JP5865382B2 - 歯牙骨移植材の製造方法 - Google Patents
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- A61L27/3608—Bone, e.g. demineralised bone matrix [DBM], bone powder
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/36—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix
- A61L27/3683—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix subjected to a specific treatment prior to implantation, e.g. decellularising, demineralising, grinding, cellular disruption/non-collagenous protein removal, anti-calcification, crosslinking, supercritical fluid extraction, enzyme treatment
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- A—HUMAN NECESSITIES
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/36—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix
- A61L27/3683—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix subjected to a specific treatment prior to implantation, e.g. decellularising, demineralising, grinding, cellular disruption/non-collagenous protein removal, anti-calcification, crosslinking, supercritical fluid extraction, enzyme treatment
- A61L27/3687—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix subjected to a specific treatment prior to implantation, e.g. decellularising, demineralising, grinding, cellular disruption/non-collagenous protein removal, anti-calcification, crosslinking, supercritical fluid extraction, enzyme treatment characterised by the use of chemical agents in the treatment, e.g. specific enzymes, detergents, capping agents, crosslinkers, anticalcification agents
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- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/02—Materials or treatment for tissue regeneration for reconstruction of bones; weight-bearing implants
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Description
B:生理食塩水に保存して処理を始めた場合、処理前には滅菌状態ではないが、処理後には滅菌状態であることを確認
C:生理食塩水に保存して処理を始めた場合、処理前には滅菌状態ではないが、処理後には滅菌状態であることを確認
<式1>
重量減少率(%)=(試料の初期重量−該当時間経過後の試料の重量)/初期重量×100
重量減少率は、間接的に塩酸溶液で処理して所望の目的を達成した化学的試薬処理の効率を示す。
本発明の骨移植材の製造方法(段階S1〜S9)を経て処理された歯牙移植材内に含んでいるタンパク質の存在を、ウエスタンブロット(western blot)を通じて確認してみた。
1)本発明の骨移植材の全製造過程<1>(段階S1〜段階S9)、0.6N HCL使用、真空繰り返し
2)本発明の骨移植材の製造過程中<2>(段階S1〜段階S4、段階S9)までのみ処理(一部試薬処理の省略)、0.6N HCL使用、真空繰り返し
3)本発明の骨移植材の全製造過程<3>(段階S1〜段階S9)、1.0N HCL使用、真空
4)一般的な方法で加工した移植材<4>0.6N HCL使用、真空は使用しない
1)DMP−1(57kDa):骨芽細胞(osteoblast)の誘導に係るタンパク質
2)DSP(54kDa):dentin sialophosphoprotinで象牙質(dentin)形成に関与
3)MMP−2(74kDa)、4)MMP−20(54kDa): 傷の治癒、骨の成長、血管の形成、組職材の形成に関与
本発明の骨移植材の製造方法(段階S1〜S9)を経て処理された歯牙移植材においては、SEMを通じて確認した。
1)本発明の骨移植材の全製造過程<1>(段階S1〜段階S9)、0.6N HCL使用(脱灰時間70分)、真空繰り返し
2)本発明の骨移植材の製造過程中<2>(段階S1〜段階S4、段階S9:一部試薬処理しない)までのみ処理、0.6N HCL使用(脱灰時間70分)、真空繰り返し
3)本発明の骨移植材の全製造過程<3>(段階S1〜段階S9)、1.0N HCL使用、脱灰時間70分、真空
4)一般的な骨移植材の全製造過程<4>(段階S1〜段階S9)、0.6N HCL使用、脱灰時間63時間、真空使用しない
5)GBM<5>(gelatinized bone matrix;人体肋骨を用いて加工された移植材)、0.6N HCL使用、脱灰時間24時間、真空使用しない
上記試験例2の対象サンプル<1>の結晶構造を分析するために、XRD分析を行った。
本発明の製造過程、段階S1〜S3の歯牙の保存溶液により処理前の滅菌状態及び処理後の滅菌状態を確認した。
Claims (13)
- 人体硬組織である抜去歯から少なくとも1段階の化学的試薬処理の段階を実施して歯牙骨移植材を製造する方法において、
抜去歯の軟組織及び歯髄をとり除き、洗浄する第1段階;
前記第1段階を経た歯牙の歯冠と歯根を分離し、該分離された歯冠及び歯根に少なくとも一つの穴を形成する第2段階;
前記第2段階を経た歯牙を洗浄する第3段階;及び
前記第3段階を経た歯牙を、減圧下で真空超音波処理を伴って0.5N乃至0.6Nの塩酸溶液中に浸漬し、前記第3段階を経た歯牙を引き上げて洗浄する第4段階;を含み、
前記第4段階は、前記減圧下で真空超音波処理を行うことにより、キャビテーションを制御できることを特徴とする歯牙骨移植材の製造方法。 - 前記真空超音波処理は、超音波周波数20kHz乃至40kHzの範囲で行われる請求項1に記載の歯牙骨移植材の製造方法。
- 前記真空超音波処理は、100mmHg(torr)乃至600mmHg(torr)の範囲の真空で行われる請求項1に記載の歯牙骨移植材の製造方法。
- 前記真空超音波処理は、
減圧下で超音波を照射する真空超音波処理であり、当該真空超音波処理のほかに、
減圧を伴わずに超音波を照射する非真空超音波処理を行い、更に減圧下で超音波を照射する真空超音波処理を順次に行う請求項1に記載の歯牙骨移植材の製造方法。 - 前記化学的試薬処理の段階は、温度範囲が常温乃至60℃の条件下で行われる請求項1に記載の歯牙骨移植材の製造方法。
- 洗浄のための目的ではない蒸溜水処理の段階を含み、該蒸溜水処理の段階は、真空超音波処理を伴う請求項1に記載の歯牙骨移植材の製造方法。
- 前記第4段階を経た歯牙を、超音波処理を伴うプロテアーゼ阻害剤が含まれるPBS溶液中に浸漬し、引き上げて洗浄する第5段階;
前記第5段階を経た歯牙を、超音波処理を伴う塩化カルシウム溶液中に浸漬し、引き上げて洗浄する第6段階;及び
前記第6段階を経た歯牙を、超音波処理を伴うEDTA溶液中に浸漬し、引き上げて洗浄する第7段階;
を含む請求項1に記載の歯牙骨移植材の製造方法。 - 前記第7段階を経た歯牙を、超音波処理を伴う塩化リチウム溶液中に浸漬し、引き上げて洗浄する第8段階;及び
前記第8段階を経た歯牙を、超音波処理を伴う蒸溜水中に浸漬する第9段階;
を含む請求項7に記載の歯牙骨移植材の製造方法。 - 前記抜去歯は、滅菌された生理食塩水、蒸溜水またはエタノールに保存される請求項1に記載の歯牙骨移植材の製造方法。
- 前記第4段階での浸漬は、常温乃至60℃の温度範囲で60分乃至75分間行われる請求項1に記載の歯牙骨移植材の製造方法。
- 前記第5段階及び前記第7段階での浸漬は、pH7乃至8の条件下で行われる請求項7に記載の歯牙骨移植材の製造方法。
- 前記第8段階での浸漬は、常温乃至60℃の温度範囲で5分乃至10分間行われる請求項8に記載の歯牙骨移植材の製造方法。
- 前記第9段階を経た歯牙を滅菌状態で冷凍保存する段階をさらに含む請求項8に記載の歯牙骨移植材の製造方法。
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KR10-2010-0105342 | 2010-10-27 | ||
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KR1020110095888A KR101163594B1 (ko) | 2010-10-27 | 2011-09-22 | 치아 골 이식재 제조방법 및 그로 인해 제조된 골 이식재 |
KR10-2011-0095888 | 2011-09-22 | ||
PCT/KR2011/007066 WO2012057454A2 (ko) | 2010-10-27 | 2011-09-26 | 골 이식재 제조방법 및 그로 인해 제조된 골 이식재 |
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EP (1) | EP2641622B1 (ja) |
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ES2742408T3 (es) * | 2013-01-15 | 2020-02-14 | Kometabio Inc | Aparato y método de producción de un implante óseo dental |
KR101386322B1 (ko) | 2013-02-14 | 2014-04-17 | 티비엠 주식회사 | 자가 치아 뼈 이식재의 가공방법 |
KR101382067B1 (ko) * | 2013-02-14 | 2014-04-04 | 티비엠 주식회사 | 크라운 지지부를 갖는 자가 치아 이식재의 가공방법 |
KR101326609B1 (ko) | 2013-06-07 | 2013-11-20 | (주)코리아덴탈솔루션 | 치아를 골 이식재로 처리하는 자동화 기계 |
CN110732040A (zh) * | 2018-07-19 | 2020-01-31 | 上海交通大学医学院附属第九人民医院 | 一种骨修复材料、方法及用途 |
IL262473B (en) * | 2018-10-18 | 2022-02-01 | SAPOZNIKOV Larion | Mammal-derived matrix as a bone replacement |
KR102396744B1 (ko) | 2019-08-08 | 2022-05-12 | (주)코리아덴탈솔루션 | 구조개선형 자가치아 골이식재 가공기 |
CN114795556B (zh) * | 2022-05-10 | 2023-05-12 | 图斯邦柯生物科技(苏州)有限公司 | 离体牙骨储存和制备方法 |
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US5797871A (en) * | 1994-08-19 | 1998-08-25 | Lifenet Research Foundation | Ultrasonic cleaning of allograft bone |
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EP2641622B1 (en) | 2017-04-12 |
EP2641622A4 (en) | 2014-11-19 |
US9610383B2 (en) | 2017-04-04 |
EP2641622A2 (en) | 2013-09-25 |
KR20120044241A (ko) | 2012-05-07 |
WO2012057454A3 (ko) | 2012-07-26 |
CN103200972A (zh) | 2013-07-10 |
US20130220365A1 (en) | 2013-08-29 |
WO2012057454A2 (ko) | 2012-05-03 |
CN103200972B (zh) | 2016-02-10 |
KR101163594B1 (ko) | 2012-07-06 |
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