The First Comprehensive Dentistry Department at Kyushu Dental College Hospital, designed for training residents, has accepted about 30 residents each year since 2006. Student and resident clinical training was expanded from 2008 onwards, and clinical training has changed. Many patients are required for their study. The purpose of this study is to evaluate the activities of patients which helped to advance student and resident clinical skills. The analysis was based on data in a medical informatics system and a list of patients treated. We examined five years from April 2003 to March 2008 regarding the number of patient visits. Results showed that the total number of new patients who visited the Preliminary Examination Department was 20,610 during the same five years. Their visits showed a decreasing tendency in winter season every year. A total of 3,837 new patients visited the First Comprehensive Dentistry Department during the five years. In five years, there were no significant changes except that new patient visits showed a slight decreasing tendency during the winter season. Moreover, new patients in their sixties have shown the highest turn-up ratio while those nine years old or less showed the lowest. The male/female ratio of new patients' showed more females than males. The average over five years was 36% and 64%, respectively. The new patients' place of residence was Kitakyushu city in 80% of cases, and Fukuoka Prefecture in 95%. After 2005, disease diagnosis for new patients'chief complaint remained steady. "Teeth and Dental Pulp" constituted about 40%, "Periodontal Tissue" 30%, and "Prosthodontic" and "Oral Surgery" were about 15% each. The total number of patients who visited the First Comprehensive Dentistry Department was 58,698 during the last five years. The number of patients showed a decreasing tendency every year from 2003 until 2007. Therefore, each item remained rather stable in results for the number of patients. However, it was thought necessary to continue investigations in the near future, too.
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