About Rocky Mountain Dental Group

Creating Meaningful Relationships and Patient Experiences in Lakewood, Colorado Since 1993

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Meet Dr. Michael Ontiveros

Originally from Phoenix, Arizona, Dr. Michael Ontiveros has dedicated his career to helping his patients look, feel and smile their very best for nearly 30 years. From an early age, Dr. Ontiveros knew he wanted to become a dentist. After graduating with a degree in chemistry from Arizona State University, he moved to Colorado and earned his Doctor of Dental Surgery degree from the University of Colorado Health Science Center. His passion lies in cosmetic and surgical dentistry and he stays up to date with the latest techniques in the industry.

Dr. Ontiveros prides himself in providing his patients with the highest quality dental care while always keeping their best interest at heart. He loves working with families and creating meaningful relationships; he truly takes time to educate and inform his patients so they can make educated decisions. He treats a wide range of dental needs and is also focused on making patients feel comfortable while undergoing dental treatment. 

When not in the office, Dr. Ontiveros loves to fire up his grill and spend time with his family. He also enjoys golfing and taking long walks in the beautiful Colorado outdoors.


Bachelor of Science in Chemistry – Arizona State University
Doctor of Dental Surgery – University of Colorado Health Sciences Center
Certification in Oral Implantology – Misch International Implant Institute
Certified Invisalign Preferred Provider
Advanced Clinician of the Chao Pinhole Surgical Technique

Areas of expertise

General, Preventative and Cosmetic Dentistry
Dental Implantology
Oral Sedation
Surgical Dentistry
Hard & Soft Tissue Regeneration

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Professional Affiliations

Chao Pinhole Surgical Technique
Colorado Dental Association
Colorado Prosthodontic Society
Denver Implant Study Club
International Congress of Oral Implantologist
Metro Denver Dental Society
American Dental Association
Academy of General Dentistry
American Board of Oral Implantology
American Academy of Cosmetic Dentistry
Misch International Implant Institute
American Academy of Implant Dentistry
“Do yourself a favor, go here. Staff goes beyond expectations and they provide excellent service. They made going to the dentist less of a chore. Affordable, friendly, reasonable, gentle, careful, kind service. Can't express my gratitude enough!!”
- Sofia

Office Information

Monday: 8am-5pm
Tuesday: 8am-5pm
Wednesday: 8am-5pm
Thursday: 8am-5pm
Friday: 8am-1pm
Saturday-Sunday: Closed

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"I’m committed to providing my patients with the best dental care available - I want you to look and feel amazing. I strive to address every concern you have, provide education to help you make informed decisions and provide treatment options that have your best interest in mind. I want you to leave my office feeling confident that you came to the right place."