Welcome To Preston Park Dental

At Preston Park Dental our mission is to create and maintain beautiful smiles that last a lifetime! This is why we offer our very best relational care, special skill, and knowledgeable judgment. This with the latest in dental technology: digital, laser and cadcam technology. Plano dentist, Dr. Diana O’Quinn can provide the care you need.

Please take a look at our site to learn more about Dr. Diana O’Quinn and our practice to see how we can be your dental care team. We know that the first step towards a beautiful smile begins with selecting a dentist that you can trust. Don’t hesitate to give us a call. We are here to help. If you have any questions, or if you would like to schedule an appointment.

Whether you desire a routine checkup, porcelain or bonded veneers, crowns in a single office visit, dental implants, dentures or more complicated smile and bite transformations, Preston Park Dental will make a plan that uniquely fits your short and long term goals. Our friendly service oriented staff will ensure your visit to the dentist is informative and comfortable. We care about our patients and are here for you. Contact us today at (972) 519-1990.

Our Services

Office Hours

Monday: 7:00 am – 4:00pm
Tuesday: 7:00 am – 4:00pm
Wednesday: 7:00 am – 4:00pm
Thursday: 7:00 am – 4:00pm
Friday – Sunday: Closed


We will do our best to accommodate your busy schedule. Request an appointment today!

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