PREGLED MOGUĆNOSTI NADOKNADE KOSTI U CILJU PRETPROTETSKE PRIPREME PACIJENTA

  • Marko Igić Univerzitet u Nišu, Medicinski fakultet, Stomatološka protetika
  • Milena Kostić
  • Ana Pejčić
  • Nikola Gligorijević
  • Marija Jovanović

Sažetak


Gubitak kosti vilica, posebno u predelu alveolarnog nastavka, može značajno otežati proceduru protetske rehabilitacije protetičkih pacijenata. Razlog gubitka viličnih kosti jesu fiziološki i patološki procesi. Koštani zamenici imaju široku primenu i u rekonstrukciji defekata kostiju.  Optimalne karakteristike ovih materijala su biokompatibilnost, bioinertnost, biofunkcionalnost i poseban kanalikularni i interkanalikularni sistem. Aloplastični koštani zamenici su neorganski, sintetski, biokompatibilni i bioaktivni zamenici za kost sa osteoinduktivnim potencijalom. Hidroksiapatit predstavlja preparat na bazi kalcijum fosfata. Poseduje visoku biokompatibilnost, nisku imunogenost i dobre osteokonduktivne karakteristike. Loše osobine su slaba mehanička otpornost kao i nizak stepen resorpcije. Zbog toga se je pristupilo istraživanju hemijski modifikovanih hidroksiapatita koji u sebi sadrže različite jone. Joni kalcijuma mogu biti zamenjeni različitim metalnim jonima kao što su kobalt, aluminijum, nikl, mangan, hrom, bakar u tečnoj sredini.

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Objavljeno
2025/12/09
Rubrika
Pregledni rad / Review article