The Impact of Laser and Fluoride on Tribological Behaviors of Enamel Surface and Fluoride Uptake

• Main Authors: Chien-Chung LAN, 藍建忠
• Other Authors: Y.R. Jeng
• Format: Others
• Language: zh-TW
• Published: 2008
• Online Access: http://ndltd.ncl.edu.tw/handle/93630775409631733467

碩士 === 國立中正大學 === 機械工程所 === 96 === Part at present scribble Fluorine to oppose decayed tooth most effective method, because high thickness characteristic its and short time can be finished. But its shortcoming can only be maintained for several days, so can look for a way, in order to strengthen it rub nature of moistenning, make fluoride increase the time of staying, fluoride can effective application as to clinical medicine. And laser indispensable equipment at being at present clinical already, present research prove laser to can increase tooth with absorption amount after the Fluorine. But, laser to add in tooth surface and gather to rub nature of moistenning piece after painting Fluorine, have the discussion little. So, this paper was studied from then on the respect carried on research, in the hope of understanding before and after CO2 shines laserly, surface shape looks, rubing and moistenning the difference that nature and Fluorine absorbed quantity before and after the enamel with Fluorine. It can make the fluoride incorporate the enamel that this research is probed into first, and does not injure the proper laser parameter of the health of the tooth, and then achieve the goal of resisting decayed tooth. So as proper to count while being laser, shine enamel and scribble Fluorine district discuss physical property and chemical property their respectively then. Utilize Atomic Force Microscope, AFM , Nano-Indentation , Nano-Wear, discuss the tooth enamel layer, is changed surface shape looks and roughness change that influenced laserly, it rubs change which moisten performance in and measurement. And with tModulus Mapping Experiment to Viscoelastic behavior when sticking. Contrast comparative quantity and examine the hardness with sectional tooth and formula of the depth of infiltration, depth influenced in order to discuss this laser range. Pass X-Ray Diffraction, XRD , Electron Probe X-ray Micro-Analysis, EPMA while being micro- only to survey Probe into the changes of the structure of the enamel and chemical property. The experimental result shows the laser parameter that we selected for use will not already injure rubing the nature of moistenning of enamel, can Fluorine calcium of improving in laser treated hardness and wear-resisting characteristic that dawdle. In paint Fluorine sodium deal with and by laser to shine hardness after, than scribble Fluorine heavy sodium have only tooth. By Modulus Maping Experimental result show, Rod on 1.4 times of the Storage modulus tie Sheath; It is a Rod that the Sheath loss modulus 1.9 time. The Rod storage modulus, loss modulus and is all higher than the Sheath, show relatively the Sheath is soft than Rod. In the sectional part, the depth of main infiltration of this laser energy is smaller than 10 μm, will not influence the tooth essence of the enamel ground floor, and injure the health of the tooth.XRD, show the laser power of this range contributes to increase in crystallite size and perfection. Electron Probe X-ray Micro-Analysis, show through dealing with laserly, more Fluorine elements into the enamel layer during treatment and formed a firm bonding.