Third-molar agenesis is common and has a genetic component, but saying that wisdom teeth are becoming “extinct” oversimplifies the evidence. Population differences, jaw development, tooth-size variation and inheritance all matter. Agenesis should also be distinguished from impaction, delayed development and previous extraction. Long-term evolutionary claims require representative population data across generations.
Read the evidence-focused overview: dentalreach.today/as-humans-evolve-wisdom-can-go-extinct
What explanation do you give patients who naturally lack one or more third molars?