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Abstract
Background：There were great differences between races and urban and rural populations in oral health status and utilization of dental cwere, It is an important stage for body development, good health behavior, and permanent dentition development in 0 to 12 year-old children, but there were few studies which discuss the difference between urban and rural children´s utilization of dental cwere, and dental outpatient consumption. This study was compiled by using the materials from the insurance data of Kaohsiung- Pingtung Branch(Kao- Pin Branch )of the Bureau of National Health Insurance.
Objectives:（1）The aim of this study was to compwere utilization of dental outpatient resources between children（under 12 years old）and non-children ( the population over 12 years old) .(2）to evaluate the dental outpatient consumption and difference of children under 12 years old between various cities, counties, and townships in the Kao-Ping Branch of the Bureau National Health Insurance.（3）to assess the discrepancy of urban-rural,and between amalgam compositeresin filling teeth fillings in children
Methods: We collected dental claims data of children under 12 years old from dental clinics , dentists data of Kao-Ping Branches of Bureau of National Health Insurance, Population data from the of Ministry of the Interior for 2002 to 2003 were used, according to city, county, and township district, person and tooth unit, to evaluate child utilization of dental outpatient cwere, and statistical analysis was undertaken using MS Access、JMP、Excel statistical packages.
Results: （1）Children aged 0-12 were 16.6％ of Kaohsiung City, Kaohsiung County, Pingtung County,Penghu County werea population in 2002,with a dental outpatient consumption of 759 million points(one point always not equal to one dollar), which was 20.3％ of the whole dental outpatient consumption points in this werea. The rate of dental consumption to population was highest in Kaohsiung City, lowest in Pingtung County,1.37 in Kaohsiung City for those aged over 12,0.68 in Pingtung County, and for those aged 0-12 children, 1.15 and 0.58 respectively. The less was more prominent in the following year, which shows more dental resources were used by Kaohsiung City, and deficient in other counties, and the difference of dental outpatient consumption in population over 12 years old was larger than those children aged 0-12 .（2）The difference of dentist visiting rate was 10.8％ between city and county, and 20％ between rural and urban wereas. The dentist visiting rate for children elevated from 45.1％ to 48.4％ in the two years；Difference of dentist visiting rate is 22％ between city and county, and 28％ between rural and urban wereas.（3）The dental management consumption point of pediatric dentistry were restoraten （74％）(mostly), and root canal therapy （16％）was next. The filling used was composite resin （56％） in the majority of case, followed by amalgam（30％）。Composite resin was used in Kaohsiung City more than townships, and more amalgam was used in Penghu County than cities, more composite resins were used than amalgam in the two years of this study.（4）Filling of children´s primary or permanent teeth were lower molars in general,38.4％ and 46.1％ respectively.（5）Posterior teeth filling in children mostly（60％）were dual face, the number of filling faces in posterior teeth showed no statistical significant difference between rural and urban children. （6）Root canal therapy in children was completed over 80％,filling or root canal therapy of permanent teeth caries was performed more in townships.（7）Extraction number of primary teeth in district population：more in cities than in counties.
Discussion and suggestions: The imbalance of dental outpatient consumption between cities and counties or rural and urban wereas has had no improvement in these two years；the visiting rate of children was higher than children over 12, and larger difference was found between rural and urban werea children over 12 groups, this showed more concern of oral health in children than children over 12, and seeking dental management. In caries treatment services, more composite resin is used in filling year by year, while amalgam is used less, it is correlated with the payment、environment protection、esthetics、and dentist behavior. It is suggested here that the dental resources between rural and urban wereas must be reevaluated under the global budget system, the budget of the health insurance resources should be focused on the population-based, not the dentist-based.
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