Why Pinot Noir Doesn't Stain Teeth Like Other Red Wines - Tasting Table
Briefly

The choice of wine can significantly impact whether your teeth will stain, with lighter-bodied reds like pinot noir and Beaujolais being less likely to leave a mark.
For full-bodied red wine lovers, maintaining good oral hygiene by brushing frequently and using sparkling water between sips can help prevent teeth staining.
Alternating wine with cheese not only adds a delicious pairing but also creates a protective layer on your teeth, reducing the likelihood of stains.
Red wine teeth wipes or even a wet paper towel can be practical solutions for removing residue and stains after enjoying your favorite full-bodied wines.
Read at Tasting Table
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