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Sutiman B. Sumitro
Brawijaya University
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Journal : Universa Medicina

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Assessment of microarchitecture and crystal structure of hydroxyapatite in osteoporosis Noor, Zairin; Sumitro, Sutiman B; Hidayat, Mohammad; Rahim, Agus Hadian; Taufiq, Ahmad
Universa Medicina Vol 30, No 1 (2011)
Publisher : Faculty of Medicine, Trisakti University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2011.v30.29-35

Abstract

Osteoporosis is characterized by lower bone mineral density (BMD) and microarchitectural degeneration, which tends to increase bone fragility and fracture risk. Bone microstructure depends on interactions between the mineral atoms, which may perform substitution or incorporation into bone crystals, and may dynamically take over the function of calcium or may become a complementary part. The mineral atoms may also become a composite in the hydroxyapatite crystals. The aim of this study was to find an association between the bone microstructure and hydoxyapatite crystal structure in osteoporosis, in comparison to normal bone. The subjects of this study were surgery patients at the Department of Orthopedics of Ulin General Hospital in Banjarmasin and other centers. Inclusion criteria consisted of the presence of fracture of trabecular bone, normal or osteoporotic BMD values, and no past history of chronic disease. Bone was obtained from fracture patients during surgery. The characteristics of the hydroxyapatite crystals were analyzed by X-ray diffraction (XRD) and the microarchitecture by scanning electron microscopy (SEM). SEM showed degeneration of the microarchitecture of osteoporotic bone, in comparison with normal bone. On XRD there was a peak of hydoxyapatite crystals only and no other crystal phases. Diffraction patterns showed a larger crystal size in osteoporotic bone as compared to normal bone, indicating higher porosity. It may be concluded that there is a difference in crystal size and morphologic distribution of hydoxyapatite in osteoporotic bone, determining bone microarchitecture.
Co-Authors a, Aulanni'am A, Aulanniam A.A. Ketut Agung Cahyawan W Abda Abda Agus Hadian Rahim Ahmad Lubab, Ahmad Ahmad Taufiq Amiruddin A Amiruddin Amiruddin Anis Artiyani Aristyani, Sherry Arman Sayuti Arman Sayuti Asri Pudjirahaju Atok Miftachul Hudha Aulanni'am Aulanni'am, Aulanni'am Aulanni'am, Aulanni'am Basuki B. Purnomo Basuki B. Purnomo Bayyinatul Muchtaromah Chomsa Dintasari Umi Baszary Dina Maulina Djoa, Dominikus Djago Djoko W. Soeatmadji Djoko, Dionysius Joseph Dody Novrial, Dody Dorta Simamora Dwinna Aliza Dwinna Aliza Edi Widjajanto Erdiansyah Rahmi Erdiansyah Rahmi Fatchiyah Fatah Fatchur Rohman Gatot Ciptadi Hernowo, Aditya Tri Hutasoit, Hostalige Ibrohim Ibrohim Ignatius Riwanto, Ignatius Indrajani, Olly Iwan Iwan Iwan Lalu A. Zaenuri Lestari, Sri Rarayu Listijani Suhargo, Listijani Loeki Enggar Fitri M. Aris A. Widodo M. Aris Widodo M. Aris Widodo M. Irsyad Nur Maic Audo Lin Sihombing Maris Kurniawati Moch Sasmito Djati Mohammad Aris Mohammad Hidayat Muhammad Aris Widodo Muhammad Hambal Muhammad Hambal Mulyadi Adam Mulyadi Adam, Mulyadi Muslim Akmal Muslim Akmal Nashi Widodo Nur Hidayat Nurul Jadid Mubarokati Radita Intan Aisyah Pratiwi Rifa'i, Muhaimin Rustidja , SIMON BAMBANG WIDJANARKO Sitorus, Mido Ester Soemarno Soemarno Soetomo Soewarto Sri Rahayu Lestari Sri Wahjuningsih Sri Widyarti Suhartojo Hardjopranjoto, Suhartojo Swandari Paramita Syafruddin S Syafruddin s T. Armansyah T. Armansyah Tongku Nizwan Siregar Warsito Warsito Wibi Riawan Wuragil, Dyah Kinasih Zahrah, Natasya Adiba Zairin Noor