Related Clues:

• Extra, for one
• Gnaw toothlessly
• Adhesive
• Tooth support
• Word with chewing or bubble
• Extra, e.g.
• Sticky substance
• Mucilage
• Bazooka, e.g.
• Unpleasant thing to step on
• Postprandial handout
• Tin contents
• Doublemint, e.g.
• See 108-Across
• After-dinner sweets