A kind of preparation method of titanium alloy dental implant surface composite coating
A technology of dental implants and surface compounding, which is used in implants, dentistry, prosthetics, etc., can solve the problems of low bonding strength of the interface between the coating and the titanium alloy matrix, complicated long-term maintenance of osseointegration, and shortened service life. To achieve the effect of improving hydrophilic properties and cell adhesion, good long-term biosafety and stability, and increasing surface energy
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Embodiment 1
[0026] This embodiment includes the following steps:
[0027] Step 1. Perform sandblasting on the surface of the titanium alloy dental implant to be treated, and then perform ultrasonic cleaning and vacuum drying on the titanium alloy dental implant after the sandblasting treatment; the titanium alloy is Ti-6Al-4V titanium alloy, and the The sandblasting pressure of the sandblasting treatment is 0.6MPa, the sandblasting angle is 50 °, the sandblasting distance is 2cm, and the sandblasting time is 40s. The sand grains used in the sand blasting process are white corundum sand, and the grain size of the sand grains is 38 μm to 65 μm; the specific process of ultrasonic cleaning is as follows: first, ultrasonically clean the titanium alloy dental implant after sandblasting with deionized water for 10 minutes, then use acetone to ultrasonically clean for 10 minutes, and then use absolute ethanol to ultrasonically clean for 10 minutes;
[0028] Step 2. Immerse the vacuum-dried titani...
Embodiment 2
[0033] This embodiment includes the following steps:
[0034] Step 1. Perform sandblasting on the surface of the titanium alloy dental implant to be treated, and then perform ultrasonic cleaning and vacuum drying on the titanium alloy dental implant after the sandblasting treatment; the titanium alloy is a Ti-6Al-7Nb titanium alloy, and the The sandblasting pressure of the sandblasting treatment is 1.0MPa, the sandblasting angle is 50°, the sandblasting distance is 2cm, and the sandblasting time is 120s. The sand grains used in the sand blasting treatment are brown corundum, and the grain size of the sand grains is 65 μm. ~104 μm; the specific process of ultrasonic cleaning is as follows: first, ultrasonically clean the titanium alloy dental implant after sandblasting with deionized water for 5 minutes, then use acetone to ultrasonically clean for 5 minutes, and then use absolute ethanol to ultrasonically clean for 5 minutes;
[0035] Step 2. Immerse the vacuum-dried titanium ...
Embodiment 3
[0040] This embodiment includes the following steps:
[0041] Step 1. Perform sandblasting on the surface of the titanium alloy dental implant to be treated, and then perform ultrasonic cleaning and vacuum drying on the titanium alloy dental implant after the sandblasting treatment; the titanium alloy is Ti-3Zr-2Sn-3Mo-25Nb Titanium alloy, the sandblasting pressure of the sandblasting treatment is 1.0MPa, the sandblasting angle is 85 °, the sandblasting distance is 4cm, and the sandblasting time is 120s. The sand grains used in the sand blasting process are silica sand, and the sand grains The particle size is 38 μm to 104 μm; the specific process of ultrasonic cleaning is as follows: first, ultrasonically clean the titanium alloy dental implant after sandblasting for 15 minutes with deionized water, then ultrasonically clean it with acetone for 15 minutes, and then use absolute ethanol to ultrasonically clean it for 15 minutes ;
[0042] Step 2. Immerse the vacuum-dried tita...
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Abstract
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