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            <front>

                <journal-meta>
                                    <journal-id></journal-id>
            <journal-title-group>
                                                                                    <journal-title>Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi</journal-title>
            </journal-title-group>
                            <issn pub-type="ppub">1300-9044</issn>
                                        <issn pub-type="epub">2667-5161</issn>
                                                                                            <publisher>
                    <publisher-name>Ataturk University</publisher-name>
                </publisher>
                    </journal-meta>
                <article-meta>
                                        <article-id pub-id-type="doi">10.17567/ataunidfd.743910</article-id>
                                                                <article-categories>
                                            <subj-group  xml:lang="en">
                                                            <subject>Dentistry</subject>
                                                    </subj-group>
                                            <subj-group  xml:lang="tr">
                                                            <subject>Diş Hekimliği</subject>
                                                    </subj-group>
                                    </article-categories>
                                                                                                                                                        <title-group>
                                                                                                                        <article-title>ZİRKONYA VE VENEER SERAMİK ARASINDAKİ BAĞLANTIYA FARKLI FIRINLAMA UYGULAMALARININ ETKİSİ</article-title>
                                                                                                    </title-group>
            
                                                    <contrib-group content-type="authors">
                                                                        <contrib contrib-type="author">
                                                                    <contrib-id contrib-id-type="orcid">
                                        https://orcid.org/0000-0003-2035-8686</contrib-id>
                                                                <name>
                                    <surname>Akar</surname>
                                    <given-names>Türker</given-names>
                                </name>
                                                                    <aff>ERZİNCAN BİNALİ YILDIRIM ÜNİVERSİTESİ, DİŞ HEKİMLİĞİ FAKÜLTESİ</aff>
                                                            </contrib>
                                                    <contrib contrib-type="author">
                                                                    <contrib-id contrib-id-type="orcid">
                                        https://orcid.org/0000-0002-1769-1667</contrib-id>
                                                                <name>
                                    <surname>Demir</surname>
                                    <given-names>Hakan</given-names>
                                </name>
                                                                    <aff>CUMHURİYET ÜNİVERSİTESİ, DİŞ HEKİMLİĞİ FAKÜLTESİ</aff>
                                                            </contrib>
                                                                                </contrib-group>
                        
                                        <pub-date pub-type="pub" iso-8601-date="20201015">
                    <day>10</day>
                    <month>15</month>
                    <year>2020</year>
                </pub-date>
                                        <volume>30</volume>
                                        <issue>4</issue>
                                        <fpage>626</fpage>
                                        <lpage>632</lpage>
                        
                        <history>
                                    <date date-type="received" iso-8601-date="20191121">
                        <day>11</day>
                        <month>21</month>
                        <year>2019</year>
                    </date>
                                                    <date date-type="accepted" iso-8601-date="20200528">
                        <day>05</day>
                        <month>28</month>
                        <year>2020</year>
                    </date>
                            </history>
                                        <permissions>
                    <copyright-statement>Copyright © 1986, Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi</copyright-statement>
                    <copyright-year>1986</copyright-year>
                    <copyright-holder>Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi</copyright-holder>
                </permissions>
            
                                                                                                <abstract><p>Amaç: Çalışmamızın amacı, hem zirkonyum oksit esaslı alt yapı blokların sinterlenmesi, hem de alt yapı üzerine uygulanacak olan veneer seramiklerin fırınlanması esnasında, özellikle soğuma hızları dikkate alındığında, farklı fırınlama program tercihlerinin, zirkonyum oksit ve veneer seramik arasındaki bağlantıya etkisini araştırmaktır.Gereç ve Yöntem: 144 adet Y-TZP alt yapı (7 mm.* 3mm.) olacak şekilde üretilmiştir. Daha sonra bu örnekler sinterleme işleminden sonraki soğutulma prosedürlerine göre 2 ana gruba ayrılmıştır (grup P1-n=72 ve grup P5-n=72). Bu iki ana grup ise iki farklı marka porselenin üretici firma tavsiyeli yavaş soğutma ve bizim belirlediğimiz hızlı soğutma olmak üzere 4 er adet alt gruplara ayrılmıştır. Üretilen örneklerin hepsine 5000 devir termal siklus uygulanmıştır. Her bir örnek Universal test cihazında 0,5mm/dak. kafa hızında makaslama bağlanma dayanımı testine tabi tutulmuştur. Kesme işlemini yapacak bıçak ucu, 1 mm. kalınlığında ve künt olacak şekilde hazırlanmıştır. Test bıçak ucu ile örnekler arasındaki açı 90º, hızı ise 1 mm/dakika olarak gerçekleştirilmiştir. İstatistiksel analizler Mann Whitney U testi kullanılarak sonuçları p&amp;lt;0.05 anlamlılık düzeyine göre değerlendirilmiştir.Bulgular: Bütün veriler dikkate alındığında elde edilen en yüksek makaslama bağlanma dayanımı değeri (25,57±0,64 MPa), P5 sinterleme programında hazırlanan zirkonyum oksit alt yapılara yavaş soğuma işlemiyle uygulanmış Vita VM9 veneer porselen grubunda termal siklus işlemi öncesi elde edilmiştir. En düşük makaslama bağlanma değeri (19,75±0,80 MPa) ise P1 sinterleme programında hazırlanan zirkonyum oksit alt yapılara hızlı soğuma işlemi ile uygulanmış Noritake CZR veneer porselen grubunda termal siklus işlemi sonrası elde edilmiştir.Sonuç: Sonuç olarak P1 (Hızlı) ve P5 (Yavaş) olmak üzere sinterlenen zirkonyum oksit alt yapıların bağlanma değerleri karşılaştırıldığında P5 ana grubundaki bağlanma dayanımı değerleri, P1 grubundakilere göre daha yüksek bulunmuştur.Anahtar Kelimeler: Zirkonyum oksit, bağlanma dayanımı, veneer seramik.</p></abstract>
                                                            
            
                                                            <kwd-group>
                                                    <kwd>Zirkonyum oksit</kwd>
                                                    <kwd>  bağlanma dayanımı</kwd>
                                                    <kwd>  veneer seramik.</kwd>
                                            </kwd-group>
                            
                                                                                                                        </article-meta>
    </front>
    <back>
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