They gave him a 'plaque' in honor of his 30 years of service.
The scientists are studying the way the 'plaques' form.
Brushing your teeth prevents the buildup of 'plaque'.
(..) touch you! Don't let it touch you! I don't know, but it's been said I love scaring kids in bed! Come on, fight that plaque! Fight that plaque! Scary monsters don't have plaque! ... do you have ? Do I see ? (..)2001 Monsters, Inc.