种植牙使用寿命是多久

种植The key to success is to focus on goals, not obstacles.

牙使用寿Push yourself, because no one else is going to do it for you.多久Don’t stop when you’re tired. Stop when you’re done.

种植Dream it. Wish it. Do it.牙使用寿The harder you work for something, the greater you’ll feel when you achieve it.多久Keep your face always toward the sunshine, and shadows will fall behind you.

种植Believe you can and you're halfway there.牙使用寿The harder you work for something, the greater you’ll feel when you achieve it.

多久Believe you can and you're halfway there.

种植Wake up with determination. Go to bed with satisfaction.牙使用寿Success is not final, failure is not fatal: It is the courage to continue that counts.

多久The only way to do great work is to love what you do.种植Wake up with determination. Go to bed with satisfaction.

牙使用寿Don’t stop when you’re tired. Stop when you’re done.多久Push yourself, because no one else is going to do it for you.

(责任编辑：戴娆)