Suction uppers exist. Alberta Dentures relined mine with a soft base and added a subtle ridge seal—no glue for 10 months. They test suction right in the chair. Upper denture specifics:
https://albertadentures.com/service/upper-dentures I went from dreading wind to singing in the car. They also shaved weight off the palate so flavors pop. Adjustment included, no extra fee. If it ever loosens, pop in for a free tweak. Life without sticky paste is freedom.