Antimikrobni kapacitet kazein fosfopeptida/amorfnoga kalcijeva fosfata i enzima u stakloionomernom cementu pri sanaciji karijesnih lezija Antimicrobial Capacity of Casein Phosphopeptide/Amorphous Calcium Phosphate and Enzymes in Glass Ionomer Cement in Dentin Carious Lesions

نویسندگان

  • Sérgio Luiz Pinheiro
  • Giuliana Rodrigues Azenha
  • Flávia De Milito
  • Yasmin Marialva Democh
چکیده

Adresa za dopisivanje Sérgio Luiz Pinheiro Rua Raul Gasparini, no 525, Bairro Panorama, Residencial Jardim das Palmeiras, Vinhedo – São Paulo Brazil – CEP 13280-000 tel: 55 11 992450090 / 55 19 38864258 [email protected] Sažetak Svrha: Željela se procijeniti moguća inhibicija rasta bakterije S. mutans na karioznom modelu koristeći se stakloionomernim cementom (GIC) pomiješanim s kazein fosfopeptidom/amorfnim kalcijevim fosfatom (CPP/ACP) te lizozimom, laktoferinom i laktoperoksidazom (LLL). Materijali i metode: Odabrano je osamdeset trajnih trećih kutnjaka (molara). Dentin tih zuba ogoljen je i zaglađen. Osim koronalnoga dijela dentina, ostatak zuba hermetički je zabrtvljen, steriliziran i izvrgnut karijesnom utjecaju S. mutans. Karijesne lezije zatvorene su kako slijedi: grupa 1 (n = 20): GIC bez dodataka; grupa 2 (n = 20): GIC + CPP/ACP; grupa 3 ( n= 20): GIC + LLL; grupa 4 (n = 20): GIC + CPP/ACP + LLL. Broj bakterija S. mutans određivao se prije nego što su karijesni zubi zatvoreni (n = 5), nakon 24 sata (n = 5), nakon mjesec dana (n = 5) i nakon šest mjeseci (n = 5). Rezultati su analizirani opisnom statističkom analizom i Kruskal-Wallisovim testom (Student-Newman-Keulsov test). Rezultati: Mjesec dana nakon zatvaranja kombinacija GIC + LLL uzrokovala je značajnu redukciju rasta S. mutans (p < 0,01), no unatoč tomu zabilježen je značajan rast S. mutans šest mjeseci nakon zatvaranja. Uzorci GIC-a, GIC + CPP/ACP i GIC + CPP/ACP + LLL imali su značajnu redukciju S. mutans nakon 24 sata (p < 0,05), ali i porast broja bakterija nakon mjesec dana i šest mjeseci. Zaključak: Dodavanje LLL-a u GIC snažnije antimikrobno djeluje na S. mutans. To rezultira jednomjesečnom kontrolom bakterijskoga biofilma, što na kraju zaustavlja karijesnu leziju. Ključne riječi karijes; Streptococcus mutans; kazein fosfopeptid-amorfni kalcijum fosfat nanokompleks; stakleno-ionomerni cementi; antibakterijska sredstva; muramidaze; laktoferin; laktoperoksidaze Zavod za estetsku i dječju stomatologiju Stomatološkog fakulteta Katoličkoga biskupskog sveučilišta Campinas, PUC – Campinas, Brazil Catholic Pontifical University of Campinas PUC-Campinas, School of Dentistry, Department of Cosmetic Dentistry and Pediatric Dentistry

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تاریخ انتشار 2015