Dental implant

A technology for dental implants and implants, applied in dentistry, dental implants, dental prosthetics, etc., can solve the problems of weakening the bonding ability of implants and surrounding connective tissue, adverse patient recovery, and adhesion of surrounding bacteria, and achieves the promotion of platelets. Adhesion and activation, accelerates good healing, prevents bacterial invasion

Active Publication Date: 2014-01-22
福建医科大学附属口腔医院
7 Cites 5 Cited by

AI-Extracted Technical Summary

Problems solved by technology

[0002] At present, the application of titanium implants has become a routine method to replace missing teeth. The soft tissue around the implant is mainly composed of a connective tissue layer composed of gingival fibroblasts and an epithelial layer composed of epithelial cells, such as figure 1 As shown, the cells around the smooth collar 11 of the traditional implant 1 have a tendency to migrate and grow with t...
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Abstract

The invention relates to a dental implant. The technical essential is that a groove is formed in the surface of a neck strap of the dental implant. A titanium nitride (TiN) coating is formed on the surface of the groove, and the coating is 100-1000nm thick. Surface feature of anisotropism of the horizontal groove of the dental implant can generate a contact induction effect to gum fibroblast, which means that the fibroblast can be guided to grow along the direction of the horizontal groove. Forming of a peripheral seal of the dental implant by the gum fibroblast is facilitated due to the contact induction effect, which means that the fibroblast can be guided to grow along the horizontal trend of the groove to accelerate well union of surrounding soft tissues of the dental implant and prevent epithelial migration with the direction and bacterial invasion, so as to realize peripheral seal of the implant and ensure the long-term stability of the implant. The micro-groove is combined with the TiN nano coating, so that the dental implant has good antibacterial property and good blood compatibility, effectively accelerates platelet adhesiveness and activation, and has good biocompatibility. Meanwhile, the dental implant effectively promotes proliferation and adhesion of the gum fibroblast.

Application Domain

Dental implants

Technology Topic

Biocompatibility TestingBiomedical engineering +17

Image

  • Dental implant
  • Dental implant
  • Dental implant

Examples

  • Experimental program(4)
  • Effect test(1)

Example Embodiment

[0023] Embodiment 1, using photolithography technology to design a mask with the same width and spacing as the etched trenches, control the width and spacing of the trenches on the silicon plate through the mask, and control the depth of the trenches on the silicon plate through the etching time. There are multiple micro grooves evenly distributed on the surface of the smooth collar of the implant: width 60μm, groove spacing 60μm, depth 10μm, the longitudinal section of the groove is inverted trapezoid, the angle between the sidewall of the groove and the surface of the collar is 54.74 °, spray a 200nm titanium (Ti) coating on the surface of the trench by magnetron sputtering technology.

Example Embodiment

[0024] Embodiment 2, using photolithography technology to design a mask with the same width and spacing as the etched trenches, control the width and spacing of the trenches on the silicon plate through the mask, and control the depth of the trenches on the silicon plate through the etching time. There are multiple micro grooves evenly distributed on the surface of the smooth collar of the implant: width 60μm, groove spacing 60μm, depth 10μm, the longitudinal section of the groove is inverted trapezoid, the angle between the sidewall of the groove and the surface of the collar is 54.74 °, sputter a 200nm titanium nitride (TiN) coating on the trench surface by magnetron sputtering technology.

Example Embodiment

[0025] In Embodiment 3, photolithography is used to design a mask with the same width and spacing as the etched trenches. The width and spacing of the trenches on the silicon plate are controlled by the mask, and the depth of the trenches on the silicon plate is controlled by the etching time. There are multiple micro grooves evenly distributed on the surface of the smooth collar of the implant: width 50μm, groove spacing 100μm, depth 13μm, the longitudinal section of the groove is inverted trapezoid, the angle between the sidewall of the groove and the surface of the collar is 54.74 °, using magnetron sputtering technology to sputter 300nm titanium nitride (TiN) coating on the trench surface.

PUM

PropertyMeasurementUnit
Thickness100.0 ~ 1000.0nm

Description & Claims & Application Information

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