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            <front>

                <journal-meta>
                                                                <journal-id>sdü tıp fak derg</journal-id>
            <journal-title-group>
                                                                                    <journal-title>Medical Journal of Süleyman Demirel University</journal-title>
            </journal-title-group>
                                        <issn pub-type="epub">2602-2109</issn>
                                                                                            <publisher>
                    <publisher-name>Süleyman Demirel Üniversitesi</publisher-name>
                </publisher>
                    </journal-meta>
                <article-meta>
                                        <article-id pub-id-type="doi">10.17343/sdutfd.333523</article-id>
                                                                <article-categories>
                                            <subj-group  xml:lang="en">
                                                            <subject>Clinical Sciences</subject>
                                                    </subj-group>
                                            <subj-group  xml:lang="tr">
                                                            <subject>Klinik Tıp Bilimleri</subject>
                                                    </subj-group>
                                    </article-categories>
                                                                                                                                                        <title-group>
                                                                                                                        <article-title>Maksilla Posterior Bölgede Vertikal Kemik Miktarının Yetersizliği Durumunda Uygulanan Kısa İmplantların Üzerindeki Ve Etrafındaki Kuvvet Dağılımının Sonlu Elemanlar Analizi ile Değerlendirilmesi</article-title>
                                                                                                                                                                                                <trans-title-group xml:lang="en">
                                    <trans-title>Evaluation of Stress Distribution with Finite Element Analysis on and around Short Implants in Case of Inadequate Vertical Bone Quantity in Maxilla Posterior Region</trans-title>
                                </trans-title-group>
                                                                                                    </title-group>
            
                                                    <contrib-group content-type="authors">
                                                                        <contrib contrib-type="author">
                                                                <name>
                                    <surname>Kılınç</surname>
                                    <given-names>Adnan</given-names>
                                </name>
                                                                    <aff>Atatürk Üniversitesi, Diş Hekimliği Fakültesi, Ağız Diş ve Çene Cerrahisi AD, Erzurum, Türkiye</aff>
                                                            </contrib>
                                                    <contrib contrib-type="author">
                                                                <name>
                                    <surname>Ataol</surname>
                                    <given-names>Mert</given-names>
                                </name>
                                                                    <aff>Atatürk Üniversitesi, Diş Hekimliği Fakültesi, Ağız Diş ve Çene Cerrahisi AD, Erzurum, Türkiye</aff>
                                                            </contrib>
                                                    <contrib contrib-type="author">
                                                                <name>
                                    <surname>Saruhan</surname>
                                    <given-names>Nesrin</given-names>
                                </name>
                                                            </contrib>
                                                    <contrib contrib-type="author">
                                                                <name>
                                    <surname>Gündoğdu</surname>
                                    <given-names>Mustafa</given-names>
                                </name>
                                                                    <aff>Atatürk Üniversitesi, Diş Hekimliği Fakültesi, Protetik Diş Tedavisi AD, Erzurum, Türkiye</aff>
                                                            </contrib>
                                                                                </contrib-group>
                        
                                        <pub-date pub-type="pub" iso-8601-date="20181201">
                    <day>12</day>
                    <month>01</month>
                    <year>2018</year>
                </pub-date>
                                        <volume>25</volume>
                                        <issue>4</issue>
                                        <fpage>349</fpage>
                                        <lpage>355</lpage>
                        
                        <history>
                                    <date date-type="received" iso-8601-date="20170808">
                        <day>08</day>
                        <month>08</month>
                        <year>2017</year>
                    </date>
                                                    <date date-type="accepted" iso-8601-date="20170921">
                        <day>09</day>
                        <month>21</month>
                        <year>2017</year>
                    </date>
                            </history>
                                        <permissions>
                    <copyright-statement>Copyright © 1994, Süleyman Demirel Üniversitesi Tıp Fakültesi Dergisi</copyright-statement>
                    <copyright-year>1994</copyright-year>
                    <copyright-holder>Süleyman Demirel Üniversitesi Tıp Fakültesi Dergisi</copyright-holder>
                </permissions>
            
                                                                                                <abstract><p>Amaç:Bu çalışmanınamacı; 3 boyutlu sonlu elemanlar analiz yöntemi ile posterior maksiller dişsizbölgeye uygulanan kısa dental implantların üzerinde ve çevresinde oluşan kuvvetdağılımlarının incelenmesidir. Yöntem:Maksiller sinüspnömatizasyonu bulunan dişsiz posterior alana sahip sağlıklı bir bireyinbilgisayarlı tomografi görüntüleri temel alınarak bir model oluşturuldu.Ardından 6,5 mm uzunluğunda ve 4 mm çapında vida tipi silindirik implant modelioluşturuldu. Vertikal ve oblik kuvvetler simüle edilerek üç boyutlu sonluelemanlar stres analizi yöntemi ile implant üzerinde ve çevre kemik üzerinde oluşanstresler değerlendirildi.Bulgular:Vertikal veoblik yükleme esnasında implant üzerinde oluşan streslerin değerlendirilimesiiçin von Mises stresi sonuçları hem sayısal olarak hem de renklendirilmişgörüntüler olarak kaydedilmiştir. Kortikal kemik ve kansellöz kemik üzerindebelirlenen 4 bölge üzerinde oluşan von Mises stres, çekme stresi ve baskıstresi sonuçları hem sayısal olarak hem de renklendirilmiş görüntüler olarakdeğerlendirilmiştir. Buna göre; streslerin kansellöz kemiğe oranla kortikal kemikteyoğun olduğu görülmüştür. Ayrıca, en yüksek kuvvetler implant içerisindeoluştuğu ve dayanak-implant birleşimi yakınında, implantın kortikal kemik ilekomşuluk yaptığı bölge sınırında yoğunlaştığı görülmüştür. Sonuç:Çalışılan tümmodellerde elde edilen stres değerlerinin yıkıcı sınırlara yaklaşmamasısebebiyle, maksiller posterior dişsiz bölgede kısa implantların kullanımınınbaşarılı olabileceği öngörülmüştür. İmplantlara gelen oblik kuvvetlerinoluşturduğu stresin daha yüksek değerlerde olduğu düşünülerek, özellikle kısaimplant yerleştirileceği zaman, implantların mümkün olduğunca okluzalkuvvetlere paralel şekilde yerleştirilmesi biyomekanik açıdan önemlidir.</p></abstract>
                                                                                                                                    <trans-abstract xml:lang="en">
                            <p>Purpose: The aim of this study was toevaluate the stress distribution on the short implant and surrounding bone thatwas applied to posterior maxillary edentulous region.Methods: The model was definedaccording to a computed tomography images of a healthy patient’s posterioredentulous region with maxillary sinus pneumatization. Then, 6.5mm length and4mm diameter cylindrical titanium implant was modeled. Vertical and oblique forces were simulated and evaluated withthree-dimensionally finite element analysis method.Results: For evaluating the stresseson the implant during vertical and oblique loading, von Mises stress resultswere recorded both numerically and as colored images. Von Mises stress,compressive stress and tensile stress on the four regions determined on corticalbone and cancellous bone were evaluated with numerical and colored images.According to results; stresses were found to be high in the cortical bonecompared to the cancellous bone. Also, the highest stress was found on theimplant body, and the stress were high at near the abutment-implant junction,region of the implant adjacent to the cortical bone.Conclusion: Itis predicted that the use of short implants in maxillary posterior region couldbe appropriate because the obtained stress values in all models were not highas the destructive limits. Taking into account that the stress on the implantsgenerated by the oblique forces is higher, for especially short implantplacement, it is important biomechanically that the implants should be placedas possible as parallel to the occlusal forces.</p></trans-abstract>
                                                            
            
                                                            <kwd-group>
                                                    <kwd>Sonlu Eleman Analizi</kwd>
                                                    <kwd>  Kısa İmplant</kwd>
                                                    <kwd>  Posterior Maksilla</kwd>
                                                    <kwd>  Vertikal Kemik Yetersizliği</kwd>
                                            </kwd-group>
                                                        
                                                                            <kwd-group xml:lang="en">
                                                    <kwd>Finite Element Analysis</kwd>
                                                    <kwd>  Short Implant</kwd>
                                                    <kwd>  Posterior Maxilla</kwd>
                                                    <kwd>  Vertical Bone Deficiency</kwd>
                                            </kwd-group>
                                                                                                            </article-meta>
    </front>
    <back>
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