Helicopter mishap attributed to single seizure.

A case report is presented of a 36-year-old U.S. Coast Guard aviator who had a single seizure while operating a helicopter on the ground.

Indirect pulp capping: a survey.

This study addresses the acceptance of the clinical practice of indirect pulp capping. State and regional dental boards and postgraduate dental education programs throughout the United States were surveyed. Results indicate that no clear consensus exists for the acceptance of this clinical procedure.

Evaluation of the ability of essential oils to dissolve gutta-percha.

Eighteen essential oils were compared with chloroform for their ability to dissolve gutta-percha. Only chloroform and rectified turpentine oil dissolved gutta-percha completely.

The effect of essential oil type on the setting time of Grossman's sealer and Roth root canal cement.

Setting times were determined for mixtures consisting of the powder components of Grossman's sealer or Roth root canal cement with either eugenol, oil of pimento or oil of Melaleuca. The powder component of Grossman's sealer, when mixed with eugenol or oil of pimento, had a significantly shorter setting time than did the powder component of Grossman's sealer mixed with oil of Melaleuca or Roth root canal cement mixed with eugenol, oil of pimento, or oil of Melaleuca.