KR20090108394A - Dental implant comprising from wide implant and mini implant - Google Patents

Abstract

PURPOSE: An implant apparatus consisting of a wide implant and a mini implant is provided, which makes initial fixing easy by removing the bone to the minimum and shortens dental prosthesis time. CONSTITUTION: An implant apparatus comprises: a wide implant in which a hole penetrated to the top and bottom is formed; a mini implant(40) which adheres to the bone through the hole and has the length longer than the wide implant(20). The wide implant comprises a head unit in which a tooth crown is fixed; a connection part which is extended below the lower part of the head unit and is reclaimed to the soft tissue; and a leg unit which is extended under the lower part of the connection part and is reclaimed to the bone. The mini implant comprises a head unit in which a tooth crown is fixed; a connection part which is extended below the lower part of the head unit, is inserted in the hole of the wide implant, and is combined; and a leg unit which is extended under the lower part of the connection part and is reclaimed to the bone.

Description

Dental implant comprising from wide implant and mini implant

The present invention relates to a dental implant, and more specifically, a structure (interfering neural tube, maxillary sinus, etc.) which is a obstacle to the procedure is located in close proximity to the treatment site, which can be used even when the procedure is impossible and a mini implant penetrating it. It relates to a configured dental implant.

Nowadays, prosthetic treatment through implantation is performed for the purpose of semi-permanently recovering lost or missing teeth. Prosthetic treatment through such an implant procedure is a condition that greatly contributes to the functional, aesthetic and mental stability to the person undergoing the procedure.

Currently developed and used implants have a fixture structure and surface treatment method suitable for each manufacturer's characteristics, and are made based on the scientific basis and accuracy of bone osseo-integration.

In addition, abutments are used to implant fixtures that conform to the quality, quantity or shape of the alveolar bone and to easily form and secure the head structure. Representative abutments include a double structured abutments and angled abutments having arbitrary inclination angles. Head structure manufactured using implant abutment can be classified into three types, screw type, cemented type, and combination type. Has advantages and disadvantages One of the most important problems to consider in the manufacture of this type of head structure is the screw loosening of abutment screws that screw the fixture and abutment. Although efforts have been made to prevent the screw loosening of the abutment screw in the implant, the screw loosening is not completely prevented. Therefore, there is a need for an improvement technique for preventing screw loosening in implants. In the present invention, since the core is located in the head portion of the wide implant and the mini implant without the existing abutment, the screw loosening phenomenon can be completely eliminated.

In addition, in the conventional implant technology, a mount fitted to the fixture head portion must be used during surgery to fix the fixture to the alveolar bone, and an impression copping is a pre-impression fastening tool for creating an artificial tooth model. ) Also has a complex structure.

In such an implant technology, if the implant procedure can be performed without using the abutment, the convenience of prosthetic treatment and the cost of purchasing the surgical equipment can be reduced.

Therefore, the present inventors have made diligent research efforts to overcome the problems of the prior art, when the procedure using the implant device consisting of a wide implant and a mini-implant, the case where the implant procedure is impossible is greatly reduced, the procedure is easy, many It has a better prognosis for patients with peri-implantitis around the implant in the form of a multi-root, a natural tooth structure consisting of four mini-implants. It can be removed, and the cost can be reduced by not using the abutment, and the prosthesis can be reduced by using the core of the head of the mini implant and the wide implant, thereby reducing the pore cost and the initial fixation It is excellent to confirm that the prosthetic time can be shortened and to complete the present invention. It was.

Therefore, the main object of the present invention is to greatly reduce the case that the implant procedure is not possible, the procedure is easy, and a better prognosis for patients with peri-implantitis around the implant in the form of a multi-root consisting of several mini implants Minimized bone removal for ease of initial fixation, easy removal of anatomical structures, cost savings without the use of abutments, cores in the heads of mini implants and wide implants It is possible to reduce the porosity cost by using the core (prosthetic), and to provide an implant device consisting of a wide implant and a mini implant having the advantages of excellent initial fixation to reduce the prosthetic time.

The implant of the present invention consists of a wide implant and a mini implant. The wide implant includes a head portion connected to the dental prosthesis, a ground portion formed by grinding and recessing the gingiva soft tissue portion, and a leg portion embedded or contacting the bone. In addition, the interior has one to five through holes to allow the mini implant to be inserted and reach the bone. The mini implant can penetrate the alveolar bone and the upper and lower jaw through the wide implant, the head part can form the core, the round connection part in contact with the wide implant, and the screw part to be fixed inside the bone to maintain fixation. It consists of a leg portion made up of. The present invention relates to an implant device that may be coupled via a thread formed in the central through-inside portion of the wide implant and a thread formed in the mini implant connection portion.

According to an aspect of the present invention, the present invention is a dental implant that is placed in the bone to act as a root, a wide implant provided with a circular hole penetrating up and down; And a mini implant having a length longer than that of the wide implant and adhering to the bone through the circular hole; It provides a dental implant comprising a. The bone where the wide implant and the mini implant of the present invention can be embedded may be mainly alveolar bone, but may include the alveolar bone and the maxilla or mandible below it according to the symptoms of the patient, and in the patient without the alveolar bone, the maxilla or It can be a mandible.

In the dental implant of the present invention, the wide implant is a head portion to which the dental prosthesis is fixed, a connection portion which extends under the head portion and is embedded in the gingival soft tissue or is in contact with the bone, and an outer peripheral surface extending below the connection portion It consists of legs that are threaded in and embedded in the bone. In addition, the mini implant can penetrate the alveolar bone and the upper and lower jaw through the wide implant, protruding above the wide implant during the procedure, the head portion is fixed to the dental prosthesis, and extends below the head portion in the hole of the wide implant It is composed of a connecting portion inserted and coupled with a circular cross-sectional shape, and a leg portion extending from below the connecting portion and having a thread on the outer circumferential surface and embedded in the bone to induce bone adhesion. In the present invention, the dental prosthesis may be a crown prosthesis made of a brass, a dental canal, or a synthetic resin tube. The dental prosthesis may be installed through a core in the wide implant and mini implant of the present invention. The core used to install the dental prosthesis in the dental implant of the present invention may be a core of any natural or synthetic material that can be used in the art, and composite resins or amalgams are conventionally used in the art.

In the implant device of the present invention, the connection portion of the wide implant is concave in the outer peripheral surface, it can be made so that the gingival soft tissue (soft tissue) is easy to adhere and easy to manage. The outer circumferential thread of the wide implant leg may be a tapered thread, and the structure may facilitate embedding in the alveolar bone and the upper and lower mandibles. The circular hole penetrated up and down of the wide implant has a diameter of 1-3 mm.

 The mini-implant head portion has a shape protruding above the wide implant so as to serve as a post of natural teeth when forming the core. In addition, the mini-implant head portion is configured in the shape of an angular screw head to facilitate gripping on the tool when the mini implant is placed, the connecting portion is formed in a circular shape of the vertical cross-section. The preferred shape of the angled screw head of the mini implant may be rectangular, pentagonal, or hexagonal. In addition, the insertion groove is formed on the upper surface of the head of the mini implant can be easily coupled with the tool. The insertion groove includes any shape used in the art, but preferably, the cross shape or the straight shape is preferable.

In the implant device of the present invention, the head portion of the mini implant having a length of 3-6mm, the connection portion 2-5mm, and the leg portion 3-15mm is advantageous when implanted in the alveolar bone (or including the mandible or maxilla).

In the dental implant of the present invention, the upper and lower holes of the wide implant are characterized in that 1 to 5, preferably 2 to 4 it is preferable.

In the dental implant of the present invention, it may further include a nut that can be fastened to the leg portion of the mini-implant.

In the dental implant of the present invention, a screw thread may be formed on the inner circumferential surface of the hole penetrated up and down of the wide implant and the outer circumferential surface of the mini implant, and the wide implant and the mini implant may be fastened through the thread. The bone fastening strength of the implant can be increased as a whole.

In the dental implant of the present invention, the wide implant is composed of only the head portion and the connecting portion without the leg portion having a thread formed for bone adhesion can be placed on the bone without being placed in the alveolar bone (including the upper and lower jaw bone), up and down Through the thread of the inner circumferential surface of the hole to be penetrated and the thread of the outer circumferential surface of the mini implant connection portion, it can be fixed to the alveolar bone or jaw bone (upper, lower jaw bone) by the binding mini implant. In this case, the fixed mini-implant may protrude out of the bone and increase the fixing strength of the dental implant of the present invention by using a nut that can be fastened to the leg portion. When using the above-mentioned dental implant consisting of a wide implant without the leg portion and a mini-implant bonded with a nut, the bone portion of the wide implant cannot be directly implanted according to the patient's symptoms, The maxillary sinus and the like can be provided as a useful procedure if the position is closely located.

In the dental implant of the present invention, the vertically penetrating holes of the wide implant may be formed vertically, but are not necessarily limited thereto, and may be formed to be inclined up and down, and the degree of inclination is severe. It may be formed to be guided to the outer surface of the leg portion of the wide implant. When the hole is formed to be inclined, the mini implant inserted into the hole is also inclined through the hole of the wide implant, in which case the mini implant may protrude to the side of the alveolar bone (including the upper and lower jaw bones). Mini-laterally protruding mini-implant can increase the fixation strength of the implant of the present invention using a nut that can be fastened to the leg portion, thereby increasing the fixation strength of the implant of the present invention as a whole. In addition, when the procedure is impossible because the lower extremity neural canal or maxillary sinus, which is an obstacle to the procedure, is located close to the surgical site, the lower incisoral neural tube or the maxillary sinus is avoided due to the inclined hole and the mini implant implanted therein. It allows the treatment of the dental implant of the invention.

In the dental implant of the present invention, the upper end of the wide implant head portion has a horizontal cross-sectional shape is formed in a polygon, such as a square, pentagon, hexagon, etc. can be easily gripped by a tool, after implantation dental prosthesis and The length of the prosthesis is such that it does not rotate in combination with the core. In addition, the lower end of the wide implant head portion becomes wider toward the bottom and the side shape is concavely curved to connect with the connection portion, it can be determined that the dental prosthesis has reached the correct position due to this shape similar to the margin when deleting the prosthesis. have.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

Referring to FIG. 1, a dental implant according to an embodiment of the present invention includes a wide implant 20 and a mini implant 40 placed in a bone. The wide implant 20 and the mini implant 40 are coupled through a circular hole formed by penetrating the top and bottom of the wide implant, the head portion of the wide implant 20 and the mini implant 40 is a dental prosthesis 61 And coupled to the core 62, the leg portion of the wide implant 20 and the mini implant 40 is embedded in the bone is fixed.

1 and 2, the wide implant 20 according to the embodiment of the present invention has a circular hole 24, a dental prosthesis 61, and a core 62 fixed through the upper and lower portions of the wide implant. And a head portion 21 contacting the dental prosthesis, a connection portion 22 extending below the head portion and embedded in the gingival soft tissue 63 or contacting the alveolar bone 64, and extending below the connection portion. It is composed of a leg portion 23 having a screw thread on the outer peripheral surface and embedded in the alveolar bone. In some cases, the leg portion 23 may be manufactured and used in a omitted form. The head portion 21 has a substantially horizontal cross section of the upper end 21a of the shape of a regular polygon and a shape of the regular hexagon in FIG. 2. The lower end 21b of the head portion is inclined so that the cross section of the outer surface becomes wider as the horizontal cross section goes downward.

Referring to FIG. 3, the wide implant 20 according to an embodiment of the present invention may include 1 to 5 circular holes 24 formed to penetrate up and down of the wide implant.

Referring to FIG. 4, the wide implant 20 according to an embodiment of the present invention has a circular hole 24 formed by penetrating up and down of the wide implant. The circular hole has an upper end 24a and a lower end 24b. Divided by. The upper hole 24a is always composed of one and provides a space for supporting the core prosthesis 61 for bonding the dental prosthesis 61 and the dental implant of the present invention when the dental prosthesis is installed. The lower hole 24b extending from the lower portion of the upper hole 24a may be provided with 1 to 5, and may penetrate the wide implant 20 vertically (FIG. 4A), or penetrate obliquely. (FIG. 4B). In severe cases through the inclined, it may be guided to the outer surface of the leg portion 23 of the wide implant. When the hole 24b is formed to be inclined, the mini implant inserted into the hole is also inclined, and in this case, the mini implant may protrude alveolar bone (including the upper and lower jaw bones) laterally. Mini-laterally protruding mini-implant may use a nut that can be fastened to the leg portion, in which case it is possible to increase the fixing strength of the dental implant of the present invention as a whole. Threads may be formed on the inner circumferential surface of the hole 24b penetrating up and down of the wide implant 20 and the outer circumferential surface of the mini implant connecting portion 42, and the present invention is due to the fastening of the wide implant and the mini implant through such a thread. The bone fastening strength of the dental implant can be increased as a whole.

1 and 5, the mini implant 40 according to an embodiment of the present invention can penetrate the alveolar bone 64 and the upper and lower jaw bones under the alveolar bone through the wide implant 20, and during the procedure Protruding above the wide implant 20 to fix the dental prosthesis 61, the head portion 41 having a horizontal cross section of a square, extending below the head portion is inserted into the hole 24 of the wide implant and coupled horizontally It is composed of a connecting portion 42 having a circular cross section, and a leg portion 43 extending below the connecting portion and having a thread on the outer circumferential surface thereof and embedded in the bone to induce bone adhesion.

5 and 6, the insertion groove is formed on the upper surface of the head portion 41 of the mini implant according to an embodiment of the present invention can be easily coupled with the tool. The insertion groove includes any shape used in the art, but preferably, the cross shape or the straight shape is preferable.

In the drawing, a wide implant and a mini implant have been described with respect to a dental implant implanted in the alveolar bone (including the upper and lower jaw bone) through the upper and lower holes of the wide implant, but the present invention is not necessarily limited thereto. Those skilled in the art will be able to play a role as an implant that is used as a tooth root for fixing the dental prosthesis by implanting the wide implant and the mini implant of the present invention at the same time or the wide implant is fixed to the bone using the mini implant. I can understand.

As described above, according to the implant of the present invention, the case where the implant procedure is impossible is greatly reduced, the procedure is easy, and several mini implants coupled to the wide implant are in the form of multi-root, which is a natural tooth structure, and the alveolar bone (including the upper and lower jaw bones). Increase binding strength and have a better prognosis in patients with peri-implantitis around the implant. In addition, since the bone of the implant is removed to the minimum with the implant of the present invention, the initial fixation is easy, and due to the multi-root shape, the anatomical structure can be easily escaped, and the abutment is not used separately, thereby reducing the cost. In addition, general prostheses can be utilized by utilizing cores in the head portions of mini-implants and wide implants, thereby reducing pore costs, and reducing prosthetic periods due to excellent initial fixation.

1 is a cross-sectional view showing a state in which a wide implant and a mini implant according to an embodiment of the present invention.

2 is a front view (a) and a perspective view (b) of a wide implant according to an embodiment of the present invention.

3 is a plan view of a wide implant with two, three, and four up and down circular holes in accordance with one embodiment of the present invention.

4A is a cross-sectional view of a wide implant with two vertically pierced holes, in accordance with one embodiment of the present invention.

4B is a cross-sectional view of a wide implant with two circularly sloping circular holes in accordance with one embodiment of the present invention.

5 is a plan view (a), a front view (b), and a perspective view (c) of a mini implant according to an embodiment of the present invention.

FIG. 6 is a diagram illustrating various examples of sageji red formed on an upper surface of a head of a mini implant according to an embodiment of the present invention. FIG.

Claims (7)

In the dental implant that is placed in the bone and acts as a root, A wide implant provided with a hole penetrating up and down; And A mini implant having a length longer than that of the wide implant and adhering to the bone through the hole; Dental implant comprising a. The method of claim 1, The wide implant includes a head portion to which a dental prosthesis is fixed, a connection portion extending from below the head portion and embedded in gingival soft tissue, and a leg portion extending from below the connection portion and having a thread on the outer circumferential surface and embedded in the bone. Become, The mini implant is a head portion in which a dental prosthesis is fixed, a connection portion extending below the head portion and inserted into and coupled to the hole of the wide implant, and a leg portion extending from the connection portion and having a thread on the outer circumferential surface and embedded in the bone. Constructed Dental implants characterized in that. The dental implant according to claim 1 or 2, wherein the vertically penetrated holes are 1 to 5, respectively. The dental implant of claim 2, wherein an inner circumferential surface of the hole of the wide implant has a thread and engages with a thread formed on an outer circumferential surface of the mini implant. The dental implant of claim 2, wherein the hole of the wide implant is formed to be inclined. The dental implant of claim 2 or 5, further comprising a nut that can be fastened to the leg of the mini-implant. The dental implant of claim 2, wherein the upper end of the wide implant head portion has a polygonal shape in a horizontal cross section, and the lower end portion of the wide implant head portion is widened toward a lower side and the side surface thereof is concavely curved.

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