Effects of ER,Cr:YSGG laser irradiation and fluoride treatment on acid resistance of the enamel. 2009

M Moslemi, and R Fekrazad, and N Tadayon, and M Ghorbani, and H Torabzadeh, and M M Shadkar
Pediatric Department, Dental School, Shahid Beheshti University of Medical Sciences, Tehran, Iran. masume_moslemi@yahoo.com

OBJECTIVE The purpose of this study was to evaluate the effect of the Er,Cr:YSGG loser on the enamel's acid resistance when irradiated alone, prior to or after acidulated phosphate fluoride (APF) treatment. METHODS Eighty-five enamel surfaces were prepared from 17 extracted human premolars and randomly assigned to 5 groups: (1) untreated (control); (2) irradiated with a Er,Cr:YSGG loser; (3) exposed to a 1.23% APF gel; (4) loser-irradiated followed by APF treatment; and (5) APF-treated followed by loser irradiation. The specimens were individually demineralized in 0.2 M acetate buffer solution for 10 days, and the acid resistance was evaluated by determining the calcium ion using atomic absorption spectrometry. RESULTS Significant differences were found between group 1 and groups 2 through 5 (P < 0.001). There were no signifIcant differences between groups 2 and 3 (P = 1.000). Compared to groups 2 and 3, a lower calcium content was detected in the demineralization solution for groups 4 and 5. The difference between groups 4 and 5, however, was not statistically significant (P = 0.289). CONCLUSIONS Combining ocidulated phosphate fluoride with the Er,Cr:YSGG loser decreased the enamel demineralization more than either fluoride treatment or laser treatment alone.

UI MeSH Term Description Entries
D002327 Cariostatic Agents Substances that inhibit or arrest DENTAL CARIES formation. (Boucher's Clinical Dental Terminology, 4th ed) Cariostatic Effect,Cariostatic Effects,Agent, Cariostatic,Agents, Cariostatic,Cariostatic Agent,Effect, Cariostatic,Effects, Cariostatic
D003747 Dental Enamel Solubility The susceptibility of the DENTAL ENAMEL to dissolution. Enamel Solubility, Dental,Solubility, Dental Enamel
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000149 Acidulated Phosphate Fluoride A sodium fluoride solution, paste or powder, which has been acidulated to pH 3 to 4 and buffered with a phosphate. It is used in the prevention of dental caries. Phosphate Fluoride, Acidulated,Acid Phosphate Fluoride,Fluoride, Acid Phosphate,Fluoride, Acidulated Phosphate
D001641 Bicuspid One of the eight permanent teeth, two on either side in each jaw, between the canines (CUSPID) and the molars (MOLAR), serving for grinding and crushing food. The upper have two cusps (bicuspid) but the lower have one to three. (Jablonski, Dictionary of Dentistry, 1992, p822) Premolar,Bicuspids,Premolars
D014077 Tooth Erosion Progressive loss of the hard substance of a tooth by chemical processes that do not involve bacterial action. (Jablonski, Dictionary of Dentistry, 1992, p296) Dental Enamel Erosion,Dental Erosion,Dental Enamel Erosions,Dental Erosions,Enamel Erosion, Dental,Erosion, Dental,Erosion, Dental Enamel,Erosion, Tooth,Tooth Erosions
D017001 Tooth Demineralization A tooth's loss of minerals, such as calcium in hydroxyapatite from the tooth matrix, caused by acidic exposure. An example of the occurrence of demineralization is in the formation of dental caries. Demineralization, Tooth
D053844 Lasers, Solid-State Lasers which use a solid, as opposed to a liquid or gas, as the lasing medium. Common materials used are crystals, such as YAG (YTTRIUM aluminum garnet); alexandrite; and CORUNDUM, doped with a rare earth element such as a NEODYMIUM; ERBIUM; or HOLMIUM. The output is sometimes additionally modified by addition of non-linear optical materials such as potassium titanyl phosphate crystal, which for example is used with neodymium YAG lasers to convert the output light to the visible range. Alexandrite Laser,Alexandrite Lasers,Diode Pumped Solid State Laser,Diode Pumped Solid State Lasers,Er-YAG Laser,Er-YAG Lasers,Erbium Doped Yttrium Aluminum Garnet Laser,Erbium YAG Laser,Erbium-Doped Yttrium Aluminum Garnet Laser,Erbium-Doped Yttrium Aluminum Garnet Lasers,Ho YAG Laser,Ho YAG Lasers,Holmium Doped Yttrium Aluminum Garnet Lasers,Holmium Laser,Holmium-YAG Laser,Holmium-YAG Lasers,KTP Laser,Laser, Nd-YAG,Nd-YAG Laser,Nd-YAG Lasers,Neodymium-Doped Yttrium Aluminum Garnet Laser,Neodymium-Doped Yttrium Aluminum Garnet Lasers,Potassium Titanyl Phosphate Laser,Ruby Laser,Ruby Lasers,Solid-State Laser,YAG Laser,YAG Lasers,YLF Laser,YLF Lasers,YSGG Laser,YSGG Lasers,Yttrium Aluminum Garnet Laser,Yttrium-Lithium-Fluoride Laser,Yttrium-Lithium-Fluoride Lasers,Yttrium-Scandium-Gallium Garnet Laser,Yttrium-Scandium-Gallium Garnet Lasers,Erbium YAG Lasers,Holmium Lasers,KTP Lasers,Lasers, Alexandrite,Lasers, Diode Pumped Solid State,Lasers, Er-YAG,Lasers, Erbium-Doped Yttrium Aluminum Garnet,Lasers, Ho-YAG,Lasers, Holmium Doped Yttrium Aluminum Garnet,Lasers, Nd-YAG,Lasers, Neodymium-Doped Yttrium Aluminum Garnet,Lasers, Ruby,Lasers, YAG,Lasers, Yttrium Aluminum Garnet,Lasers, Yttrium-Lithium-Fluoride,Potassium Titanyl Phosphate Lasers,Yttrium Aluminum Garnet Lasers,Er YAG Laser,Er YAG Lasers,Erbium Doped Yttrium Aluminum Garnet Lasers,Ho-YAG Laser,Ho-YAG Lasers,Holmium YAG Laser,Holmium YAG Lasers,Laser, Alexandrite,Laser, Er-YAG,Laser, Erbium YAG,Laser, Ho YAG,Laser, Ho-YAG,Laser, Holmium,Laser, Holmium-YAG,Laser, KTP,Laser, Nd YAG,Laser, Ruby,Laser, Solid-State,Laser, YAG,Laser, YLF,Laser, YSGG,Laser, Yttrium-Lithium-Fluoride,Laser, Yttrium-Scandium-Gallium Garnet,Lasers, Er YAG,Lasers, Erbium Doped Yttrium Aluminum Garnet,Lasers, Erbium YAG,Lasers, Ho YAG,Lasers, Holmium,Lasers, Holmium-YAG,Lasers, KTP,Lasers, Nd YAG,Lasers, Neodymium Doped Yttrium Aluminum Garnet,Lasers, Solid State,Lasers, YLF,Lasers, YSGG,Lasers, Yttrium Lithium Fluoride,Lasers, Yttrium-Scandium-Gallium Garnet,Nd YAG Laser,Nd YAG Lasers,Neodymium Doped Yttrium Aluminum Garnet Laser,Neodymium Doped Yttrium Aluminum Garnet Lasers,Solid State Laser,Solid-State Lasers,YAG Laser, Erbium,YAG Laser, Ho,YAG Lasers, Erbium,YAG Lasers, Ho,Yttrium Lithium Fluoride Laser,Yttrium Lithium Fluoride Lasers,Yttrium Scandium Gallium Garnet Laser,Yttrium Scandium Gallium Garnet Lasers

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