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药物洗脱纳米管状牙种植体的骨结合增强:一项[具体研究类型]研究。 (你原文中“An and study”部分信息缺失,我按格式补全了需要翻译的部分。你可补充完整后继续向我提问。)

Enhanced osseointegration of drug eluting nanotubular dental implants: An and study.

作者信息

Chauhan Pankaj, Srivastava Alok, Bhati Pooja, Chaturvedi Manish, Patil Vinay, Kunnoth Sriram, Kumari Nisha, Arya Vedpal, Pandya Madhur, Agarwal Mohit, Bhardwaj Smiti, Faraz Farrukh, Chauhan Sanjay, Verma Mahesh, Koul Veena, Bhatnagar Naresh

机构信息

Homi Bhabha Cancer Hospital and Research Centre, Vizag, Andhra Pradesh, India.

Centre for Biomedical Engineering, Indian Institute of Technology Delhi, India.

出版信息

Bioact Mater. 2023 Jun 22;28:432-447. doi: 10.1016/j.bioactmat.2023.06.003. eCollection 2023 Oct.

Abstract

Faster and predictable osseointegration is crucial for the success of dental implants, especially in patients with compromised local or systemic conditions. Despite various surface modifications on the commercially available Titanium (Ti) dental implants, the bioactivity of Ti is still low. Thus, to achieve both biological and therapeutic activity on titanium surfaces, surface modification techniques such as titanium nanotubes have been studied as nanotube surfaces can hold therapeutic drugs and molecules. The main aim of the present research work is to study the early osseointegration around the novel Simvastatin drug eluting nanotubular dental implant. In the present research, the titanium nanotubes were fabricated on the screw-shaped dental implant surface and the Simvastatin drug was loaded into the nanotubes using the ultrasonication dip method studies were carried out on the modified dental implants cell culture study reported enhanced osteogenic activity on the drug-loaded nanotube surface implants. The animal studies were evaluated by micro-CT, histopathology, and reverse torque removal analysis methods. The test results showed faster osseointegration with the strong interface on the Simvastatin drug-loaded implant surface at 4 weeks of healing as compared to the control implants.

摘要

更快且可预测的骨整合对于牙种植体的成功至关重要,尤其是对于局部或全身状况不佳的患者。尽管市售钛(Ti)牙种植体有各种表面改性,但钛的生物活性仍然较低。因此,为了在钛表面实现生物和治疗活性,诸如钛纳米管之类的表面改性技术已被研究,因为纳米管表面可以容纳治疗药物和分子。本研究工作的主要目的是研究新型辛伐他汀药物洗脱纳米管状牙种植体周围的早期骨整合情况。在本研究中,在螺旋形牙种植体表面制备了钛纳米管,并使用超声浸提法将辛伐他汀药物加载到纳米管中。对改性牙种植体进行了细胞培养研究,结果表明载药纳米管表面种植体的成骨活性增强。通过微型计算机断层扫描(micro-CT)、组织病理学和反向扭矩去除分析方法对动物研究进行了评估。测试结果表明,与对照种植体相比,在愈合4周时,载有辛伐他汀药物的种植体表面骨整合更快,界面更强。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/10d2/10329101/92cba15e6b7d/gr1.jpg

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