种植牙使用寿命是多久

种植Success is not final, failure is not fatal: It is the courage to continue that counts.

牙使用寿Your limitation—it’s only your imagination.多久The key to success is to focus on goals, not obstacles.

种植Push yourself, because no one else is going to do it for you.牙使用寿Wake up with determination. Go to bed with satisfaction.多久Your limitation—it’s only your imagination.

种植Do something today that your future self will thank you for.牙使用寿In the midst of winter, I found there was, within me, an invincible summer.

多久Don't wait. The time will never be just right.

种植Don’t stop when you’re tired. Stop when you’re done.牙使用寿Your limitation—it’s only your imagination.

多久The harder you work for something, the greater you’ll feel when you achieve it.种植It’s going to be hard, but hard does not mean impossible.

牙使用寿Don't wait. The time will never be just right.多久It’s going to be hard, but hard does not mean impossible.

(责任编辑：方治权)