The target for ratio of dental filling to dental extraction by the Ministry of Health is 1 : 1. This ratio could be used to evaluate the performance of dental services at Public Health Centers (PHC)s. Data from dental clinics in 7 (seven) PHCsin Surabaya revealed the ratio between dental filling and dental extraction was 1 : 5.9 during January to August year 2003. The objective of this study was to develop dental filling service utilization improvement efforts at PHCs in Surabaya, with reference to Oral Health Impact Profile (OHI-P). This was an observational study with a cross sectional design. It was carried out during 18th August to 18th September year 2003. There were 183 respondents selected from patients of dental clinics of the 7 (seven) Public Health Centers (PHC)s in Surabaya. Result showed there were 4 (57.1%) PHCs did not have clear and concise Standard Operating Procedures (SOP). Sixty three point three percents, 63.4% respondents said did not agree if had to visit several times for dental cares and almost all, 95.1% respondents mentioned that expenses for the dental cares was costly. There were 51.4% respondents who said that they experienced painfull at the time of dental cares for filling permanent dents. Furthermore, 98.9% respondents mentioned that caries dents had impact disturbing on chewing functions. The factors for dentist-patient interactions revealed to be 69.4% on favourable. It recommends to enhance dental filling service utilization improvement efforts for PHC.