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Your Trusted Periodontists in Portsmouth, NH
At Seacoast Periodontics & Dental Implants, we combine over 50 years of specialized experience in periodontics and dental implant surgery to deliver exceptional oral health solutions. Our board-certified team, Drs. Amy and David Rosania, are recognized leaders in their field, consistently honored as top dentists by peers and industry organizations. We prioritize personalized treatment plans tailored to individual patient needs while maintaining a commitment to clinical excellence. Through educational initiatives and community outreach programs like our annual Helping Hands Free Tooth Extraction Day, we strive to make advanced periodontal care accessible to all.

Our practice remains at the forefront of innovation, offering cutting-edge procedures such as LANAP laser therapy and guided bone regeneration while adhering to the highest standards of patient safety and comfort. With memberships in prestigious organizations like the American Academy of Periodontology and the International Team for Implantology, we ensure our expertise aligns with global best practices.
Services
Scaling and Root Planing LANAP/LAPIP Laser Therapy Gum Grafting Dental Implants Sinus Grafting Crown Lengthening Tooth Extractions Sedation Services
Highlights and features
  • We offer 50+ years combined experience in periodontics and dental implant surgery.
  • Our team includes board-certified specialists recognized as top dentists by peers.
  • We provide innovative treatments like LANAP laser therapy and guided bone regeneration.
  • Our annual Helping Hands Free Tooth Extraction Day supports underserved patients.
  • We lecture for three professional study clubs to advance dental education.
Associations and certifications
  • American Academy of Periodontology
  • International Team for Implantology
  • International Society of Periodontal Plastic Surgeons
What people say
Exceptional expertise Professional staff Pain-free procedures Thorough explanations Positive outcomes
Services
Scaling and Root Planing
Our scaling and root planing procedure thoroughly removes plaque and tartar buildup below the gumline to treat early-stage gum disease. This non-surgical treatment smooths root surfaces, allowing gums to reattach and heal properly. Ideal for patients seeking to prevent periodontal progression while maintaining natural teeth.
LANAP/LAPIP Laser Therapy
LANAP laser therapy offers a minimally invasive alternative to traditional surgery for advanced gum disease. Using precision laser technology, we eliminate infected tissue while preserving healthy structures. LAPIP protocol specifically addresses peri-implantitis, restoring implant stability without scalpel-based intervention.
Dental Implants
We provide comprehensive dental implant solutions for missing teeth, including implant placement and restoration coordination. Our guided bone regeneration techniques ensure proper jawbone support for long-term implant success. Patients receive personalized treatment plans for single or multiple tooth replacements.
Gingival Grafting
Gingival grafting procedures restore receded gum tissue to protect tooth roots and improve aesthetics. We use autogenous tissue grafts to reinforce thin gums and prevent further recession. This treatment enhances both oral health stability and smile appearance for patients with gum sensitivity.
Crown Lengthening
Crown lengthening adjusts gum and bone levels to expose more tooth structure for restorative or cosmetic purposes. This procedure creates optimal conditions for crowns or bridges while addressing 'gummy smile' concerns. We use precise surgical techniques to achieve functional and aesthetic improvements.
People
Dr. Amy Rosania
Board-Certified Periodontist
Dr. Amy Rosania specializes in periodontics and dental implant surgery with over 25 years of clinical experience. Recognized as a top dentist by New Hampshire Magazine since 2017, she lectures for professional study clubs and co-founded the Helping Hands Free Tooth Extraction Day.
Dr. David Rosania
Board-Certified Periodontist
Dr. David Rosania brings extensive expertise in periodontal surgery and implantology, maintaining board certification since 2005. As co-founder of three dental study clubs, he actively contributes to professional education while providing advanced care for complex periodontal cases.
Questions
What periodontal services do you offer?
We provide scaling and root planing, LANAP laser therapy, gum grafting, dental implants, crown lengthening, and sinus grafting procedures.
Are your doctors board-certified?
Yes, both Drs. Amy and David Rosania maintain board certification in periodontics with over 50 combined years of experience.
Do you offer sedation options?
Yes, we provide various sedation methods to ensure patient comfort during all periodontal procedures.
What insurance do you accept?
We work with most major dental insurance providers and offer detailed billing assistance for periodontal treatments.
How can I prepare for surgery?
Pre-op instructions include medication guidelines, fasting requirements, and transportation arrangements for surgical appointments.
What post-operative care is required?
Post-op care involves dietary restrictions, medication management, and follow-up visits to monitor healing progress.