Related Clues:

• Unwritten test
• ___-B (Gillette division)
• Spoon-administered
• Unwritten
• 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
• Kind of argument