Unlike humans, most animals—especially  those living in the wild—don't eat cooked  

與人類不同，大多數動物，尤其是生活在野外的動物，不吃煮熟的

food. This provides their teeth  with protection from tooth decay  

食物。這可以保護他們的牙齒免受蛀牙，

because they aren't eating foods  that are heavy on refined sugar.

因為他們不吃富含精製糖的食物。

2.Microbacterial Flora

2.微生物菌

Animals' mouths, like humans', are  filled with both good and bad bacteria.

叢動物的口腔和人類的口腔一樣，充滿了好菌和壞菌。

Streptococcus mutans, which thrive in high  sugar environment, is the primary cavity-causing  

變形鏈球菌在高糖環境中大量繁殖，是

bacterium in humans and animals. Animals  never ingest a lot of sticky carbohydrates,  

人類和動物中主要的蛀牙細菌。動物從不攝取大量黏性碳水化合物，

thus their mouths are never swamped with  this kind of bacterium. As a result,  

因此它們的嘴裡永遠不會被這種細菌淹沒。因此，

there are less tooth decay for non-human animals.

非人類動物的蛀牙現象較少。

3. Life Span

3.壽命

Most of the animals that have teeth have far  shorter life spans than humans. So they simply  

大多數有牙齒的動物的壽命比人類短得多。所以他們

just didn't get a chance to get tooth decay  before they die. And if you are wild animal,  

在死前根本就沒有機會蛀牙。如果你是野生動物，

you probably will die very soon  after you get tooth decay since  

你可能會在蛀牙後很快就會死亡，因為

you won't be able to chew and  digest the nutrition you need.

你無法咀嚼和消化所需的營養。