Latar Belakang: Kooperasi pasien merupakan faktor yang penting dalam perawatan ortodonti. Tujuan: Mengetahui gambaran tingkat kooperasi pasien ortodonti cekat di klinik spesialis ortodonti RSGMP FKG UI.Metode: Penelitian dilakukan pada 94 pasien ortodonti cekat di klinik spesialis ortodonti RSGMP FKG UI yang sudah dirawat selama paling sedikit 12 bulan. Pasien diminta mengisi kuesioner tentang tingkat kooperasi yang digambarkan melalui frekuensi kontrol rutin.Hasil: 43,6% pasien tergolong kooperatif, 43,6% pasien tergolong cukup kooperatif, 7,4% pasien tergolong tidak kooperatif, dan 5,3% pasien tergolong sangat tidak kooperatif.Kesimpulan: Sebagian besar pasien ortodonti cekat di RSGMP FKG UI tergolong kooperatif dan cukup kooperatif.

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Background: Patient's cooperation is important in determining the result of orthodontic treatment.Objective: To understand the cooperation level of patients with fixed orthodontic treatment in Postgraduate Orthodontic Clinic at RSGM-P FKG UI.Methods: A descriptive study of 94 patients with fixed orthodontic treatment treated for at least 12 months. They're asked to fill a questionnaire about cooperation predicted by frequency of miss-appointment.Results: 43.6% patients are cooperative, 43.6% patients are cooperative-enough, 7.4% patients are non-cooperative, and 5.3% patients are very non-cooperative.Conclusion: Majority of patients with fixed orthodontic treatment in Postgraduate Orthodontic Clinic at RSGM-P FKG UI are cooperative and cooperative-enough.