Related Clues:

• Unwritten
• Curling tool
• See 34-Down
• Dental school exam?
• Final, perhaps
• Like gentlemen's agreements
• Type of surgeon
• Word with history or hygiene
• Type of thermometer
• Type of hygiene
• Type of dental-school exam?
• Word-of-mouth
• Like some contracts
• Resolve (with ''out'')
• See 21-Down