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Removal of root canal filling materials using Er:YAG laser irradiation
Er:YAG laser Root canal retreatment Root canal filling material
2010/11/26
The purpose of this study was to examine the ability of Er:YAG laser to remove root canal filling materials. The root canals of 21 extracted human anterior teeth were enlarged, and then obturated with...
Evaluation of fibronectin,type I collagen and TGF-ß expression by human periodontal ligament fibroblasts exposed to root end filling materials
Evaluation fibronectin type collagen TGF-ß expression human periodontal ligament fibroblasts filling materials
2009/12/7
Background and Aim: Several materials have been introduced for retrograde fillings, pulp capping and sealing root perforations, but their biological effect on vital tissues and cells is not clear. The...
Sealing ability of MTA,Super EBA,Vitremer and amalgam as root-end filling materials
Dental leakage Glass ionomer cements Zinc oxide-eugenol cement
2009/10/20
This study evaluated the root-end sealing ability of mineral trioxide aggregate (MTA Angelus), reinforced zinc oxide-eugenol cement (Super EBA), resin-modified glass ionomer (Vitremer) and zinc-free a...
Sealing Ability of New Adhesive Root Canal Filling Materials Measured by New Dye Penetration Method
Leakage Sealer Spectrophotometer
2009/9/14
The sealing ability of new adhesive root canal filling materials was evaluated using a new dye penetration method. Twenty-eight single-rooted mandibular premolars were randomly divided into four group...
Removal of Resin-based Root Canal Filling Materials with K3 Rotary Instruments: Relative Efficacy for Different Combinations of Filling Materials
Resin-based root canal filling material Ni-Ti rotary instrumentation Root canal retreatment
2009/9/11
Removal of resin-based root canal filling materials may cause serious problems during root canal retreatment. This study compared the working time and amount of canal enlargement when different resin-...
A Comparative Microleakage Study of Retrograd Filling Materials
Retrograde filling IRM MTA amalgam zinc-phospate cement
2009/6/22
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 apica...