KR20140141462A - An abutment enable for accuracy insertion and implant including such abutment - Google Patents

An abutment enable for accuracy insertion and implant including such abutment Download PDF

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Publication number
KR20140141462A
KR20140141462A KR20140062145A KR20140062145A KR20140141462A KR 20140141462 A KR20140141462 A KR 20140141462A KR 20140062145 A KR20140062145 A KR 20140062145A KR 20140062145 A KR20140062145 A KR 20140062145A KR 20140141462 A KR20140141462 A KR 20140141462A
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KR
South Korea
Prior art keywords
fixture
abutment
hexa
directional
reference line
Prior art date
Application number
KR20140062145A
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Korean (ko)
Inventor
김기수
정진영
Original Assignee
주식회사 이덴테크
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Publication of KR20140141462A publication Critical patent/KR20140141462A/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
    • A61C8/0022—Self-screwing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/006—Connecting devices for joining an upper structure with an implant member, e.g. spacers with polygonal positional means, e.g. hexagonal or octagonal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0068—Connecting devices for joining an upper structure with an implant member, e.g. spacers with an additional screw
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0069—Connecting devices for joining an upper structure with an implant member, e.g. spacers tapered or conical connection

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Prosthetics (AREA)

Abstract

The present invention relates to an implant in which, when a fixture to which an abutment having a predetermined directivity is coupled is implanted, an operator is capable of implanting the fixture without paying attention to the directivity. The implant includes: a fixture implanted in an alveolar bone; a plurality of abutments having an upper portion having a directional shape and a lower portion of which one side is coupled to a coupling hole, wherein a directional hexa coupled to the hexa hole is formed on the lower portion, the plurality of abutments including hexas provided so that an angle formed by a first reference line of the directional upper potion and a second reference of the directional lower portion by the directional hexa becomes an element inn a certain aggregation; and a screw for fixing one of the plurality of abutments to the fixture by coupling the screw hole.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an abutment and an implant including the abutment,

The present invention relates to an abutment for assisting a practitioner to perform a procedure without paying attention to directionality when a fixture to which an abutment with a specific direction is attached is placed, and an implant including the abutment.

A dental implant operation generally includes an artificial tooth structure (not shown) formed by affixing a fixture, which is an artificial tooth, to an alveolar bone and fixing the tooth prosthesis to the artificial tooth root, . The term implants can be broadly used as a generic concept including these dental procedures, and narrowly, it can be used with the same meaning as a fixture. However, in this specification, the implant can mainly be interpreted as a general artificial tooth structure.

Typically, the implant is a fixture made of titanium, an abutment fixed on the fixture, an abutment screw fixing the abutment to the fixture, and an artificial tooth fixed to the abutment. Crown.

Implants can be performed only on the lost area without damaging the adjacent tooth or surrounding tissue around the lost tooth, delaying the absorption rate of the bone tissue by supporting the bone tissue, and providing the same masticatory force as the natural tooth And it can form almost the same aesthetic sense as the natural difference in appearance. Thus, recently, implants have been widely used as dental procedures for restoring damaged or lost teeth.

If the abutment has at least one orientation, the practitioner must follow the orientation of the abutment during fixture placement. This requires a high concentration of attention to the practitioner. In addition, the direction of the fixture is adjusted by adjusting the depth of the fixture. Depending on the depth of the implant, the implant fixture may be imperfectly fixed to the alveolar bone, or the alveolar bone may be damaged.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an implant that allows a fixture to be placed at an appropriate depth in an alveolar bone without worrying about the depth of a fixture to adjust the direction of the fixture when the fixture with directional abutment is engaged.

According to an aspect of the present invention, there is provided an implant according to the present invention, comprising: a fixture formed in a alveolar bone and having a hexagonal hole and a screw hole; And a hexagonal shape is formed such that an angle formed by a first reference line of the directional upper portion and a second reference line of the lower directional portion by the directional hexa is a specific set of elements, And a screw for fixing one of the plurality of abutments to the fixture through engagement with the screw hole.

In order to achieve the above object, according to the present invention, there is provided an implant according to the present invention, comprising: a fixture which is placed on an alveolar bone and has hexa at one side and a screw hole is formed at a center of the hexa, A plurality of abutments each having a hexa hole formed such that an angle formed by a first reference line of the directional upper portion and a second reference line of the lower directional portion by the directional hexa ball is a specific set of elements, And a screw to secure one of the plurality of abutments to the fixture through engagement with the screw hole.

According to another aspect of the present invention, there is provided an abutment for engaging a fixture placed on an alveolar bone, wherein each of the upper and lower bodies has a directionality, The angle formed by the second baseline of the directional lower body may be a specific set of elements.

Here, the lower body may have one of hexa and hexa balls fixed in a specific direction when engaged with the fixture, and the lower body may be made of one of the hexa and hexa balls. have.

The display device may further include a display unit for displaying an angle formed by the second reference line and the first reference line.

Further, it may further include a depression formed on an adjacent surface in the dentition direction.

In addition, the lower face of the lower body is formed with a bone on the upper side of the lower body, an adjacent face in the dentition direction is formed with an acid on the upper side of the lower body, and the recess is formed on the upper side of the lower body And occupies a certain area of the lower body, and can be gradually and deeply recessed from the outside to the center.

In addition, the shape of the upper body may correspond to the outer shape of the crown to be joined.

In addition, the length from the outer surface of the upper portion of the abutment to the outer surface of the crown may be constant in at least a portion of the abutment.

Due to the abutment set having various degrees of deformation, it is possible to arrange the fixture at an appropriate depth irrespective of the directionality of the fixture at the time of fixture placement, thereby improving the effect of the operation work, and the fixture can be optimally placed in the alveolar bone, This is possible.

1 shows an implant according to an embodiment of the present invention,
Fig. 2 is a schematic view of the abutment provided on the implant according to Fig. 1 as viewed from below,
Fig. 3 is a view showing a crown-bound bonding to abutment,
Figure 4 shows an implant according to another embodiment of the present invention,
Figure 5 shows an implant according to another embodiment of the present invention.

Hereinafter, various embodiments of the dental treatment implant according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic view of an implant according to an embodiment of the present invention, FIG. 2 is a schematic view of an implant provided with the implant according to the present invention, and FIG. 3 is a cross- .

Fig. 1 (a) is a plan view of an abutment when viewed from an adjacent face, Fig. 1 (b) is a plan view when viewed from a face, and Fig. 1 (c) and Fig. 1 (d) are sectional views of an implant fixture.

Referring to FIGS. 1 and 2, the implant according to the present embodiment may include an implant fixture 100 and an abutment 200.

The implant fixture 100 may be formed with a fastening hole into which the abutment 200 is inserted at one side and a drilling shape or a tapered shape at the other side in order to be placed in the alveolar bone. The fastening hole includes a screw hole 130 in which a coupling screw (not shown) is fastened, a hexagonal hole 120 to which the hexa of the abutment 200 is coupled, and a lower body of the abutment 200 A taper hole 210 may be provided.

The abutment 200 is combined with the tapered lower body 210 and the hexagonal hole 120 of the implant fixture 100 to provide rotational resistance so that the abutment 200 is inserted into the implant fixture 100 An abutment upper body 230 of a shape corresponding to the shape of the hexa 220, the temporary crown or the permanent prosthesis (crown), which prevents it from rotating.

The implant according to the present embodiment may have a plurality of abutment sets (sets) of abutments, and each abutment of the abutment set may have a deviation . The first reference line 280 can be set to any line of the upper structure of the abutment 200 and the second reference line 270 can be set to any line of the directional hexa 220. [ The degree of misalignment is preferably a specific multiple of 0 to less than 30 degrees. For example, referring to Figs. 2 (a) to 2 (f), the degree of distortion may be a multiple of 5, such as "0 degrees, 5 degrees, 10 degrees, 15 degrees, 20 degrees, and 25 degrees.

Each abutment of the abutment set has at least one or a combination of the upper body 230 and the lower body 210 that are directional and must be machined in a specific direction corresponding to each direction. For example, one side of the abutment may be secured to the implant fixture 100 to be aligned in the dentition or the other side of the abutment should be secured to the implant fixture 100 to match the lingual surface. In general, the basis for the directional abutment to be aligned in a specific direction is that the one baseline of the hexa hole 120 of the implant fixture 100 should be placed in a specific direction. In order for the hexa ball 120 to be positioned at an accurate angle, the operator must exert a high degree of concentration. If the implant fixture is reversed or rotated forward to align the direction of the hexa ball, the implant fixture may be imperfectly fixed to the alveolar bone, or the bone may be broken or cracked between the threads of the fixture. The initial fixation force of the first and second electrodes may be lowered. When the hexa balls 120 are placed in a predetermined direction, the implant fixture 100 may not be placed at an appropriate depth into the alveolar bone.

However, the implant according to the present embodiment allows the practitioner to place the implant fixture without considering the orientation to an appropriate depth with an appropriate torque. This is because it is necessary to select an appropriate abutment according to the degree of deviation of the hexa balls 120 from the predetermined direction. Since the orientation of the hexa balls 120 is not required to be taken into consideration, the abutment to which the directionality matches is selected among the abutment sets. For example, if an implant fixture is placed properly and there is not enough distortion, a 0 degree first abutment can be used.

The abutment 200 may further include a label portion 260 indicating a degree of misalignment. Although the extent to which each abutment may be affixed to the storage for storing abutment sets, the labeling section 260 may provide an intuitive degree of misalignment to the practitioner. A part of the label portion 260 can be provided from the metal billet before processing in abutment processing. A display portion for indicating the degree of deformation in the label portion 260 may be attached to a pole provided from an adhesive force or a transition metal bulge. The pawls provided from the metal billet before machining can be machined to easily fall off.

The abutment 200 may be formed to have a boundary line 240 corresponding to the boundary with the gingival sits where the abutment is to be placed. That is, a bone may be formed on the upper side of the lower body 210 in the oral cavity of the abutment, and a shape in which the lower body 210 forms an acid on the adjacent side in the dentition.

The abutment 200 may have a depression 250 on an adjacent surface of the lower body 210. At least a portion of the depression 250 may be formed in an elliptical shape and may have an area starting from a portion of the boundary line 240 of the adjacent surface to a certain point of the lower body 210, It can be formed so as to become gradually deeper. The depression 250 can serve as a space in which the already formed gingiva can be mounted without being subjected to strong pressure. Such a space can ensure a sufficient amount of gingiva. Sufficient gingiva can prevent the occurrence of black triangles (voids that occur between the teeth when the gum bottoms due to alveolar bone collapse) that occur during the conventional implant procedure. The abutment 200 can provide a function similar to a natural tooth by the depression 250.

Figure 3 (a) shows the abutment surface of the abutment to which the crown is engaged, and Figure 3 (b) shows the abutment surface of the abutment. For convenience of explanation, the upper side of each figure shows a cross section and the lower side shows an outer side.

3, the abutment 200 preferably corresponds to the outer shape of the crown 290 (temporary or semi-permanent) to which at least a portion of the upper body 230 is to be engaged. This structure can improve the bonding force between the crown tube 290 and the upper body 230 and can disperse the force acting on the crown tube 290 over the entire region of the upper body 230.

1 to 3, the reference for selecting an abutment in an abutment set, that is, a direction, is determined by the size, shape, shape, position to be placed, type of tooth to be placed, The shape and state of the alveolar bone to be implanted at the time of surgery, as well as the shape and shape of the above-mentioned boundary line 240, depression 250, or crown-reducing upper body 230. This directionality can be determined by any one element or two or more elements. In the case of constructing a set considering all factors, the number of cases becomes very large, so that the number of elements constituting a set can be made equal to or less than the predetermined number by standardizing each numerical value or shape in the sample group.

4 shows an implant according to another embodiment of the present invention. Fig. 4 (a) shows the abutment of the crown-coupled abutment, and Fig. 4 (b) shows the abdomen of the abutment. For convenience of explanation, the upper side of each figure shows a cross section and the lower side shows an outer side. Please refer to Figs. 1 to 3. Descriptions of corresponding elements are omitted.

4, the upper body 230 of the abutment 200 preferably corresponds to the outer shape of the crown 290 (temporary or semi-permanent) to be engaged. It is preferable that the length from the outer surface of the upper body 230 to the outer surface of the crown to be engaged is constant in a certain region. Such a shape allows uniform color to be realized in the crown 290, thereby enhancing the esthetics. This shape also makes it easier to predict the shrinkage rate of the crown during manufacture, which can improve the accuracy of crown preparation.

Figure 5 shows an implant according to another embodiment of the present invention. Fig. 5 (a) shows a cross section of an abutment and a fastening screw, Fig. 5 (b) shows a plan view of an implant fixture, and Fig. 5 (c) shows a cross section of a fixture. 1 to 3, the outline of the abutment is substantially the same as that described in Figs. 1 to 3, and a description thereof will be omitted.

Referring to FIG. 5, the implant according to the present invention may include an abutment 200 and an implant fixture 400.

The implant fixture 400 may have a hexa 420 inserted into the abutment 300 on one side and a drillable or tapered shape on the other side to be placed in the alveolar bone. The implant fixture 400 may include a screw hole 430 into which an engaging screw 500 for engaging a fixture and an abutment is fastened.

The abutment 300 is coupled with the tapered lower body 310 and the hexa 420 of the implant fixture 400 to provide rotational resistance so that the abutment 300 is rotated within the implant fixture 400 The abutment upper body 330 having a shape corresponding to the shape of the hexa hole 320, the temporary crown, or the permanent prosthesis (crown). The abutment 300 may be formed with a cavity 390 for the engagement screw.

The implants mentioned in FIGS. 1 to 3 are internal type implants, and the implants mentioned in FIG. 5 are external type implants. The internal type and the external type are opposite to each other in the arrangement of hexa and hexa balls. Thus, as with the above-described internal-type implants, the degree of misalignment between any of the reference lines of the directional abutment 300 and the arbitrary baseline of the directional hexabol 320 may be different from that of the abutment set. The abutment 300 may further include a label portion 360 indicating a degree of a deviation from the hexa hole 320. [

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.

100: Fixture 120: Hexagonal
200: abutment 220: hexa
300: abutment 320: hexa ball
400: Fixture 420: Hexa

Claims (9)

An abutment that engages a fixture that is placed in the alveolar bone,
Wherein each of the upper and lower bodies is directional and the angle formed by the first reference line of the directional upper body and the second reference line of the directional lower body is a specific set of elements. The method according to claim 1,
Wherein the lower body has one of hexa and hexa balls fixed in a specific direction when engaged with the fixture,
Wherein the orientation of the lower body is by one of the provided hexa and hexa balls. The method according to claim 1,
And a display unit for displaying an angle formed by the second reference line and the first reference line. The method according to claim 1,
Further comprising a depression formed on an adjacent surface in a dentition direction. 5. The method of claim 4,
Wherein the lower face of the lower body is formed with a bone on an upper side of the lower body and the face adjacent to the dentition is formed with an acid on an upper side of the lower body,
Wherein the depressed portion starts from a mountain formed on an upper side of the lower body and occupies a certain area of the lower body and is recessed gradually from the outside to the center. 5. The method of claim 4,
Wherein the shape of the upper body corresponds to an outer shape of the crown to be joined. The method according to claim 6,
Wherein the length from the outer surface of the upper body to the outer surface of the crown to be engaged is constant in at least a portion of the area of the abutment. A fixture which is placed in the alveolar bone and in which a fastener having a hexa ball and a screw hole is formed;
Wherein a directional shape is formed at least on an upper portion thereof, a lower portion thereof is coupled to one side of the fastening hole, and a lower portion of the lower hexagonal portion is formed with a hexagonal direction of coupling with the hexagonal hole of the fixture, A plurality of abutments each having a hexa formed such that the angle formed by the second reference line of the lower direction by the first reference line is a specific set of elements; And
And a screw to secure one of the plurality of abutments to the fixture through engagement with the screw hole. A fixture which is placed in the alveolar bone and has hexa at one side and a screw hole is formed at the center of the hexa;
Wherein a directional hexagonal hole is formed at least on an upper portion thereof and a hexagonal hole is formed on the lower portion thereof so as to engage with hexagonal portion and an angle formed by a first reference line of the directional upper portion and a second reference line of the lower directional portion by the directional hexagonal portion A plurality of abutments each of which has a hexa hole formed to be an element of the plurality of abutments; And
And a screw to secure one of the plurality of abutments to the fixture through engagement with the screw hole.
KR20140062145A 2013-06-01 2014-05-23 An abutment enable for accuracy insertion and implant including such abutment KR20140141462A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR1020130063188 2013-06-01
KR20130063188 2013-06-01
KR1020130120126 2013-10-08
KR20130120126 2013-10-08
KR20130148149 2013-12-01
KR1020130148149 2013-12-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109745131A (en) * 2019-02-20 2019-05-14 重庆医科大学附属口腔医院 Mandible posterior forces down device
KR102019873B1 (en) 2019-05-27 2019-09-09 주식회사 에즈덴탈 Coupling Structure of non_hexa abutment and fixture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109745131A (en) * 2019-02-20 2019-05-14 重庆医科大学附属口腔医院 Mandible posterior forces down device
CN109745131B (en) * 2019-02-20 2020-12-04 重庆医科大学附属口腔医院 Lower jaw posterior teeth depressing device
KR102019873B1 (en) 2019-05-27 2019-09-09 주식회사 에즈덴탈 Coupling Structure of non_hexa abutment and fixture

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