Possible Clues:

• One of eight baby teeth
• Mammalian grinder
• Moral degeneration in the mouth
• Way of working article held in hands, part of the daily grind
• Place for a dental crown
• One of a dozen in a set of 32
• Large grinder
• Molybdenum covers both hands holding a grinder
• Wisdom tooth e.g
• Roam around clutching left tooth