to obtain.
On the other hand, the present invention provides a kind of gingival retraction paste, and the gingival retraction paste is row's gum as described in first aspect present invention
What composite material polymerize and solidified under ultraviolet light.
Preferably, the time of the ultraviolet light is 10-15 seconds, such as 10 seconds, 11 seconds, 12 seconds, 13 seconds, 14 seconds or 15
Second.
Row's gum is carried out using row's gum composite material by the following method in the present invention, specifically includes the following steps:
(1) general injection expects pipe is used, row's gum composite material is equably expressed into tooth basal plane and is contacted with gum
Position, and make to arrange gum composite material around tooth one week (note: not apply any pressure to gum with syringe needle in the process)；
(2) it is placed in light-initiated ultraviolet lamp cap, irradiation row gum composite material 10-15 seconds in the patient's mouth；
(3) so that patient is bitten moisturizing sliver avoids its hetero-organization in oral cavity from touching row's gum composite material；
(4) it waits 8-15 minutes, makes to arrange the fully reacting of gum composite material, the gingival retraction paste carefully being had been cured with tweezers
Prolong tooth direction to remove, the row's of completion gum.
On the other hand, the application the present invention provides row's gum composite material in manufacture artificial tooth model.
On the other hand, the present invention provides row's gum composite materials to prepare the application in dentures repai material.
Compared with the existing technology, the invention has the following advantages:
Polyurethane and acrylic acid combine in row's gum composite material of the invention, and the two synergistic effect can both gather quickly
It closes and solidification avoids so that volume increase is played the role of arranging gum, and can guarantee that row's gum composite material has suitable hardness
Injury is generated to gum in the curing process, curing time is 8-20min when row's gum composite material of the invention arranges gum, when solidification
Between it is short, it is 25-37% that solidification volume, which increases percentage, and row's gum effect is good, and gingival recession is uniform, and remaining amount of bleeding and remnants
Saliva amount it is unobvious, after taking film in 4-10 hour, gum can restore normally, and using the material carry out arrange gum operation when
Between it is short, step is simple, can either skillfully be operated, be had a good application prospect by short time training.
Detailed description of the invention
Fig. 1 is the gingival retraction paste formed after row's gum composite material of the present invention solidifies.
Specific embodiment
The technical scheme of the invention is further explained by means of specific implementation.Those skilled in the art should be bright
, the described embodiments are merely helpful in understanding the present invention, should not be regarded as a specific limitation of the invention.
Embodiment 1
In the present embodiment, row's gum composite material is prepared by the raw material of following mass percent:
Above each raw material is uniformly mixed and obtains row's gum composite material.
Embodiment 2
In the present embodiment, row's gum composite material is prepared by the raw material of following mass percent:
Above each raw material is uniformly mixed and obtains row's gum composite material.
Embodiment 3
In the present embodiment, row's gum composite material is prepared by the raw material of following mass percent:
Above each raw material is uniformly mixed and obtains row's gum composite material.
Embodiment 4
In the present embodiment, row's gum composite material is prepared by the raw material of following mass percent:
Above each raw material is uniformly mixed and obtains row's gum composite material.
Embodiment 5
In the present embodiment, row's gum composite material is prepared by the raw material of following mass percent:
Above each raw material is uniformly mixed and obtains row's gum composite material.
Embodiment 6
In the present embodiment, row's gum composite material is prepared by the raw material of following mass percent:
Embodiment 7
In the present embodiment, row's gum composite material is prepared by the raw material of following mass percent:
Above each raw material is uniformly mixed and obtains row's gum composite material.
Comparative example 1
The comparative example difference from Example 1 is only that arranging in the raw material of gum composite material does not include polyurethane, propylene
The dosage of acid is 85%, remaining raw material and raw material dosage are same as Example 1.
Comparative example 2
The comparative example difference from Example 1 is only that arranging in the raw material of gum composite material does not include acrylic acid, poly- ammonia
The dosage of ester is 85%, remaining raw material and raw material dosage are same as Example 1.
Comparative example 3
The comparative example difference from Example 1 is only that, arranges polyurethane and acrylic acid in the raw material of gum composite material
Mass ratio is about 10:1, i.e., polyurethane mass percent is 77.27%, and acrylic acid mass percent is 7.73%, remaining raw material
It is same as Example 1 with raw material dosage.
Comparative example 4
The comparative example difference from Example 6 is only that, arranges polyurethane and acrylic acid in the raw material of gum composite material
Mass ratio is about 1:10, i.e., polyurethane mass percent be 8.17%, acrylic acid mass percent be 81.73, remaining raw material with
Raw material dosage is same as Example 6.
Comparative example 5
The comparative example difference from Example 1 is only that the dosage of aluminum aluminum sulfate is 4%, the use of hydroxymethyl cellulose
Amount is 10.5%, remaining raw material and raw material dosage are same as Example 1.
Comparative example 6
The comparative example difference from Example 1 is only that the dosage of hydroxymethyl cellulose is 4%, the use of aluminum aluminum sulfate
Amount is 10.5%, remaining raw material and raw material dosage are same as Example 1.
The composite material being prepared respectively using embodiment 1-7 and comparative example 1-6 is to the patient for needing dental prosthetic
Carry out row's gum, the method is as follows:
(1) general injection expects pipe is used, row's gum composite material is equably expressed into tooth basal plane and is contacted with gum
Position, and make to arrange gum composite material around tooth one week (note: not apply any pressure to gum with syringe needle in the process)；
(2) it is placed in light-initiated ultraviolet lamp cap, irradiation row gum composite material 10-15 seconds in the patient's mouth；
(3) so that patient is bitten moisturizing sliver avoids its hetero-organization in oral cavity from touching row's gum composite material；
(4) certain time is waited, makes to arrange the fully reacting of gum composite material, the gingival retraction paste carefully being had been cured with tweezers
Prolong tooth direction to remove, the row's of completion gum.
The curing time of composite material in above-mentioned experiment is recorded, and the row's of observation gum effect (increases percentage to solidify volume
Indicate), remaining amount of bleeding and residual saliva amount, and when recording gingival retraction paste and prolonging tooth direction and remove rear gum and restore normal
Between, the results are shown in Table 1.
Table 1
As can be seen from Table 1, curing time is 8-20min when row's gum composite material of the invention arranges gum, and curing time is short,
Solidifying volume and increasing percentage is 25-37%, and row's gum effect is good, and remaining amount of bleeding and residual saliva amount are unobvious, and
It takes after film in 4-10 hours, gum can restore normal；And if not using polyurethane (comparative example 1) or acrylic acid (comparative example 2),
Then can be extended curing time, row's gum significant effect is deteriorated, and will cause the injury to gum, and causes bleeding obvious,
Gum after film is taken to need nearly one week could restore normal.If the aluminum aluminum sulfate or hydroxylmethyl cellulose cellulose content that use are very few (right
Ratio 5 and remaining amount of bleeding or residual saliva amount 6) will be will affect, and can also make that gum after film is taken to restore the normal time
It is elongated.And when the mass ratio of polyurethane and acrylic monomers is greater than 9:1 or is less than 1:9 (comparative example 3 and 4), it will be so that solidification
Time extends, and arranges gum significant effect variation, will cause the injury to gum, causes bleeding obvious, takes gum needs after film
It could restore within one week normal.
After completing above-mentioned row's gum operation, the gingival retraction paste after solidifying is removed, using the available reparation mould of secondary impression method
Type can be used for manufacturing artificial tooth model or dentures repai material.
The Applicant declares that the present invention is explained by the above embodiments row's gum composite material and preparation method of the invention
And application, but the present invention is not limited to the above embodiments, that is, it is real not mean that the present invention must rely on above-described embodiment ability
It applies.It should be clear to those skilled in the art, any improvement in the present invention, to the equivalent of raw material selected by the present invention
Replacement and addition, the selection of concrete mode of auxiliary element etc., all of which fall within the scope of protection and disclosure of the present invention.
Claims (18)
1. a kind of row's gum composite material, which is characterized in that row's gum composite material is made of body material and auxiliary material, the master
Body raw material is polyurethane and acrylic acid；Mass percent of the body material in row's gum composite material is 50-95%；It is described
The mass ratio of polyurethane and acrylic acid is 1:9-9:1 in body material.
2. row's gum composite material according to claim 1, which is characterized in that the body material is in row's gum composite material
Mass percent be 80-90%.
3. row's gum composite material according to claim 1, which is characterized in that polyurethane and acrylic acid in the body material
Mass ratio be 1:4-2:3.
4. row's gum composite material according to claim 1, which is characterized in that the auxiliary material include astringent, hygroscopic agent or
In surfactant any one or at least two combination.
5. row's gum composite material according to claim 4, which is characterized in that the auxiliary material is astringent, hygroscopic agent and table
The combination of face activating agent.
6. row's gum composite material according to claim 4, which is characterized in that the astringent is aluminum aluminum sulfate.
7. row's gum composite material according to claim 4, which is characterized in that astringent institute in row's gum composite material
The mass percent accounted for is 5-45%.
8. row's gum composite material according to claim 4, which is characterized in that the hygroscopic agent is hydroxymethyl cellulose.
9. row's gum composite material according to claim 4, which is characterized in that hygroscopic agent institute in row's gum composite material
The mass percent accounted for is 5-45%.
10. row's gum composite material according to claim 9, which is characterized in that the hygroscopic agent is in row's gum composite material
Shared mass percent is 5-10%.
11. row's gum composite material according to claim 4, which is characterized in that the surfactant is dodecyl sulphur
In sour sodium, stearic acid or polysorbate any one or at least two combination.
12. row's gum composite material according to claim 4, which is characterized in that the surfactant is in row's gum composite wood
Shared mass percent is 0.1-5% in material.
13. row's gum composite material according to claim 1, which is characterized in that auxiliary material used in row's gum composite material is also
Including emulsifier.
14. the preparation method of row's gum composite material according to claim 1 to 13, which is characterized in that described to incite somebody to action
Body material and auxiliary material, which are uniformly mixed, obtains row's gum composite material.
15. a kind of gingival retraction paste, which is characterized in that the gingival retraction paste is answered by row's gum such as of any of claims 1-13
What condensation material polymerize and solidified under ultraviolet light.
16. gingival retraction paste according to claim 15, which is characterized in that the time of the ultraviolet light is 10-15 seconds.
17. application of the row's gum composite material according to claim 1 to 13 in manufacture artificial tooth model.
18. row's gum composite material according to claim 1 to 13 is preparing the application in dentures repai material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610737017.4A CN106176252B (en) | 2016-08-26 | 2016-08-26 | A kind of row's gum composite material and preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610737017.4A CN106176252B (en) | 2016-08-26 | 2016-08-26 | A kind of row's gum composite material and preparation method and application |
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| CN106176252B true CN106176252B (en) | 2019-03-22 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057000A (en) * | 1990-06-07 | 1991-12-18 | 拜尔公司 | Photosetting impression materials |
| DE102013108462A1 (en) * | 2013-08-06 | 2015-02-12 | Hans Hermann Schulz | Light-curing retraction agent for dentistry |
-
2016
- 2016-08-26 CN CN201610737017.4A patent/CN106176252B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057000A (en) * | 1990-06-07 | 1991-12-18 | 拜尔公司 | Photosetting impression materials |
| DE102013108462A1 (en) * | 2013-08-06 | 2015-02-12 | Hans Hermann Schulz | Light-curing retraction agent for dentistry |
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| Publication number | Publication date |
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| CN106176252A (en) | 2016-12-07 |
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