CN111388111A

CN111388111A - Titanium material root canal plug tip and equipment

Info

Publication number: CN111388111A
Application number: CN202010317802.0A
Authority: CN
Inventors: 吴瑛; 吴庚林; 吴洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-07-10

Abstract

The invention provides a titanium material root canal plug tip and equipment, aiming at solving the problems of lower efficiency, higher difficulty and the like when filling a fine root canal in the prior art. The titanium material root canal plug tip is integrally made of medical pure titanium or titanium alloy (an integral piece), and is axially divided into a tip section and a handle section; the apical section is conical, and the tip part of the apical section is provided with an external thread; the handle section is provided with scale marks or structures and is also provided with at least one notch so as to cut off the redundant part of the dental crown after the titanium material root canal plug tip is filled in place. The invention can effectively reduce the prepared cutting damage amount to the inner wall of the root canal of the tooth body, reduce the root filling difficulty, achieve the compact and stable root tip sealing effect, do not need to test the tip repeatedly and realize one-step achievement.

Description

Titanium material root canal plug tip and equipment

Technical Field

The invention relates to a root canal filling device for dental root canal treatment.

Background

Root canal therapy is the main treatment means for the pathological changes of dental pulp and tooth root.

The current standard procedure for dental root canal treatment is: the tooth is opened, the marrow is removed, the tooth length is measured, the root canal is prepared, the disinfection is carried out, finally, the root filling agent is dipped by the root canal filling material (gutta percha point) to tightly fill each root, and finally, the structure shown in figure 1 is formed.

At present, no matter which brand's gutta-percha point in the market, its tip diameter precision is all unsatisfactory, need try the point repeatedly during the use and prune, and the texture is softer, meets in the root canal to hinder or meet the easy buckling deformation of wet back gutta-percha point root tip, wastes time and energy more extravagant material when filling slight root canal.

Clinically, the filling of one root canal takes a few minutes and tens of minutes, many gutta-percha points are wasted, and the root canal cannot be completely filled in place due to time and labor waste; sometimes, the cutting preparation amount of the inner wall of the root canal has to be increased to fill the root canal, so that more healthy dental tissues in the root canal are damaged, and high technical requirements are also put on dentists.

Chinese patent document CN204501016U discloses a gutta-percha point, as shown in fig. 2 and 3, a conical cylindrical gutta-percha point body 1 is provided with an annular groove 2 at a distance of 5mm from a large diameter end to 25mm along the axial direction, two rows of arc-shaped grooves 3 are axisymmetrically arranged on each 5mm axial section, the number of the arc-shaped grooves in each row is four, the axial section is equally divided by taking 1mm as the distance, and the arc length of each arc-shaped groove is one fourth of the corresponding circumference. Annular groove and arc recess mainly play the effect of scale sign, still are convenient for simultaneously avoid arousing the gutta-percha point to warp when cuting gutta-percha point length.

Chinese patent document CN108354681A discloses an integrated gutta-percha point with silver-titanium alloy root canal internal retention and root tip sealing. As shown in fig. 4 and 5, the conical gutta-percha point is sequentially provided with a fixing section 1 and a closing section 2 from top to bottom, the fixing section 1 is made of silver-titanium alloy, the closing section 2 is made of gutta-percha, the lower end surface of the fixing section downwardly extends to form a connecting section 3 for combining the fixing section 1 and the closing section 2 together, the connecting section is also made of silver-titanium alloy, and the upper end of the fixing section is provided with a scale section 4 for displaying the length of the gutta-percha point. The connecting section is provided with a helical blade 5 protruding outwards, so that the sealing section (gutta percha) is tightly connected with the connecting section 3 in the axial direction in the process of preparing the gutta percha tip.

However, the solution provided by the above document still cannot fundamentally solve the problems of low efficiency, high difficulty and the like when filling the fine root canal.

Disclosure of Invention

The invention provides a titanium material root canal plug tip, aiming at solving the problems of lower efficiency, higher difficulty and the like when filling a fine root canal in the prior art.

In order to achieve the above object, the present invention proposes the following solutions.

A titanium material root canal plug tip is integrally made of medical pure titanium or titanium alloy (an integral piece), and is axially divided into a tip section and a handle section; the apical section is conical, and the tip part of the apical section is provided with an external thread; the handle section is provided with scale marks or structures and is also provided with at least one notch so as to cut off the redundant part of the dental crown after the titanium material root canal plug tip is filled in place.

Further, the root tip section is integrally provided with external threads.

Further, the external Thread is a V-Thread (Sharp V Thread). Secondly, whistling threads (whitworth threads) and the like can also be considered.

Further, the taper of the apical section is consistent with the taper of a hand-expanding needle and a machine-expanding needle with the same specification, which are prepared for the dental root canal preparation.

Further, the scale marks are digital annular scale marks. Alternatively, it is also conceivable to form the scale indication structure by providing concave/convex color lines.

Further, the notch is located in the middle of the handle section.

Further, the handle section is a cylinder with a single-side or double-side cutting plane, and the cutting plane is axially parallel to the cylinder so as to facilitate handheld operation.

Alternatively, the handle segment may be a flat part parallel to the axial direction of the handle in whole or in part, so as to facilitate the hand-held operation.

The invention also correspondingly provides dental root canal treatment equipment which comprises the titanium material root canal plug tip and the electronic root length measuring instrument, wherein the electronic root length measuring instrument is electrically connected with the handle section of the titanium material root canal plug tip and is used for directly measuring the length of the tooth body.

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

1. the whole body is made of medical pure titanium or titanium alloy, and the apical section of the root canal plug tip is provided with an external thread, on one hand, the external thread rotary blade is beneficial to embedding into a tooth body, the preparatory cutting damage amount to the inner wall of the root canal of the tooth body is effectively reduced, the root filling difficulty is reduced, and the root canal plug tip has good electrical conductivity and can be directly connected with an electronic root length measuring instrument, the measurement and the rotation are carried out while the measurement is carried out, the tip test is not required to be repeated, and the rapid and accurate root filling in place is realized; on the other hand, the thread groove has larger surface area and space naturally, the thread groove is filled with the medicament, the maximum density of the filler in the root canal can be kept for a long time, the tightest, perfect and stable root tip sealing effect is achieved, and the requirement can be usually met by carrying the medicament once, so that the one-step achievement can be realized (without dipping the medicament for multiple times).

2. The handle part of the pure titanium root canal plug tip is retained in the cavity of the dental crown and can replace a root canal nail or a fiber pile. The integrated root tip thread and handle design does not need secondary root canal nail or fiber pile driving, reduces excessive cutting of tooth health tissues, saves trouble and materials, and can improve the anti-breaking capability of the tooth.

3. The titanium material has no magnetic field, has better safety and does not influence medical examination such as X-ray and nuclear magnetic resonance;

in addition, the traditional permanent root filling material gutta-percha tip consists of β -phase gutta-percha (20 percent), zinc oxide (most), wax, resin, metal salt, pigment and the like, the components are complex, and the safety and biocompatibility of the traditional permanent root filling material gutta-percha tip are theoretically uncertain;

the invention is entirely made of medical pure titanium or titanium alloy material, and the biocompatibility and safety of the invention are more reliable. The pure titanium metal is widely applied in the medical field, such as artificial tooth roots of implanted teeth, artificial joints for orthopedics, skull patches, hemostatic titanium clamps after laparoscopic surgery and the like, and is the most ideal biological material implanted into human bodies at present.

Drawings

Fig. 1 is a schematic view of the structure of the gutta-percha point inside a tooth. Wherein, 101-gutta-percha point, 102-crown cavity filling material and 103-root canal filling medicament.

Fig. 2 and 3 are schematic structural diagrams of solutions of patent document CN204501016U, wherein fig. 3 is a schematic sectional diagram at a-a in fig. 2. The reference numbers in the figures illustrate: 1-gutta-percha point body; 2-an annular groove; 3-arc groove.

Fig. 4 and 5 are schematic structural diagrams of solutions of patent document CN108354681A, wherein fig. 5 is a cross-sectional view of fig. 4. The reference numbers in the figures illustrate: 1-a retention section; 2-a closing section; 3-a connecting segment; 4-scale section; 5-helical blades.

Fig. 6 is a schematic structural diagram of an embodiment of the present invention.

Fig. 7 is a schematic side view of the embodiment of fig. 6.

Fig. 8 is a schematic cross-sectional view of the handle segment of the embodiment of fig. 6.

The reference numbers in fig. 6-7 illustrate: 1-apical section; 2-a handle section; 3-external thread; 4-digital annular scale marks; 5-a cutting plane; 6-notch.

Detailed Description

The present invention will be described in more detail below by way of examples with reference to the accompanying drawings.

As shown in fig. 6 to 8, the pure titanium root canal plug tip of the present embodiment is made of medical pure titanium metal material, and is divided into a tip section 1 and a handle section 2 in the axial direction.

The root tip section is conical and has an external thread 3.

The handle section is free of taper and threads and is provided with digital annular scale marks 4.

The handle section is a cylinder with a unilateral sectioning plane 5, and the sectioning plane is axially parallel to the cylinder so as to facilitate handheld operation. The junction of the cutting plane 5 and the conical root tip section 1 can be a vertical plane as shown in fig. 7, or can be a bevel transition.

The conicity of the root tip section of the pure titanium root canal plug tip is consistent with the conicity of a hand-expanding needle and a machine-expanding needle which are prepared for dental root canals, so that the pure titanium root canal plug tip series comprise 02, 04, 06 and 08 conicity.

In order to more tightly seal the narrow area of the tooth apical pore, a small amount of apical sections are screwed into the tissues of the root canal tooth body, the diameters of the apical ends of the 02, 04, 06 and 08 taper pure titanium root canal plugs are larger than the diameters of the apical ends of the hand-expanding and machine-expanding needles with the same taper and the same specification by 0.03mm, and can have various diameter specifications of (0.15+0.03) mm, (0.20+0.03, mm, (0.25+0.03) mm, (0.30+0.03) mm, (0.35+0.03) mm, (0.40+0.03) mm and (0.45+0.03) mm, wherein the diameters of the apical ends of the 02 taper root canal plugs can also be smaller, such as 0.08mm, 0.10mm and the like, and the apical sections can also be unthreaded and the handle sections can not be provided with planes and are only provided with annular scales due to the extremely small radial dimension.

The length of the root tip of the pure titanium root canal plug tip has different specifications of 6mm to 16mm and the like.

The length of the handle section of the pure titanium root canal tip is 15mm, a notch 6 (an easily broken groove) is designed in the middle 1/2 of the handle and can be matched with a sleeve type wrench for use, so that the redundant part of the dental crown can be cut off after the pure titanium root canal tip is filled in place.

The use method of the pure titanium root canal plug tip comprises the following steps:

after the conventional root canal is prepared and disinfected, the pure titanium root canal tip is finely adjusted to be consistent with the direction of the root canal of the tooth, the handle is held by hands, the root filling agent is dipped by the root tip spiral part and inserted into the root canal, and the pure titanium tip is rotated to the position according to the scales on the handle and is broken off from the groove of the handle 1/2. And (3) cleaning redundant root filling agents in the dental crown cavity, injecting light-cured fluid resin, and performing light curing to adjust occlusion, thereby completing all root canal treatment of one tooth and enabling a person needing crown repair to perform crown repair.

The embodiment can achieve the clinical root filling effect with simplicity, high efficiency, accuracy, high density and high quality, and only needs 1/2 or 1/3 or even shorter when the root of the traditional gutta percha point is filled.

Claims

1. A titanium material root canal plug tip is characterized in that: the whole body is made of medical pure titanium or titanium alloy and is axially divided into a root tip section and a handle section; the apical section is conical, and the tip part of the apical section is provided with an external thread; the handle section is provided with scale marks or structures and is also provided with at least one notch so as to cut off the redundant part of the dental crown after the titanium material root canal plug tip is filled in place.

2. The titanium material root canal plug according to claim 1, wherein: the root tip section is integrally provided with external threads.

3. The titanium material root canal plug according to claim 1 or 2, wherein: the external Thread is a V-shaped Thread (Sharp V Thread).

4. The titanium material root canal plug according to claim 1, wherein: the taper of the apical section is consistent with the taper of a hand-expanding needle and a machine-expanding needle with the same specification, which are prepared for dental root canal preparation.

5. The titanium material root canal plug according to claim 1, wherein: the scale marks are digital annular scale marks.

6. The titanium material root canal plug according to claim 1, wherein: the notch is located handle section middle part.

7. The titanium material root canal plug according to claim 1, wherein: the handle section is a cylinder with a unilateral or bilateral sectioning plane, and the sectioning plane is axially parallel to the cylinder so as to facilitate handheld operation.

8. The titanium material root canal plug according to claim 1, wherein: the handle segment has a flattened portion axially parallel to the handle for hand-held operation.

9. A dental endodontic apparatus, characterized in that: comprising the titanium material root canal plug tip of claim 1 and an electronic root length measuring instrument electrically connected to the handle section of the titanium material root canal plug tip for direct measurement of the length of the tooth body.