ISSN: 0970-938X (Print) | 0976-1683 (Electronic)

Biomedical Research

An International Journal of Medical Sciences


A study on the dental unit chair waterline control status and management method

This study was to investigate a dental unit chair waterline control status and management method. A survey was conducted among 311 persons who were employed in dental and medical institutions in Busan, Korea from March 16 to April 15, 2012. Statistical analysis was performed using SPSS 18.0 version. Micro culture was implemented 10 dental unit chair randomly. For testing, dental unit waterline flushing from a regular chair was completed at once, for 1 minute, 3 minutes, and 5 minutes. Another flushing was completed dental unit chair equipped with plasma sterilization system. In terms of waterline control behaviors, 23.5% dental hygienist do regular microbiological test. The most significant reason for not performing regular microbiological testing was ‘Others’. The microbial culture result of dental unit chair waterline was shown by flushing time. The number of microorganisms in the 5 minute flushing was significantly reduced. The flushing with plasma device was not detected at all. Thus, the longer the waterline flushing time is, the higher the management effect is. The best way is to use effect equipment. Finally, realistic control training to enhance the dental hygienist’s control ability must be required.

Author(s): Jung-Ok Choi, Seoul-Hee Nam
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