CN110037817A - 一种套筒内冠的制作方法 - Google Patents
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
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- 238000000034 method Methods 0.000 claims abstract description 13
- 238000005266 casting Methods 0.000 claims abstract description 11
- 238000005498 polishing Methods 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 230000002882 anti-plaque Effects 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 abstract description 4
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 230000035479 physiological effects, processes and functions Effects 0.000 abstract description 2
- 238000007747 plating Methods 0.000 abstract description 2
- 229920000728 polyester Polymers 0.000 abstract description 2
- 229920001169 thermoplastic Polymers 0.000 abstract description 2
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 2
- 241000894006 Bacteria Species 0.000 description 4
- 229910001069 Ti alloy Inorganic materials 0.000 description 4
- 241000605862 Porphyromonas gingivalis Species 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 201000001245 periodontitis Diseases 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
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- 229910021641 deionized water Inorganic materials 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0004—Computer-assisted sizing or machining of dental prostheses
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/08—Artificial teeth; Making same
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Abstract
本公开提供了一种套筒内冠的制作方法,其具体步骤包括:(1)确定义齿的就位道;(2)根据基牙调整聚合角度;(3)内冠蜡型的制作;(4)然后进行包埋铸造或CAM处理;(5)进行内冠的抛光;其中所述步骤(4)中使用的材料为BioHPP。所述方法中所使用的材料BioHPP为热塑性高分子聚合物,具有良好的美观性,保持着生理弹性,抗菌斑性,使所制备的套筒内冠即具有很好的美观性、力学性能,又具有很好的生物相容性,能更好的贴合基牙,使套筒内冠具有很好的抗菌斑性能,而且在包埋铸造后不需要在外层镀合金,节省材料。
Description
技术领域
本发明涉及牙科医疗器械领域,具体涉及一种套筒内冠的制作方法。
背景技术
据统计,我国有近9亿人患有牙周炎。随着人们水平的逐步提高和患者治疗意识的增强,牙科临床及科研迅速发展,套筒冠义齿的应用也越来越广泛。套筒冠义齿是一种固定、活动联合修复体,临床上常被作为中重度牙周炎患者牙列修复方法。套筒冠是指通过制作具有高密合度的双层冠,分别包括内冠和外冠,将内冠粘固在基牙上,外冠置于活动义齿内,通过内外冠之间密合而产生的摩擦力使义齿固位。
目前,套筒冠义齿的内冠,大多数采用有一定韧性的合金材料,例如金合金、钴铬合金、钛合金等,金合金价格昂贵,钴铬合金较为经济,钛合金具有良好的生物相容性,但合金材料美观性能差限制了其临床应用范围;也有使用二氧化锆材料制作内冠的,其表面污染少,不粘砂,美观性能好,但是,无弹性,价格高。
发明内容
本公开的目的是提供一种套筒内冠的制作方法,以提高套筒内冠美观性,且达到节省的效果。
为实现上述目的,技术方案如下:
一种套筒内冠的制作方法,其具体步骤包括:
(1)确定义齿的就位道;
(2)根据基牙调整内聚角度;
(3)内冠蜡型的制作;
(4)然后进行包埋铸造或CAM(Computer Aided Manufacturing,计算机辅助制造)处理;
(5)进行内冠的抛光,
其中步骤所述(4)使用的材料为BioHPP。
所述步骤(2)中内聚角度为0-6°。
所述步骤(3)内冠蜡型的制作,是利用研磨针对内冠蜡型进行修整,精密度要求0.004-0.006mm。
所述步骤(4)中进行铸造的工艺为热塑性加压技术,其中铸造温度为800-850℃。
所述步骤(5)中抛光光滑度为0.07-0.15μm。
本公开的有益效果是:提供了一种套筒内冠的制作方法,所述方法中所使用的材料BioHPP为热塑性高分子聚合物,具有良好的美观性,保持着生理弹性,抗菌斑性,使所制备的套筒内冠即具有很好的美观性、力学性能,又具有很好的生物相容性,能更好的贴合基牙,使套筒内冠具有很好的抗菌斑性能,而且在包埋铸造后不需要在外层镀合金,节省材料。所述方法在利用热塑性加压技术或CAM处理后,进行抛光工艺加工时可以很轻松并迅速完成并且不像二氧化锆一样损坏材料质量,节省时间。
具体实施方式
以下各步骤仅用以说明本公开的技术方案,而非对其限制;尽管参照前述各步骤对本公开进行了详细的说明,但本领域的普通技术人员应当理解:其依然可以对前述各步骤所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本公开各步骤技术方案的范围。
实施例1
一种套筒内冠的制作方法,其具体步骤包括:
(1)确定义齿的就位道;
(2)根据基牙调整内聚角度,起固位作用的基牙聚合度为5°;
(3)利用蜡型专用研磨针对内冠蜡型进行制作,修整,精密度要求0.005mm;
(4)然后利用热塑性加压技术对BioHPP进行包埋铸造,铸造温度为850℃;
(5)然后将铸造好的套筒内冠进行抛光,其中抛光光滑度为0.08μm。
实施例2
一种套筒内冠的制作方法,其具体步骤包括:
(1)确定义齿的就位道;
(2)根据基牙调整内聚角度,起固位作用的基牙聚合度为6°;
(3)利用蜡型专用研磨针对内冠蜡型进行制作,修整,精密度要求0.006mm;
(4)然后利用CAM技术对BioHPP进行铸造;
(5)然后将铸造好的套筒内冠进行抛光,其中抛光光滑度为0.15μm。
实施例3套筒内冠抗菌实验
对照组:现有的套筒内冠的制作方法,包括以下步骤:
(1)根据基牙确定义齿的就位道;
(2)制作内冠蜡型,根据基牙调整内聚角度;
(3)使用钛合金材料进行包埋铸造;
(4)将所制备的钛合金内冠进行表面抛光。
将实施例1所制备的套筒内冠和对照组所制备的套筒内冠经无水乙醇、去离子水超声清洗后,放入体积数75%酒精溶液中消毒45min;然后将消毒后的实施例1和对照组所制备的套筒内冠分别放入含有相同浓度的牙龈卟啉单胞菌和金黄色葡萄球菌50mL的菌液中,静止培养2小时;然后使用PBS溶液冲洗掉表面附着疏松的细菌,共清洗3次;之后将冲洗过后的内冠放入50mL的PBS中,利用超声震荡,将内冠表面附着的细菌冲洗掉;最后之后将含有表面黏附细菌的PBS溶液取5mL,均匀铺在培养基板上,将培养基板放进37℃的恒温培养箱中培养12h,观察、计算菌落数。
根据上述方法检测套筒内冠的抗菌性,结果如表1,本公开所制备的套筒内冠上的牙龈卟啉单胞菌和金黄色葡萄球菌数分别为68cuf/cm2和70cuf/cm2均少于对照组,表明本公开所述的一种套筒内冠的制作方法,因其制备内冠的材料BioHPP具有很好的抗菌斑性,所以其所制备的套筒内冠的抗菌性较强。
表1抗菌性研究结果
Claims (6)
1.一种套筒内冠的制作方法,其特征在于,具体步骤包括:
(1)确定义齿的就位道;
(2)根据基牙调整内聚角度;
(3)内冠蜡型的制作;
(4)然后进行包埋铸造或CAM处理;
(5)进行内冠的抛光;
其中所述步骤(4)中使用的材料为BioHPP。
2.根据权利要求书1中所述一种套筒内冠的制作方法,其特征在于,所述步骤(2)中内聚角度为0-6°。
3.根据权利要求书1中所述一种套筒内冠的制作方法,其特征在于,所述步骤(3)内冠蜡型的制作,是利用研磨针对内冠蜡型进行修整,使得内冠与外冠之间的间隙精密度为0.004-0.006mm。
4.根据权利要求书1中所述一种套筒内冠的制作方法,其特征在于,所述步骤(4)中进行铸造的工艺为热塑性加压技术。
5.根据权利要求书4中所述一种套筒内冠的制作方法,其特征在于,所述铸造温度为800-850℃。
6.根据权利要求书1中所述一种套筒内冠的制作方法,其特征在于,所述步骤(5)中抛光光滑度为0.07-0.15μm。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112674896A (zh) * | 2020-12-18 | 2021-04-20 | 艾根创新科技(山西)有限公司 | 一体式套筒冠的制作方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120135377A1 (en) * | 2009-07-08 | 2012-05-31 | Klee Joachim E | Dental obturator point |
US20180250102A1 (en) * | 2014-05-08 | 2018-09-06 | Drew Schulter | Overdenture and Dental Implant Framework |
CN108778229A (zh) * | 2016-03-07 | 2018-11-09 | 3M创新有限公司 | 预成形复合牙冠、其生产方法和用途 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120135377A1 (en) * | 2009-07-08 | 2012-05-31 | Klee Joachim E | Dental obturator point |
US20180250102A1 (en) * | 2014-05-08 | 2018-09-06 | Drew Schulter | Overdenture and Dental Implant Framework |
CN108778229A (zh) * | 2016-03-07 | 2018-11-09 | 3M创新有限公司 | 预成形复合牙冠、其生产方法和用途 |
Non-Patent Citations (2)
Title |
---|
FOURANGER: "新型仿真修复材料Bio-HPP 介绍", 《个人图书馆》 * |
徐君伍: "《口腔修复理论与临床》", 30 November 1999, 人民卫生出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112674896A (zh) * | 2020-12-18 | 2021-04-20 | 艾根创新科技(山西)有限公司 | 一体式套筒冠的制作方法 |
CN112674896B (zh) * | 2020-12-18 | 2022-07-15 | 太原口腔新科技有限公司 | 一体式套筒冠的制作方法 |
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