Abstract
Background: The aim of the work is to study histomorphometric and histochemical properties of jaw bone loss in patients with full or partial edentulism, need to restoring their dentition integrity by dental implantation. Patients and methods: Cytological studies were carried out in 83 patients, among which normal bone mass was observed in 28 patients (17 women and 11 men), osteopenia in 26 patients (17 women and 9 men), osteoporosis in 29 (19 women and 10 men) patients. Histological examination of bone biopsies were performed in 76 patients, among which normal bone mass was observed in 22 (16 women and 6 men , osteopenia in 26 patients (17 women and 9 men), osteoporosis in 28 (19 women and 9 men) patients. Results: Histomorphometric analysis of «implant–bone» contact in the entire length of the joint in patients with normal bone mass was 61,8±3,7%, with osteopenia was 51,6±3,0%, with osteoporosis was 46,1±2,8%. The intensity of bone remodeling in patients with normal bone mass was 2,7±0,19, in patients with osteopenia was 2,2±0,14, in patients with osteoporosis was 1,8±0,11. This demonstrates the significant difference between the patients with normal bone mass and osteoporotic patients. The «implant–bone» interface in osteoporotic patients was significantly lower than in patients with normal bone mass. Conclusion: Histomorphometric studies and quantitative histochemical analysis revealed that the decrease of bone mineral mass in patients often combined with a decrease of the «implant surface–bone» site contact area, with atrophy and with hypoplasia of perimplant tissues.
Highlights
The aim of the work is to study histomorphometric and histochemical properties of jaw bone loss in patients with full or partial edentulism, need to restoring their dentition integrity by dental implantation
Patients and methods: Cytological studies were carried out in 83 patients, among which normal bone mass was observed in 28 patients (17 women and 11 men), osteopenia in 26 patients (17 women and 9 men), osteoporosis in 29 (19 women and 10 men) patients
Histological examination of bone biopsies were performed in 76 patients, among which normal bone mass was observed in 22 (16 women and 6 men, osteopenia in 26 patients (17 women and 9 men), osteoporosis in 28 (19 women and 9 men) patients
Summary
Цель исследования: изучить гистоморфометрические и гистохимические особенности проявления снижения костной массы челюстей у пациентов с дефектами зубных рядов, нуждающихся в восстановлении их целостности методом дентальной имплантации. Пациенты и методы: цитологические исследования выполнены 83 пациентам, из них нормальная костная масса зарегистрирована у 28 (17 женщин и 11 мужчин), остеопения — у 26 (17 женщин и 9 мужчин), остеопороз — у 29 (19 женщин и 10 мужчин) человек. Гистологическое исследование костных биоптатов проведено 76 больным, из них нормальная костная масса отмечена у 22 (16 женщин и 6 мужчин), остеопения — у 26 (17 женщин и 9 мужчин), остеопороз — у 28 (19 женщин и 9 мужчин) пациентов. Результаты: гистоморфометрический анализ контакта «имплантат–кость» от всей протяженности стыка у пациентов с костной массой в норме составлял 61,8±3,7%, с остеопенией — 51,6±3,0%, с остеопорозом — 46,1±2,8%.
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