Meet The Doctors

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Dr. Michael Greding, DDS

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Dr. Michael Greding is originally from Thousand Oaks, California. He graduated with a bachelor’s degree in biology from BYU in 1997 and graduated from UOP Dental School in 2001 with honors. In 2001, he moved to Arizona. Dr. Greding has been married 23 years to wife, Carlie. They have 5 children, a daughter in law, a son in law and four grandchildren. Two girls and twin boys! In his spare time, he enjoys the gym, exercise, playing competitive baseball, water skiing, snowboarding, and surfing. Dr. Greding loves to travel with his family.

He has been a pioneer in CEREC dentistry and has been using the CEREC technology (same day crowns) since 2002; being one of the most experienced dentists in all of Arizona. In April of 2018, he joined the OnCall Dental family. Now, he has purchased the Tempe location and is incorporating all aspects of family, restorative, and cosmetic dentistry to the practice—while still not forgetting emergency patients and relieving same-day pain.

Dr. Joshua Heyrend, DMD

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Dr. Joshua Heyrend, DMD is originally from Idaho, but grew up in the Midwest. After high school, he served a church service mission in northern Italy and is fluent in Italian. He attended Brigham Young University-Idaho, where he earned his Bachelor’s of Science degree in Exercise Science with a Minor in Chemistry. He earned his Doctor of Dental Medicine degree at Western University of Health Sciences, College of Dental Medicine, in California. Following dental school, he completed a post-graduate residency in Utah, where he had further training with dental emergencies, dental implants, impacted wisdom teeth, cosmetic dentistry, root canal treatments, and more. During the pandemic, Dr. Heyrend continued to see dental emergency patients and offered much needed treatment. Dr. Heyrend and his family moved to Arizona in 2020 to be closer to family. He and his wife have 3 sons and 1 daughter. They enjoy living in Arizona and the desert climate. In his spare time, he enjoys running, hiking, traveling, and spending time with his family.

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“Quality Dentistry with Urgent Care Hours”. For those in need of root canals, tooth extractions, restorative dentistry or any type of emergency dentistry, OnCall Dental is available. We provide same day dentistry at our location in Tempe, AZ. Because of the quality of dentistry provided and our hours of operation, we see patients from all over the Phoenix metro area, including from the surrounding communities of Chandler, Scottsdale, Gilbert, Peoria, and Surprise, Arizona.

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