Abstract: Objective: to investigate whether the numberoftooth loss are associated with cardiovascular disease in middle-aged and elderly patients.
摘要目的：探讨中老年患者心血管疾病与牙齿缺失的关联性。
2
Results in the patients with mild tooth agenesis, the limited changes in hard and soft tissue parameters were induced only by the numberoftooth absence.
结果在轻度牙齿先天性缺失患者中，牙齿缺失数目引起硬、软组织参数的变化是有限的。
3
Archaelogists also discovered a numberof larger land-based animals and plant fossils including the sharp tooth of an archosaur and the remains of some ancient conifer-like plants.