CN208525087U - A kind of artificial tooth crossover double-layer crown - Google Patents

Abstract

The utility model discloses a kind of artificial tooth crossover double-layer crowns, its key points of the technical solution are that including base hat, being sheathed on corona, the bridge-linking part as the reparation tooth of fixed denture and for connecting reparation tooth and corona that base is labeled, base is preced with inner hollow and its interior shape is adapted with residual tooth surface shape, the face of the close reparation tooth of base hat is plane, it is fixed on residual tooth, corona inner hollow and is sheathed on base and labels.It is fixed after the base of surface shape rule hat is sheathed on residual tooth by bonding agent and residual tooth, so that the residual tooth of surface imperfection has been become regular shape by the effect that base is preced with, then when corona being sheathed on base labeling, so that the installation enhanced convenience of corona.

Description

A kind of artificial tooth crossover double-layer crown

Technical field

The utility model relates to a kind of fixed denture, in particular to a kind of artificial tooth crossover double-layer crown.

Background technique

It is abutment that fixed denture, which is using the natural teeth of edentulous space both ends or one end, and the maintenance of artificial tooth is made on abutment Body, and it is connected to become an entirety with artificial tooth, artificial tooth is cemented on abutment by cement.Fixed denture is necessary before repairing Careful inspection is carried out to patient oral cavity and obtains detailed inspection of data, is subject to comprehensive analysis and judgement, determines its edentulous region neighbour Tooth closes the case where to jaw tooth if appropriate for selection fixed denture reparation.

But when being repaired by fixed denture to patient in real life, it can have the following problems: to adjacent Two teeth between when making artificial tooth, if wherein a tooth skew or the shape of the tooth are compared to other tooth ratios It is relatively irregular, be poorly suitable for fixing artificial tooth when, need to cut the tooth, and cutting quantity is bigger, can be to patient Biggish feeling of pain is caused, so that the stability of tooth reduces.

Utility model content

The purpose of the utility model is to provide a kind of artificial tooth crossover double-layer crowns, by askew tooth or irregular tooth The facing of regular shape is made, it is convenient that dentures repai is fixed to patient.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of artificial tooth crossover is double-deck Hat including base hat, is sheathed on corona that base labels, repairs tooth and corona as the reparation tooth of fixed denture and for connecting Bridge-linking part, base hat inner hollow and its interior shape is adapted with residual tooth surface shape, the face of close reparation tooth that base is preced with is Plane is fixed on residual tooth, corona inner hollow and is sheathed on base and is labeled.

By using above-mentioned technical proposal, after the base hat of surface shape rule is sheathed on residual tooth by bonding agent with it is residual Tooth is fixed, so that the residual tooth of surface imperfection to have been become to the shape of rule by the effect that base is preced with, then corona is sheathed on base When labeling, so that the installation enhanced convenience of corona.

Preferably, base is preced with surface texture in a rectangular parallelepiped shape.

By using above-mentioned technical proposal, while residual tooth is preferably coated with by the base hat of rectangular-shape, outer surface rule Then, it is more applicable in.

Preferably, the side of the separate bridge-linking part of base hat is equipped with notch, and the side of the separate bridge-linking part of corona also is provided with lacking Mouthful.

By using above-mentioned technical proposal, when the setting of notch can prevent from being arranged base hat, base hat and other beside residual tooth Tooth generates interference.

Preferably, the lower end of base hat is equipped with convex edge, and convex edge lower surface is abutted with gum, and the lower surface of upper surface and corona is supported It connects.

By using above-mentioned technical proposal, the bonding agent flow down is labeled from base and is adhered on convex edge, bonding agent can be prevented It is stained on the gum of people, makes troubles to patient.

Preferably, the side of the close bridge-linking part of base hat is equipped with vertical gib block, the inside of the close gib block of corona Face is equipped with guide groove compatible with gib block.

By using above-mentioned technical proposal, the setting of gib block does not need to specifically look for suitable side when installing corona Corona is always installed, so that the installation enhanced convenience of corona.

Preferably, in a rectangular parallelepiped shape, the width of gib block is to be gradually increased from top to bottom to gib block.

By using above-mentioned technical proposal, so that corona and the installation that base is preced with are more secured.

Preferably, the upper surface of base hat is equipped with multiple protrusions, and the medial surface of corona is equipped with the compatible groove with protrusion.

By using above-mentioned technical proposal, raised being provided with is conducive to increase the frictional force between base hat and corona, so that The bonding of the two is more secured.

Preferably, corona is set as two, repairs tooth and is set between two coronas, and will repair tooth and corona by bridge-linking part Connection, bridge-linking part, corona and reparation tooth are integrally formed.

By using above-mentioned technical proposal, two coronas make reparation tooth more firm in intraoral fixation.

In conclusion the utility model has the following beneficial effects:

1. the installation enhanced convenience so that subsequent corona is arranged in base hat, do not need to carry out the residual tooth of patient a large amount of Cutting；

2. corona and the mounting means that base is preced with are simple and fast.

Detailed description of the invention

Fig. 1 is perspective view when being arranged with base hat on residual tooth；

Fig. 2 is the schematic diagram for highlighting the residual tooth on gum；

Fig. 3 is that the residual facing in Fig. 2 sets the schematic diagram after crossover double-layer crown；

Fig. 4 is the schematic diagram for highlighting the structure that base is labeled；

Fig. 5 is the schematic diagram for highlighting the structure in corona.

In figure, 1, base hat；11, notch；12, gib block；13, raised；14, convex edge；2, corona；21, guide groove；22, recessed Slot；3, tooth is repaired；4, bridge-linking part；5, gum；6, residual tooth.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "upper", "lower", " bottom Face " and " top surface " refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from particular elements geometry The direction at center.

A kind of artificial tooth crossover double-layer crown, as shown in figures 1 and 3, including base hat 1, the corona 2 being sheathed on base hat 1, conduct The reparation tooth 3 of fixed denture and for connect repair tooth 3 and corona 2 bridge-linking part 4.Base is preced with 1 inner hollow and its internal shape Shape is adapted with residual 6 surface shape of tooth, and base is preced with 1 outer surface in a rectangular parallelepiped shape, is the flat of rule close to the side for repairing tooth 3 Face.(Fig. 2 is referred to, residual tooth 6 described here is to grow the crooked tooth of comparison or its surface shape compared to it on gum 5 His normal tooth shows the tooth of irregular shape).Pass through after the base hat 1 of surface shape rule is sheathed on residual tooth 6 Bonding agent and residual tooth 6 are fixed, so that the residual tooth 6 of surface imperfection become to the shape of rule by the effect of base hat 1, then will When corona 2 is sheathed on base hat 1, so that the installation enhanced convenience of corona 2.

2 inner hollow of corona and its interior shape are preced with 1 surface shape with base and are adapted, and 2 surface shape of corona is tooth shape； Corona 2 is set as two, and two coronas 2 are connect with two teeth of the tooth two sides repaired are needed respectively, repairs tooth 3 and is set to two Between corona 2, and tooth 3 will be repaired by bridge-linking part 4 and connect with corona 2, bridge-linking part 4, corona 2 and reparation tooth 3 are integrally formed, The thickness of base hat 1 is less than the thickness of corona 2.

In conjunction with Fig. 4, in order to facilitate the installation of base hat 1, the side of the separate bridge-linking part 4 of base hat 1 is equipped with notch 11.Notch 11 When can prevent from being arranged base hat 1, base hat 1 and other teeth on residual 6 side of tooth generate interference, so that the installation of base hat 1 is inconvenient.Phase The side of the separate bridge-linking part 4 for the corona 2 answered is again provided with notch 11(with reference to Fig. 3), the notch 11 again such that corona 2 peace Fill enhanced convenience.

In conjunction with Fig. 4 and Fig. 5, the side of the close bridge-linking part 4 of base hat 1 is equipped with vertical gib block 12, and the close of corona 2 is led To the medial surface of item 12 be equipped with guide groove 21 compatible with gib block 12, toward base be preced with 1 on be arranged corona 2 when, gib block 12 It is embedded in inside guide groove 21, corona 2 is preced on 1 to installing corona 2 with base along 12 slide downward of gib block.In installation tooth It when being preced with 2, does not need to specifically look for suitable direction to install corona 2, so that the installation enhanced convenience of corona 2.

In a rectangular parallelepiped shape, and the width of gib block 12 is to be gradually increased from top to bottom to gib block 12, so that corona 2 and base are preced with 1 installation is more secured.

As a preferred embodiment, the upper surface of base hat 1 is equipped with multiple raised 13, the medial surface of corona 2 is equipped with With raised 13 compatible grooves 22.The Nian Jie mode that is fixed as of usual corona 2 and base hat 1, being provided with for protrusion 13 are conducive to Increase the frictional force between base hat 1 and corona 2, so that the bonding of the two is more secured.

In conjunction with Fig. 3 and Fig. 4, when installing corona 2 in order to prevent, the bonding agent between base hat 1 and corona 2 is pressed against gum 6 The lower end of upper surface, base hat 1 is equipped with convex edge 14, and 14 lower surface of convex edge is abutted with gum 6, and upper surface and the lower surface of corona 2 are supported Connect, be adhered on convex edge 14 from the bonding agent that flows down on base hat 1, bonding agent can be prevented to be stained on the gum 6 of people, to patient with It is inconvenient to come.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (8)

1. a kind of artificial tooth crossover double-layer crown, it is characterised in that: including base hat (1), the corona (2) being sheathed on base hat (1), conduct The reparation tooth (3) of fixed denture and the bridge-linking part (4) for being used to connect reparation tooth (3) and corona (2), base are preced with (1) inner hollow And its interior shape is adapted with residual tooth (6) surface shape, the face that base is preced with the close reparation tooth (3) of (1) is plane, is fixed on residual On tooth (6), corona (2) inner hollow and be sheathed on base hat (1) on.

2. a kind of artificial tooth crossover double-layer crown according to claim 1, it is characterised in that: base is preced with (1) surface texture in rectangular Body shape.

3. a kind of artificial tooth crossover double-layer crown according to claim 1, it is characterised in that: base is preced with the separate bridge-linking part (4) of (1) Side be equipped with notch (11), the side of the separate bridge-linking part (4) of corona (2) also is provided with notch (11).

4. a kind of artificial tooth crossover double-layer crown according to claim 1, it is characterised in that: the lower end that base is preced with (1) is equipped with convex edge (14), convex edge (14) lower surface is abutted with gum (5), and upper surface is abutted with the lower surface of corona (2).

5. a kind of artificial tooth crossover double-layer crown according to claim 1, it is characterised in that: base is preced with the close bridge-linking part (4) of (1) Side be equipped with vertical gib block (12), the medial surface of close the gib block (12) of corona (2) equipped with and gib block (12) phase The guide groove (21) of adaptation.

6. a kind of artificial tooth crossover double-layer crown according to claim 5, it is characterised in that: gib block (12) in a rectangular parallelepiped shape, The width of gib block (12) is to be gradually increased from top to bottom.

7. a kind of artificial tooth crossover double-layer crown according to claim 1, it is characterised in that: the upper surface that base is preced with (1) is equipped with more A protrusion (13), the medial surface of corona (2) are equipped with the compatible groove (22) with raised (13).

8. a kind of artificial tooth crossover double-layer crown described in -7 any one according to claim 1, it is characterised in that: corona (2) is set as It two, repairs tooth (3) and is set between two coronas (2), and tooth (3) will be repaired by bridge-linking part (4) and connect with corona (2), even Bridge portion (4), corona (2) and reparation tooth (3) are integrally formed.