welcome to

welcome to

Dr. Lenk & Dr. Sunnie work together to ensure that patient families receive the type of experience that they would choose for their own families. This includes a welcoming office environment, friendly and professional team, efficient systems, and excellent communication.

Dr. Lenk &

Dr. Lenk and Dr. Sunnie specialize in adult and adolescent orthodontics and are Invisalign certified providers. Their goal is the bring the best possible care to Durham and the surrounding area.  

A native of the Seacoast, Dr. Jason Lenk was born in Dover, NH, and received his Doctorate of Dental Medicine (DMD) in 1997 from the University of Connecticut School of Dental Medicine. Following four years in general practice, he specialized in orthodontics at Wilford Hall Medical Center in San Antonio, Texas.

Dr. Sunnie attended Tufts University School of Dental Medicine where she received a Doctor of Dental Medicine (DMD) degree. Discovering a love for creating smiles, she decided to pursue a three-year post-doctoral program in orthodontics at Harvard School of Dental Medicine, earning a Masters of Medical Science (MMSc).


Why Lenk & KUNA Ortho:

Personalized care at every visit.

Multiple treatment options let you choose the approach that's right for you!

Flexible down and monthly payment options, and most insurance plans accepted.

Excellent communication and coordination of your treatment assures you that you’re in good hands.

Efficient systems mean we run on time, because we know life is busy!

A bright, cheerful, welcoming office that feels like home.

A well-trained, friendly team who love helping to make sure you have a comfortable and stress-free experience.

Why Orthodontics?


Correct your bite so your teeth fit together in a healthy way to preserve your teeth throughout your lifetime.


Straighten your teeth so they look nice and they’re easier to keep clean.


Position your teeth in preparation for other dental work (implants, bonding, etc)


Happiness! Life is better when you look and feel your best and love your smile!

steps of orthodontic treatment



Meet Dr. Lenk, Dr. Sunnie, and the team, learn about your diagnosis, and find out which treatment options are right for you.


Active Treatment

Dr. Lenk & Dr. Sunnie typically see patients once every 4-8 weeks.


Detail & perfect

Once the first two steps are completed, we take a close look at your teeth and smile to ensure that we are giving you an A+ result. At this stage, we value your input in making sure that you are completely satisfied before we finish treatment.



Retainers ensure your teeth stay in a healthy position throughout your lifetime.

Our Team

Dr. Lenk, Dr. Sunnie and the Team at Lenk Orthodontics are committed to working with you and your family each step of the way to help you discover your best smile! You'll love the friendly, efficient, and professional experience you’ll receive at Lenk Orthodontics every visit, every time.


Actual Lenk Ortho patient

Actual Lenk Ortho patient

Actual Lenk Ortho patient

Actual Lenk Ortho patient

Actual Lenk Ortho patient

Your Smile,
Your Choice

Options are a good thing! Dr. Lenk and Dr. Sunnie will help you decide which treatment mode best suits your lifestyle and treatment goals. From metal or clear braces to clear aligners, you’ve got options!


Office Technology

We pride ourselves on staying up to date with the digital world to offer the latest in efficiency, comfort and safety, while keeping a personal touch!

Let's get in touch!

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