Overall equipment effectivenes (Oee) to determine the effectiveness of dental chair unit in mother and child hospital at surabaya

Investing in a Dental Chair Unit is an investment that requires a large amount of funds for the hospital, therefore the utilization of a Dental Chair Unit tool is a concern for hospitals. The importance of Dental Chair Unit utilization leads hospital to calculate the effectiveness of Dental Chair Unit devices using the Overall Effectiveness Equipment (OEE) method. OEE measures the effectiveness of the tool based on the availability ratio, performance ratio and quality ratio. The aimed of this study was to analyze the effectiveness of Dental Chair Unit in Mother and Child Hospital using the OEE method. This research was conducted at the dental clinic of Mother and Child Hospital on February 2019. This study was a descriptive study that was to calculate the OEE from a Dental Chair Unit then analyze the causes of the effectiveness of the tools obtained. The results of the calculation of OEE Dental Chair Unit device in aMother and Child Hospital at Surabaya are 18,7%, far below the standard of 85%. The cause of the low OEE value is the low value of the Performance ratio that is far below the standard 85%. The low performance ratio of Dental Chair Unit tools in mother and child hospital is caused by the small number of patients who come to the dental clinic, so a little also uses the Dental Chair Unit. It is because of the competition with general hospital that surround this hospital. Another factor that cause of low OEE ratio is patient’s didn’t know the importance of dental health for mother and children.