For cabin crew, dental health and aesthetics are significant because crew members serve as the "face" of the airline. Most airlines require cabin crew to have "neat and healthy" teeth, meaning visible decay, large gaps, or missing front teeth can be grounds for rejection during the medical or grooming assessment. Minor crowding or natural gaps are often acceptable, and modern solutions like veneers, crowns, and bridges are generally permitted to achieve a professional look. However, removable dentures are sometimes restricted for safety reasons during emergency procedures. Additionally, since cabin crew work in pressurized environments, untreated cavities can cause severe pain due to trapped air expanding (aerodontalgia), which can compromise a crew member's ability to perform safety duties. Therefore, while having perfect teeth isn't a legal requirement, maintaining good oral hygiene and a "captivating smile" is a high-fidelity standard for international carriers like Emirates, Qatar, and Delta in 2026.