Welcome To

Sayville
Family
Dentistry

Creating beautiful smiles with care, comfort, and community in mind.

comfortable & welcoming

Smiles Start Here in Sayville

Our Mission

Compassionate Care for Every Smile

At Sayville Family Dentistry, our mission is to blend advanced dental care with a personal touch. We’re here to help every patient achieve lasting oral health and a confident, beautiful smile in a setting that feels like home.

why choose Us?

Modern Dentistry Rooted in Comfort

Trusted Expertise

Dr. Grassa brings years of experience, gentle care, and a commitment to helping patients love their smiles.

Advanced Technology

We use digital X-rays and intraoral cameras to provide precise, comfortable care.

Same-Day Appointments

We know your time matters, so we make it easy to get the care you need quickly and conveniently.

Comprehensive Comfort

Enjoy thoughtful amenities like free Wi-Fi, goodie bags, music, prizes, stickers, toys, water, and more for a fun, relaxing visit.

our featured

Dental Services

Invisalign

Straighten your teeth discreetly with Invisalign clear aligners that comfortably guide your smile into perfect alignment.

Extractions

We perform gentle extractions using advanced techniques designed to minimize discomfort and promote faster healing.

Dental Implants

Restore your smile and confidence with durable, natural-looking dental implants that function just like real teeth.

Crowns

Our custom dental crowns protect and strengthen damaged teeth while restoring their natural beauty and function.

Veneers

Transform your smile with porcelain veneers that correct chips, gaps, and discoloration for a flawless, lasting finish.

Bridges

Replace missing teeth seamlessly with dental bridges that restore balance, comfort, and a complete smile.

Dedicated to Quality

Meet Dr. Michael Grassa

The Heart of Our Practice

A Team That Treats You Like Family

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Meet the Smiles Behind the Care

At Sayville Family Dentistry, our team is dedicated to making every patient feel right at home. From the front desk to the treatment room, each team member brings compassion, experience, and genuine care to every visit. We work together to create a friendly, stress-free environment where your comfort always comes first.

our testimonials

Hear From Our Patients

Marie B
Featured review
Very understanding of your needs and listen to your concerns.
Joseph A
Customer since 2025
Dr Grassa is compassionate and professional
Jeffrey B
Customer since 2013
Very pleasant experience.. The staff and the dentist were memory friendly, Knowledgeable ,and professional
Richard D
Customer since 2025
Everyone at Sayville Family Dentistry is great
Debra I
Customer since 2013
Everyone was very nice and made me feel welcome and comfortable. Even though I didn’t have an appointment with the dentist, I saw the hygienist, he made a point to introduce himself to me. That was impressive and professional
Donna P
Customer since 2013
Everyone is so nice!!! As an old timer, I was used to the dentist and all the long time employees. I wondered how the change would be. Everyone is so nice. The dentist listened to me and made me so comfortable.!