CN213941023U - Partial denture with liner - Google Patents

Abstract

The utility model discloses a local artificial tooth with liner, include: the artificial tooth is arranged on the base, the part of the base, which is in surface contact with the soft tissue of the oral cavity, is provided with the liner, and the retention device is arranged inside one side of the artificial tooth, which is in contact with the base. The part of the base, which is in contact with the oral cavity soft tissue, is provided with the liner, so that the pressure on the alveolar ridge can be reduced, the buffering effect is achieved, the pressure pain feeling is reduced, the patient can wear the artificial tooth more comfortably, the medical treatment times are reduced, the fixing device is arranged on the artificial tooth, the swing of the partial false tooth is reduced, the appearance of the partial false tooth is fused with the oral cavity, and the artificial tooth is very attractive.

Description

Partial denture with liner

Technical Field

The utility model relates to a local artificial tooth technical field, more specifically says, the utility model relates to a local artificial tooth with liner.

Background

The removable partial denture is a prosthesis which can be automatically removed and worn by a patient and is used for partial tooth loss. The removable partial denture is mainly fixed by fixing devices such as clasps fixed on the remaining natural teeth; replacing lost natural teeth with artificial teeth; the alveolar bone recovered and absorbed by the base is adopted, and the parts are connected by a large connector to form a whole; the natural teeth and the residual alveolar ridges in the edentulous area are used as supports to restore the anatomical morphology and physiological functions of the edentulous teeth and the peripheral defected tissues thereof. At present, the long-term dentition defect of a patient caused by various reasons is caused, alveolar ridge mucosa becomes thin, alveolar bone absorption is uneven, and apophyseal spur is generated at the top of the alveolar ridge. The alveolar ridge is a main supporting area of a removable partial denture, and the traditional denture base is made of hard material and cannot buffer the occlusion pressure of the alveolar bone during chewing; if the bony spur exists, pressure pain is generated during chewing, and the food intake of a patient is influenced; often, the buffer is grinded after the patient needs to see a doctor for a plurality of times until the buffer is proper, and the times of the patient seeing a doctor are increased. Therefore, there is a need for a partial denture with a pad that at least partially solves the problems of the prior art.

SUMMERY OF THE UTILITY MODEL

In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content does not imply any attempt to define the essential features and essential features of the claimed solution, nor is it implied to be intended to define the scope of the claimed solution.

To solve the above problems, the present invention provides a partial denture with a pad, comprising: the artificial tooth is arranged on the base, the part of the base, which is in surface contact with the soft tissue of the oral cavity, is provided with the liner, and the retention device is arranged inside one side of the artificial tooth, which is in contact with the base.

Preferably, the thickness of the pad is 1mm to 2 mm.

Preferably, the pad is made of soft silicone material.

Preferably, the retention device includes a sleeve, a spring, and a retention portion, the sleeve is embedded in one side of the artificial tooth, one end of the spring is connected to the bottom of the sleeve, and the other end of the spring is connected to the retention portion.

Preferably, the fixing part comprises a connecting part and a limiting cylinder, the spring penetrates through one end of the limiting cylinder to be connected with one end of the connecting part, and the other end of the limiting cylinder is connected with the connecting part.

Preferably, four sliders are evenly distributed on the outer peripheral wall of the limiting cylinder along the circumferential direction of the limiting cylinder, and four sliding grooves corresponding to the sliders are evenly distributed on the inner peripheral wall of the sleeve along the circumferential direction of the sleeve.

Preferably, one end of the connecting part is a hemispherical cambered surface, and the center of the other end is connected with the spring.

Preferably, the hemispherical cambered surface of the connecting part is a magnetic body, a hemispherical boss corresponding to the hemispherical cambered surface is arranged on one side of the abutment adjacent to the artificial tooth, and the hemispherical boss and the hemispherical cambered surface are mutually adsorbed.

Preferably, the outer diameter of the connecting part is not larger than the outer diameter of the limiting cylinder, and the outer diameter of the limiting cylinder corresponds to the inner diameter of the sleeve.

Compared with the prior art, the utility model discloses at least, including following beneficial effect:

a local artificial tooth with liner on the base be equipped with the liner with the part of oral cavity soft tissue contact, the pressure that reducible alveolar ridge received plays the cushioning effect, reduces and presses the painful sense, makes the patient wear more comfortable, has reduced the number of times of seeking medical advice to be equipped with the maintenance device on the artificial tooth and reduced the swing of local artificial tooth, the outward appearance of local artificial tooth fuses with the oral cavity mutually, and is very pleasing to the eye.

Other advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the internal structure of a partial denture with a pad according to the present invention.

Fig. 2 is a schematic view of a retention device for a partial denture with a pad according to the present invention.

1 is a base, 2 is an artificial tooth, 3 is a liner, 4 is a retention device, 4-1 is a sleeve, b is a chute, 4-2 is a spring, 4-3 is a retention part, 4-3-1 is a connecting part, c is a hemispherical cambered surface, 4-3-2 is a limiting cylinder, a is a sliding block, 5 is a natural tooth, and d is a hemispherical boss.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 to 2, the present invention provides a partial denture with a pad, comprising: the artificial tooth is characterized by comprising a base 1, artificial teeth 2, a liner 3 and a retention device 4, wherein the artificial teeth 2 are arranged on the base 1, the liner 3 is arranged on the part, in contact with the oral soft tissue surface, of the base 1, and the retention device 4 is arranged inside one side, in contact with natural teeth 5, of the artificial teeth 2.

The working principle of the technical scheme is as follows: the specific steps for manufacturing the partial denture are as follows,

the first step is as follows: taking an impression and filling a model: preparing an impression for a patient by a doctor according to a conventional method, filling a working model, and taking a jaw record; the working model, jaw recordings are sent to the dental technician.

The second step is that: a maxilla rack: the working model was mounted on the jaw frame using the jaw recordings.

The third step: drawing a bracket design line, observing a model and filling a concave part; a1.5 mm wax sheet is attached to the crest of the alveolar ridge, and a space is reserved between the material of the liner 3 and the material of the base 1.

The fourth step: a refractory model is replicated.

The fifth step: the technician manufactures the wax pattern of the denture framework on the refractory model, and the key point in this process is that the labial and buccal snap ring does not need to be manufactured, and other parts are manufactured according to the conventional method.

And a sixth step: casting, grinding and polishing the false tooth bracket wax pattern, and placing the false tooth bracket wax pattern on a working model; returning to the doctor to try on the bracket for the patient; and returning to the technician to continue the manufacturing after the fitting is proper.

The seventh step: copying the model: and copying the working model with the wax sheet by using an impression material to copy a model B.

Eighth step: transferring the jaw relation: the jaw relationships that tried the appropriate scaffold were transferred to replica model B.

The ninth step: boxing for one time: and (4) boxing the wax false tooth which is properly adjusted together with the model B, and replacing the base 1 wax with the base 1 resin material.

The tenth step: primary grinding: the resin base 1 is edge trimmed leaving a 1-2mm wide gap to allow room for the liner 3 material.

The eleventh step: and (4) placing the primarily ground partial denture on the working model.

The twelfth step: and (3) secondary boxing: sealing the edge of the false tooth by using wax, and re-finishing the shape of the base 1; packing the false tooth and the working model again; boiling, dewaxing, cleaning and drying the bonding surface of the false tooth.

The thirteenth step: coating a liner 3 adhesive on the surface of the denture tissue, injecting a liner 3 material, performing extrusion molding under the pressure of 2bar, and opening the box to remove an embedding material for boxing after 4 hours.

The fourteenth step is that: after the excess material of the edge liner 3 is removed by scissors, the edge liner 3 part of the false tooth is ground by a grinding head made of the special liner 3 material and is finished by polishing together with the false tooth.

The fifteenth step: the artificial tooth 2 adjacent to the natural tooth 5 is provided with a retention means 4 at its side.

The beneficial effects of the above technical scheme are that: the part of the base 1 contacting with the oral cavity soft tissue is provided with the liner 3, so that the pressure on the alveolar ridge can be reduced, the buffer effect is achieved, the pressure pain feeling is reduced, the patient can wear the artificial tooth more comfortably, the medical treatment times are reduced, the fixing device 4 arranged on the artificial tooth 2 reduces the swing of the local false tooth, the appearance of the local false tooth is fused with the oral cavity, and the artificial tooth is very attractive.

In one embodiment, the thickness of the liner 3 is 1mm to 2 mm.

The working principle of the technical scheme is as follows: the thickness of the pad 3 should not be too thin, and should not be too thick, and too thin does not play a role in buffering alveolar ridges, and too thick does not play a good role in supporting.

The beneficial effects of the above technical scheme are that: the thickness of the pad 3 is moderate, so that the patient can wear the pad more comfortably, and meanwhile, the pad has good bearing capacity and plays a role in buffering.

In one embodiment, the pad 3 is made of a soft silicone material.

The working principle of the technical scheme is as follows: the removable partial denture liner 3 is made of soft silica gel material, so that the positive pressure on the alveolar ridge is reduced, and the absorption of the alveolar ridge is delayed. The soft silicone rubber material with good biocompatibility is used for replacing a part of the contact surface of the traditional hard denture and the oral cavity soft tissue, so that the contact surface becomes soft, and when a patient chews the denture with the material of the liner 3, the occlusion pressure of the alveolar ridge part is buffered.

The beneficial effects of the above technical scheme are that: the soft silica gel material increases the adsorption force of the local false tooth and the oral cavity soft tissue and reduces the swing of the false tooth.

In one embodiment, the retaining device 4 comprises a sleeve 4-1, a spring 4-2 and a retaining part 4-3, the sleeve 4-1 is embedded in one side of the artificial tooth 2, one end of the spring 4-2 is connected with the bottom of the sleeve 4-1, and the other end is connected with the retaining part 4-3.

The working principle of the technical scheme is as follows: one side of the artificial tooth 2 is provided with a hole, a sleeve 4-1 is embedded in the hole and is fixedly connected with the wall of the hole, one end of a spring 4-2 is fixedly connected with the bottom of the sleeve 4-1, the other end of the spring is fixedly connected with a fixing part 4-3, and the other end of the fixing part 4-3 is used for being fixed with a natural tooth 5.

The beneficial effects of the above technical scheme are that: the retention device 4 can fix the partial denture more firmly without shaking left and right during chewing.

In one embodiment, the retainer 4-3 comprises a connecting part 4-3-1 and a limiting cylinder 4-3-2, the spring 4-2 penetrates from one end of the limiting cylinder 4-3-2 to be connected with one end of the connecting part 4-3-1, and the other end of the limiting cylinder 4-3-2 is connected with the connecting part 4-3-1.

The working principle of the technical scheme is as follows: one end of the connecting part 4-3-1 is fixedly connected with one end of the limiting cylinder 4-3-2, one end of the spring 4-2 penetrates through the limiting cylinder 4-3-2 and is fixedly connected with one end of the connecting part 4-3-1, when the partial denture is worn, the connecting part 4-3-1 bears external force, the connecting part 4-3-1 compresses the spring 4-2 and moves towards the interior of the artificial tooth 2 together with the limiting cylinder 4-3-2, and the spring 4-2 stores deformation energy to provide opposite force for the connecting part 4-3-1, so that the external force applied to the connecting part 4-3-1 and the force provided by the spring 4-2 are balanced.

The beneficial effects of the above technical scheme are that: the limiting cylinder 4-3-2 can limit the connecting part 4-3-1 not to displace in the radial direction, and can also limit the axial movement distance of the connecting part 4-3-1, and the spring 4-2 can enable the partial denture to be balanced by the force in the horizontal direction when the partial denture is worn, so that the partial denture cannot easily shake.

In one embodiment, four sliding blocks a are uniformly distributed on the outer circumferential wall of the limiting cylinder 4-3-2 along the circumferential direction of the limiting cylinder, and four sliding grooves b corresponding to the sliding blocks a are uniformly distributed on the inner circumferential wall of the sleeve 4-1 along the circumferential direction of the sleeve.

The working principle of the technical scheme is as follows: the sliding block a slides in the sliding groove b along the axial direction of the limiting cylinder 4-3-2, so that the limiting cylinder 4-3-2 is limited to slide in the sleeve 4-1.

The beneficial effects of the above technical scheme are that: the sliding block a and the sliding groove b are matched to limit the displacement of the limiting cylinder 4-3-2 in the radial direction when sliding in the sleeve 4-1, so that the partial denture is fixed more stably.

In one embodiment, one end of the connecting part 4-3-1 is a hemispherical arc surface c, and the center of the other end is connected with the spring 4-2.

The working principle of the technical scheme is as follows: the hemispherical arc c is used to be connected to one side of the natural tooth 5 for fixing the partial denture.

The beneficial effects of the above technical scheme are that: the hemispherical cambered surface c can better fix the partial denture, limit the displacement of the partial denture in the horizontal and vertical directions and cannot easily shake.

In one embodiment, the hemispherical cambered surface c of the connecting part 4-3-1 is a magnetic body, one side of the natural tooth 5 adjacent to the artificial tooth 2 is provided with a hemispherical boss d corresponding to the hemispherical cambered surface c, and the hemispherical boss d and the hemispherical cambered surface c are mutually adsorbed.

The working principle of the technical scheme is as follows: when the partial denture is installed, the artificial tooth 2 and the adjacent natural tooth 5 are mutually adsorbed through the hemispherical cambered surface c and the hemispherical boss d to further fix the partial denture, the hemispherical boss d can inwards extrude the hemispherical cambered surface c, and the hemispherical cambered surface c is balanced by the extrusion force and the reaction force given by the spring 4-2.

The beneficial effects of the above technical scheme are that: make local artificial tooth wear more firmly, can not let the patient produce the foreign matter and feel, the power of hemisphere cambered surface c left and right sides direction reaches equilibrium, and natural tooth 5 can not receive the extrusion of power, wears more comfortablely to wear semi-spherical boss d and can not expose outside, be lived by artifical tooth 2 parcel completely, do not influence pleasing to the eye.

In one embodiment, the outer diameter of the connecting part 4-3-1 is not larger than the outer diameter of the limiting cylinder 4-3-2, and the outer diameter of the limiting cylinder 4-3-2 corresponds to the inner diameter of the sleeve 4-1.

The working principle of the technical scheme is as follows: the connecting part 4-3-1 and the limiting cylinder 4-3-2 can move in the sleeve 4-1 along the axial direction.

The beneficial effects of the above technical scheme are that: the limiting cylinder 4-3-2 is prevented from shaking in the sleeve 4-1, and the stability of the partial denture during wearing is facilitated.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (8)

1. A padded partial denture, comprising: the artificial tooth fixing device comprises a base (1), artificial teeth (2), pads (3) and a fixing device (4), wherein the artificial teeth (2) are arranged on the base (1), the pads (3) are arranged on the parts, in contact with the soft tissue surface of the oral cavity, of the base (1), and the fixing device (4) is arranged inside one side, in contact with natural teeth (5), of the artificial teeth (2);

the retention device (4) comprises a sleeve (4-1), a spring (4-2) and a retention part (4-3), the sleeve (4-1) is embedded in one side of the artificial tooth (2), one end of the spring (4-2) is connected with the bottom of the sleeve (4-1), and the other end of the spring is connected with the retention part (4-3).

2. The partial denture with a liner as claimed in claim 1, wherein the thickness of the liner (3) is 1mm-2 mm.

3. The partial denture with a liner as claimed in claim 1, wherein the liner (3) is made of soft silicone material.

4. The partial denture with a pad according to claim 1, wherein the retainer (4-3) comprises a connecting part (4-3-1) and a limiting cylinder (4-3-2), the spring (4-2) passes through one end of the limiting cylinder (4-3-2) and is connected with one end of the connecting part (4-3-1), and the other end of the limiting cylinder (4-3-2) is connected with the connecting part (4-3-1).

5. The partial denture with a liner according to claim 4, wherein four sliding blocks (a) are uniformly distributed on the outer peripheral wall of the limiting cylinder (4-3-2) along the circumferential direction thereof, and four sliding grooves (b) corresponding to the sliding blocks (a) are uniformly distributed on the inner peripheral wall of the sleeve (4-1) along the circumferential direction thereof.

6. The partial denture with a pad according to claim 4, wherein one end of the connecting part (4-3-1) is a hemispherical arc surface (c), and the center of the other end is connected with the spring (4-2).

7. The partial denture with a liner according to claim 4, wherein the hemispherical cambered surface (c) of the connecting part (4-3-1) is a magnetic body, and a hemispherical boss (d) corresponding to the hemispherical cambered surface (c) is provided on one side of the natural tooth (5) adjacent to the artificial tooth (2), and the hemispherical boss (d) and the hemispherical cambered surface (c) are mutually attracted.

8. The partial denture with a pad according to claim 4, wherein the connecting portion (4-3-1) has an outer diameter not larger than the outer diameter of the restraining cylinder (4-3-2), and the outer diameter of the restraining cylinder (4-3-2) corresponds to the inner diameter of the sleeve (4-1).

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