Your concern is understandable, but after completing two years of Tymlos, most osteoporosis specialists recommend following it with an antiresorptive medication to preserve the bone gains, and since you previously tolerated Prolia well and cannot take Evenity or Fosamax, your endocrinologist's recommendation is a common one; while the risk of jaw osteonecrosis is real, it remains quite rare at osteoporosis doses, and many people with dental issues successfully use these medications by working closely with both their endocrinologist and dentist to address major dental work before starting treatment and maintaining careful dental monitoring afterward.