WO2015167050A1 - Membrane barrière pour implant - Google Patents

Membrane barrière pour implant Download PDF

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Publication number
WO2015167050A1
WO2015167050A1 PCT/KR2014/003889 KR2014003889W WO2015167050A1 WO 2015167050 A1 WO2015167050 A1 WO 2015167050A1 KR 2014003889 W KR2014003889 W KR 2014003889W WO 2015167050 A1 WO2015167050 A1 WO 2015167050A1
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WO
WIPO (PCT)
Prior art keywords
implant
bone
body portion
shield
graft material
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Application number
PCT/KR2014/003889
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English (en)
Korean (ko)
Inventor
김기수
정진영
Original Assignee
주식회사 이덴테크
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 이덴테크 filed Critical 주식회사 이덴테크
Priority to PCT/KR2014/003889 priority Critical patent/WO2015167050A1/fr
Priority to CN201480078246.9A priority patent/CN106232051A/zh
Publication of WO2015167050A1 publication Critical patent/WO2015167050A1/fr

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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
    • A61C8/008—Healing caps or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/007—Dental splints; teeth or jaw immobilisation devices; stabilizing retainers bonded to teeth after orthodontic treatments
    • 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

Definitions

  • the present invention relates to a shielding film, and more particularly to a shielding film for implants.
  • the dental implant procedure is generally completed by dissecting the patient's gums and inserting an implant post into the gum bone (called 'alveolar bone') therein, and joining an artificial tooth (Crown) to the implant post.
  • the alveolar bone in which the fixture is placed needs sufficient length and width. Bones are often absorbed or lost by other tissues. In this case, bone guidance regeneration (also called 'bone regeneration') is required. Unlike other tissues, bone has the only potential to fully recover the body's structure. However, a basic condition is required for bones to regenerate in the correct form: mechanical stability and abundant blood supply.
  • Biological requirements for bone induction regeneration include blood supply, stabilization, osteoblasts, limited space, space retention, and incisional wounds. Several surgical procedures are performed for this purpose. Providing proper pressure on the bone graft can increase adhesion and help bone formation.
  • shielding membranes are used for stabilization and limited space.
  • the shield helps protect blood clots, prevents soft tissue cells from migrating to bone defects, and allows bone cells to settle.
  • Embodiments of the present invention to stably support the bone graft material to provide an implantable shield membrane that can be performed to guide bone regeneration.
  • the implant membrane comprising an implant post coupled to the alveolar bone and a body portion covering the bone graft material added for induction of bone regeneration around the alveolar bone, the body portion for implants formed of bone components
  • a shielding film can be provided.
  • the body portion may include at least one bent portion formed to be bent to one side.
  • the body portion formed of the bone component may be a heterologous bone or synthetic bone.
  • the body portion may be formed by cutting the distal bone.
  • a space is formed inside the body portion, and may be installed so that at least one of the implant post and the bone graft material is inserted through the opening of the space.
  • the implant shield may further include a protrusion formed to protrude from the body portion.
  • the body portion and the protrusion may be formed of different materials.
  • the protrusion may be formed of at least one of a metal material and a plastic material.
  • the protruding portion may be tightly coupled to a concave portion formed on the upper surface of the temporary bolt fastened to the female coupling portion or the crown coupling female screw portion formed on the upper surface of the implant post.
  • the implant shield is formed of the bone graft material, and may further include a pad portion attached to the body portion in the form of a pad.
  • the body portion may be formed through the through-holes.
  • the plurality of through holes are provided, the plurality of through holes may be different from each other in diameter.
  • the through hole may be formed only in a portion of the body portion.
  • the body part may include a fixing member coupling part to which at least one of the alveolar bone and the bone graft material and a fixing member fixing the body part are coupled.
  • at least one surface of the body portion may be formed as a curved surface having a radius of curvature corresponding to the teeth.
  • Embodiments of the present invention can be easily absorbed by the bone graft material after the bone regeneration guided by the bone component, as well as to secure the bone regeneration space by stably supporting the bone graft below.
  • FIG. 1 is a schematic diagram showing that the dental implant device is implanted
  • Figure 2 is a cross-sectional view showing the cross-sectional view of the external dental implant device and internal dental implant device
  • Figure 3 is a shield for the implant covering the bone graft material
  • Figure 4 is a perspective view showing an implant shield according to an embodiment of the present invention
  • Figure 5 is a perspective view showing a distal bone formed with the implant shield is shown in Figure 4
  • Figure 6 is a (a ) Is a cross-sectional view showing a portion of the implant membrane and the implant post procedure is applied
  • Figure 7 is a cross-sectional view showing a portion for the implant membrane and implant post procedure shown in Figure 4 (b)
  • Figure 8 is a view of the present invention
  • 9 is a perspective view showing a shield for an implant according to another embodiment
  • FIG. 9 shows a shield for an implant according to another embodiment of the present invention.
  • 10 is a perspective view showing an implant shield according to another embodiment of the present invention
  • FIG. 11 is a perspective view of an implant shield according to another embodiment of the present invention
  • FIG. 12 is a line AA and BB of FIG. 13 is a perspective view of an implant shield according to another embodiment of the present invention
  • FIG. 14 is a perspective view of an implant shield according to another embodiment of the present invention
  • FIG. 15 is another embodiment of the present invention.
  • FIG. 16 is a plan view illustrating a shape of a through hole of an implant shield membrane according to an embodiment of the present invention.
  • a dental implant device generally refers to an artificial dental structure formed by implanting a fixture, which is an artificial tooth root, at a part or a whole where a tooth is lost, thereby adhering it to the alveolar bone, and fixing the dental prosthesis to the artificial tooth root.
  • the term implant can be used broadly to encompass such a concept as a dental procedure and can be used as narrowly as a fixture.
  • the implant or implant structure may be mainly used as a general artificial tooth structure.
  • 1 is a schematic diagram showing that the dental implant mechanism is placed.
  • 2 is a cross-sectional view showing a cross section of the implant mechanism.
  • the dental implant apparatus may include a bone tissue coupling part 10, a crown connection part 20, an abutment 30, and a crown 40.
  • the bone tissue coupling part 10 and the crown connection part 20 will be referred to as an implant post 1.
  • the crown connection part 20 may have a lower end connected to the bone tissue coupling part 10 and an abutment 30 coupled to the upper end.
  • the crown connection portion 20 is preferably formed integrally with the bone tissue coupling portion (10).
  • the implant has a detachable and detachable type in which the crown connection 20 is integrally formed with the abutment 30.
  • the separate type may be divided into an internal type and an external type according to the coupling structure of the crown connection part 20 and the abutment 30.
  • FIG. 1 illustrates an external type, embodiments according to the present invention can be applied to both an internal type and an external type.
  • the outer circumferential surface of the crown connection portion 20 may be formed to protrude so that the abutment 30 is inserted, and may be formed in various shapes.
  • the crown connection 20 may be in the form of a polygonal column.
  • a groove may be formed in the abutment 30 so that the crown connection part 20 may be inserted, and the shape of the groove may also be formed to correspond to the outer surface shape of the crown connection part 20.
  • the groove in the abutment 30 may be a groove having a polygonal pillar shape when the crown connection part 20 is a polygonal pillar.
  • the crown connection portion 20 is inserted into the abutment 30 as described above, and the outer surface of the crown connection portion 20 and the inner surface of the abutment 30 correspond to each other to the abutment on the crown connection portion 20. After combining the 30 can be prevented that the crown 40 is rotated or shifted position.
  • the upper surface of the crown connecting portion 20 may be formed with a female screw portion 22 (hereinafter, referred to as a 'female thread portion') for the crown coupling recessed toward the bone tissue coupling portion 10.
  • the abutment 30 may include an insertion hole 30b into which the crown coupling bolt 50 is inserted.
  • the crown fixing bolt 50 may firmly fix the crown 40 by engaging and fixing at least one of the abutment 30 and the crown connecting portion 20.
  • the crown 40 forms the appearance of an artificial tooth.
  • Crown 40 may be referred to as a crown, an artificial tooth, or the like.
  • the crown 40 may be installed in the crown connection portion 20 by being formed in the abutment 30 in the future.
  • the implant post 1 may be referred to as being divided into a body and a head.
  • the body of the implant post 1 refers to the part that is inserted into the pubis, and the head of the implant post 1 refers to the upper part of the body and refers to the part where the crown is joined. In most cases, the head of the implant post 1 can be understood as the same portion as the crown connection 20.
  • a screw retaining method for fixing the crown (crown) to the implant post 1 (or fixture) or abutment 30 by screws Although not shown in the present specification, the abutment 30 is screwed to the fixture, and a separately manufactured crown is disposed on the fixed abutment 30, with the crown and abutment interposed therebetween with dental cement. Embodiments according to the present invention may also be applied to the cement-retaining method of attaching the cement 30.
  • FIG 3 is a cross-sectional view showing that the implantable shielding membrane 121 covers the bone graft material 60 (also referred to as "bone graft material").
  • the implant post (1) is inserted into the alveolar bone (B) after dissecting the gum of the patient.
  • GBR Grafted bone regeneration
  • to increase the alveolar bone (B) by implanting angular artificial bone into the insufficient alveolar bone (B) or inserting a powdered artificial bone (bone graft 60) ) Can be performed.
  • the bone graft material 60 is filled, to ensure that the bone graft material (60) to maintain the required shape, to prevent the soft tissue intervention and to induce the bone tissue implantation membrane 121 may be used.
  • Implant shield film 121 as described above may be formed in a variety of shapes of a variety of materials.
  • the above-described implant shield membrane 121 covers the implant post 1 and the bone graft material 60 on the alveolar bone B, and the absorbent shield membrane 121A and the absorbent shield membrane 121A absorbed into the bone tissue after bone induction regeneration. It may include at least one of the non-absorbent shielding film 121B coupled to be exposed to the outer surface to maintain the shape of the absorbent shielding film 121A.
  • the absorbent shielding film 121A is made of a biodegradable material and performs a function of a barrier for a certain period of time, and then is decomposed and absorbed into tissue. It is divided into cross-linked type and non-cross-linked type, and it is absorbed from minimum 2 weeks to maximum 54 weeks and does not require additional removal technique. Even if the absorbent shield 121A is exposed to the outside or damaged, it acts as a barrier and has a low risk of infection.
  • Absorbent shield (121A) which is mainly made of collagen, polylactic acid, and polyglactic acid, does not require secondary surgery, prevents the migration of epithelial cells, forms a space, and is selective. Induces cell proliferation and bone regeneration.
  • the absorbent shielding film 121A is elastic and is used for the purpose of blocking mechanical stress applied to the wound.
  • the absorbent shielding film 121A may be representative of collagen, and is usually made by treating collagen obtained from an animal tendon or the like.
  • Such an absorbent shielding membrane 121A is known to be somewhat delayed in bone regeneration than the non-absorbing shielding membrane, and has less side effects than the non-absorbing shielding membrane 121B and is excellent in safety.
  • the space securing ability is somewhat lower than that of the non-absorbing shielding film 121B, and the effect as a support is small.
  • the non-absorbent shielding film 121B using a metal material such as titanium (Ti) is advantageous in that it is easy to secure a period required for cell proliferation by maintaining its shape and serving as a support.
  • the implant shield layer 121 may be formed of a bone component in addition to being formed as described above.
  • FIG. 4 is a perspective view showing an implant shield membrane 200 according to an embodiment of the present invention.
  • FIG. 5 is a perspective view illustrating a distal bone in which the shielding membrane 200 for the implant shown in FIG. 4 is formed.
  • the implantation shields 200 and 200A may include body parts 210 and 210A, which are bone components.
  • the bone component may be any one or combination of allogeneic bone, synthetic bone, and heterologous bone.
  • allogeneic bone refers to human bone.
  • the body parts 210 and 210A made of allogeneic bone may be made by shaving a portion of a bone of the patient or another person.
  • a portion of the alveolar bone on which the implant post (not shown) is to be mounted may be processed into a shell to form body parts 210 and 210A.
  • Allogeneic bone can be used to remove the antigenicity in the form of freezing the graft or freeze-drying, de-freeze-dried, and irradiated, and it takes a long period of bone formation and a small amount of newly produced bone, It can be used at any time and does not create additional surgical sites.
  • the allogeneic bones include demineralized freeze dried bone allografts (DFDBA), freeze dried bone allografts (FDBA), and irradiated cancellous bone (ICB).
  • DBA demineralized freeze dried bone allografts
  • FDBA freeze dried bone allografts
  • ICB irradiated cancellous bone
  • Heterogol means bones of animals such as cattle or pigs. It is an implant that expects bone conduction ability by dropping immune plaque through various processes, and it does not need to make additional surgical site and it can be used as much as you want, but it takes a long time to absorb and replace. What is understood as the mechanism of bone conduction rather than induction is the current flow. Examples of such heterogenous bones include Bio-Oss, ABM / P-15 and BioCera TM.
  • synthetic bone means artificially formed bone.
  • Synthetic bone may be formed by mixing different materials using a heterologous bone, which is an animal bone, as part of a component, or may be formed of a material that can substitute for a bone component.
  • These synthetic bones are not actual bones, but are artificially synthesized bones, so compared to other bone grafts, the quality is inferior and the time required for bone formation is long but inexpensive.
  • non-porous hydroxyapatite (HA), hydroxyapatite cement, porous hydroxyapatite, beta tricalcium phosphate, polymethlymethacrylate (PMMA) and hydroxyet-hylmethacrylate (HEMA) polymer, and bioactive glass are used in the clinical bone.
  • HA and PMMA and HEMA polymers are nonabsorbent, tricalcium phosphate and bioactive are absorbent.
  • Types of such synthetic bones include tricalcium phosphate, hard tissue individual polymers, and bioactive vitreous cera membranes.
  • the thickness of the body portion 210, 210A as described above is preferably in the form of a thin film so as to cover in close contact with the bone graft material (not shown) added to the loss of the alveolar bone (not shown).
  • the body parts 210 and 210A as described above may be formed in various forms.
  • the body parts 210 and 210A may be streamlined or curved.
  • the body parts 210 and 210A may be formed in a hemispherical shape, a spherical shape, an elliptic shape, or the like.
  • the body parts 210 and 210A may be formed in a plate shape in addition to the above cases.
  • the body parts 210 and 210A may be formed in various shapes in consideration of the shape of the alveolar bone and the arrangement of adjacent teeth.
  • the body parts 210 and 210A will be described in detail with reference to a case in which a part is formed to be bent.
  • the body part 210 of FIG. 4A may include a cover part 211 and a first bent part 212 formed by being bent from the cover part 211.
  • the body part 211 may be bent from the body part 211 and may include a second bent part 213 disposed to face the first bent part 212.
  • the cover portion 211 may cover the upper portion of the bone graft material implanted with the implant post, the first bent portion 211 may cover the side portion of the bone graft material.
  • the second bent portion 213 may extend to the normal alveolar bone.
  • the first and second bent portions 212 and 213 may be disposed in the vertical direction of the orthodontic direction. Specifically, any one of the first and second bent portions (212, 213) may be disposed in the lip direction around the alveolar bone, and the other one of the first and second bent portions (212, 213) to the alveolar bone It can be placed in the tongue direction as the center. At this time, the alveolar bone and the bone graft material may be disposed in the space between the first and second bent portions (212, 213), the first and second bent portions (212, 213) of the alveolar bone and the bone graft material The position shift can be prevented.
  • the body portion 210A of FIG. 4B may include a cover portion 211A and a first bent portion 212A.
  • the cover portion 211A and the first bent portion 212A may be the same as or similar to the cover portion 211A and the first bent portion 212A of FIG. Let's do it.
  • At least one of the cover portion 211A and the first bent portion 212A as described above may include a fixing member coupling portion 219A.
  • the fixing member (not shown) in the form of a screw or a wedge alveolar bone of the implant shield 200A, in particular any bent portion (eg, the first bent portion 212A), of the implant through the fixing member coupling portion 219A.
  • the fixing member coupling portion 219A may have a hole shape formed to penetrate the body portion 210A.
  • the shielding membranes 200 and 200A for the implant may be processed into sponge tissue 74 or dense bone 76, and may be processed to include both dense bone 76 and sponge tissue 74.
  • the implantation shields 200 and 200A will be described in detail with reference to the processing of the dense bone 76.
  • the implant shielding membranes 200 and 200A may be processed and extracted in the required shape from the dense bone 76 located at the outer side of the distal bone 70.
  • the heterogenous bone 70 is composed of a blood vessel portion 72, sponge tissue 74 and dense bone 76 from the center to the outer shell. Since the dense bone 76 area is higher than the other areas of bone density, the shielding membranes 200 and 200A for the implant may be processed and extracted in the required shape in the dense bone 76 area.
  • the implant shields 200 and 200A may be processed and extracted in a form that can be used in the distal bone 70 through a CAD / CAM or 3D printer.
  • the CAD / CAM may be designed to be cut and extracted in the form of a shielding film (200, 200A) formed to be bent at least a portion of the dense bone (76) located on the outer portion of the distal bone (70). have.
  • the surface of the implant shield (200, 200A) may be subjected to immune response removal treatment or infection blocking treatment.
  • This treatment can be a variety of post-treatment to be harmless to humans, such as low or high temperature treatment, lyophilization, treatment with chemicals, sterilization.
  • the implant shield membrane (200, 200A) can be processed by compression molding the different bone 70 or synthetic bone components in addition to the above case.
  • the shielding film may be processed in various forms.
  • the implant shields 200 and 200A may include protrusions 220 and 220A formed on the body portions 210 and 210A.
  • the protrusions 220 and 220A may be formed in the cover parts 211 and 211A to face the implant post.
  • the protrusions 220 and 220A will be described in detail later.
  • Figure 16 is a plan view showing the shape of the through-hole of the implant shield according to an embodiment of the present invention.
  • the implant shielding film 100 ′ includes a through hole 220 ′ instead of the protrusion 220 of the implant shielding film 100 illustrated in FIG. 4A.
  • the through hole 220 ′ may allow the cover screw (or healing abutment) to pass through the implant post so that the implant shields 200 and 200A may be fixed to the implant post.
  • the through hole may be circular as shown in FIG. 15.
  • the through hole is not limited thereto and may have various shapes.
  • the circular hole 220'-1 and the bar-shaped slit 220'-2 may be combined.
  • the bar-shaped slit 220'-2 may provide flexibility to allow the implant shield to pass through a portion of the post that is larger than the diameter of the circular hole 220'-1. Protrusions provided in the implant shielding film according to various embodiments to be described later may be replaced with through holes.
  • FIG. 6 is a cross-sectional view showing a portion to which an implant shielding membrane and an implant post procedure are shown in FIG.
  • the implant post 1 may be planted in the alveolar bone B after dissecting the gum (not shown) during the implant procedure.
  • the implant post 1 may include an internal implant post or an external implant post.
  • the implant post 1 will be described in detail with reference to a case in which the implant post 1 includes an internal implant post.
  • the alveolar bone (B) When planting the implant post 1 in the alveolar bone (B) as described above, the alveolar bone (B) may be in a state in which a portion is recessed or missing depending on the condition of the patient.
  • the implant post 1 When the implant post 1 is inserted into the missing portion as described above, the holding force of the post is lowered, a problem occurs in the aesthetic prosthesis, and may adversely affect the life of the post.
  • the bone graft material 60 may be filled in a portion where the alveolar bone B is recessed or lost. At this time, the bone graft 60 may be replaced with bone only after a certain time passes. Maintaining the shape of the bone graft material 60 by installing the implant shield 200 on the outer surface of the alveolar bone B and the bone graft material 60 until the bone graft material 60 is replaced with the alveolar bone B as described above. You can.
  • the bone tissue coupling part 10 may be inserted into the alveolar bone B.
  • at least a portion of the crown connection portion 20 may protrude to the outside of the alveolar bone (B).
  • the implant post (1) as described above may be inserted into the bone graft material (60) in the alveolar bone (B) after the alveolar bone (B) is missing.
  • the implant graft 60 may be installed in the portion where the bone graft material 60 is inserted or shielded membrane 200 for the implant described above to prevent the shape change.
  • the implant shield 200 may be disposed to cover the upper surface of the implant post 1 and a part of the bone graft material 60.
  • the cover part 211 may be disposed on the upper surface of the implant post 1
  • the first bent part 212 may be disposed to contact the bone graft material 60.
  • the second bent portion 213 may contact a portion of the alveolar bone B in a direction opposite to the first bent portion 212.
  • the positions of the first bent portion 212 and the second bent portion 213 are not limited to the above, but may be disposed opposite to each other.
  • the protrusion 220 may be inserted into the female screw portion of the crown connection portion 220.
  • the protrusion 220 may be inserted into the recess 153 of the temporary bolt 150.
  • the temporary bolt 150 is installed in the crown connection portion 20 for convenience of description, and the protrusion 220 will be described in detail with reference to the case where it is inserted into the recess 153.
  • the protrusion 220 as described above may be forcibly fitted into the recess 153.
  • the recess 153 may have a polygonal pillar, a cylinder, a cone, or a hemispherical shape in which a cross section of the recess 153 perpendicular to the longitudinal direction of the recess 153 is a regular polygon such as a regular hexagon.
  • the protrusion 220 may be formed in a cylinder, cone, hemisphere or polygonal polygonal shape of a regular polygon such as a regular hexagon. In this case, the shapes of the protrusion 220 and the recess 153 may be different from each other.
  • the concave portion 153 when the concave portion 153 is formed in a polygonal column shape, the cross section of the protrusion 220 may be formed in a cylinder, a cone, and a hemispherical shape.
  • the concave portion 153 when the concave portion 153 is formed in a cylinder, cone, hemispherical shape, the protrusion 220 may be formed in a regular polygonal column shape.
  • the concave portion 153 is formed in a regular pillar shape for convenience of description, and the protrusion 220 will be described in detail with reference to a case in which it is formed in a cylindrical shape.
  • the diameter of either cross section of the protrusions 220 is greater than the shortest separation distance of the inner ends opposed to each other with respect to the center of the cross section of the recesses 153 so that the protrusions 220 are appropriately fitted to the recesses 153.
  • the center of the recess 153 may be smaller than the longest separation distance between the inner ends that face each other.
  • the implant shield membrane 200 may be mounted vertically to the implant post 1 after determining the position and direction of the implant shield membrane 200 during the procedure, and if there is an error in the orientation, the implant shield membrane ( The operation of rotating 200 can easily correct the error.
  • the protrusion 220 as described above may be formed of the same material as or similar to the body portion 210.
  • the protrusion 220 may be formed of at least one of allogeneic bone, xenograft, and synthetic bone.
  • the protrusion 220 may be integrally formed when the body portion 210 is formed, or may be separately manufactured to be coupled to the body portion 210.
  • the protrusion 220 may be formed of a material different from that of the body 210.
  • the protrusion 220 may be formed of a metal material such as titanium or a plastic material such as resin or engineering plastic.
  • the protrusion may be formed by mixing a metal and a plastic material.
  • the protrusion 220 may be manufactured separately from the body 210 and installed on the body 210.
  • the protrusion 220 may be formed of a metal material or a plastic material, and then a part of the protrusion 220 may be inserted into and coupled to the body 210 or may be fixed to the body 210 through an adhesive material.
  • the protrusion 220 will be described in detail with reference to a case in which the protrusion 220 is integrally formed with the body 210.
  • the bone graft material 60 may be completely bonded to the alveolar bone B.
  • the implant shield 200 may help to securely secure the bone graft (60) to the alveolar bone (B) by maintaining the shape of the bone graft (60).
  • the implant shield membrane 200 may be formed of a bone component to help the bone graft material 60 to rest in the alveolar bone B in a short time.
  • FIG. 7 is a cross-sectional view showing a portion to which the implant shielding membrane 200A and the implant post 1 procedure shown in FIG. 4B are applied.
  • the shape of the bone graft material 60 may be maintained using the implant shield 200A during the implant procedure.
  • the implant shield 200A may support the bone graft material 60 by being installed to cover a portion of the implant post 1, the bone graft material B, and the alveolar bone 60 as described above with reference to FIG. 6.
  • the protrusion 220A may be installed to be inserted into the recess 153 of the temporary bolt 150
  • the cover portion 211A may be installed to cover the upper surface of the implant post (1).
  • the first bent portion 212A may be installed to cover the portion of the bone graft material (60).
  • the fixing member 300 may be coupled to the fixing member coupling part 219A. Specifically, after the body portion 210A is disposed as described above, when the fixing member 300 is coupled to the fixing member coupling portion 219A, the fixing member 300 penetrates through the body portion 210A to allow the bone graft material 60 to form. It can be inserted into the part. That is, the fixing member 300 may prevent the bone graft material 60 from moving to the first bent portion 212A by completely contacting the first bent portion 212A to the bone graft material 60. At this time, the fixing member 300 may be formed in the form of bolts, screws, pins and the like.
  • the implant shield 200A may help the bone graft 60 to settle in a short time.
  • the implant shield membrane 200A may maintain the shape of the bone graft material 60 by fixing the body portion 210A to at least one of the alveolar bone B and the bone graft material 60 through the fixing member 300.
  • FIG. 8 is a perspective view showing an implant shield (200C) according to another embodiment of the present invention.
  • the shielding film 200C for the implant may include a body portion 210C formed in a hemispherical shape. At this time, a space may be formed inside the body portion 210C. At least one of an implant post (not shown) and a bone graft material (not shown) may be disposed and covered in an internal space of the body portion 210C as described above.
  • the body portion 210C may be formed of a bone component. In this case, since the bone component may be formed in the same or similar to that described above, a detailed description thereof will be omitted.
  • the implant shield layer 200C may include a protrusion 220C formed in an internal space of the body portion 210C.
  • the protrusion 220C may prevent the position of the implant shielding film 200C from being deviated during the implant procedure.
  • the protrusion 220C may be selectively formed or not formed in the body portion 210C, and hereinafter, the protrusion 220C is formed at the central portion inside the body portion 210C for convenience of description. This will be described in detail.
  • the implant shield membrane 200C as described above may be installed to cover at least one of the implant post and the bone graft material after the bone graft material.
  • at least one of the implant post and the bone graft material may be inserted into the body portion 210C to reduce the shape change of the bone graft material until hardening of the bone graft material is completed.
  • the protrusion 220C may be coupled to the implant post to fix the body portion 210C.
  • the method and structure in which the protrusion 220C is coupled to the implant post has been described in detail above, and thus a detailed description thereof will be omitted.
  • the implant shielding membrane 200C may be processed in various forms to assist in curing the bone graft material.
  • the implant shield (220C) is formed of a bone component can minimize the side effects caused during the procedure as well as shorten the curing time of the bone graft material.
  • FIG. 9 is a perspective view illustrating a shield 200D for an implant according to another embodiment of the present invention.
  • the shielding film 200D for the implant may include a space formed therein, and may include a body portion 210D having an opening 218D to open the space.
  • the body portion 210D may be formed of a bone component, and may be formed in various forms.
  • the body portion 210D may be formed in a polygonal column shape, and may be formed in a semi-cylindrical shape, a cone shape, a wedge shape, or the like.
  • the body portion 210D will be described in detail with reference to a case where the body portion 210D is formed in a square pillar shape for convenience of description.
  • the body portion 210D as described above may include a cover portion 211D and a bent portion 212D.
  • the bent portion 212D may be bent and connected to the cover portion 211D.
  • the bent portion 212D may be connected to the cover portion 211D to completely cover the outer surface of the cover portion 211D.
  • the body portion 210D may be formed as described above, and may include an opening 218D on a surface of the body portion 210D that faces the cover portion 211D.
  • the body portion 210D may have a space formed between the cover portion 211D and the bent portion 212D so that at least one of an implant post (not shown) and a bone graft material (not shown) may be inserted therein.
  • the implant shield 200D may include a protrusion 220D protruding from the body portion 210D.
  • the protrusion 220D may be formed on the cover 211D. In this case, since the protrusion 220D is the same as or similar to that described above, a detailed description thereof will be omitted.
  • the implant shield membrane 200D formed as described above may be installed on the alveolar bone during the procedure.
  • at least one implant post may be inserted into a space inside the body 210D.
  • a portion of the bent portion 212D supports the alveolar bone and the bone graft material, and another portion of the bent portion 212D is inserted into at least one of the plaque and bone graft material.
  • the protrusion 220D may be installed to be inserted into the recess (not shown) of the temporary bolt (not shown) to support the body portion 210D as described above.
  • Implant shielding film 200D does not need to be removed separately during implantation, so no additional secondary surgery is required.
  • FIG. 10 is a perspective view showing an implant shield (200E) according to another embodiment of the present invention.
  • the implant shield film 200E may include a body portion 210E having a space formed therein.
  • the body portion 210E may be formed of a bone component, and may include a cover portion 211E and a bent portion 212E formed by bending from the cover portion 211E.
  • the bent portion 212E may be disposed to surround the outer surface of the cover portion 211E, and the cover portion 211E and the bent portion 212E may form a space therein.
  • Cover portion 211E and the bent portion 212E formed as described above may be formed in a curved surface having a radius of curvature to correspond to the teeth.
  • the radius of curvature of the cover portion 211E and the radius of curvature of the bent portion 212E may be formed to be constant, it may be formed to be provided in plurality.
  • the radius of curvature of the cover portion 211E and the radius of curvature of the bent portion 212E will be described in detail with reference to a case where the shape is constant.
  • the cover portion 211E and the bent portion 212E will be described in detail with a focus on the case each formed in a fan shape.
  • the body portion 210E may include a coupling portion 290E coupled to an abutment (not shown) coupled to an implant post (not shown).
  • the coupling part 290E may be formed in a hole or groove shape, and in particular, the coupling part 290E may be formed to penetrate the cover part 211E.
  • the coupling part 290E will be described in detail with reference to a case of a hole shape passing through the cover part 211E.
  • the implant shield film 200E formed as described above may be suitable when simultaneously performing a plurality of implants.
  • the implant shield (200E) can be used during the implantation procedure of the tooth extracted entirely.
  • at least one implant post may be disposed in the body portion 210E.
  • the implanted shield film 200E formed as described above may be manufactured in consideration of the oral structure of the patient, that is, the shape and arrangement of the alveolar bone (not shown).
  • a bone graft material (not shown) is disposed on the alveolar bone, and the body portion 210E of the shield 200E for the implant may be disposed to surround at least one of the alveolar bone and the bone graft material.
  • the coupling portion 290E formed on the cover portion 211E may be formed in consideration of the position of the implant post to be planted in advance, and may be formed to correspond to the crown coupling portion (not shown).
  • a temporary bolt (not shown) is inserted into the coupling portion to form a female screw portion (not shown) and an insertion groove formed in the crown coupling portion. (Not shown) can be shielded.
  • the implant post 200E may reduce the shape change of the bone graft by supporting the bone graft through the body portion 210E.
  • the implant post 200E can predict the shape of the bone graft in advance, the operator can easily predict the amount of bone formation.
  • 11 is a perspective view showing an implant shield (200F) according to another embodiment of the present invention.
  • 12 is a cross-sectional view taken along line A-A and line B-B of FIG.
  • the implant shield film 200F may include a body portion 210F formed of a bone component and a protrusion 220F formed on the body portion 210F.
  • the body portion 210F may include a cover portion 211F and a bent portion 212F formed by being bent from the cover portion 211F.
  • the cover portion 211F and the bent portion 212F as described above may be connected to each other to form a space therein.
  • at least one of the alveolar bone (not shown) and bone graft material (not shown) may be inserted into the internal space.
  • the cover portion 211F and the bend portion 212F may each be formed as a curved surface having a radius of curvature. At this time, the cover portion 211F and the bent portion 212 may be formed in a curved surface in the longitudinal direction, respectively. In addition, the cover portion 211F may be formed as a curved surface in the height direction of the bent portion 212.
  • the radius of curvature of the cover portion 211F and the radius of curvature of the bent portion 212F in the longitudinal direction as described above may be constant, and may be different from each other.
  • the cover portion 211F and the bent portion 212F may be formed in a curved surface corresponding to the teeth.
  • the cross section of the body portion 210F as described above may be variously formed.
  • the cross section of the body portion 210F may be an arch of a 'U' shape, such as 'c' or horseshoe.
  • the cross-sectional shape of the body portion 210F is not limited to the above, and may be variously formed according to the shape of the teeth or the alveolar bone, the arrangement form of the bone graft material, the overall shape due to the bone graft material, and the like. (a) and (b))
  • the cover portion 211F may be provided with a coupling portion 290F into which the fastening mechanism is inserted from the outside.
  • the coupling part 290F may be formed in the cover part 211F.
  • Coupling portion 290F may be formed the same as or similar to that described above.
  • the coupling part 290F may be formed to penetrate the cover part 211F, and may be formed to penetrate the cover part 211F and the protrusion part 212F.
  • the coupling portion 290F may be fixed by inserting an abutment (not shown), a crown coupling bolt (not shown), or the like coupled to a temporary bolt (not shown) or an implant post (not shown).
  • the coupling part 290F will be described in detail with reference to the case where the cover part 211F is formed to penetrate only.
  • the coupling portion 290F and the protrusion 220F may be disposed to alternate with each other.
  • the implant shield membrane (200F) formed as described above can maintain the shape of the bone graft material when the bone graft material is installed.
  • the shield 200F for the implant may be fixed by coupling the protrusion 220F to the implant post.
  • the abutment bolt When the hardening of the bone graft is completed, the abutment bolt may be inserted into the coupling part 290F to fix the abutment.
  • the fixing method of the abutment is not limited to the above, it is also possible to fix the crown coupling bolt through the coupling portion 290F to the female screw portion of the crown connection portion.
  • the implant shielding membrane 200F is formed of a bone component, the damage portion of the tooth is very small, and thus the bone formation site is relatively small. Bar is manufactured and used directly in the procedure, there is an advantage that the absorption and shielding properties and retention properties for the bone generating part is improved.
  • FIG. 13 is a perspective view of an implant shield (200G) according to another embodiment of the present invention.
  • the shielding film 200G for the implant may include a body portion 210G and a protrusion 220G.
  • the body portion 210G may include a cover portion 211G and a bent portion (not shown).
  • the body portion 210G may be formed the same as or similar to that shown in FIGS. 4 to 10.
  • the body portion 210G is not limited to the above, and may include any shape capable of maintaining the shape of a bone graft material (not shown). However, in the following description, the body portion 210G will be described in detail with reference to a case in which the body portion 210G is formed the same as or similar to that shown in FIG.
  • the body portion 210G as described above may include a cover portion 211G, a first bent portion 212G, and a second bent portion 213G.
  • the first bent part 212G and the second bent part 213G may be formed to extend from the cover part 211G and be bent from the cover part 211G.
  • the implant shielding film 200G may include a pad part 240G installed in the body part 210G.
  • the pad part 240G may be installed on at least one of the cover part 211G, the first bent part 212G, and the second bent part 213G.
  • the pad portion 240G may be installed in the body portion 210G so that a portion of the alveolar bone (not shown) is disposed.
  • the pad part 240G may be formed in various shapes. Specifically, the pad portion 240G may be formed to correspond to the shape of the portion where the alveolar bone is removed. For example, the pad portion 240G may have a rectangular pillar shape, and may be variously formed, such as a cone or an elliptical pad.
  • the pad portion 240G as described above may be manufactured by freeze-drying the bone graft material on the body portion 210G.
  • the pad portion 240G may be applied to one surface of the body portion 210G in a predetermined thickness and area.
  • the thickness and area of the pad portion 240G may be determined according to the degree of deficiency of the alveolar bone, deformation of the alveolar bone due to extraction.
  • the implant shield (200G) can increase the ease of use by installing the bone graft material to the body portion 210G in a pad form.
  • the implant shield 200G may be formed of a bone component to reinforce the alveolar bone after the procedure, and to prevent the shape of the bone graft from varying when the bone graft is cured.
  • FIG. 14 is a perspective view of an implant shield (200H) according to another embodiment of the present invention.
  • the implantation shield 200H may include a body 210H and a protrusion 220H.
  • the body portion 210H may include a cover portion 211H and a bent portion (not shown).
  • the body portion 210H may be formed the same as or similar to that shown in FIGS. 4 to 10.
  • the body portion 210H is not limited to the above, and may include any shape capable of maintaining the shape of the bone graft material (not shown). However, hereinafter, the body portion 210H will be described in detail with reference to a case in which the body portion 210H is formed the same as or similar to that shown in FIG.
  • the body portion 210H as described above may include a cover portion 211H, a first bent portion 212H, and a second bent portion 213H.
  • the first bent part 212H and the second bent part 213H may be formed to extend from the cover part 211H and be bent from the cover part 211H.
  • the body portion 210H as described above may be formed through the hole 280H to penetrate the body portion 210H.
  • the through hole 280H may be formed only in a partial region of the body portion 210H.
  • the through hole 280H may be formed only in the cover portion 211H, and may be formed only in the first bent portion 212H or the second bent portion 213H.
  • the through hole 280H may be formed only in the cover portion 211H and the first bent portion 212H, or may be formed only in a partial region of the second bent portion 213H.
  • the through hole 280H will be described in detail with reference to a case where only the first bent portion 212H is formed.
  • a plurality of through holes 280H as described above may be provided.
  • the diameters of the plurality of through holes 280H may be the same or different from each other.
  • the diameter of the through hole 280H formed at the center of the first bent portion 211H among the plurality of through holes 280H may be larger than the diameter of the through hole 280H of the other portion.
  • the diameter of the through hole 280H may be formed to gradually decrease toward the outside of the first bent portion 212H around the center portion of the first bent portion 280H.
  • the diameter of the through hole 280H may be smaller than the center portion of the bent portion 280H.
  • the most dense portion of the diameter bone graft material (not shown) of the through hole 280H may be formed larger than other portions.
  • the diameter of the plurality of through holes 280H will be described in detail with reference to the same case for convenience of description.
  • the body portion 210H as described above is partially passed through the blood or bone growth factors, but the amount may be very small.
  • the plurality of through holes 280H may serve as a passage for supplying blood or bone growth factors from the gingiva (not shown) to the bone graft material (not shown) inside the implantation shield 200H.
  • the bone graft material may be smoothly regenerated in the alveolar bone (not shown) due to blood or bone growth factors, which are moved through the plurality of through holes 280H.
  • the implant shield (200H) is formed of a bone component can not only reinforce the alveolar bone after the procedure, but also prevent the shape of the bone graft material from varying when the bone graft material is cured.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial 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)
  • Orthopedic Medicine & Surgery (AREA)
  • Dental Prosthetics (AREA)

Abstract

L'invention concerne une membrane barrière pour un implant. La présente invention concerne une membrane barrière pour un implant comprenant une partie de corps pour recouvrir un montant d'implant relié à l'os alvéolaire et au matériau de greffe osseuse ajouté autour de l'os alvéolaire pour la régénération osseuse guidée, la partie de corps pouvant être constituée de composants osseux.
PCT/KR2014/003889 2014-04-30 2014-04-30 Membrane barrière pour implant WO2015167050A1 (fr)

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PCT/KR2014/003889 WO2015167050A1 (fr) 2014-04-30 2014-04-30 Membrane barrière pour implant
CN201480078246.9A CN106232051A (zh) 2014-04-30 2014-04-30 种植牙用屏障膜

Applications Claiming Priority (1)

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PCT/KR2014/003889 WO2015167050A1 (fr) 2014-04-30 2014-04-30 Membrane barrière pour implant

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Cited By (4)

* Cited by examiner, † Cited by third party
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WO2018064919A1 (fr) * 2016-10-06 2018-04-12 高雄医学大学 Implant intra-osseux et son procédé de préparation
CN109646714A (zh) * 2019-01-15 2019-04-19 上海交通大学医学院附属第九人民医院 一种具有成骨诱导涂层的三维打印钛网内植物
US11872105B1 (en) 2022-12-01 2024-01-16 Robert Parker Dental implant device for regeneration of dental pulp and dentin
US11931224B1 (en) 2022-12-19 2024-03-19 Robert Parker Tooth pod

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CN107260340A (zh) * 2017-05-31 2017-10-20 司家文 牙槽骨缺损植骨区的保护结构
CN108904881A (zh) * 2018-10-11 2018-11-30 泰山医学院 消旋聚乳酸与镁网交叉加固型生物可降解性屏障膜及其制备方法
CN109620429B (zh) * 2018-12-03 2020-09-25 北京航空航天大学 一种可降解金属引导组织再生屏障膜及其制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018064919A1 (fr) * 2016-10-06 2018-04-12 高雄医学大学 Implant intra-osseux et son procédé de préparation
CN109646714A (zh) * 2019-01-15 2019-04-19 上海交通大学医学院附属第九人民医院 一种具有成骨诱导涂层的三维打印钛网内植物
US11872105B1 (en) 2022-12-01 2024-01-16 Robert Parker Dental implant device for regeneration of dental pulp and dentin
US11931224B1 (en) 2022-12-19 2024-03-19 Robert Parker Tooth pod

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