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ORTODONTİK ARK TELLERİNİN FARKLI pH SEVİYELERİNDE İYON SALINIMLARININ İN-VİTRO OLARAK DEĞERLENDİRİLMESİ

IN VITRO EVALUATION OF ION RELEASE FROM ORTHODONTIC ARCH WIRES IN VARIOUS pH LEVELS

Journal Name:

  • Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi

Publication Year:

  • 2005

Key Words:

Keywords (Original Language):

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
The purpose of the present study is to evaluate the releases of Ni, Cr and Co ions from various arch wire s used in fixed orthodontic treatments at various pH levels by means of atomic absorption spectropho-tometer. NiTi, stainless steel, multistranded stainless steel and TMA arch wires of 3 cm length ligated to a lower right first molar band and a premolar bracket were kept in artificial saliva prepared at 4, 5.5, 7 pH levels under similar conditions for 30th 60th and 90th days. At 30th, 60th and 90th days, the samples taken from artificial saliva were evaluated with the atomic absorp¬tion spectrophotometer. The data obtained were com¬pared by means of variance analysis and multi com¬parison analysis. The results of the study showed that the highest level of ion release was at pH 4 level and lowest with¬in the third month, however it was continuing. Ni ions were found out to be released into saliva to the largest extent, whereas Cr ions were the lowest.
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Abstract (Original Language): 
Bu çalışmanın amacı, sabit ortodontik tedavilerde kullanılan ark tellerinde bulunan Ni, Cr ve Co elementlerinin farklı pH ortamlarındaki iyon salınım-larının atomik absorbsiyon spektrofotometre ile değer¬lendirilmesidir. Çalışmada 3 cm uzunluğunda NiTi, paslanmaz çelik, çok sarımlı paslanmaz çelik ve TMA ark telleri, alt sağ l.molar bandı ve premolar braketine ligatüre edilerek benzer şartlar altında 4, 5.5 ve 7'lik pH' larda hazırlanan yapay tükürük içinde bekletilmiştir. 30. 60. ve 90. günlerde alınan yapay tükürük örnekleri atomik absorpsiyon spektrofotometre cihazında değer¬lendirilmiştir. Elde edilen veriler varyans ve çoklu karşılaştırma analizleriyle karşılaştırılmıştır. Çalışmanın sonuçları, ark tellerinden en fazla iyon salınımının pH 4 seviyesinde olduğunu, iyon salınımının hızının üçüncü ayda en düşük düzeyde olduğu fakat salınımın devam ettiğini göstermiştir. Ni iyonları en fazla salınımı gösterirken en az salınım Cr elementinden olmuştur.
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  • 2
11-20
  • Turkish

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