Related Clues:

• Molars and canines
• Fangs, e.g.
• Gear projections
• Molars and bicuspids
• Wisdom teeth, e.g.
• Adult humans have 12 of these
• Bleaching target
• Molars, for instance
• "The Skin of Our ___"
• Grinding aids
• Molars, e.g.
• Back teeth
• Dentist's expertise
• They may be brushed or bared
• Gears and gums have them