Ispitivanje korozijske postojanosti zubnih implantata

undergraduate thesis

• Title (english): Study of corrosion stability of dental implants
• Author: Marina Ivanko
• Mentor: Helena Otmačić Ćurković (mentor)
• Committee member: Helena Otmačić Ćurković (predsjednik povjerenstva)
• Committee member: Suzana Sopčić (član povjerenstva)
• Committee member: Vladimir Dananić (član povjerenstva)
• Granter: University of Zagreb; Faculty of Chemical Engineering and Technology; Zagreb
• Defense date and country: 2015-09-04, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Basic Technical Sciences; Materials

Abstract

Cilj ovoga rada bio je ispitati korozijsku postojanost zubnih implantata, od nehrđajućeg čelika
i legure titana, na opću i jamičastu koroziju. Ispitivanja su provedena u umjetnoj slini i u
umjetnoj slini i antiseptiku Curaseptu u omjeru 1:1. Da bi što bolje simulirali uvjete usne
šupljine mjerenja su provedena na temperaturi od 37 °C ± 2 °C, pH=5,1. Tehnika koja je
korištena za praćenje korozijskog ponašanja implantata u pojedinom mediju je ciklička
polarizacija. Iz dobivenih rezultata vidljivo je da čelični implantati imaju manju otpornost
prema općoj i lokaliziranoj koroziji nego titanski implantati. Dodatkom antiseptika Curasepta
dolazi do povećanja brzine opće korozije kod oba implantata dok se sklonost lokaliziranoj
koroziji nije povećala.

Abstract (english)

The goal of this work was to test the resistance to general and pitting corrosion of dental
implants made form stainless steel and titanium alloy. Tests were conducted in artificial
saliva and in artificial saliva with Curasept antiseptic in ratio 1:1. To simulate oral cavity
conditions as close as possible, measuring was conducted at temperature 37 °C ± 2 °C, with
pH=5.1. Technique used to monitor the corrosion behaviour of the sample in the medium
was cyclic polarization. From the obtained results it is clear that steel implants have lower
resistance towards general and localized corrosion than titanium implants. After adding
Curasept antiseptic, the rate of general corrosion increases on both implants, while
susceptibility to localized corrosion has not increased.

• Keywords: zubni implantati; jamičasta korozija; umjetna slina; antiseptik; ciklička polarizacija
• Keywords (english): dental implants; pitting corrosion; artificial saliva; antiseptic; cyclic polarization
• Language: croatian
• URN:NBN: urn:nbn:hr:149:883157
• Study programme: Title: Materials Science and Engineering - Undergraduate study; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka kemijskog inženjerstva (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka kemijskog inženjerstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2016-09-21 10:02:17