Abstract
In recent years there have been a number of reviews and guidelines published with respect to the diagnosis and management of caries in children. Bitewing radiography remains the recommended method of choice for caries diagnosis in most circumstances. The aims of the study were to investigate the usage of bitewing radiography by general dental practitioners (GDPs) in Greater Glasgow, for the diagnosis of caries in children and to assess the usefulness of the technique as perceived by these dental practitioners. A questionnaire for self completion was sent to all GDPs with an NHS list number in the Greater Glasgow area. An 80% response rate was obtained with 303 GDPs responding. Less than half the dentists (44%) indicated that they always carried out caries risk assessments for all children, but 71% reported doing this for 6 and 7-year-old children. Approximately 60% of dentists stated they had read the recent radiation and caries management guidelines. Only 72% stated that they used radiography as a caries diagnostic tool in children, with 12 GDPs (4%) indicating they would never consider using bitewing radiography in children. Only 17% would consider taking bitewing radiographs in children under 6 years, and the majority of dentists (61%) reported that they would first consider taking radiographs in the 6-11-year-old age group. However, only a low proportion of children in this age band had dental x-rays taken. Bitewing radiography was considered to be more important for 12-year-olds than for 6-year-olds. Recommended methods for decreasing radiation exposure such as rectangular collimation and film holders were not being used universally, with 41% and 58% respectively using these devices. A significant proportion of dentists in Greater Glasgow are not complying with recent guidelines and recommendations and it would appear that the value of bitewing radiography as a diagnostic tool in children is not being fully exploited.
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