Portsmouth NH Dentist office building
Achieve a Healthy, Beautiful Smile

Enjoy a renewed smile and confidence with your Portsmouth, NH dentist.

Same-day Dentistry
Accessible Hours
Financing Options

Excellence Through Dentistry

Providing positive, expert care in comfortable and relaxing surroundings.

Portsmouth NH dentist working diligently to demonstrate his dedication so you can feel at ease when you visit.
Feel At Ease

As your chosen Newington and Portsmouth, NH dentist, we look out for your family’s health and wellbeing. What’s more is we care about how you feel during your appointment too, which is why we get to know you and strive to provide a positive experience.

Dental team member on the phone with a patient at this Portsmouth NH dentist office to demonstrate convenient hours and scheduling options
Enjoy Convenience

Your experience is paramount to us, whether you're booking your appointment or sitting in the dentist chair. This is the primary reason Dr. Liu and Dr. Harrison equip our office with modern technology, accessible hours, and a range of financing options.

Dr. Liu, a Portsmouth NH dentist, performing dental work on an actual patient
Partner With Us

By developing strong, long-lasting relationships with our patients, we create a mutual feeling of trust and relaxation in our office. We explain everything so you feel informed and involved in your treatment.

Meet Your Newington, NH and Portsmouth, NH Dentist

Our skilled and gentle dentist partner with you for improved oral health.

Your caring and skilled Newington and Portsmouth NH dentist smiling

Dr. Richard Liu

‘‘We are here to help you and make you feel comfortable.”

Dr. Liu is widely known as an expert in dental implants as seen by his numerous awards and certificates. Although he enjoys working with implants, our Newington dentist loves using family services to bring better smiles and self-confidence to all his patients. He achieves this by combining his artistic flair with vast experience and knowledge.

  • Top Prosthodontist 2017 (Nine-time winner)

  • Associate Professor at Harvard University

  • Advanced Training in Biomechanics of Implants from MIT

Dr. Jill Harrison

‘‘I am committed to giving patients all their options and recommending treatment based on how I would want to treat myself and my own family.”

Dr. Harrison has enjoyed practicing dentistry in both Chicago and New Hampshire. She uses her experience and advanced training to guide patients to the best possible outcome. Her greatest thrill is seeing a patient look in the mirror and smile at how quickly and easily she has been able to improve their appearance and self-worth.

  • DMD from University of Pennsylvania

  • Experience in Anesthesia, Oral Surgery, and ENT

  • General, Cosmetic, and Restorative Dentist

Learn more about our dental duo and their wonderful team!

I was very excited to find this practice when I moved to the area. I felt very comfortable right from the start- making my appointment was easy, rescheduling was not a problem, the office is easy to get to, clean and the team of Dentists and Hygienists are extremely friendly and wonderful at what they do. Thank you!

Alyssa S. (Actual Evergreen Patient)

Every time I'm at Evergreen Dental Care I have had a great experience and I couldn't be more satisfied with the staff. This is the best dental office I have been to and the doctors are amazing. I recommend it to anyone!

Alex L. (Actual Evergreen Patient)

Caring for Your Smile

We combine leading-edge technology with our gentle approach to care for your family's overall health.

Achieving your smile goals is paramount to our entire team at Evergreen Dental Care. We know the importance of feeling confident about the care you receive, which is why we explain each treatment and give you a range of options. Through open and honest communication, we are able to develop a close relationship with patients built on mutual trust. So, trust that we truly care about you!

Not only do we provide comprehensive family dentistry but we do so using a convenient and positive approach. Here are some of the top services we provide to you and your family.


Maintaining and caring for all dental issues to prevent big problems from taking shape.


We partner with local implant specialists to restore your smile’s beauty and function when you are missing a tooth.

A clock to show that your dentist in Portsmouth and Newington NH can place crowns in one visit with CEREC

Discover the convenience of CEREC® single-visit restorations and regain your health in no time.

General Dentistry
  • Exams & X-rays

  • Hygiene & Cleaning

  • Oral Cancer Screening

  • Fluoride Treatment

  • Sealants

  • Laser Bacterial Reduction

  • Oral Cancer Screening

Cosmetic Dentistry
  • Teeth Whitening

  • Anterior Bonding

  • CEREC® Crowns & Bridges

  • Porcelain Veneers

  • Invisalign®

Restorative Dentistry
  • Fillings

  • Dentures (inc. adjustments)

  • Dental Implants

  • All-on-4 Implants

  • TMJ

  • Full Mouth Reconstruction

Your Portsmouth Dentist Making Your Experience Easy

Dentistry at our office is never stressful, just fun and worthwhile.

Open Hours

Monday 7:00 AM – 7:00 PM
Tuesday 7:00 AM – 7:00 PM
Wednesday 7:00 AM – 7:00 PM
Thursday 7:00 AM – 7:00 PM
Friday 8:00 AM – 12:00 PM


We offer ample on-site parking for all our patients at our ideally located Newington dental practice.

Simple Financing

To fulfill our aim of making dentistry more accessible, we accept a number of payment methods and provide financing options.

We've Got You Covered

Learn more about our flexible in-house dental plans for those who do not have insurance.

Practicing Trustworthy Dentistry Since 1999

Serving the people of Newington, Portsmouth, and York.