Dental implant coated with a mixed solution of chemical buffering agent and organic amphiphilic substance and a preparation process thereof
US10004575B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 2014 |
| Grant date | Jun 26, 2018 |
| Priority date | — |
| Expiry date | Aug 7, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bioactive-type of hydrophilic dental implant which is made of titanium or titanium alloy having a rough surface, wherein a coating layer of a mixed solution comprising i) an organic pH buffering agent and/or inorganic pH buffering agent and ii) an organic amphiphilic having sulfonic group is formed on the rough surface which was pre-treated to remove a contaminant. The present invention has effects preventing that the dental implant is exposed to air before it is inserted into the alveolar bone and the implant surface is re-contaminated; improving the biocompatibility of the implant, fluid- and blood-affinity, and the initial osseointegration performance; and shortening the osseointegration period, and the surface of the dental implant can be maintained as being hydrophilic for at least 3 years by using a mixed solution of pH buffering agent and organic amphiphilic substance having sulfonic group as a surface coating solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.