Title: Toothache. Sentence 1: Jillian's tooth hurt so bad that she couldn't sleep. Sentence 2: The next morning, she called her dentist and made an appointment. Sentence 3: At the appointment, the doctor took X-rays. Sentence 4: The X-rays showed that Jillian had a cavity.
The dentist filled her cavity and Jillian's tooth began to heal.