Pneumorrhachis Secondary to Klebsiella pneumoniae Gas-Forming Paraspinal Abscess: A Case report and Review of Literature.

Pneumorrhachis is a rare entity, where air pockets are found in the spinal canal and the etiology can be categorized into traumatic and non-traumatic, the latter further categorized into spontaneous, iatrogenic, and associated with infections. Infective causes are often associated with gas-forming organisms and are associated with significant morbidity and mortality. Often the diagnosis is not suspected until imaging is done.

The teaching of posterior composites: A survey of dental schools in Oceania.

Objective: To investigate current teaching and operative techniques of posterior composite restorations in dental schools in Oceania (Australia, New Zealand, Fiji and Papua New Guinea).

Methods: A 24-item validated questionnaire including closed and open questions was mailed to the Heads of Department of Operative/Restorative Dentistry in 16 dental schools. Responses were compiled in Excel and analyzed.