Endodontide Blue-wire ve Gold-wire Teknolojisi ile Üretilen Yeni Nesil Nikel Titanyum Eğeler

Yıl 2022, Cilt: 4 Sayı: 1, 30 - 37, 29.04.2022

Ali Türkyılmaz , Erhan Mert Çetin

Öz

Kök kanal tedavisinin başarısı, birçok değişkenle ilişkili olmakla beraber en önemli unsurlarından biri kök kanalının genişletilme işlemidir. Yumuşak dokuların, nekrotik pulpal artıkların ve bakteri toksinlerinin kök kanalın içinden tamamen uzaklaştırılması için günümüzde nikel titanyum (NiTi) alaşımdan üretilen kanal aletleri sıklıkla kullanılmaktadır. NiTi eğelerin süperelastik ve şekil hafızası özelliği sayesinde kök kanal anatomisine zarar vermeden uygun şekillendirme yapılması mümkündür. Son yıllarda NiTi endodontik aletlerin mekanik özelliklerini iyileştirmek için metalürjik üretim aşamasında; yüzey bitirme teknikleri ve termomekanik işlemler ile dayanıklılıklarının artırılması için çalışılmaktadır. NiTi alaşımlarda kullanılan iyileştirme teknikleri gelişim süreci; Elektropolishing, M-wire, R-faz, CM wire, Blue wire-Gold wire, EDM (Elektriksel Discharge Machining) ve Max wire olarak sıralanabilir. NiTi endodontik eğelerin yorulma direnci, NiTi alaşımların geçiş sıcaklıklarının ayarlanması ve mikroyapı fazlarının oranları ve özelliklerinin değiştirilmesi ile düzenlenmektedir. Bu derlemede termomekanik yüzey işlemlerine tabi tutulan Blue wire ve Gold wire NiTi alaşımdan üretilmiş döner eğelerin özellikleri üzerinde durulmuş, avantaj ve dezavantajları göz önüne alınarak incelenmiştir.

Anahtar Kelimeler

Blue wire, Gold wire, Nikel-titanyum

New Generation Nickel Titanium Instruments Produced with Blue-wire and Gold-wire Technology in Endodontics

Öz

Although the success of root canal treatment is related to many variables, one of the most important elements is the enlargement of the root canal. Today, canal instruments made of nickel titanium (NiTi) alloy are frequently used for the complete removal of soft tissues, necrotic pulpal residues and bacterial toxins from the root canal. Thanks to the superelastic and shape memory feature of NiTi files, proper shaping is possible without damaging the root canal anatomy. In recent years, in the metallurgical production stage to improve the mechanical properties of NiTi endodontic instruments; Surface finishing techniques and thermomechanical processes are used to increase their durability. The improvement techniques used in NiTi alloys in the development process can be listed as electropolishing, M-wire, R-phase, CM wire, Blue wire-Gold wire, EDM (Electrical Discharge Machining) and Max wire. The fatigue resistance of NiTi endodontic files is regulated by adjusting the transition temperatures of NiTi alloys and changing the ratios and properties of the microstructure phases. In this review, the properties of rotary files made of Blue wire and Gold wire NiTi alloy, which are subjected to thermomechanical surface treatments, are emphasized and examined by considering their advantages and disadvantages.

Anahtar Kelimeler

Blue wire, Gold wire, Nikel-titanyum

Kaynakça

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