Int J Stomatol

Inter J Stomatol ›› 2011, Vol. 38 ›› Issue (5): 506-508.doi: 10.3969/j.issn.1673-5749.2011.05.003

Previous Articles     Next Articles

Effect of oxidation on the hydrophilic property of the medical nickel titanium alloy

Wang Qiang1, Na Ying2, Feng Cuijuan2, Zhan Desong1, Zhang Yang2.   

  1. 1. Dept. of Dental Materials, School of Stomatology, China Medical University, Shenyang 110002, China; 2. Dept. of Orthodontics, School of Stomatology, China Medical University, Shenyang 110002, China
  • Received:2010-08-28 Revised:2011-06-21 Online:2011-09-20 Published:2011-09-20

RichHTML

4

PDF (PC)

1784

Abstract:

Objective To evaluate the effect of oxidation on the hydrophilic property of the medical nickel titanium（ NiTi） alloy. Methods The test samples were divided into two groups as a oxidized group and a non-oxidized group. NiTi alloy with nearly equiatomic ratio of nickel and titanium elements was selective oxidized in boiled 30% hydrogen peroxide solution solution. Then, the oxidized alloy was ultrasonically rinsed with deionized water and dried at 37 ℃. Static contact angle was measured using contact angle measuring instrument by stop drop method. The samples were placed in the sample room. Deionized water and α -bromonaphthalene were dropped on the samples surface. Then the measured pictures were acquired and the contact was evaluated by the accompanying software. Results The surface contact and interfacial tension of the oxidized NiTi alloy was lower than those of the non-oxidized while the surface tension was higher. The blood compatibility of the NiTi alloy will be improved by surface oxidation concerning wetting ability, interfacial tension and surface tension. Conclusion Surface thermodynamics properties including wetting ability, surface tension and interfacial tension are improved by oxidation treatment which leads to the improvement of blood compatibility of the NiTi alloy.

Key words: nickel titanium alloy, surface oxidation, contact, surface tension, interfacial tension


TrendMD: 
[1] Xue Jing. Development and clinical application of proximal matrix system [J]. Int J Stomatol, 2020, 47(6): 621-626.
[2] Xiao Yuhan,Yu Haiyang. Interproximal open contacts between implant restorations and adjacent teeth [J]. Int J Stomatol, 2020, 47(2): 202-205.
[3] Qiyue Chen,Guangbao Song. Research progress on proximal contact loss between implant-supported fixed prostheses and adjacent natural teeth [J]. Int J Stomatol, 2019, 46(3): 356-360.
[4] Wang Maoxia, Dai Guanyu, Meng Yukun. Mechanism of vertical food impaction [J]. Inter J Stomatol, 2018, 45(2): 245-248.
[5] Liang Jichao, Wang Fen, Zhang Zhenghua, Pang Fusheng, Hou Meijuan, Zhang Fengying. Clinical evaluation of interproximal caries restoration with orthodontic elastic separators [J]. Inter J Stomatol, 2017, 44(4): 440-444.
[6] Huang Min, Luo Yun, Wang Min. Relationship between the interproximal interface of adjacent teeth and food impaction [J]. Inter J Stomatol, 2016, 43(3): 303-308.
[7] Sun Xuewu, Liu Zhonghao.. Jaw relationship recording for patients who need complete denture again [J]. Inter J Stomatol, 2011, 38(5): 614-616.
[8] LIN Ping, YE Ping , TU Hui -juan. The preliminary report on evaluation of interproximal papilla defects of maxillar [J]. Inter J Stomatol, 2009, 36(5): 524-526，530.
[9] SUI Lei, CHAO Yong-lie, WANG Pinting, ZHOU Min. Wettability study of hydrophilic silicone oral impression materials [J]. Inter J Stomatol, 2009, 36(4): 405-408.
[10] MA Hui-fen , LI Yu-chao , LIN Xue-fen , XU Long-bo , JI Ping . The analysis of occlusion in the treatment of youth bruxism with deep overbite us [J]. Inter J Stomatol, 2009, 36(4): 387-390.
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
[1] . [J]. Foreign Med Sci: Stomatol, 1999, 26(06): .
[2] . [J]. Foreign Med Sci: Stomatol, 1999, 26(06): .
[3] . [J]. Foreign Med Sci: Stomatol, 1999, 26(06): .
[4] . [J]. Foreign Med Sci: Stomatol, 1999, 26(06): .
[5] . [J]. Foreign Med Sci: Stomatol, 1999, 26(05): .
[6] . [J]. Foreign Med Sci: Stomatol, 1999, 26(05): .
[7] . [J]. Foreign Med Sci: Stomatol, 1999, 26(04): .
[8] . [J]. Foreign Med Sci: Stomatol, 1999, 26(04): .
[9] . [J]. Foreign Med Sci: Stomatol, 2004, 31(02): 126 -128 .
[10] . [J]. Inter J Stomatol, 2008, 35(S1): .