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请问泰迪狗怎么看它的年龄

更新时间: 2020-10-14 00:00:00     

2个月以下:仅有乳齿,且白、细、尖锐;

2-4个月:更换门齿;

4-6个月:更换犬齿,且白、圆钝;

6-10个月:更换臼齿;

1岁:牙长齐,洁白光亮,门齿没有尖突;

2岁:下门齿尖突部分磨平;

3岁:上门齿尖突部分磨平;

4-5岁:上、下门齿开始磨损呈微斜面并发黄;

6-8岁:门齿磨露齿根、犬齿发黄磨损唇部。

关键词: 请问 怎么 年龄

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