狗长牙的顺序图解 狗狗长牙是几个月

幼犬在20天时开始长牙

4-6周牙齿全部长齐

8个月时所有牙齿替换为恒齿


1.5岁是出现门牙磨平

2.5岁开始全部牙齿开始被磨平

4.5岁开始门牙逐渐被磨灭



10岁后逐渐出现掉牙的情况

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