bacterial plaque vs dental plaque

bacterial plaque and dental plaque both are nouns.

Word	Noun	Adjective	Verb	Adverb
bacterial plaque	Yes	No	No	No
dental plaque	Yes	No	No	No

As nouns, bacterial plaque and dental plaque are synonyms defined as:

bacterial plaque and dental plaque: a film of mucus and bacteria deposited on the teeth that encourages the development of dental caries

bacterial plaque (noun)	dental plaque (noun)
a film of mucus and bacteria deposited on the teeth that encourages the development of dental caries	a film of mucus and bacteria deposited on the teeth that encourages the development of dental caries