ZARRACHALAR O‘LCHAMI O‘ZGARTIRILGAN STEKLOIONOMER TSEMENTLARNING BIOFAOLLIK VA REMINERALIZATSIYA POTENSIALI
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stekloionomer tsement, zarralar o‘lchami, ftorid ajralishi, pH, remineralizatsiya, gibrid SITs, emal mikroqattiqligi.##article.abstract##
Zamonaviy restavratsion stomatologiya nafaqat inert to‘ldiruvchi materiallarga, balki og‘iz bo‘shlig‘i bilan faol o‘zaro ta’sir qiluvchi biomateriallarga bo‘lgan ehtiyojni oshirmoqda. An’anaviy stekloionomer tsementlar (SITs) kimyoviy yopishuv va ftorid ajratish xususiyati bilan qadrlansa-da, ularning mexanik mustahkamligi past va biofaolligi yetarlicha o‘rganilmagan. Ushbu tadqiqotda to‘ldiruvchi zarrachalar o‘lchamini o‘zgartirish — submikron, nano va gibrid darajalarda — SITsning ion ajralish dinamikasiga, pH o‘zgarishiga va emalning remineralizatsiya qobiliyatiga ta’siri o‘rganildi. Fuji IX GP Extra asosida tayyorlangan uch xil tarkib 28 kun davomida ion-selektiv tahlil va emal mikroqattiqligini tiklash usuli yordamida solishtirildi. Gibrid tarkib barqaror ftorid va kalsiy ajratilishi, pH muhitining tezroq neytrallashuvi va nisbatan yuqori emal qattiqligini tiklash ko‘rsatkichlarini namoyon qildi. Olingan natijalar zarralar o‘lchamini muhandislik yo‘li bilan boshqarish SITsning fizik-kimyoviy xususiyatlarini samarali optimallashtirish va ularning davolovchi salohiyatini oshirish imkonini berishini ko‘rsatdi. Bu yondashuv, ayniqsa, minimal invaziv bolalar stomatologiyasi uchun istiqbolli hisoblanadi.
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