本研究利用問卷訪視，共調查1305名民眾在民國八十年七月至十二月間，使用牙 醫醫療服務的次數。結果為臺灣地區民眾平均每半年看牙0.81±2.83次，性別差異不顯 著；男性平均0.69±2.48次，女性平均0.95±3.17次；年齡差異亦不顯著，其中以10歲 以下使用次數最少(0.55±1.31次)，30-39歲年齡層使用次數最多(1.07±4.50次)。不同保 險間無顯著差異，但有保險與無保險之受訪者間看牙醫次數有顯著差異(1.03±3.62次 VS. 0.60±1.62次，P<0.05)、由於全民健保訂於民國八十四年一月一日起實施，本報告 利用不同性別、年齡之被保險人使用牙醫醫療次數不同，推估民國八十四年臺灣地區牙 醫醫療需求總數，預期較民國八十年增加26％。此外，可能影響此推估數值之其他因素 亦將加以討論。

　　　　　A total of 1305 subjects were interviewed with a structured questionnaire to study the demand for dental services from July to December, 1991. The results showed that people in Taiwan experienced an average of 0.81 ± 2.83 dental visits within a half year. Sex and age factors are not significant determinants in dental care utilization (male 0.69 visits, female 0.95 visits). The under-10 age group used dental services the least (0.55 visits) and the 30- to-39 age group used the services most frequently (1.07 visits). There was no significantly different demand among different health insurance systems. Significant differences did exist between insurees and non-insurees (1.03 visits vs. 0.60 visits). In order to predict the demand in 1995, the first year of commencing National Health Insurance, utilization of insurees of different sex and age groups was tentatively applied to the estimation. A 26% increase in total demand could be expected compared to that in 1991.