CN113081346A

CN113081346A - Antibacterial wear-resistant false tooth and preparation method thereof

Info

Publication number: CN113081346A
Application number: CN202110506449.5A
Authority: CN
Inventors: 郭科宏
Original assignee: Shenzhen Yinuo Dental Technology Co ltd
Current assignee: Shenzhen Yinuo Dental Technology Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-07-09

Abstract

The invention relates to the technical field of false teeth, in particular to an antibacterial wear-resistant false tooth and a preparation method thereof, wherein the antibacterial wear-resistant false tooth comprises a metal bracket, a false tooth body and a movable column, wherein the top of the metal bracket is provided with a plurality of mounting grooves, an inner groove is arranged inside the metal bracket and in front of the mounting grooves, and the movable column penetrates through the metal bracket and is connected with the inner wall of the penetrating part in a sliding manner; the artificial tooth fixing device has the advantages that the artificial teeth are fixed through the bracket, the single artificial tooth is convenient to disassemble and assemble, convenience is brought to cleaning and maintenance work, the abrasion resistance and the antibacterial property of the artificial tooth are better, the service life is longer, the problem that once one of the existing artificial teeth is fixed through the titanium wire, other artificial teeth are required to be disassembled once one of the existing artificial teeth is damaged, and further difficulty is brought to disassembling and assembling work is solved, and meanwhile, the conditions that the existing artificial teeth are poor in abrasion resistance and antibacterial property, bacteria are easy to breed in the long-term use process, and the service life is shorter are avoided.

Description

Antibacterial wear-resistant false tooth and preparation method thereof

Technical Field

The invention relates to the technical field of false teeth, in particular to an antibacterial wear-resistant false tooth and a preparation method thereof.

Background

The denture is what is commonly called a "denture". Just like "leg prosthesis" and "prosthetic limb" are referred to as "prosthetic limb", a "denture" means that the human being is "obligated" to the utmost. The medical science is a general term for restorations made after partial or all teeth of the upper and lower jaws are lost. The false tooth repair is divided into a movable false tooth and a fixed false tooth, and the fixed false tooth is divided into an implant false tooth, a pile crown false tooth and a crown sleeve connecting bridge.

The novel composite false tooth comprises a false tooth arranged between two adjacent teeth, a support is arranged between the false tooth and the adjacent teeth, a white gel resin matrix is arranged between the false tooth between the two adjacent teeth, the support is coated in the white gel resin matrix and comprises a metal layer, a resin layer is coated outside the metal layer, the metal layer is provided with an inclined rod fixedly connected with the white gel resin matrix and the false tooth respectively, and one end or two ends of the support are connected with a titanium wire wound with the adjacent teeth; when the denture fixing device is used, the denture is arranged between two adjacent teeth through the support and is fixed through the white coagulated resin matrix and the titanium wire, so that the phenomena of looseness and falling off after the denture is repaired are effectively prevented, and secondary decayed teeth between the repaired denture and the adjacent teeth can be effectively prevented.

However, the above false teeth have defects, when a plurality of teeth are missing, a plurality of false teeth need to be installed, because the titanium wire is wound on the adjacent teeth, if one of the false teeth is damaged, other false teeth need to be detached in a titanium wire fixing mode, and further, the detachment and installation work is difficult, the false teeth are inconvenient to clean and maintain regularly, the wear resistance and the antibacterial property of the false teeth are poor, bacteria are easy to grow in the long-term use process, the service life is short, therefore, an antibacterial wear-resistant false tooth which is fixed by a bracket and convenient to detach and install a single false tooth is provided, the wear resistance and the antibacterial property are better, and the service life is longer, so that the problem is solved.

Disclosure of Invention

The invention aims to provide an antibacterial wear-resistant denture and a preparation method thereof, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an antibacterial wear-resistant false tooth comprises a metal bracket, a false tooth body and a movable column, wherein the top of the metal bracket is provided with a plurality of mounting grooves, an inner groove is formed in the metal bracket and positioned in front of the mounting grooves, the movable column penetrates through the metal bracket and is in sliding connection with the inner wall of the penetrating part of the movable column, the front end of the movable column is provided with a pulling plate, the front of the pulling plate is provided with a groove, a semi-cylinder is arranged in the groove, the front of the metal bracket is provided with a plurality of placing grooves, a movable plate is arranged in the inner groove and is in sliding connection with the inner wall of the inner groove, the movable column penetrates through the movable plate and is mutually fixed with the movable plate, a plurality of compression springs are arranged on the front of the movable plate, the other ends of the compression springs are fixedly arranged with the inner wall of the inner groove, a mounting block is arranged at the bottom of, the artificial tooth body comprises a wear-resistant layer, an antibacterial layer and a base material layer, the antibacterial layer is in contact with the surface of the base material layer, the wear-resistant layer is arranged on one side, away from the base material layer, of the antibacterial layer, and the material components of the base material layer are aluminum oxide, yttrium oxide, an allicin extracting solution, a dispersing agent, a plasticizer, a water-soluble binder, nano silver powder, denture water, an antibacterial agent and carbon nanofibers.

Preferably, the material weight parts of the base material layer are 0.2-0.5 part of aluminum oxide, 3-6 parts of yttrium oxide, 0.4-1 part of allicin extracting solution, 0.4-0.6 part of dispersing agent, 0.1-0.5 part of plasticizer, 1.5-3.5 parts of water-soluble binder, 5-10 parts of nano silver powder, 55-70 parts of denture powder, 25-30 parts of denture water, 15-20 parts of antibacterial agent and 6-12 parts of carbon nanofiber.

Preferably, the dispersant is any one of polyacrylamide, absolute ethyl alcohol, stearic acid or triethylhexylphosphoric acid, and the water-soluble binder is any one of polyethylene oxide, methyl cellulose, polyvinyl alcohol or xanthan gum.

Preferably, the antibacterial agent is a food-grade plastic antibacterial agent, and the plasticizer is phthalate.

Preferably, the bottom of the denture body is provided with a first sealing layer, and the back of the pulling plate is provided with a second sealing layer.

Preferably, the thickness of the first sealing layer is 0.8-2mm, the thickness of the first sealing layer is larger than that of the second sealing layer, and the first sealing layer and the second sealing layer are both made of PE (polyethylene) impermeable materials.

Preferably, the bottom of the denture body is provided with a vertical groove, the top of the metal bracket is positioned in front of the mounting groove, and is provided with a vertical block, the vertical groove extends to the surface of the bottom of the first sealing layer, and the vertical block is movably connected with the inner wall of the vertical groove.

Preferably, the front side and the rear side of the top of the metal bracket are both provided with a limiting strip, and the top of the limiting strip is arc-shaped.

Preferably, the wear-resistant layer is made of a thermoplastic polyurethane elastomer material, and the antibacterial layer is made of antibacterial fibers.

A preparation method of an antibacterial wear-resistant denture comprises the following steps:

s1: taking aluminum oxide, yttrium oxide, an allicin extracting solution, a plasticizer, a water-soluble binder, nano silver powder, denture water, an antibacterial agent and carbon nanofibers according to parts by weight, pouring the aluminum oxide, the yttrium oxide, the nano silver powder, the denture powder, the carbon nanofibers and the antibacterial agent into a ball mill for grinding for 3-5 hours, and obtaining a mixture A after grinding is finished;

s2: pouring the mixture A and denture water into a crucible for heating and stirring, wherein the heating temperature is 1800-2000 ℃, the heating time is 1.5-2.5h, after the heating is finished, cooling to 40-60 ℃, sequentially adding an allicin extracting solution, a plasticizer and a water-soluble binder, and continuously stirring for 1.8-2.5h to obtain a mixture B after the stirring is finished;

s3: and putting the mixture B into a mold, carrying out vacuum drying for 2-3h to obtain a base material, sequentially adhering the antibacterial fiber and the thermoplastic polyurethane elastomer material on the surface of the base material, putting the base material into the mold, heating, and cooling to obtain the antibacterial wear-resistant denture.

Compared with the prior art, the invention has the following beneficial effects:

the artificial tooth fixing device has the advantages that the artificial teeth are fixed through the bracket, the single artificial tooth is convenient to disassemble and assemble, convenience is brought to cleaning and maintenance work, the abrasion resistance and the antibacterial property of the artificial tooth are better, the service life is longer, the problem that once one of the existing artificial teeth is fixed through the titanium wire, other artificial teeth are required to be disassembled once one of the existing artificial teeth is damaged, and further difficulty is brought to disassembling and assembling work is solved, and meanwhile, the conditions that the existing artificial teeth are poor in abrasion resistance and antibacterial property, bacteria are easy to breed in the long-term use process, and the service life is shorter are avoided.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a right side sectional view of the structure of the present invention;

FIG. 3 is a schematic view of a denture body according to the present invention;

FIG. 4 is a schematic flow chart of the method of the present invention.

In the figure: 1. a metal bracket; 2. mounting grooves; 3. an inner tank; 4. a denture body; 41. a substrate layer; 42. an antimicrobial layer; 43. a wear layer; 5. a movable post; 6. pulling a plate; 7. a groove; 8. a semi-cylinder; 9. a placement groove; 10. a movable plate; 11. a compression spring; 12. mounting blocks; 13. a through hole; 14. a vertical block; 15. a vertical groove; 16. a limiting strip; 17. a first sealing layer; 18. a second sealing layer; 19. a magnet; 20. and fixing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an antibacterial wear-resistant denture comprises a metal bracket 1, a denture body 4 and a movable post 5, wherein the top of the metal bracket 1 is provided with a plurality of mounting grooves 2, an inner groove 3 is arranged in the metal bracket 1 and in front of the mounting grooves 2, the movable post 5 penetrates through the metal bracket 1 and is slidably connected with the inner wall of the penetrating part, the front end of the movable post 5 is provided with a pulling plate 6, the front surface of the pulling plate 6 is provided with a groove 7, the inside of the groove 7 is provided with a semi-cylinder 8, the front surface of the metal bracket 1 is provided with a plurality of placing grooves 9, the inside of the inner groove 3 is provided with a movable plate 10, the movable plate 10 is slidably connected with the inner wall of the inner groove 3, the movable post 5 penetrates through the movable plate 10 and is fixed with the movable plate 10, the front surface of the movable plate 10 is provided with, the denture comprises a denture body 4, a mounting block 12 is arranged at the bottom of the denture body 4, a through hole 13 matched with a movable column 5 for use is arranged on the surface of the mounting block 12 in a penetrating way, the denture body 4 is composed of a wear-resistant layer 43, an antibacterial layer 42 and a base material layer 41, the antibacterial layer 42 is in mutual contact with the surface of the base material layer 41, the wear-resistant layer 43 is arranged on one side of the antibacterial layer 42 far away from the base material layer 41, the base material layer 41 is made of aluminum oxide, yttrium oxide, an allicin extracting solution, a dispersing agent, a plasticizer, a water-soluble binder, nano silver powder, denture water, an antibacterial agent and carbon nanofiber, the denture is fixed through a bracket and is convenient to disassemble and assemble, convenience is brought to cleaning and maintenance work, the denture has better wear resistance and antibacterial property and longer service life, the problem that once one of the dentures is, need all dismantle other artificial teeth, and then bring the problem of difficulty for dismantling the installation work, avoided some artificial teeth wearability and bacterinertness of current not good enough simultaneously, easily breed the bacterium in long-term use, situation that life is shorter.

In this embodiment, the material weight parts of the substrate layer 41 are 0.2 part of alumina, 3 parts of yttrium oxide, 0.4 part of an allicin extract, 0.4 part of a dispersant, 0.1 part of a plasticizer, 1.5 parts of a water-soluble binder, 5 parts of nano silver powder, 55 parts of denture powder, 25 parts of denture water, 15 parts of an antibacterial agent and 6 parts of carbon nanofibers.

In this embodiment, the dispersant is any one of polyacrylamide, absolute ethyl alcohol, stearic acid or triethylhexyl phosphoric acid, the water-soluble binder is any one of polyethylene oxide, methylcellulose, polyvinyl alcohol or xanthan gum, the dispersant promotes material particles to be uniformly dispersed in the medium, and is helpful for fully mixing raw materials, the water-soluble binder can improve the adhesive strength between different material molecules, and the connection between different materials is firmer, and is helpful for improving the strength of the base material.

In the embodiment, the antibacterial agent is a food-grade plastic antibacterial agent, the plasticizer is phthalate, the antibacterial agent can improve the antibacterial effect of the denture, and the plasticizer is an important chemical product additive and is generally applied to materials such as plastic products, concrete, mud ash, cement, gypsum, cosmetics, cleaning agents and the like as an auxiliary agent, so that the plasticity of the materials is improved, and the strength of the plastic is improved.

In this embodiment, the first sealing layer 17 is disposed at the bottom of the denture body 4, the second sealing layer 18 is disposed on the back surface of the pull plate 6, and by the disposition of the first sealing layer 17 and the second sealing layer 18, after the denture body 4 and the metal bracket 1 are fixed to each other, the first sealing layer 17 can seal the mounting groove 2, and the second sealing layer 18 can seal the placement groove 9, so as to prevent food residues or aqueous solution from entering the metal bracket 1 during the process of eating or drinking water by a user.

In this embodiment, the thickness of the first sealing layer 17 is 0.8-2mm, the thickness of the first sealing layer 17 is greater than that of the second sealing layer 18, and the first sealing layer 17 and the second sealing layer 18 are made of PE impermeable materials.

In this embodiment, vertical groove 15 has been seted up to the bottom of artificial tooth body 4, and vertical piece 14 is installed at the top of metal bracket 1 and the place ahead that is located mounting groove 2, and vertical groove 15 extends to the surface of first sealing layer 17 bottom, and the inner wall swing joint of vertical piece 14 and vertical groove 15, and through the setting of vertical groove 15 and vertical piece 14, their cooperation is used and can be carried out auxiliary fixation to artificial tooth body 4, increases the fastness of fixing between artificial tooth body 4 and the metal bracket 1.

In this embodiment, the front and rear sides of the top of the metal bracket 1 are both provided with the limiting strips 16, the top of the limiting strips 16 is arc-shaped, and the limiting strips 16 can limit the front and rear positions of the denture body 4 and assist in supporting the denture body 4 by the arrangement of the limiting strips 16, so that the denture body 4 and the mounting block 12 are prevented from being broken due to the forward or backward force often applied to the denture body 4 during use.

In this embodiment, the fixed slot 20 has been seted up to the inside back of mounting groove 2, and the internally mounted of fixed slot 20 has magnet 19, and the activity post 5 is made for the steel material, through the setting of fixed slot 20 and magnet 19, passes through-hole 13 at activity post 5 and fixes the denture, and magnet 19 can adsorb activity post 5, prevents that it from appearing removing and causing the fixed appearance not hard up, has improved the fastness of fixing between denture body 4 and the metal bracket 1.

In this embodiment, the wear-resistant layer 43 is made of a thermoplastic polyurethane elastomer material, the antibacterial layer 42 is made of an antibacterial fiber, and the thermoplastic polyurethane elastomer material has excellent comprehensive properties such as high strength, high toughness, wear resistance, oil resistance and the like, so that the wear resistance of the denture is effectively improved, meanwhile, the antibacterial fiber can effectively inhibit the breeding of bacteria, and the antibacterial property of the denture is increased.

s2: pouring the mixture A and denture water into a crucible for heating and stirring, wherein the heating temperature is 1900 ℃, the heating time is 1.5h, after the heating is finished, when the mixture is cooled to 40 ℃, the allicin extracting solution, the plasticizer and the water-soluble binder are sequentially added, and the mixture B is obtained after the stirring is finished;

s3: and putting the mixture B into a mold, carrying out vacuum drying for 2h to obtain a base material, sequentially adhering the antibacterial fiber and the thermoplastic polyurethane elastomer material on the surface of the base material, putting the base material into the mold, heating, and cooling to obtain the antibacterial wear-resistant denture.

The working principle is as follows: in the installation process, the semi-cylindrical 8 is hooked by a hook-shaped tool, then the pulling plate 6 is pulled to move forwards, the pulling plate 6 drives the movable column 5 and the movable plate 10 to move together, the compression spring 11 is in a compression state, then the denture body 4 is clamped by tweezers, the denture body 4 is moved, the installation block 12 is aligned with the installation groove 2, then the denture body 4 is put down, the installation block 12 enters the installation groove 2, meanwhile, the pulling plate 6 is loosened, the pulling plate 6, the movable plate 10 and the movable column 5 move backwards under the reaction force of the compression spring 11, then the movable column 5 penetrates through the through hole 13 and enters the fixing groove 20, at the moment, the denture body 4 and the metal bracket 1 are fixed with each other, and meanwhile, the pulling plate 6 enters the placing groove 9; in the dismantlement in-process, the instrument through colluding the form catches on semi-cylinder 8, then the pulling plate 6 moves forward, break away from the inside of through-hole 13 until activity post 5, take off artificial tooth body 4 through tweezers this moment can, whole process makes things convenient for the single artificial tooth of dismouting, for washing, maintenance work has brought the facility, simultaneously through wearing layer 43 and antibacterial layer 42's setting, they can provide wear-resisting and antibiotic protection for it in the outside of artificial tooth body 4, contain antibacterial agent in the artificial tooth simultaneously, antibacterial materials such as nanometer silver powder and garlicin extract, promote the bacterinertness of this artificial tooth by a wide margin, effectively restrain breeding of bacterium.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an antibiotic wear and tear artificial tooth, includes metal bracket (1), artificial tooth body (4) and activity post (5), its characterized in that: the top of the metal bracket (1) is provided with a plurality of mounting grooves (2), an inner groove (3) is arranged in the metal bracket (1) and in front of the mounting grooves (2), the movable column (5) penetrates through the metal bracket (1) and is in sliding connection with the inner wall of the penetrating part, the front end of the movable column (5) is provided with a pulling plate (6), the front of the pulling plate (6) is provided with a groove (7), the inside of the groove (7) is provided with a semi-cylinder (8), the front of the metal bracket (1) is provided with a plurality of placing grooves (9), the inside of the inner groove (3) is provided with a movable plate (10), the movable plate (10) is in sliding connection with the inner wall of the inner groove (3), the movable column (5) penetrates through the movable plate (10) and is mutually fixed with the movable plate, the front of the movable plate (10) is provided with a plurality of, and the other end of compression spring (11) and the inner wall fixed mounting of inside groove (3), the bottom of artificial tooth body (4) is provided with installation piece (12), the surface of installation piece (12) runs through set up with through-hole (13) that movable post (5) cooperation was used, artificial tooth body (4) comprises wearing layer (43), antibiotic layer (42) and substrate layer (41), the surface of antibiotic layer (42) and substrate layer (41) contacts each other, wearing layer (43) set up in antibiotic layer (42) one side of keeping away from substrate layer (41), the material composition of substrate layer (41) divide into aluminium oxide, yttrium oxide, garlicin extract, dispersant, plasticizer, water-soluble binder, nanometer silver powder, denture fixing water, antibacterial agent and carbon nanofiber.

2. An antibacterial wear-resistant denture according to claim 1, wherein: the material weight portion of the substrate layer (41) is 0.2-0.5 portion of alumina, 3-6 portions of yttrium oxide, 0.4-1 portion of garlicin extract, 0.4-0.6 portion of dispersant, 0.1-0.5 portion of plasticizer, 1.5-3.5 portions of water-soluble binder, 5-10 portions of nano silver powder, 55-70 portions of denture powder, 25-30 portions of denture water, 15-20 portions of antibacterial agent and 6-12 portions of carbon nano fiber.

3. An antibacterial wear-resistant denture according to claim 1, wherein: the dispersing agent is any one of polyacrylamide, absolute ethyl alcohol, stearic acid or triethylhexylphosphoric acid, and the water-soluble binder is any one of polyethylene oxide, methyl cellulose, polyvinyl alcohol or xanthan gum.

4. An antibacterial wear-resistant denture according to claim 1, wherein: the antibacterial agent is a food-grade plastic antibacterial agent, and the plasticizer is phthalate.

5. An antibacterial wear-resistant denture according to claim 1, wherein: the false tooth comprises a false tooth body (4) and is characterized in that a first sealing layer (17) is arranged at the bottom of the false tooth body (4), and a second sealing layer (18) is arranged on the back of a pulling plate (6).

6. An antibacterial, wear-resistant denture according to claim 5, wherein: the thickness of the first sealing layer (17) is 0.8-2mm, the thickness of the first sealing layer (17) is larger than that of the second sealing layer (18), and the first sealing layer (17) and the second sealing layer (18) are made of PE (polyethylene) impermeable materials.

7. An antibacterial, wear-resistant denture according to claim 6, wherein: vertical groove (15) have been seted up to the bottom of artificial tooth body (4), vertical piece (14) are installed at the top of metal bracket (1) and the place ahead that is located mounting groove (2), vertical groove (15) extend to the surface of first sealing layer (17) bottom, and the inner wall swing joint of vertical piece (14) and vertical groove (15).

8. An antibacterial wear-resistant denture according to claim 1, wherein: the metal bracket is characterized in that the front side and the rear side of the top of the metal bracket (1) are respectively provided with a limiting strip (16), and the top of each limiting strip (16) is arc-shaped.

9. An antibacterial wear-resistant denture according to claim 1, wherein: the wear-resistant layer (43) is made of a thermoplastic polyurethane elastomer material, and the antibacterial layer (42) is made of antibacterial fibers.

10. The method for preparing an antibacterial wear-resistant denture according to any one of claims 1 to 9, wherein: the preparation method comprises the following steps: