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1、乳飲料對(duì)年輕恒牙脫礦作用的研究1.天津醫(yī)科大學(xué)總醫(yī)院天津300052;2.天津醫(yī)科大學(xué)總醫(yī)院口腔內(nèi)科天津300052【摘要】目的:研究目前市場(chǎng)暢銷(xiāo)的乳飲料對(duì)年輕恒牙釉質(zhì)的脫礦作用,比較不同飲料對(duì)牙釉質(zhì)的脫礦程度。方法:將顯微鏡下觀察無(wú)齲、無(wú)裂紋及釉質(zhì)發(fā)育缺陷的42個(gè)釉質(zhì)樣木,隨機(jī)分成四組:A為每日活菌組,B為沙棘酸牛奶組,C為酸牛奶組,每組12個(gè)樣木,D為對(duì)照組,含6個(gè)樣木;四組牙釉質(zhì)塊均用相同人工唾液儲(chǔ)存于同一條件下。將每組樣木經(jīng)過(guò)不同的飲料及不同的方法處理后通過(guò)能譜分析儀及掃描電鏡分析其表面形態(tài)及鈣磷含量的變化并用SPSS19
2、.0分析。結(jié)果:三種乳制品飲料都會(huì)導(dǎo)致釉質(zhì)的脫礦。經(jīng)去離子水沖洗后的牙釉質(zhì)較未經(jīng)去離子水沖洗的牙釉質(zhì)脫礦程度低。結(jié)論:不同的乳飲料均會(huì)導(dǎo)致牙釉質(zhì)脫礦,但其脫礦程度略有差別。提醒廣大青少年合理飲用乳制品飲料,同時(shí)建議飲用飲料后及時(shí)漱U,以預(yù)防或減少其對(duì)牙釉質(zhì)的脫礦作用,降低牙齒的患齲率?!娟P(guān)鍵詞】乳飲料,年輕恒牙,脫礦AnexpelrimentalstudyonyoungpermanentteethenameldeminerlaziationbymilkdrinksBaiXiangyu,ZhangJieTianjinMedicalU
3、niversityGeneralHospitalofStomatology[Abstract]Objective:Tostudythecurrentmarketsellingmilkdrinksonthedemineralizationoftheenamelofyoungpermanenttocomparethedemineralizationdegreeofdifferentdrinksonenamel.Methods:42samplesofenamelwereobserved,whichwerenocaries,nocrack
4、sanddevelopmentaldefectsofenamelunderthemicroscope,wererandomlydividedintofourgroups:groupAdailylivebacteria,groupBistheseabuckthornkefir,groupCistheyogurt,eachgroupof12samples,Disacontrolgroupcontaining6samples;alloftheenamelblocksinfourgroupswerestoredinartificialsa
5、livaunderthesameconditions.Toanalyzethechangesofeachsampleinsurfacemorphologyandcalciumandphosphoruscontentbyspectrumanalyzersandscanningelectronmicroscopyaftereachsetofsampleswastreatedbydifferentbeveragesanddifferentmethodsofprocess,thenanalyzedbySPSS19.0.Results:Th
6、esethreekindsofdairybeveragescancauseenameldemineralization.Thedemineralizationlevelofenamelrinsedbydeionizedwaterwerelowerthantheenamelthatwerenotrinsedbydeionizedwater.Conclusion:Differentkindofmilkdrinkswouldcauseenameldemineralization,butthedemineralizationdegreew
7、ereslightlydifferent,remindingtheyoungpeopletodrinkdairybeveragesreasonablyandgargleafterdrinkingbeveragestopreventorreduceitsdemineralizationdegreeofenamel,reducedtheprevalenceofdentalcaries.【Keywords】milkdrinks,youngpermanentteeth,demineralization【中圖分類(lèi)號(hào)】Q983+.8【文獻(xiàn)標(biāo)識(shí)
8、碼】A【文章編號(hào)】2096-0867(2015)-09-024-03近年來(lái),隨著人們物質(zhì)生活水平的提高,兒童及青少年對(duì)飲料的的消耗量呈直線上升[1]。研究表明,牙齒侵蝕是由于除細(xì)菌來(lái)源以外的酸性物質(zhì)化學(xué)溶解過(guò)程造成的牙表面礦物質(zhì)丟失[2]。酸蝕癥的