Dennis Thornley, Kelly Reinhardt DDS & Sarah Thornley DMD

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Dennis Thornley, Kelly Reinhardt DDS & Sarah Thornley DMD [email protected] Looking for comfortable, confident and convenient care from dentists in Grand Haven? You've come to the right place.

From the minute you walk into our office you will notice a difference at Thornley & Reinhardt DDS. We care about you, your family and your friends, and we're here to help you achieve your healthiest, brightest smile. At Thornley & Reinhardt DDS, we know every person's dental needs are unique. That's why we offer a comprehensive selection of treatment options in a comfortable, convenient atmosphere. We're confident we can provide superior dental care that no other dentist in Grand Haven can offer. We specialize in improving smiles. You can learn more about our smile-enhancing services on our website, including:

General Dentistry
Teeth Whitening
Crowns
Preventive Care
Periodontal Exams
View a Complete List of our Dental Services

We've developed this informational website as an extension of our practice, to serve as a convenient, educational resource for our patients. With just a few clicks, you can find helpful information about our services, credentials and office policies. You can also easily access patient forms or request an appointment with our Grand Haven dentist. Discover a new dental experience at Thornley & Reinhardt DDS. We look forward to caring for you and your family's dental needs.

10/15/2026

Be sure to visit Dr. Marks page and vote for our Pumpkin in the Pumpkin Palooza! Let’s show our creative hygienists how much we love them and their pumpkins!!

10/15/2026

Update 10:30am
**our phones are back!!**
If you were trying to reach us this morning, please try again. We are back to business as usual! 😊

**Phone Interruption**
We are So sorry to inform you that our phones are currently out of service. We have teams working hard to restore the issue but do not have a service restoration time at this moment.
If you have any immediate needs, please leave a voicemail and we will get back to you as soon as we can!!

We apologize for any inconvenience this may cause!

Not so spooky but enjoying a little creative competition around here. Thank you, Mel and Rene’ for your creativity! ‼️...
10/08/2026

Not so spooky but enjoying a little creative competition around here. Thank you, Mel and Rene’ for your creativity! ‼️‼️ 🎃

Happy Coast Guard week! Did you catch our team at the kids parade this morning?!
07/25/2026

Happy Coast Guard week! Did you catch our team at the kids parade this morning?!

Feeling’ festive! 🎅🏼We hope you all have a great Christmas full of light and laughter for you and your family! 🎄
12/23/2025

Feeling’ festive! 🎅🏼

We hope you all have a great Christmas full of light and laughter for you and your family! 🎄

What else is there to do on a snow day but steal Dr. Thornley’s truck and make a Starbucks run?? 🤪☃️
12/02/2025

What else is there to do on a snow day but steal Dr. Thornley’s truck and make a Starbucks run?? 🤪☃️

Guess who came to see us today?! 🎅🏼We must’ve been good ALL year! Ho Ho Ho! Merry Christmas! 🎄🎁 ☃️
12/02/2025

Guess who came to see us today?! 🎅🏼

We must’ve been good ALL year!

Ho Ho Ho! Merry Christmas! 🎄🎁 ☃️

Our very own FRIENDSGIVING at the office! 🦃We hope each and every one of you have a happy and healthy Thanksgiving next ...
11/20/2025

Our very own FRIENDSGIVING at the office! 🦃
We hope each and every one of you have a happy and healthy Thanksgiving next week and as always, eat WAY too much turkey! 😉

We celebrated Halloween a day early with some fun costumes and a potluck! Happy Halloween! 👻🎃🕸️
10/30/2025

We celebrated Halloween a day early with some fun costumes and a potluck! Happy Halloween! 👻🎃🕸️

From our family to yours, Have a blessed Christmas and a Happy New Year!
12/25/2023

From our family to yours,
Have a blessed Christmas and a Happy New Year!

Address

17000 Robbins Road
Grand Haven, MI
49417

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 7am - 5pm
Friday 8am - 12pm

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