Correct spelling, explanation: both dental and dentist are correct words, but they have different meanings and usage. Dental is an adjective that relates to teeth and oral health. It is used to describe things that are related to or associated with teeth. Dentist is a noun that refers to a licensed healthcare professional who specializes in the diagnosis, treatment, and prevention of conditions and diseases related to the teeth and oral cavity. Both words are commonly used in the appropriate contexts.

Definition of dental:
adjective, relating to the teeth
Regular dental check-ups are essential for maintaining healthy teeth and preventing oral health issues.
The clinic offers a range of dental services, including cleanings, fillings, and cosmetic procedures to enhance smiles.

Collocations with dental:
Some most commonly used collocations include:
1. Dental hygiene: the practice of maintaining oral health through proper brushing, flossing, and regular check-ups.
Good dental hygiene involves brushing your teeth twice a day and flossing regularly.
2. Dental care: the overall management of oral health, including preventive measures and treatments.
Access to quality dental care is crucial for maintaining healthy teeth and gums.
3. Dental clinic: a facility where dental professionals provide various oral health services.
The new dental clinic in town offers modern facilities and a team of experienced dentists.
4. Dental exam: a thorough assessment of a patient’s oral health conducted by a dentist.
She scheduled a dental exam to check for cavities and ensure her oral health was in good condition.

Correct spelling, explanation: the definitions of the words dentist and dental are different, although they are related to the field of oral health. The word dentist comes from the Latin word dens, which means tooth. In Latin, the word dentista referred to a person who was skilled in working with teeth. This term was later adopted into Old French as dentiste. The English word dentist was borrowed from French and entered the English language around the 18th century. Always remember that dentist is a noun and dental is an adjective, so each of these words has a different function in a sentence.