KR20040066699A - Titanium implant for implantation of artificial dental tooth - Google Patents
Titanium implant for implantation of artificial dental tooth Download PDFInfo
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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
- A61C8/0012—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 material or composition, e.g. ceramics, surface layer, metal alloy
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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
- A61C8/0012—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 material or composition, e.g. ceramics, surface layer, metal alloy
- A61C8/0013—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 material or composition, e.g. ceramics, surface layer, metal alloy with a surface layer, coating
- A61C8/0015—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 material or composition, e.g. ceramics, surface layer, metal alloy with a surface layer, coating being a conversion layer, e.g. oxide layer
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- B41J2/01—Ink jet
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- B41J2/17566—Ink level or ink residue control
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Abstract
Description
본 발명은 티타늄 임프란트에 관한 것으로써, 더욱 상세하게는 레이저를 전처리하여 미세공을 형성시킨 후 그 위에 water pyrolysis 가공처리를 하여 산화막이 두껍게 형성되도록 제작된, 골결합력이 개선된 티타늄 임프란트에 관한 것이다.The present invention relates to a titanium implant, and more particularly, to a titanium implant having improved bone bonding strength, which is manufactured to form fine pores by pretreatment of a laser and then water pyrolysis processing thereon to form a thick oxide film. .
현재 개발되어 사용되고 있는 임프란트는 선반가공방식으로 표면처리되어있고, 그러한 표면처리로 인한 단점은 골결합력이 낮다는 것이다. 티타늄 임프란트 표면에 산화막을 두껍게 형성시켜주는 water pyrolysis 표면처리법을 이용해 개발된 임프란트는 이러한 단점을 보완해 줄 수 있다. 따라서 본 발명은 골결합력이 우수하여 더욱 견고한 인공치근을 형성할 수 있고, 이식 수술 후 치유에 소요되는 시간을 상당부분 단축시킬 수 있도록 표면처리가 된 티타늄 임프란트를 제작하는데 그 목적이 있다.Implants currently being developed and used are surface-treated by lathe processing, and the disadvantage of such surface treatment is low bone bonding force. Implants developed using water pyrolysis surface treatment, which forms a thick oxide layer on the surface of titanium implants, can compensate for these drawbacks. Therefore, the present invention has an object of producing a titanium implant surface-treated to be able to form a more robust artificial tooth root with excellent bone bonding force, and to significantly reduce the time required for healing after transplantation surgery.
최근 티타늄의 골에 대한 생적합성 때문에 임프란트를 위한 선택물질로 티타늄이 많이 사용되고 있다. 티타늄의 높은 생적합성은 안정된 산화막이 임프란트와 조직이 접하는 면의 결합력을 증가시켜주기 때문인 것으로 알려져있다. 산화막의 특징과 구성은 티타늄 표면을 처리하는 기술에 따라서 달라지며, 이러한 티타늄 임프란트의 표면을 가공하는 기술은 임프란트와 조직이 접하는 면에서 일어나는 생물학적 반응에 중요한 영향을 줄 수 있다.Recently, titanium is widely used as an optional material for implants due to the biocompatibility of titanium. Titanium's high biocompatibility is known to be due to a stable oxide film that increases the bond between the implant and the surface where the tissue contacts. The characteristics and composition of the oxide film depend on the technique of treating the titanium surface, and the technique of processing the surface of the titanium implant can have a significant effect on the biological reactions occurring at the interface between the implant and the tissue.
본 발명에서는 티타늄 임프란트에 레이저를 전처리하여 미세공을 형성시킨 뒤, 그 위에 water pyrolysis 가공 처리를 하여 두꺼운 산화막이 생성되게 하여 티타늄 임프란트의 골결합력 증가를 유도함으로 골결합을 가장 효율적으로 증가시키는 티타늄 임프란트의 표면처리 방법을 개발하였다.In the present invention, after the laser is pre-treated in the titanium implant to form micropores, water pyrolysis processing to produce a thick oxide film on the titanium implant to increase the bone bonding force of the titanium implant to increase the bone bonding most efficiently titanium implant The surface treatment method of was developed.
제 1도는 water pyrolysis의 원리도.1 is a principle diagram of water pyrolysis.
제 2도는 레이저 처리 방식도.2 is a laser processing scheme.
제 3도는 레이저 처리 후 water pyrolysis로 표면처리된 임프란트의 표면도.3 is a surface view of an implant surface treated with water pyrolysis after laser treatment.
제 4도는 400℃, 10 min 조건에서의 산화막 형성 분석도.4 is an oxide film formation analysis diagram at 400 ℃, 10 min conditions.
제 5도는 400℃, 30 min 조건에서의 산화막 형성 분석도.5 is an oxide film formation analysis diagram at 400 ℃, 30 min conditions.
제 6도는 550℃, 10 min 조건에서의 산화막 형성 분석도.6 is an oxide film formation analysis diagram at 550 ° C. for 10 min.
제 7도는 550℃, 30 min 조건에서의 산화막 형성 분석도.7 is an oxide film formation analysis diagram at 550 ° C. for 30 min.
제 8도는 회전제거력 분석 그래프.8 is a graph of rotational removal force analysis.
제 9도는 선반가공으로 표면처리된 티타늄 임프란트와 골과의 결합도를 보여9 shows the bond between the titanium implant surface treated with lathe and bone
주는 Micro-CT 분석 사진.Giving Micro-CT Analysis Photos.
제 10도는 레이저 처리 후 water pyrolysis 가공이 된 티타늄 임프란트와 골Fig. 10 shows titanium implants and bone treated with water pyrolysis after laser treatment.
과의 결합도를 보여주는 Micro-CT 분석 사진.Micro-CT analysis showing the degree of binding.
상기 과제를 해결하기 위해, 티타늄 임프란트의 골결합력을 증가시켜준다고 알려진 산화막의 두께를 증가시키기 위해 티타늄 임프란트를 water pyrolysis로 표면처리 하였다.In order to solve the above problems, the titanium implant was surface treated with water pyrolysis to increase the thickness of the oxide film known to increase the bone bonding force of the titanium implant.
본 발명에 관해 상세히 기술하면, 사용된 티타늄 임프란트는 나사가 있으며, grade 1등급의 길이가 5 mm, 직경이 3.75 mm 가 되는 것을 제작하여 사용하였다. 그리고 이렇게 제작된 티타늄 임프란트는 선반가공, 레이저, water pyrolysis의 방법으로 표면처리가 되어졌다.Detailed description of the present invention, the titanium implant used was a screw, the grade 1 grade was 5 mm in length and 3.75 mm in diameter was used to manufacture. The titanium implants were then surface treated by lathe machining, laser, and water pyrolysis.
티타늄 임프란트의 선반가공 조건은 나사외경선삭을 절삭속도 10 mm/min, 회전수 3500 rpm으로 맞추어 가공한 후, 성형바이트를 이용하여 절삭속도 600 mm/ min, 회전수 500 rpm으로하여 나사를 가공하였다.Turning conditions for titanium implants are performed by turning the thread external diameter turning at a cutting speed of 10 mm / min and a rotational speed of 3500 rpm, and then turning the screw at a cutting speed of 600 mm / min and a rotational speed of 500 rpm using a molding bite. It was.
레이저 처리에서 레이저 분사 조건은 이동거리 0.1 um, 시간 1000 usec, 모터회전 속도 100 rpm으로 맞추어 티타늄 임프란트 표면에 분사하였다.In laser treatment, the laser injection conditions were sprayed on the titanium implant surface at a movement distance of 0.1 um, a time of 1000 usec, and a motor rotation speed of 100 rpm.
Water pyrolysis 가공은 먼저 전기로 안을 Auger 실험결과를 기초로 산화막을 가장 두껍게 입힐 수 있는 온도인 500℃까지 올려준 뒤, 전기로의 온도가 500℃에 도달하면 공기압이 전기로 안으로 주입되면서 공기압의 힘으로 물이 전기로 안으로 분사되게 하고, 분사 후 물에 의해 온도가 떨어지면 다시 500℃로 올라가는 과정을 30분에 걸쳐 반복시켜 주었다.Water pyrolysis processing first raises the temperature of the oxide film to 500 ℃ based on the Auger test result in the electric furnace.Then, when the temperature reaches 500 ℃, the air pressure is injected into the electric furnace. Water was injected into the electric furnace, and after the spraying, the temperature was lowered by the water, and the process of raising the temperature to 500 ° C was repeated for 30 minutes.
먼저 레이저만 처리한 뒤 티타늄 임프란트의 표면을 주사전자현미경(SEM)으로 관찰하여 보니, 직경이 34 um이고 깊이가 24 um인 반구 모양이 20 um의 간격을 두고 형성됨으로 벌집 모양의 구조를 형성하고 있음을 확인할 수 있었다.First, after laser treatment, the surface of the titanium implant was observed by scanning electron microscopy (SEM). Hemispherical shapes of 34 um in diameter and 24 um in depth were formed at intervals of 20 um to form honeycomb structures. It could be confirmed.
다음으로 레이저만 처리한 티타늄 임프란트와 레이저 처리 후 water pyrolysis 가공처리를 한 티타늄 임프란트의 산화막을 Auger로 분석해 보았는데, 온도가 증가함에 따라 산화막이 두꺼워짐을 확인할 수 있었다.Next, the laser-treated titanium implant and the laser-treated titanium implant treated with water pyrolysis were analyzed by Auger, and as the temperature increases, the oxide film became thicker.
다음으로 생체 내 실험을 통해 레이저 처리 후 water pyrolysis 가공처리를 한 티타늄 임프란트의 골결합력 증가를 확인해 보았다. 본 연구에는 3.1 ~ 4.0 Kg 사이의 흰토끼가 사용되었고, 케타민과 자일라진을 근육 내에 주사하여 전신마취하였다. 수술 전, 수술 부위를 iodine과 70 % 에탄올로 소독한 후 절개하여 tibial metaphysis를 노출시킨 뒤, 리도카인(2 %) 1.8㎖로 국소마취를 하였다. 수술 부위의 골은 2 mm 직경의 round drill과 2 mm, 3.3 mm 직경의 twist drill을 사용하여 브로네막 임프란트 술식에 따라 임프란트를 장착하고 봉합하였다. 모든 임프란트는 첫번째 피질막만 뚫어서 삽입하였고, 삽입 후 골막과 근육은 구분하여 봉합하였다. 수술 후에는 항생제, 진통제, 대사제를 주사하였다. 수술 후 사료 섭취와 움직임을 자유롭게 해주었고, 8주 후에 취사량의 마취제를 사용하여 희생시켰다. 흰토끼는 수술 부위의 골이 회복되는데 약 6주의 기간이 소요된다고 보고되어 있는데, 골의 성장 속도가 임프란트와 골의 접합면의 mechanical integrity에 중요하기 때문에 여기서는 치유 기간을 8주로 정하였고, 수술 후 8주가 지났을 때 임프란트가 장착된 부위를 싸고 있는 골과 연조직을 제거한 뒤 회전제거력 측정기를 이용하여 임프란트를 제거하는데 필요한 힘을 측정하였다. 그리고 임프란트와 골 사이에 분열이일어나는 시점에 주어지는 힘을 최대 회전제거력으로하여 결과를 기록하였다. 측정값 분석은 Wilcoxon's signed rank test를 이용하였다. 대조군으로 선반가공방법으로 표면처리를 한 티타늄 임프란트를 사용하였는데, 선반가공 방법으로 표면처리를 한 티타늄 임프란트의 경우에는 평균 회전제거력 값이 23.58±3.71 Ncm이었고, 레이저 처리 후 water pyrolysis 가공 처리를 한 티타늄 임프란트의 경우에는 평균 회전 제거력 값이 51.59±14.72 Ncm으로써 약 2.18배 증가된 값을 나타내었다. 이것은 레이저 처리 후 water pyrolysis 가공처리를 한 티타늄 임프란트가 대조군에 배해 골결합력이 2.18배 증가된 것을 보여준다.Next, in vivo experiments were confirmed to increase the bone bonding strength of the titanium implant treated with water pyrolysis after laser treatment. White rabbits between 3.1 and 4.0 Kg were used in this study and general anesthesia was performed by intramuscular injection of ketamine and xylazine. Prior to surgery, the surgical site was disinfected with iodine and 70% ethanol, incised to expose tibial metaphysis, and local anesthesia was performed with 1.8 ml of lidocaine (2%). The bone at the surgical site was implanted and sutured according to the Bronetem implant procedure using a 2 mm diameter round drill and a 2 mm and 3.3 mm diameter twist drill. All implants were inserted through only the first cortex, and the periosteum and muscle were sewn separately after insertion. After surgery, antibiotics, analgesics, and metabolites were injected. Post-operative food intake and movement were freed, and after 8 weeks, sacrifice was performed using an anesthetic. It is reported that the white rabbit takes about 6 weeks to recover the bone at the surgical site. Since the growth rate of bone is important for the mechanical integrity of the joint between the implant and the bone, the healing period is set to 8 weeks. After 8 weeks, the bones and soft tissues surrounding the implants were removed, and the force required to remove the implants was measured using a rotational force measuring instrument. The results were recorded using the maximum rotational removal force given at the time of splitting between the implant and the bone. Measurement analysis was performed using Wilcoxon's signed rank test. As a control, a titanium implant surface-treated using a lathe method was used. In the case of a titanium implant surface-treated by a lathe method, the average rotational removal force was 23.58 ± 3.71 Ncm, and a titanium treated with water pyrolysis after laser treatment In the case of implants, the mean rotational removal force was 51.59 ± 14.72 Ncm, which was about 2.18 times higher. This shows that the titanium implants treated with water pyrolysis after laser treatment showed a 2.18-fold increase in bone binding force in the control group.
Micro-CT 분석을 위해 임프란트가 삽입된 토끼 중 두마리는 임프란트를 제거시키지 않은 상태로 희생시켜 임프란트와 그것을 둘러싸고 있는 조직을 잘라낸 뒤 식염수로 세척하고 10 % buffered formalin solution에 넣어 고정시켜 골과 임프란트의 접합면을 micro-CT로 분석하였다. 선반가공 방법으로 표면처리된 대조군에 비해, 레이저 처리 후 water pyrolysis 가공처리가 된 임프란트는 위쪽의 피질 부분을 따라서 피질의 골과 두드러지게 결합하였고, 골수를 따라서는 몇몇 새로 형성된 골 또는 정상적인 골수 조직과 결합하였다. 특히 2~3번째 나사 부분에서 골의 결합이 증가하는 것을 볼 수 있었다.Two of the implanted rabbits for micro-CT analysis were sacrificed without removing the implant, cut the implant and the surrounding tissue, washed with saline, fixed in 10% buffered formalin solution and conjugated with the bone. Cotton was analyzed by micro-CT. Compared to the control surface treated with the lathe method, the water-pyrolysis-treated implants after laser treatment markedly bound the cortical bone along the upper cortex, and along the bone marrow some newly formed bone or normal bone marrow tissue Combined. In particular, the union of the bones was found to increase in the second and third threaded portions.
이상에서 살펴본 것과 같이, 레이저 처리 후 water pyrolysis 가공 처리가 된 티타늄 임프란트를 인공치근으로 이용할 경우에 레이저에 의해 형성된 미세공과 water pyrolysis에 의해 형성된 산화막으로 인해 인공치근의 골조직과의 결합력을향상시킬 수 있어서 더욱 견고한 인공치근을 형성할 수 있고, 이식 수술 후 치유에 소요되는 시간을 상당부분 단축시킬 수 있을 것으로 기대한다.As described above, when the titanium implant treated with water pyrolysis after laser treatment is used as an artificial tooth root, the cohesion of the artificial tooth root can be improved due to the micropores formed by the laser and the oxide film formed by water pyrolysis. It is expected to create a more robust artificial root and significantly reduce the time for healing after transplantation.
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| KR1020030004147A KR20040066699A (en) | 2003-01-17 | 2003-01-17 | Titanium implant for implantation of artificial dental tooth |
| PCT/KR2003/000507 WO2004064665A1 (en) | 2003-01-17 | 2003-03-14 | Titanium implant for implantation of artificial dental tooth |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100775537B1 (en) * | 2007-07-19 | 2007-11-28 | (주)오스테오필 | Method of fabricating implant with improved surface properties and implant fabiricated by the same method |
| RU2448739C2 (en) * | 2007-09-10 | 2012-04-27 | САБАН Франсиско Х. ГАРСИЯ | Method of producing titanium-based implant to be fitted in bone tissue |
| KR101144273B1 (en) * | 2010-02-05 | 2012-05-11 | (주) 케이제이 메디텍 | Laser surface treated Method for Dental implants having the improved coefficient of surface friction and Dental implants thereby |
| KR20170002768U (en) | 2016-01-26 | 2017-08-03 | 주식회사 성원에어테크 | Radiator of triple structure for heating |
| KR102195610B1 (en) * | 2020-09-17 | 2020-12-28 | 장천석 | Laser surface treatment method the increases the surface friction coefficient of dental implants |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SE500657C2 (en) * | 1992-12-07 | 1994-08-01 | Nobelpharma Ab | Method and apparatus for preparing implant surfaces using gas discharge plasma |
| US5372660A (en) * | 1993-08-26 | 1994-12-13 | Smith & Nephew Richards, Inc. | Surface and near surface hardened medical implants |
| JP3803140B2 (en) * | 1995-07-07 | 2006-08-02 | 株式会社アドバンス | Dental implant and method for manufacturing dental implant |
| ATE219344T1 (en) * | 1996-04-10 | 2002-07-15 | Sulzer Orthopaedie Ag | METAL IMPLANT HAVING A SURFACE AND METHOD FOR PRODUCING THE SURFACE |
| KR100292621B1 (en) * | 1998-06-19 | 2001-09-17 | 이명범 | Surface treatment method of implant |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100775537B1 (en) * | 2007-07-19 | 2007-11-28 | (주)오스테오필 | Method of fabricating implant with improved surface properties and implant fabiricated by the same method |
| RU2448739C2 (en) * | 2007-09-10 | 2012-04-27 | САБАН Франсиско Х. ГАРСИЯ | Method of producing titanium-based implant to be fitted in bone tissue |
| KR101144273B1 (en) * | 2010-02-05 | 2012-05-11 | (주) 케이제이 메디텍 | Laser surface treated Method for Dental implants having the improved coefficient of surface friction and Dental implants thereby |
| KR20170002768U (en) | 2016-01-26 | 2017-08-03 | 주식회사 성원에어테크 | Radiator of triple structure for heating |
| KR102195610B1 (en) * | 2020-09-17 | 2020-12-28 | 장천석 | Laser surface treatment method the increases the surface friction coefficient of dental implants |
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