Ahmet Bülent KATİBOĞLU, Sami YILDIRIM, Selçuk ERKUT, R. Cem TANYEL, Nurullah KEKLİKOĞLU

A Comparative Microleakage Study of Retrograd Filling Materials

The aim of the retrograde filling in apical resection operation is to obtain an effective and hermetic apical sealing. According to the development of technology many materials are now used in apical resection operations for retrograde fillings. An in vitro dye leakage study was performed to test the sealing ability of IRM, MTA, amalgam and zinc-phospate cement materials. Forty single rooted extracted human teeth were used in this study. After cleaning and shaping, all the roots were obturated with zinc-phospate cement and gutta-percha. Teeth were randomly divided into four groups. After root-end resections of the teeth in all groups, 3 mm depth of retrorgade class I cavities were performed in 3 groups with micro-handpiece preperations. Retrofillings of each group were performed with IRM, MTA and silver amalgam. Methylene blue was used to determine the apical leakage. After sectioning the roots longitudinally linear dye penetration in denting and cement was measured with a caliper under stereomicroscope and the results were statistically analyzed.

Anahtar Kelimeler:

Retrograde filling, IRM, MTA, amalgam, zinc-phospate cement

A Comparative Microleakage Study of Retrograd Filling Materials

Keywords:

Retrograde filling, IRM, MTA, amalgam, zinc-phospate cement,

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