To provide a dental value system that has a clinical coordinator interposed between a dentist and a patient and functioning to improves satisfaction of the patient, and that provides information calculated based on a treatment policy and a treatment plan which are capable of being referred to when the clinical coordinator makes comments on the patient.

The dental value system connects via a network: a clinical coordinator server; a clinical coordinator terminal for data input; and a doctor terminal for inputting treatment item name data. The clinical coordinator server includes: a memory provided with treatment cost data including price information and treatment period information for each treatment method and repayment plan data including repayment plan information; a treatment method settled by a treatment plan formulated by the dentist; a treatment estimation preparation program for calculating estimated treatment price according to the treatment cost data and the treatment method; a repayment plan formulation program for calculating a repayment amount per installment and a period of repayment for a repayment amount settled by the estimated treatment price, according to a period of lending, the number of payment, a system of interest rate, and a method of repayment; and a central processing unit for operating the programs.