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AIM To compare the changes in microhardness of root dentin caused by two novel irrigation regimens with conventional irrigation. MATERIALS AND METHODS Forty extracted human permanent incisor teeth were selected. Decoronated roots were separated longitudinally to get 80 specimens that were embedded in autopolymerizing acrylic resin and grounded flat with(More)
Peripherally inserted central catheters (PICCs) are widely used in the management of cystic fibrosis (CF) in children and adults. The authors present a collection of eight case reports of patients with CF in whom removal of PICCs was difficult, including two PICCs that required surgical removal. The cases were observed in a regional pediatric CF unit in the(More)
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