General Nouns:
* Toothpaste (the most common)
* Dental cream
* Dental hygiene product
* Oral care product
* Fluoride treatment
* Whitening agent (if it's specifically designed for whitening)
Nouns Describing Texture:
* Gel
* Paste
* Cream
* Foam (if it's foaming toothpaste)
Nouns Describing Flavor/Scent:
* Mint
* Cinnamon
* Citrus
* Flavor
* Scent
Nouns Describing Function:
* Whitener
* Anti-cavity
* Sensitive teeth relief
* Breath freshener
* Gum care
More Creative/Descriptive Nouns:
* Minty freshness
* Smile brightener
* Dental elixir
* Tooth polish
* Oral hygiene companion
The specific nouns you choose will depend on the context of your writing or speech.