If you don't get regular dental check-ups, you may develop periodontitis.

My father is a dentist.

My tooth hurts.

The possibility of that plan succeeding is high.

He undergoes a health checkup periodically.

He accepted my proposal and started the project.

I take classes every day.

If you don't have regular dental check-ups, you may develop periodontitis.

Education about sex is very important.

The possibility of that plan succeeding is high.