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Souderton

new patients

call (267) 440-7648
Call

existing patients

call (215) 799-4602
Call
text (215) 398-4177
Text

Quakertown

new patients

call (267) 699-2138
Call

existing patients

call (215) 538-2911
Call
text (215) 398-4177
Text

Doylestown

new patients

call (267) 497-3088
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existing patients

call (215) 489-8600
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text (267) 458-4067
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Complimentary Consult
  • Our Practice
    • Who We Are
    • Why We’re Different
    • Meet Our Doctors
    • Meet Our Team
    • Our Technology
    • Patient Reviews
  • Orthodontics
    • Braces
      • Types of Braces
      • Braces for Kids
      • Braces for Teens
      • Braces for Adults
      • Braces FAQ
    • Clear Aligners
      • About Clear Aligners
      • Clear Aligners for Kids
      • Clear Aligners for Teens
      • Clear Aligners for Adults
      • Clear Aligners FAQ
    • Other Treatments
      • Early Interceptive Treatment
      • Retainers
      • Teeth Whitening
  • Patient Resources
    • Your First Visit
    • Virtual Consult
    • Patient Form
    • Financial Info
    • Blog
    • HIPAA Notice
  • Contact Us
    • Contact Info
    • Souderton
    • Quakertown
    • Doylestown
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Always Giving

Complimentary Consult

Give Your Smile a Boost in 3 Steps

Begin your journey to a confident smile with a complimentary consult and customized treatment plan.

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Complimentary Consult
Serving Smiles Since 2015

Begin your journey to a healthier, more confident smile with our accessible hours, multiple locations, and flexible financing options.

discover the difference

Always Giving
Beyond Smiles

Our mission is to create an environment where patients enjoy great oral health, a sense of belonging, and overall well-being.

Begin your journey to a healthier, more confident smile with our accessible hours, multiple locations, and flexible financing options.

discover the difference
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Specialists Focusing On Orthodontics

Our doctors and dedicated team are passionate about creating exceptional experiences where patients enjoy great oral health and overall well-being.

Dr. Justin Silvestre DMD

Dr. Silvestre, a passionate and board-certified orthodontist, combines his love for creating beautiful, functional smiles with a dedication to his community, both in and out of the office, while cherishing time with his wife and four children.
meet dr. Silvestre

Dr. Gregory Gittleman DMD

Dr. Gittleman, a dedicated orthodontist with a background in leadership and military service, combines his commitment to excellence with a welcoming, empathetic approach, white bringing humor and warmth to every patient interaction.
Meet Dr. Gittleman

Everyone Deserves
a Confident Smile

We offer a range of orthodontic treatments for kids, teens, and adults, ensuring personalized care for every family member.

Kids

We create a fun and engaging environment for children, using iPads and games to make their visits enjoyable and help them feel at ease.

Braces
Clear Aligners

Teens

Our modern orthodontic options, including aligners and braces, cater to the unique needs of teenagers, boosting their confidence with a beautiful smile.

Braces
Clear Aligners

Adults

It’s never too late to achieve your dream smile! We offer discreet and effective treatments tailored to your lifestyle, preference, and busy schedule.
Braces
Clear Aligners

Specialized Care for a Lasting Impression

Our state-of-the-art technology allows us to provide tailored treatments that are faster, more comfortable, and more effective.

Braces

We provide various braces options, including traditional and clear braces, to suit your individual needs and preferences.

Explore Braces

Clear Aligners

Our advanced clear aligners offer a virtually invisible and comfortable way to straighten your teeth without the need for braces.

Explore Aligners

Other Treatments

Beyond braces and aligners, we offer comprehensive orthodontic services, including retainers and teeth whitening, to enhance your smile.

Explore Others

Connect With us

@smiles.by.os

Stay connected with us on social media and see why everyone is raving about their new smiles!

Open post by smiles.by.os with ID 17960444235148196
🤔 Ever wonder who’s behind the amazing chalkboard art in our office? It’s our very own Maddie!! 🎨 👩🏼‍🎨

This month’s design features our mascot, Oscar the Otter, catching waves while highlighting our Always Giving campaign, Otters for Others. Every detail is hand-drawn with creativity & heart…we think she nailed it!!🏄🦦 🌊 

🚨Don’t forget! Bring in a new, unwrapped toy to donate to Liz’s Birthday Closet & as a thank-you, you’ll take home your very own Oscar the Otter plush!! Otters are also available to purchase via donation. Together, we can help make birthdays a little brighter for local children. 🎉 

www.os-smiles.com
17 0
Open post by smiles.by.os with ID 17946302247219574
Niall & David are expanding their brotherly bond… one smile at a time!! 😎🦷

It was a big day for these two!! Niall kicked off his smile journey with an expander & Gavin is officially rocking braces!! 👏🏻 😁
Nothing says brotherly bonding quite like starting orthodontic treatment together. We can’t wait to watch both of their smiles transform!! 👬🏼

www.os-smiles.com
10 0
Open post by smiles.by.os with ID 18130257466544584
🇺🇸Happy 4th of July from all of us at Orthodontic Specialists!!🇺🇸

Wishing our amazing patients, families & community a safe, fun-filled holiday filled with fireworks, laughter & smiles. We hope you enjoy every moment celebrating with the ones you love!! 

Happy 250th birthday, America!! 🎆✨
5 0
Open post by smiles.by.os with ID 18102367763113434
🇺🇸✨ Holiday Hours Reminder! ✨🇺🇸

Our office will be closed Thursday, July 2nd & Friday, July 3rd as our team enjoys the holiday with family & friends.

📞 We’ll still be answering phones on Thursday if you need us!!
 
We’ll be back in the office Monday & can’t wait to see your smiling faces!!😁

Have a fun, safe & happy Fourth of July weekend!! Stay cool!! 😎
6 0
Open post by smiles.by.os with ID 18106313516089660
☀️ JULY GIVEAWAY ALERT!! ☀️

Cool off with a new smile!! 😁😎

✨ Start orthodontic treatment during the month of July & you’ll be automatically entered to win:
🥤 A Ninja SLUSHi™ Machine
🧊 An OS YETI Tumbler

📞 Schedule your complimentary consultation today & let us help you make this your best summer yet!! 🥳

www.os-smiles.com
20 2
Open post by smiles.by.os with ID 17919098784179778
😎 We’re at Pennridge Community Day today in Perkasie at Lake Lenape Park until 6pm!! OS is proud to be a sponsor!! Come say hi, play some Plinko to win cool OS swag & have fun at this awesome event!! 👋🏻 🎆 

https://www.pennridgecommunityday.org/

www.os-smiles.com
8 0
Open post by smiles.by.os with ID 17892406113556907
Miles, margaritas & memories! 🌮🍹🏃‍♀️🏃🏻

Our team had a blast taking on the Tex Mex Wissahickon Trails 5K Race for Open Space through the streets of Lansdale!! We laughed our way to the finish line, celebrated with well-earned margaritas & enjoyed spending time together outside the office.
 Cheers to a fun day and an even better team!! 👏🏻 

www.os-smiles.com
28 1
Open post by smiles.by.os with ID 18102375803156845
🥳 🙌🏻 Happy Father’s Day!! Whether you’re the one driving to appointments, cheering on new braces or just being there with a dad joke… your dedication doesn’t go unnoticed!! Wishing all the incredible dads & father figures a day filled with appreciation, laughter & well-earned relaxation!! 😎👏🏻 

www.os-smiles.com
13 0
Open post by smiles.by.os with ID 17872999326526365
💦💧☀️ Hydration for our hometown heroes!! With the summer heat in full swing, our team stopped by the First Responders Community Trailer in Hilltown to donate water & Gatorade to help keep our local first responders fueled & hydrated!! Thank you for your unwavering commitment…we appreciate you!! 🔥 🚒 🙌🏻

www.os-smiles.com
13 0
Open post by smiles.by.os with ID 17914660251201430
A refreshing way to say THANK YOU!! 🍋🥨

✨We loved stopping by our amazing referring dental offices with lemonade and pretzels to show our appreciation for the continued support!! 🙌🏻😎

www.os-smiles.com
21 0
Open post by smiles.by.os with ID 18329068534267414
At our core, we believe in Always Giving. 🫶🏻 

That’s why we’re proud to partner with Liz’s Birthday Closet for our new Otters for Others campaign. Together, we’re sharing more than adorable otters…we’re sharing kindness, compassion & support for children in our community. This initiative reflects what matters most to us: lifting others up, creating meaningful connections & making a difference!!

We’re grateful for the opportunity to support such an incredible organization & help bring smiles to children who deserve to feel celebrated. 🥳

🦦 One otter. One act of kindness. One stronger community!! 

www.os-smiles.com
27 0
Open post by smiles.by.os with ID 18233898499310210
🎉🥳 Happy Birthday, LeighAnn!! We hope your day is as bright & cheerful as you are. Thanks for always bringing positivity & a smile every day!! Enjoy your special day!! ☀️🎈 

www.os-smiles.com
13 0
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You Deserve
Five-Star Care

Our patients consistently praise our friendly staff, modern office, and exceptional care, making us a top choice for orthodontic treatment.

Giorgi K.
My son had an appointment at Orthodontic Specialists Doylestown with Dr. Greg Gittleman, and we had such a great experience. We were nervous going in, but everyone there was kind, welcoming, helpful, and very informative. They really put us at ease and made the whole visit go smoothly. We left feeling very happy with the care we received.
Laurie C.
Went to the Souderton location for a consultation for my oldest son. Clean office and friendly staff! Brought my middle son along and both boys enjoyed juice boxes and both left with prizes :) Thoroughly explained the process and payment options for his treatment. Highly recommend! Update in 2026: My oldest son is still a patient there, so my middle son was very excited for it to be his turn! He even got to enjoy a popsicle while we were there. Appointments are easy to schedule (we’ve had to schedule a few emergency ones). 10/10 recommend!
Response from the owner:Hi Laurie! It was a pleasure having you and your boys in our Souderton location. Looking forward to seeing you all again for some more prizes and endless juice boxes! :)
Ryan A.
Went for a consultation for my daughter. The whole staff was very friendly and welcoming from the moment we walked in the door. Dr. G was great and took the time to explain everything to us. Highly recommend!
Dana H.
The office staff instantly made us feel welcome. Thank you Lauren and Jen. The upgrades to the building since the last orthodontist are impressive and bright and clean. The pictures on the walls of patients and their beautiful smiles showed us the quality of their work. The assistant, Sam, made my daughter feel comfortable and settled as she had X-rays completed.
Jessa M.
2 of 3 kids being treated here… soon to be all 3! the staff and doctors have always been kind and professional. would highly recommend 👍
Gulzoda T.
That was my first and best experience with Orthodontic Specialists Souderton. Thank you everyone !!!🤍😃
Lindsey F.
We are early on in the process, but from first phone call and initial appointment, experience is great! Welcoming team!
Dan & Beth B.
The orthodontic specialists in Souderton are a great group. They are thorough in the work and care for their clients. We highly recommend them to anyone needed orthodontic work.
Response from the owner:Thank you so much for the great review! It is our privilege to be able to provide you with modern orthodontic treatment.
Adalharis B.
Taking my son there for the first time and we loved it. They made the whole process easy, great decision to start orthodontist with them. Thank you
Brianna L.
Everyone who worked with us was super friendly and welcoming - their positive and helpful demeanor was comforting to my son. I left feeling informed and at ease because of their knowledge, attention to detail, and personal approach.
Roberta E.
The office runs smoothly and efficiently. There is a Keurig with assorted coffees and teas to sip while you wait for your children. The cost of the orthodontist is very reasonable. Staff is friendly and kind. The practice also supports local non-profits.
Response from the owner:Roberta! Thank you so much for sharing your experience. We love that you enjoy coming to see us!
Jacquelyn D.
Brought my 2 children in for a consultation and the staff was extremely helpful, friendly, and very informative. I always feel like most places try to talk you into things that aren’t really needed just to make money. Not this office, they were very honest and there was zero pressure.
Response from the owner:Jacquelyn! Thank you for reviewing our Souderton office! Our goal is always to provide honest, informative recommendations and help families make the best decisions for their care without any pressure. We look forward to seeing you and your family again!
Sherry G.
Friendly, efficient, professional, clean.. nothing but amazing things to say about Dr. Justin and staff! We consulted with various orthodontists in and around Center Valley and ultimately are pleased with our choice to send our kids (and now myself with aligners) to OS!
Response from the owner:Sherry and the Graham Family! We’re honored you chose OS after exploring several options in the area. It means so much to hear that you’ve had such a positive experience and we’re excited to now be part of your aligner journey as well! We truly appreciate your support and look forward to continuing to care for your family’s smiles.
Lauren Z.
Great experience. Took the time to explain things to my son. We didn’t feel rushed or talked down to. Staff is wonderful as is dr Greg
Response from the owner:We appreciate you trusting us with your sons smile, Lauren! We look forward to seeing you again soon!
Candace Y.
Our son misplaced his bottom retainer and is home from college and needed a replacement. We had a great experience from the first call to our visit a few days later. Everyone in the office is friendly and knowledgeable and the price was very reasonable. Highly recommend this orthodontic practice!
Response from the owner:Hey there! Thank you for your kind review! We're so glad we could help your son get a replacement retainer. It's wonderful to hear that your experience was positive from the very first phone call through your office visit. Our team strives to provide friendly, knowledgeable care and make the process as convenient as possible for our patients and their families. We truly appreciate your recommendation and look forward to being here whenever you need us!
Cynthia O.
Great place!! The whole environment and all the staff are very welcoming . Highly recommend !!!!
Response from the owner:Thanks for taking the time to share your feedback, Cynthia!
Irvin E.
Great staff and great skills. Really have no complaints, the scans take 2 minutes. Had a problem with my wire popping out cause of what I ate on a Saturday and was stressing about how I would fit this all into my schedule. The doctor sent me a message same night on how I could fix the issue by myself with a simple fix. Never had the issue again anyways. Thanks!
Response from the owner:Hey Irvin! We know how busy life gets, so we always try to provide quick, convenient care and easy solutions for those little emergencies. We’re thrilled the quick fix worked for you and that you never had the issue again. We look forward to seeing you at your next visit!
Adam
From the front desk to the chair, everyone here is incredibly professional and welcoming
Response from the owner:Thank you, Adam!
Debra P.
This practice is populated with the nicest people. They are so kind and patient with me and my dental worries! Dr Gittleman is the nicest guy who wants to do the best for his patients. It’s a little crazy how sweet they are. Go and see for yourself!
Response from the owner:Hey Debra! Thank you so much for your wonderful review! Dr. Gittleman and our entire staff are committed to providing compassionate, personalized care, and we're grateful for the trust you've placed in us. Thank you for your recommendation!
Paul V.
Great office and great staff I need braces because of an overbite and a crossbite and they made me feel comfortable And can’t wait to get my braces on Tuesday
Response from the owner:Thank you so much, Paul! Can't wait to get your smile transformation started!
Robin L.
We were impressed with the office. The staff was very friendly and our consultation was thorough. My teenage son was at ease in their care.
Response from the owner:Robin! Creating a comfortable, thorough, and positive experience, especially for our younger patients, is very important to us. We appreciate your trust and look forward to seeing you both in our Doylestown office again! Thank you!
Lindsay J.
We had a great experience with Orthodontic Specialists. Everyone in the office were so welcoming and very professional. My daughter’s consult was very informative and we can’t wait to see the progress in the next couple months.
1395 Souderton S.
As a fellow member of the plaza for years I can tell you they have the best staff and great attention to detail and answered every question we had. We are lucky to have them in our neighborhood to brighten the smiles of every kid in town!! Thanks again!
Response from the owner:Hey there! Thank you for this thoughtful review! It means so much coming from a fellow member of the plaza community. We’re so happy to hear our team took great care of you and made sure all your questions were answered. We love being part of this neighborhood and caring for so many amazing families!
Destiny H.
I can’t say enough great things about this orthodontist office. From the moment you walk in, the entire staff is incredibly friendly, welcoming, and professional. Brooke is always so kind and helpful, making consultations smooth and stress-free. Dr. Justin and Dr. G are both amazing at what they do! They take the time to explain everything clearly and make sure you feel comfortable every step of the way. The rest of the staff there is absolutely phenomenal at what they do, as well. My whole family comes here; my son is a patient, I currently have braces, and my daughter will be starting her braces journey soon. It’s been such a positive experience for all of us. The team is patient, attentive, and truly cares about their patients. Overall, this office goes above and beyond, and I highly recommend them to anyone looking for quality orthodontic care in a friendly and supportive environment.
Response from the owner:Destiny! Thank you for such a wonderful review! We’re honored to care for your entire family and are so glad each of you has had a positive experience with our team. Brooke, Dr. Justin, and Dr. Greg will truly appreciate your kind words.
Kevykev1605
We loved this place from beginning to end. Top notch place with great people! Highly recommended.
Response from the owner:We’re so happy to hear you had a top-notch experience with our team. Your recommendation means the world to us!
more reviews

Conveniently Located

With multiple offices to choose from, we make it easy for you to access quality orthodontic care close to home.

Locations
Souderton
  • 718 PA-113 Suite M
    Souderton, PA 18964
Quakertown
  • 907 W Mill St
    Quakertown, PA 18951
Doylestown
  • 252 W Swamp Rd STE 50
    Doylestown, PA 18901

Souderton

new patients

call (267) 440-7648
Call

existing patients

call (215) 799-4602
Call
text (215) 398-4177
Text

Quakertown

new patients

call (267) 699-2138
Call

existing patients

call (215) 538-2911
Call
text (215) 398-4177
Text

Doylestown

new patients

call (267) 497-3088
Call

existing patients

call (215) 489-8600
Call
text (267) 458-4067
Text
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  • Souderton, PA
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Contact Hours
Souderton & Quakertown
Monday 9:00am – 7:00pm
Tuesday 9:00am – 7:00pm
Wednesday 9:00am – 7:00pm
Thursday 9:00am – 7:00pm
Friday 9:00am – 5:00pm
Saturday 9:00am – 1:00pm
Doylestown
Monday 9:00am – 5:00pm
Tuesday 9:00am – 5:00pm
Wednesday 9:00am – 5:00pm
Thursday 9:00am – 5:00pm
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