Related Clues:

• Dentist's directive
• Dentist's request
• Request from the dentist
• More broad
• More expansive
• More vast
• More extensive
• Dentist's instruction, sometimes
• Dentist's request, perhaps
• Safer, as a road
• Farther astray
• More spacious, in a way
• Like modern roads, vis-à-vis older ones
• Hygienist's request
• Broader