送博主一杯咖啡

2012年4月16日 星期一

You can judge the age of the dog from the teeth.


The dog's age, the growth of the canine teeth, the peak of teeth and dental wear, shape, color, etc. to determine, easy to grasp, now canine teeth try described below:

A total of 42 adult dogs teeth, puppy teeth 28.

20 days ------ around the teeth

4-6 weeks long Qi ----- milk incisors. The last two months of age, the deciduous teeth all long Qi was white, thin and sharp.

2-4 months of age ---- replace the milk incisors

5-6 months of age --- to change the second three-milk incisors and milk canines

---- All put on permanent teeth after 8 months of age

1-year-old ------ permanent teeth longer homogeneous, bright white, the incisors upper tip of convex

1.5 years ------ mandibular second incisor spikes, wear and tear to the peak flush, this phenomenon is known as peak erode

2.5 years ---- mandibular second incisor peak indelible

3.5 years ---- maxillary incisors peak indelible

4.5 years ---- maxillary incisors peak indelible

5-year-old ---- mandibular third incisor peak a little wear, the wear surface of the mandibular first two incisors from the shape

6 years old ---- mandibular third-tipped indelible canine rounded

7-year-old ---- the first mandibular incisor wear to the tooth roots, the wear surface for longitudinal elliptic

8-year-old ---- mandibular incisor wear for the front of the tilt

10-year-old ---- the second mandibular and maxillary first incisor wear appear before longitudinal oval

10-16 years old --- incisor shedding canine arrhythmia