North Penn Periodontal Associates provides the highest level of dental care available. Dr. Lawrence M. Butler and Dr. Howard B. Gross are your Dental Care Specialists for General Dentistry, Cosmetic & Restorative, Laser Dentistry, Root Canal Therapy, Crown & Bridge, Dentures, Digital X-rays, Nitrous Oxide, Implants, Veneers, Whitening and Periodontal Therapy. Most Insurance Plans Accepted, No Insurance? No Problem! Join Our Smile Savings Program and SAVE with our In House Discount Plan!