Conclusion: Old age, low income, low education level, smoking, and alcohol abuse were significant predictors of wearing completedentures.
结论：老龄化、低收入、低教育程度、吸咽、嗜酒和行总义齿修复显著相关。
2
Objective: To study the stress states of the completedentures supported by implants with varied neck diameter.
目的：研究种植体颈狭部直径变化对种植全口义齿及其支持组织应力状况的影响。
3
Methods Examining the phenomenon of unstability which appear at the process of patients attempt and use the completedentures, and searching the way to improve the retention.