• 185 Cottage St, Suite 2, Portsmouth, NH 03801

Seacoast Periodontics & Dental ImplantsA caring father/daughter team committed to clinical excellence and personalized treatment.

As periodontists, we specialize in treating gum disease with conventional and laser periodontal therapy as well as dental implant placement, gum grafting and crown lengthening. We offer all levels of sedation to improve your experience and we are passionate about meeting your goals in a comfortable environment. Every patient is unique and we strive to create comprehensive treatment plans tailored to you. We look forward to meeting with you and working closely with your referring dentist to provide you with cutting-edge, patient-centered care.

Meet Our Doctors

Drs. Amy and David Rosania combine 30 years’ experience and training in the newest techniques in a caring father/daughter periodontal and implant practice. We ourselves have been patients of many doctors and surgeons over the years. Our experiences have convinced us that proper planning and understanding of treatment before making a final decision and proceeding is crucial. We intend to meet your needs and expectations, and to avoid surprises.

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Drs. Amy and David Rosania were both included on the National Consumer Advisory Board’s list of America’s Best Dentists for 2017-2019.

They were also voted onto New Hampshire Magazine's list of New Hampshire's Best Dentists by their dental colleagues from 2017 to 2019.

Our Services

Our primary goal is to save teeth whenever possible. We provide scaling and root planing, laser and traditional periodontal therapy, crown lengthening, gingival (gum) grafting, and bone grafting. We perform tooth extractions when necessary and place dental implants and utilize bone grafts and sinus lifts as needed. We offer oral and IV sedation for anxious patients.

Our Testimonials

  • "Would be happy to recommend you. Fantastic service by everyone in your office...."

    - Bob F.

  • "Amazing. Super nice, super helpful, and super competent. I wouldn't go anywhere else."

    - Marc S.

  • "I would recommend your practice to anyone I know. Very impressed with Dr Rosania!"

    - Joan C.

For Our Patients

The critical components of successful periodontal or implant therapy are a comprehensive diagnosis and an honest assessment of your individual goals. Before starting treatment you should know what to expect during and after treatment. Please click below to learn about your consultation appointment and to read our pre-op and post-op instructions.

Our Technology

Our practice incorporates advanced technology to achieve the most precise and effective treatment. We offer cone beam 3D imaging, digital radiography, laser treatment, microsurgery and piezosurgery. These approaches have been validated by rigorous clinical research. But our technology never substitutes for a close interpersonal relationship with you.

Cone Beam CT Scan

Cone Beam CT Scan

Cone Beam technology provides a digital tomographic 3D view of the patient’s area of interest. A traditional x-ray is only... Learn More

Implant Planning Software

Implant Planning Software

This innovative new technology will allow your doctor to perform virtual implant surgery before he/she ever touches the patient’s mouth... Learn More

Digital Radiography

Digital Radiography

Digital x-rays reduce the amount of radiation needed as compared to film x-rays. The improved diagnostic capability of digital x-rays... Learn More

Microsurgical Instruments

Microsurgical Instruments

Microsurgical instruments have smaller working tips than conventional instruments and are utilized for minimally-invasive procedures... Learn More

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Contact Us

Contact Us