Technique of induction of ethyl-chloride anaesthesia for dentistry in children, Medrex in dentistry and Minor operations with Medrex.

Three complete titles compiled onto a videocassette. The first title demonstrates how children can be treated without restraint and induced gently with ethyl-chloride (this title has been digitised). The third title has silent colour footage with no intertitles demonstrating the application of Marrett's 'Medrex' circuit used in anaesthesia. Middle-aged female patient undergoes unspecified gynaecological investigation (this title has been transferredf from another format).