Parental perceptions in the importance of dental care and preferences with regard to its provision while profiling the level of dental health knowledge of parents of leukaemic children were elicited. The setting was the Paediatric Dental Care Unit located in Medical Faculty. Data were collected by means of a structured interview, employing a questionnaire. Level of knowledge on both dental facts and preventive dentistry of the participants was insufficient. Major source of dental care was the resident paediatric dentist both in prior to (78.2%) and following (100%) diagnosis. Tooth extraction (17.6%) was the only treatment provided prior to diagnosis. Following diagnosis, 60 (69%) of these children had received operative dental treatment. The source of preventive advice was inconsistent. Parents appeared to place a high level of importance on their children's dental care and the preference for this to be provided within the hospitals in which the child has been treated. There is clearly a need to establish dental care units in hospitals in which treatment of childhood malignancy is provided. The provision for the future should be the continuous education of dentists, physicians and nurses who work in hospitals and public health services.