[Latar Belakang: Eliminasi Porphyromonas gingivalis (Pg) dan Treponemadenticola (Td), dengan skeling dan penghalusan akar (SPA) meningkatkandensitas tulang alveolar. Tujuan: Analisis densitas tulang alveolar serta jumlahbakteri Pg dan Td sebelum dan sesudah SPA pada kasus periodontitis kronis.Metode: Empat puluh subjek menyetujui informed consent, dilakukanpemeriksaan klinis, radiografis densitas tulang alveolar, penghitungan jumlah Pgdan Td dengan RT-PCR. Hasil: Perbedaan bermakna jumlah bakteri Pg, Td, sertadensitas tulang antara sebelum dan sesudah SPA (p<0,05); Hubungan bermaknaantara jumlah bakteri Pg dan Td dengan densitas radiografis (p<0,05).Kesimpulan: SPA menurunkan jumlah bakteri Pg, Td, dan meningkatkandensitas radiografis tulang alveolar., Background: Elimination of Porphyromonas gingivalis (Pg) and Treponemadenticola (Td) with scaling and root planing (SRP) can increase the radiographicalveolar bone density. Objective: To analyze radiographic bone density, amountof Pg and Td before and after SRP. Methods: Fourty subjects fill the informedconsent, clinical examination, radiographic examination for bone density, count ofPg and Td using RT-PCR. Result: Significant differences between radiographicbone density, amount of Pg and Td before and after SRP. Significant associationbetween amount of Pg and Td and bone radiographic density. Conclusion:Scaling and root planing decrease the amount of Pg and Td and increaseradiographic bone density.] |