Advanced Periodontist in Berwyn and Westmont, IL If you are looking for an experienced periodontist in Berwyn, IL who offers laser dentistry services, dental implants, and gum grafting surgery, set up your consultation with Dr. Timothy Walsh at Walsh Periodontics today! Dr. Walsh has been serving patients for more than three decades and offers advanced treatments and services for patients seeking periodontal therapy, tooth replacement procedures, and certain types of cosmetic dental procedures. When you become a patient of our practice, you can be confident that you will receive only the highest level of care from an experienced team of professionals. Dr.