cat with out teeth

Question
I had a a cat dropped off on my street. I've taken it in and I looked in its mouth to see if I could guess It's age and she has no teeth.Only one front fang.Why?

Answer
Hi It is possible that this cat lost her teeth due to gingivitis in her mouth which damaged the gums so bad that her teeth fell out.. or she could have had them extracted because they were infected from old age or poor nutrition causing weak teeth... or she could have lost them in an accident such as being hit by a car. If only they could talk. :)
Teresa