Here are the correct matches for the sentences:
- A(n) healthcare industry cares for the sick.
- A(n) physician in the healthcare industry diagnoses diseases and recommends treatment plans.
- A(n) dentist fills patients' cavities.
- A(n) registered nurse administers injections and sutures wounds.
- A(n) dental assistant takes impressions of patients' teeth.
- A(n) physician’s assistant informs patients and families about topics surrounding their illnesses.
(Note: The match for the last sentence seems to be incorrect in the provided options. A physician's assistant typically helps in diagnosis and treatment but may not primarily inform patients and families about their illnesses. Adjustments can be made based on the correct context.)