Serving Beloit and surrounding areas

Contact John G Onderak, DDS - Beloit, WI | 608-363-9400
Dental service

We are always finding ways to serve you better. Call us to schedule an appointment:


A dental visit may cause some apprehension. At John G Onderak, DDS, you will feel at ease. Our staff is here to make your visit to the dentist as pleasant as possible. We've been serving the Beloit community for the last 31 years. We provide our patients with personalized attention in an environment that is suitable for both children and adults.

  • Crowns

  • Extractions

  • Whitening (trays)

  • Root canals

  • Fillings (composite and amalgam)

  • Restore implants

General dental services:

You feel more confident with a beautiful smile. Walk in and get help with:

  • Bridges

  • Veneers

  • Dentures


Get a complete smile

We provide each patient with superior care and customize our treatment for your needs. When you choose us, you'll find that our services are affordable.

Your smile stays its healthiest with our routine care

Quality Dental Solutions

Teeth Dental care