Aerospace Dentistry: Challenges, Innovations, and a Practical Guide for Space-Based Oral Healthcare

Area of Science:

• Aerospace Medicine
• Oral Biology
• Biotechnology

Background:

• Prolonged spaceflight poses unique physiological challenges for astronauts.
• The space environment (microgravity, radiation) increases the risk of oral diseases.
• Astronaut oral health is vital for mission success and crew well-being.

Purpose of the Study:

• To review the impacts of space travel on the orofacial complex.
• To examine technological advancements in aerospace dentistry.
• To identify strategies for mitigating oral health risks in space.

Main Methods:

• Narrative review of current scientific literature.
• Synthesis of research on spaceflight-induced physiological changes.
• Analysis of emerging dental technologies for space applications.

Main Results:

• Spaceflight alters salivary composition and promotes microbial dysbiosis.
• Jaw bone density loss and increased susceptibility to dental caries and periodontal disease observed.
• Innovative countermeasures include tele-dentistry, AI diagnostics, and 3D fabrication.

Conclusions:

• Spaceflight significantly impacts astronaut oral health, necessitating advanced dental solutions.
• Emerging technologies promise to enhance in-flight dental care and monitoring.
• Prioritizing aerospace dentistry is essential for future deep space exploration.