Dr. Rocio Martinez, Dentist Aurora IL speaks about dentures retained with adhesive creams. Zinc in denture creams has been linked to nerve damage in scientific studies. Patients say they can't eat can't chew or develop sores. Dr. Rocio Martinez says if your dentures are loose or uncomfortable they can be relined. For a more permanent fix Dr. Rocio Martinez suggest implant dentures which provide the comfort fit and bite of dentures and the stability of dental implants.br Dr.