J Korean Acad Oral Health.  2015 Sep;39(3):201-206. 10.11149/jkaoh.2015.39.3.201.

A 7-year study of the regional distribution of differences in scaling experience rate among Koreans

  • 1Graduate School, Department of Dental Hygiene, Yonsei University, Wonju, Korea.
  • 2Graduate School, Department of Preventive Medicine, Yonsei University, Wonju, Korea.
  • 3Graduate School, Department of Health Administration, Yonsei University, Wonju, Korea.
  • 4Department of Preventive Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.
  • 5Department of Dental Hygiene, Yonsei University Wonju College of Medicine, Wonju, Korea. nami71@yonsei.ac.kr


The aim of this 7-year study was to examine regional differences in scaling experience rate.
This study used data on scaling experience rate from the Community Health Survey (CHS) obtained between 2008 and 2014. The standardized frequency of scaling experience rate was analyzed using the SPSS 20.0 program, and shown as a Box Plot. Using the Map Wizard for Excel 10.0, the scaling experience rate in each region was illustrated using Geographic Information System (GIS).
The scaling experience rate in 2008 was 18.6% and in 2014, was 34.9%. From 2008 to 2014, the annual rate of scaling experience increased approximately 1.8 times. The scaling experience appeared to form clustering on GIS, and there were differences in scaling experience rate between cities, towns, and districts. Although the scaling experience rate increased, the gap between regions seems consistent.
The Scaling Experience rate increased annually, but regional differences did not decrease. Therefore, oral health care professionals in each community should strive to improve the scaling experience rate.


Community health survey; Regional difference; Scaling experience rate
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