The biggest stress under the concentrated oblique loading was 3-times than that under the concentrated vertical loading;The larger of the pontic length was the bigger of the stress.

• 长桥体固定桥在集中斜向载荷作用下种植体颈缘骨最大应力是集中垂直载荷下种植体周骨最大应力的3倍，桥体长度增加，应力值增加。