CN210144770U

CN210144770U - Dental filling device

Info

Publication number: CN210144770U
Application number: CN201920699974.1U
Authority: CN
Inventors: 王辰; 许亦权; 韩雪; 梁莉
Original assignee: 8th Medical Center of PLA General Hospital
Current assignee: 8th Medical Center of PLA General Hospital
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-03-17
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses a dental filling device, include the handle and divide the connector and the obturator of establishing at the handle both ends, the connector that handle one end is connected is first connector, and first connector is the convex metal knee that has radian r. The dental filling device of the utility model can apply pressure to the cavity in front of the oral cavity when in use, so that the filling material is tightly filled in the cavity, and the problems that the force application direction is single (only backwards and downwards) and the dental caries operation on the far middle and adjacent surfaces of the posterior teeth is inconvenient when the traditional filling device is operated in the oral cavity are solved; simultaneously, the functions of filling and shape trimming are considered; especially, under the condition that the sight of an operator is poor, the tooth far-middle adjacent surface at the rearmost part of the oral cavity can be quickly filled and formed at one time without replacing other instruments.

Description

Dental filling device

Technical Field

The utility model relates to an oral cavity medical instrument technical field especially relates to a dentistry obturator.

Background

The dental filling device is a therapeutic apparatus mainly used in the process of diagnosing and treating dental caries which is a common disease in the oral cavity. After caries and decayed decay of the affected teeth are removed, filling materials such as composite resin materials, cement materials or silver mercury alloy materials and the like into the cavities of the teeth by using a dental filling device, compacting and carving the shapes.

As shown in figure 1, the dental filling device for clinical diagnosis and treatment of oral cavity comprises a handle 1 ', two connecting bodies 2' and two filling bodies 3 ', wherein the two connecting bodies 2' are respectively positioned at two ends of the handle 1 ', the two filling bodies 3' are respectively positioned at the end parts of the connecting bodies 2 ', and the connecting bodies 2' are used for connecting the filling bodies 3 'to the handle 1'. Typically both connectors 2' are straight rods with no curvature and no angle to the handle. One connector 2 'is connected with a filling body 3' of a triangular flat-head inverted cone, and the other connector 2 'is connected with an oval flat filling body 3'.

The traditional filling device is convenient to fill and treat occlusal cavity when in use. However, for caries on the distal and proximal surfaces of the posterior teeth, it is extremely difficult to operate with conventional fillers. For example, a impacted tooth, the third molar, is often obliquely grown, difficult to clean around the crown, and often complicated by caries on the distal and proximal surfaces of the second molar. In treatment, the impacted tooth is usually removed first, and then the decayed tooth is filled. However, in practice, after the impacted tooth is removed by surgery, the filling treatment of the cavity in the distal and proximal surfaces of the second molar is very difficult. This is mainly because the far proximal surface of the second molar is located at the rearmost of the dentition, and the cavity faces the rear of the mouth, the included angle theta (see fig. 1) between the filling body and the handle of the conventional filling device is usually 0-90 degrees, which is limited by the opening degree of the patient, the force application direction of the operator faces the rear of the mouth during filling treatment, it is difficult to apply extrusion force to the far middle cavity of the second molar, the sealing property between the filling material and the cavity is not good, and the treatment effect of the dental caries on the far proximal surface of the second molar caused by the impacted teeth is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical defects in the prior art, and provides a dental filling device which can tightly fill the caries hole on the far and middle adjacent surfaces of the second molar and can also trim the form of the far and middle adjacent surfaces of the teeth. The dental filling device comprises a handle, and a connector and a filling body which are respectively arranged at two ends of the handle, wherein the connector connected with one end of the handle is a first connector which is a circular arc-shaped metal bent rod with a radian r.

The radian r is 120-180 degrees.

The filling body connected with the first connecting body is a first filling body, the first filling body is an inverted cone, and the cone top is connected with the first connecting body.

The height h of the inverted cone is 3-8 mm.

The cross-sectional diameter R of the first filling body is 2-4 mm.

The connecting body connected with the other end of the handle is a second connecting body which is an inclined straight rod.

The second connector is angled at α from the handle by 45 °.

The filling body connected with the second connector is a second filling body which is in an arc flat thin blade shape with the radian of R'.

The end part of the second connecting body is tangent to the arc top of the second filling body and is connected with the arc top of the second filling body at the tangent point.

The radian R' of the second filling body is 90-150 degrees.

The utility model provides a connecting body at one end of the dental filling device is in a curved arc shape and is matched and connected with a filling body in an inverted cone shape, the structure of the combination of the connecting body and the filling body is convenient for placing dental filling materials into a second molar far-middle carious hole, and the filling device is matched and held by hand to carry out the lifting action towards the outside of the mouth, so that the filling materials can be tightly compacted in the carious hole; the utility model provides a dental filling device's other end connector is straight shaft-like, cooperates the convex flat thin sword form obturator, can carry out the form to the filling material and maintain on the basis of filling the compaction tooth filling material, and convex obturator is convenient for restore the second and grinds the natural radian of the far and middle adjacent face of tooth. The dental filling device of the utility model can apply pressure to the cavity in front of the oral cavity when in use, so that the filling material is tightly filled in the cavity, and the problems that the force application direction is single (only backwards and downwards) and the dental caries operation on the far middle and adjacent surfaces of the posterior teeth is inconvenient when the traditional filling device is operated in the oral cavity are solved; simultaneously, the functions of filling and shape trimming are considered; especially, under the condition that the sight of an operator is poor, the tooth far-middle adjacent surface at the rearmost part of the oral cavity can be quickly filled and formed at one time without replacing other instruments.

Drawings

FIG. 1 is a schematic view showing a construction of a conventional dental obturator;

FIG. 2 is a front view of the dental obturator of the present invention;

fig. 3 is an enlarged view of the filling body of the dental filling instrument of the present invention.

Detailed Description

The present invention will be described in more detail and further illustrated with reference to specific examples, which are not intended to limit the present invention in any way.

The utility model provides a dental filling device, as shown in figure 2, including handle 1, connect a connector 2 respectively at handle 1 both ends, the tip of every connector 2 all is connected with a obturator 3. The two connectors 2 at both ends of the handle 1 may have different shapes, and the two filling bodies 3 connected to the two connectors 2 may have different shapes.

One of the connectors 2 is an arc-shaped metal bent rod (i.e. a first connector) with a radian r within the range of 120 plus 180 degrees, when an operator holds the obturator, the connector with the radian of 120 plus 180 degrees can convert the direction of the filling pressure into forward pressure towards the outside of the mouth, and the pressure in the direction can tightly fill the filling material into the dental cavity in the distal second molar, and the other connector 2 is an inclined straight rod (i.e. a second connector) which forms an included angle with the handle, and the included angle α between the straight rod and the handle is 45 degrees.

The end of the circular arc connector 2 is connected with a filler 3 with a flat head, the filler 3 (namely, the first filler) is a flat head and inverted cone, namely, the conical top is connected with the first connector, and the bottom surface is far away from the first connector. The height h of the cone is 3-8mm and the cross-sectional diameter R is 2-4mm (see A in FIG. 3). The filling body 3 can be used for taking filling materials, filling the filling materials into the caries on the far and near surfaces, and tightly filling the filling materials by utilizing the radian of the connecting body.

The end of the straight rod-shaped connecting body 2 is connected with a filling body 3 in the shape of a circular arc flat thin blade, the filling body 3 (namely a second filling body) is a circular arc thin sheet (see B in figure 3), the radian R' is 90-150 degrees, and the connecting body 2 is tangent to the arc top of the filling body 3, and the connecting point is a tangent point. The arc filling body 3 is used for performing shape modification on the filling material after the filling material is filled into the carious cavity and before the filling material is solidified, and the natural radian of the far and middle adjacent surfaces of the carious tooth can be recovered by utilizing the shape of the arc inner surface of the filling body 3 to carve and modify the filling material.

When the dental filling material is used, the dental filling material is taken by the first filling body and placed in the caries hole on the far and middle adjacent surfaces, an operator holds the handle 1 to perform short lifting action towards the outside of the mouth to tightly compact the filling material, then the filling material is extruded by the arc inner surface of the second filling body to be trimmed into an arc shape simulating the far and middle adjacent surfaces of a natural tooth, and the filling material is solidified after the trimming of the shape is finished, so that the repair of the caries hole on the far and middle adjacent surfaces of the second molar is completed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should be regarded as the contents of the present invention.

Claims

1. The dental filling device comprises a handle, and a connector and a filling body which are respectively arranged at two ends of the handle, and is characterized in that the connector connected with one end of the handle is a first connector which is a circular arc-shaped metal bent rod with a radian r.

2. The dental obturator of claim 1, wherein the arc r is 180 °.

3. Dental obturator according to claim 2, wherein the obturator connected to the first connecting body is a first obturator, the first obturator being an inverted cone, the cone apex being connected to the first connecting body.

4. Dental obturator according to claim 3, characterised in that the height h of the inverted cone is 3-8 mm.

5. Dental obturator according to claim 4, characterised in that the cross-sectional diameter R of the first obturator is 2-4 mm.

6. The dental obturator of any one of claims 1-5, wherein the connector attached to the other end of the handle is a second connector, the second connector being a straight, angled rod.

7. The dental obturator of claim 6, wherein the second connecting body is angled α from the handle at 45 °.

8. The dental obturating device of claim 7, wherein the obturating body connected to the second connecting body is a second obturating body which is in the shape of a circular arc flat thin blade with an arc degree of R'.

9. The dental obturating assembly of claim 8, wherein the end of the second connecting body is tangent to the apex of the second obturating body and is connected at the point of tangency.

10. Dental obturator according to claim 9, characterised in that the arc R' of the second obturator is 90-150 °.