Hakkı KAZANCIOĞLU, Süleyman KILIÇ, Gülsüm AK

TİTANYUM DENTAL İMPLANTLARDA KOROZYON

Titanyum (Ti), biyouyumlu ve inert bir materyaldir. Bu nedenle biomedikal uygulamaların yapıldığı diş hekimliği ve ortopedi gibi alanlarda sıklıkla kullanılmaktadır. Ancak son zamanlarda titanyumun biyouyumluluğu hakkında olumsuz düşünceler ileri sürülmektedir. Ti ve alaşımlarının korozyona uğraması ve oluşan korozyon ürünlerinin kandaki ve dokulardaki seviyesi günümüzde bilim adamlarınca tartışılmaktadır. Günümüzde metalurjik ve teknikolojik gelişmelere, ve cerrahi ve dental materyal tasarımlarındaki ilerlemelere rağmen, dental implantlarda başarısızlıklar görülebil- mektedir. Bu durumun nedenlerinden birisi de koroz- yon olabilir. İmplantların biyolojik olarak vücut tara- fından kabul edilebilmesi ve yapısal bütünlüğünün korunması tam olarak anlaşılabildiğinde, implant kaybı çok nadir görülen bir olay haline gelebilir. Bu makalede titanyum dental implant ve alaşımlarını inceleyen araştırmaların sunulması ve titanyum dental implantlar etrafında oluşan galvanik korozyonun değerlendirilmesi amaçlamaktadır.

Anahtar Kelimeler:

Dental, İmplant, Titanyum, Sitokin, Korozyon

CORROSION IN TITANIUM DENTAL IMPLANTS

Titanium has long been regarded as an inert and biocompatible metal, ideal for biomedical applications such as dental implants or joint replacements. However, concerns about the biocompatibility of Ti have lately arisen. In spite of recent innovative metallurgical and technological advances and remarkable progress in the design and development of surgical and dental materials, failures do occur. One of the reasons for these failures can be corrosion of dental implants. When the mechanisms that ensure implant bioacceptance and structural stabilization are fully understood, implant failures will become a rare occurrence, provided that they are used properly and placed in sites for which they are indicated. The article is presented keeping in view of carrying out different studies for titanium dental implant and alloys and aims to evaluate galvanic corrosion around developed titanium dental implants

Keywords:

Dental, Implant, Titanium, Cytokine, Corrosion,

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