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Virtual reality, a three-dimensional computer generated world, has been shown to relax adults during dental treatment. The purpose of this study was to investigate the effect of virtual reality on the behavior and anxiety of children during dental treatment. The behavior, anxiety and heart rate of twenty-six children, ages five to seven years were evaluated(More)
The purpose of this investigation was to compare calcium hydroxide with zinc oxide and eugenol (ZOE) as root canal obturants in the pulpectomy procedure for irreversibly inflamed primary pulps of dogs. Clinical, radiographic, and histologic comparisons of calcium hydroxide and ZOE root canal filling materials were made in forty-two primary premolars of(More)
The classical description of normal gingivae as 'coral pink' in colour is both inadequate and misleading. The intra-oral soft tissues frequently exhibit pigmentation under normal conditions, the most commonly occurring pigmentations being of racial origin. A normal gamut of pigmentation of the gingivae may be said to range from pale pink to deep bluish(More)