Dental and maxillofacial skeletal injuries seen at the University of Otago School of Dentistry, New Zealand 2000-2004.

An epidemiological study of dental and facial trauma injuries was performed on patient presentations to the University of Otago School of Dentistry during the period 2000-2004. A total of 1287 patients were seen for dental injuries with 3473 tooth injuries. The mean age was 17.

Bacterial chemoprophylaxis knowledge and practice among New Zealand dentists.

Objective: To investigate general dental practitioners' current understanding and practice of oral antibiotic prophylaxis.

Design: Cross-sectional survey of a random sample of New Zealand general dental practitioners (GDPs).

Methods: A postal questionnaire was sent to 700 GDPs (response rate 64.

Dens evaginatus: case reports and review of the literature.

Dens evaginatus is a developmental anomaly that produces a tubercle on the occlusal or palatal or lingual surfaces of teeth. The tubercle, which often contains pulp tissue, can cause occlusal interference, and pulpal pathology is a common sequel of attrition or fracture of the evagination. It affects a number of tooth types, but most commonly the premolar teeth of people of oriental ethnicity.

Aplasia of the parotid gland in Down syndrome.

Salivary gland aplasia has not to our knowledge been previously reported in association with Down syndrome. We present a case of bilateral parotid aplasia in a patient with Down syndrome. Clinically he had aplasia of the major salivary glands and symptoms of xerostomia.