TWM596057U - Improved structure of tooth crown support base - Google Patents

Abstract

An improved structure of a crown support base, mainly composed of a platform body and a transmission part, the platform body has a receiving end extending upward and a connecting end extending downward to be assembled in an artificial tooth root , And the support body has a through hole penetrating the receiving end and the connecting end, and a first threaded section is provided in the through hole, and the transmission member penetrates the through hole from the connecting end, and the transmitting member has an orientation The first end of the receiving end and an opposite second end are provided with a transmission part and a second thread segment on the first end, and the transmission part is screwed to the first thread segment with its second thread segment and passes through The transmission part adjusts the screw connection position of the transmission part, so that the second end thereof can relatively abut on the artificial tooth root.

Description

Improved structure of tooth crown support base

This creation is related to the structure of the crown support base for dental implants, especially referring to an improved structure of the crown support base.

With the advancement of medical technology, it is very common to use dental implant surgery for teeth with more severe damage. Implant surgery is to implant artificial roots (or implants) in the tooth slots of the removed teeth. ), and then combine a pedestal on the artificial tooth root for setting artificial tooth crown.

The structure of the conventional dental abutment base 90, as shown in FIG. 5, mainly has a receiving end 92 extending upward for engaging the crown 91, and a downward extending for insertion relative to the artificial tooth root 93 The group connecting end 94, wherein the group connecting end 94 is tapered downward and tapered, and the artificial tooth root 93 is provided with a cone sleeve inner hole 931 corresponding to the group connecting end 94, by This allows the support base 90 to be tightly sleeved with the assembly end 94 and the inner hole 931 of the cone sleeve of the artificial tooth root 93.

The above-mentioned method of using taper to combine the abutment base 90 and the artificial tooth root 93 can achieve the tight fitting combination. However, under the long-term use, under the influence of the pushing force generated during the occlusal process of the teeth, the abutment base will be made Between the 90 and the artificial tooth root 93, the bite is tightened, so that when the artificial tooth root 93 or the support base 90 is damaged, or there are other irresistible factors that require the removal or replacement of the support base 90, it must cost considerable It takes a lot of effort to separate the abutment base 90 from the artificial tooth root 93, and during the removal process, it is also easy to damage the jaw bone due to incorrect extraction angle or excessive force.

In view of this, how to solve the above-mentioned problems is the primary issue that this creative aims to solve.

The main purpose of this creation is to provide an improved structure of the crown support base, which has a simple structure, is easy to manufacture, and can ensure that the force application angle when it is removed from the artificial tooth root is maintained in a positive vertical direction, so as to effectively solve the problem of extraction The angle is incorrect or the force is too large, which may hurt the jaw bone.

To achieve the aforementioned purpose, this work provides an improved structure for the crown support base, including: A table body has a receiving end extending upwardly for engaging the crown, and a connecting end extending downwardly for being assembled in an artificial tooth root, and the table body is opened along its axial direction A through hole penetrating the receiving end and the connecting end, and a first threaded section is provided in the through hole; and A transmission member is inserted into the through hole from the connecting end, the transmission member has a first end facing the receiving end, and a second end opposite to the first end, the first end has a The transmission part and a second threaded section, the first end is screwed to the first threaded section with its second threaded section, and the transmission section can be used to adjust the screwing position of the transmission member so that the second end can Relatively abut on the artificial tooth root.

Preferably, the through hole is provided with the first threaded section at the junction with respect to the receiving end and the assembly end.

Preferably, the first end of the transmission member is concavely provided with a groove on an end surface facing the receiving end to constitute the transmission part.

Preferably, a portion of the through hole located in the connecting end forms a tapered hole portion that gradually expands downward, and the outer peripheral surface of the transmission member has a taper that can be correspondingly matched with the tapered hole portion, And after the transmission member is screwed with the second thread section and the first thread section, the outer peripheral surface of the transmission member will closely fit the tapered hole.

Furthermore, after the transmission member is screwed with the second threaded section and the first threaded section, a portion of the second end of the transmission member will be exposed outside the assembly end, forming a relative abutment The pushing part on the artificial tooth root.

Furthermore, the outer peripheral surface of the group of connecting ends is tapered downward, and the artificial tooth root has an inner tapered hole that can be correspondingly matched with the outer peripheral surface of the group of connecting ends. After the end is assembled with the inner tapered hole of the artificial tooth root by its outer peripheral surface, the pushing part of the transmission member is relatively abutted on a bottom surface of the inner tapered hole.

However, it is not difficult to obtain an in-depth understanding from the detailed description and drawings of the selected embodiments below for the above purposes and advantages of this creation.

First of all, please refer to Figures 1~3, which is the first embodiment of an improved structure of the crown support base, which is mainly composed of a support body 11 and a transmission member 21, among which:

The abutment body 11 is in the shape of a cylinder, and has a receiving end 12 that extends upward to connect the crown (not shown), and a downward extension that can connect the artificial tooth root 31 (i.e., implant) Assembly end 13, and the support body 11 defines a through hole 14 penetrating the receiving end 12 and the assembly end 13 along its axial direction, and the through hole 14 is connected to the assembly end opposite the receiving end 12 The junction of the end 13 is provided with a first threaded section 15. Further, the outer peripheral surface of the group of connection ends 13 is tapered downward and tapered, and the portion of the through hole 14 located in the group of connection ends 13 A tapered hole portion 141 that gradually expands downward is formed.

The transmission member 21 has a long rod shape, and has a first end 22 facing the receiving end 12 and a second end 23 opposite to the first end 22, and a second thread is formed on the first end 22 Section 221, and a groove is formed on an end surface of the first end 22 facing the receiving end 12 to form a transmission portion 222, and the transmission member 21 has an outer peripheral surface corresponding to the tapered hole portion 141 According to the taper of the assembly, the transmission member 21 penetrates the through hole 14 from the assembly end 13 with the first end 22 thereof, and is screwed with the first thread section 15 with the second thread section 221, and In the process of screwing, the outer peripheral surface of the transmission member 21 will gradually closely adhere to the tapered hole portion 141, and after screwing, the second end 23 will be partially exposed outside the group of connecting ends 13 To form a pushing portion 231 that can relatively abut the artificial tooth root 31.

The improved structure of the crown support base composed of the above-mentioned components, the assembly end 13 can be combined with an artificial tooth root 31 having an inner tapered hole 32, and the taper of the inner tapered hole 32 can be just The taper of the outer peripheral surface of the assembly end 13 corresponds to each other, and when combined, as shown in FIG. 3, the taper of the outer peripheral surface of the assembly end 13 can be closely fitted with the inner taper hole 32 of the artificial tooth root 31 And, after the assembly end 13 is fitted and assembled with the inner tapered hole 32 of the artificial tooth root 31 by its outer peripheral surface, the pushing portion 231 of the transmission member 21 will relatively abut against one of the inner tapered holes 32 Bottom surface 321. When the support body 11 is to be removed from the artificial tooth root 31, only a wrench tool (not shown) needs to be extended from the receiving end 12 into the through hole 14 and correspondingly embedded in the transmission On the transmission part 222 of the component 21, the transmission part 222 can be rotated by a tool to change the screwing position of the transmission component 21, and in order to avoid that the support body 11 also rotates with the transmission component 21 when it rotates, In actual operation, the support body 11 can be blocked by a finger or another jig (not shown), so as shown in FIG. 4, when the transmission part 222 is rotated to drive the transmission member 21 When moving downward along the first threaded section 15, the pushing portion 231 of the second end 23 is relatively abutted on the bottom surface 321 of the inner taper hole 32 of the artificial tooth root 31, thus restricting the direction of the transmission member 21 Downward movement, so when the transmission member 21 continues to rotate, it will reversely drive the support body 11 to move upward in a positive vertical direction, and thus the assembly end 13 of the support body 11 can be smoothly released The bonding relationship with the taper surface of the inner taper hole 32 of the artificial tooth root 31 makes the abutment body 11 can be separated from the artificial tooth root 31 smoothly.

The original composition composed of the above structure can have the following advantages: 1. The structure of this creation is simple, easy to manufacture, and it can ensure that the force angle when the abutment body 11 is removed from the artificial tooth root 31 is maintained in a positive vertical direction, so that it can be quite labor-saving and fast during the removal process. It can also effectively solve the problem of jaw bone injury caused by incorrect extraction angle or excessive force. 2. In this creation, the through hole 14 located in the connection terminal 13 is formed with a tapered hole portion 141 that gradually expands downward, so that the transmission member 21 can be connected with the first end 22 from the assembly When the end 13 passes through the through hole 14, an additional guiding effect for the passing path is generated. 3. In this creation, a portion of the through hole 14 located in the group of connection terminals 13 is formed with a tapered hole portion 141 that gradually expands downward, and the outer peripheral surface of the transmission member 21 has a tapered hole portion that can be connected with the tapered hole portion. 141 The matching (ie complementary) tapers correspond to each other, so that after the transmission member 21 is screwed with the second threaded section 221 and the first threaded section 15, the outer peripheral surface of the transmission member 21 can be connected with the tapered hole The portion 141 is closely attached to effectively prevent loosening, and in turn, the assembly end 13 of the abutment body 11 can form a solid structure to ensure its structural strength.

However, the disclosures of the above embodiments are only used to illustrate this creation, not to limit this creation. Therefore, any change in numerical value or replacement of equivalent elements should still fall within the scope of this creation.

In summary, when the person who is familiar with this skill understands that the creation can achieve the aforementioned purpose, and in fact complies with the provisions of the Patent Law, the application is submitted in accordance with the law.

(Learning part) 90: Support stand 91: Crown 92: take over 93: Artificial tooth root 931: cone bore 94: group connection end (This creative part) 11: Support body 12: Accepting end 13: group connection end 14: through hole 141: Tapered hole 15: first thread segment 21: Transmission parts 22: the first end 221: second thread segment 222: Transmission Department 23: Second end 231: Pushing Department 31: Artificial tooth root 32: inner cone hole 321: Underside

Figure 1 is a three-dimensional exploded view of the creation. Figure 2 is a schematic diagram of the structure after the creation and assembly. Figure 3 is a schematic diagram of the state of use when the creation is combined with the artificial tooth root. Figure 4 is a schematic diagram of the disassembly state when the creation is separated from the artificial tooth root. Figure 5 is a schematic view of the structure of a conventional dental support stand.

11: Support body

12: Accepting end

13: group connection end

14: through hole

141: Tapered hole

15: first thread segment

21: Transmission parts

22: the first end

221: second thread segment

222: Transmission Department

23: Second end

231: Pushing Department

Claims (6)

An improved structure of tooth crown support base, including: A table body has a receiving end extending upwardly for engaging the crown, and a connecting end extending downwardly for being assembled in an artificial tooth root, and the table body is opened along its axial direction A through hole penetrating the receiving end and the connecting end, and a first threaded section is provided in the through hole; and A transmission member is inserted into the through hole from the connecting end, the transmission member has a first end facing the receiving end, and a second end opposite to the first end, the first end has a The transmission part and a second threaded section, the first end is screwed to the first threaded section with its second threaded section, and the transmission section can be used to adjust the screwing position of the transmission member so that the second end can Relatively abut on the artificial tooth root. The improved structure of the crown support base according to claim 1, wherein the through hole is provided with the first threaded section at the junction with respect to the receiving end and the assembly end. The improved structure of the crown support base according to claim 1, wherein the first end of the transmission member is concavely provided with a groove on an end surface facing the receiving end to constitute the transmission part. The improved structure of the crown support base according to claim 1, wherein the through-hole portion located in the connection end forms a tapered hole portion that gradually expands downward, and the outer peripheral surface of the transmission member has The tapered hole portions correspond to the tapers of the groups, and after the transmission member is screwed with the second threaded section and the first threaded section, the outer peripheral surface of the transmission member will closely fit the tapered hole section . The improved structure of the crown support base according to claim 4, wherein after the transmission member is screwed with the second threaded section and the first threaded section, part of the second end of the transmission member will be exposed to the Outside the assembly end, a pushing portion which can relatively abut the artificial tooth root is formed. The improved structure of the crown support base according to claim 5, wherein the outer peripheral surface of the group of connection ends is tapered downward and tapered, and the artificial tooth root has a correspondence with the outer peripheral surface of the group of connection ends The inner cone hole is assembled, and after the outer end of the connection end is assembled with the inner cone hole of the artificial tooth root, the pushing part of the transmission member is relatively abutted on one bottom surface of the inner cone hole .

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