Prosthodontic Restoration of Endodontically Treated Teeth

Smatra se da endodontski liječeni zubi zbog obično velikoga gubitka tvrdoga zubnog tkiva imaju smanjen otpor na sile koje djeluju u ustima. Kod neadekvatno postendodontski opskrbljenih zubi često dolazi do pojave fraktura i upalnih procesa zbog mikropropuštanja na spoju zuba i ispuna. Zato je nužno obnoviti krunu odgovarajućim restaurativnim postupcima. Manji defekti krune uspješno se nadograđuju materijalima kao što su kompoziti, staklenoionomeri ili amalgam. Kod defekata kod kojih nedostaje veliki dio krune indicirani su indirektni nadomjesci i prema potrebi intrakanalno sidrene nadogradnje. Danas se najčešće koriste vlaknima ojačani kompozitni kolčići jer se pokazalo da uzrokuju manji broj fraktura zbog mehaničkih svojstava kolčića koja su slična dentinu. Glavna uloga kolčića je osiguravanje retencije za budući nadomjestak, krunicu ili most. Glavni zadatak postendodontske terapije jest estetska i funkcijska rekonstrukcija zuba te njegova zaštita. Dobri klinički rezultati postižu se pravilnim postavljanjem dijagnoze i poštovanjem zadanih koraka u provedbi terapije. Suradnjom pacijenta, brigom o oralnoj higijeni i redovitim kontrolama postižu se dugogodišnji povoljni rezultati.Due to severe loss of hard tissue, endodontically treated teeth are less resistant to masticatory forces. Because of the microleakage which develops at the tooth-restoration interface, inadequate postendodontic restorations often enhance proneness to dental fractures and inflammatory processes. It is therefore necessary to restore a dental crown using appropriate restorative procedures. Minor crown defects are successfully corrected with materials such as amalgam, glass ionomer and composite resins. In cases in which a large segment of the crown structure is missing, indirect restorations are indicated and, if necessary, enhanced by additional post-and-core systems. Fiber-reinforced composite posts exhibit mechanical properties similar to those of dentin. They have been shown to cause a reduction in the number of dental fractures, which is why they are the most commonly used type of composite posts today. The primary role of an intracanal post is to provide retention for future restorations, e. g. crowns. The main task of postendodontic therapy is the aesthetic and functional restoration of the tooth, as well as its protection. Good clinical results are achieved by proper diagnosis and compliance with the given steps of the therapy. Patient care, proper oral hygiene and regular follow-ups ensure favorable, long-lasting results