Mountainside Dental in Rancho Santa Margarita provides comprehensive dental care for every member of your family, including preventive exams, cosmetic dentistry, dental implants, Invisalign, and same-day emergency appointments at our Aventura office led by Dr. Michael Welcome, DDS.
Why Families in RSM Choose Mountainside Dental
Mountainside Dental in Rancho Santa Margarita has served families since 2014. Our RSM office holds a 4.9-star rating from over 250 patient reviews across all locations, reflecting a consistent standard of care.
Dr. Michael Welcome is a USC-trained dentist with over 28 years of experience providing general and cosmetic dental care to RSM families. His patient-centered approach prioritizes comfort and long-term oral health outcomes.
Having a full range of dental services at one location means your family receives checkups, fillings, whitening, implants, and emergency care without referrals to outside offices.
Dental Services for Every Member of Your Family
Mountainside Dental in Rancho Santa Margarita offers preventive, cosmetic, restorative, and emergency dental services for children, teens, adults, and seniors.
Preventive Care
Dental exams, professional cleanings, digital X-rays, oral cancer screenings, and personalized hygiene plans every six months.
Cosmetic Dentistry
Teeth whitening, porcelain veneers, dental bonding, gum contouring, and complete smile makeovers tailored to your goals.
Restorative Dentistry
Fillings, crowns and bridges, dentures, and dental implants with a 98% success rate lasting 25+ years.
Children’s Dentistry
Pediatric dental services including first exams, sealants, fluoride treatments, and age-appropriate oral health education from age one.
Emergency Dental Care
Same-day emergency appointments for severe pain, broken teeth, knocked-out teeth, and dental infections. Contact our RSM office for same-day scheduling.
Invisalign & Orthodontics
Invisalign clear aligners for teens and adults seeking straighter teeth without metal braces. Treatment typically takes 12 to 18 months.
What to Expect at Your First Visit
New patients at Mountainside Dental in Rancho Santa Margarita receive a comprehensive dental examination that establishes a baseline for your ongoing care.
Your First Appointment in 4 Steps
Paperwork & Medical History
Arrive 15 minutes early to complete forms, or fill them out online ahead of time. We review your dental and medical history to understand your full health picture.
Digital X-Rays & Examination
A full set of digital X-rays and a thorough examination of your teeth, gums, and bite alignment. We also perform an oral cancer screening at every new patient visit.
Findings & Treatment Plan
Your dentist discusses any findings, explains all treatment options, and presents a clear plan with associated costs and insurance coverage details.
Professional Cleaning
A professional cleaning by our hygiene team removes plaque and tartar, followed by personalized hygiene recommendations for at-home care.
Most new patient appointments take approximately 60 to 90 minutes. We schedule ample time so you never feel rushed.
Insurance and Payment Options
Flexible Payment for Every Family
Mountainside Dental in RSM accepts most major PPO dental insurance plans. Our front office team verifies your benefits before your appointment and explains what your insurance covers. For patients without insurance or for procedures not fully covered, we offer CareCredit financing with low or no interest payment plans.
Meet Dr. Michael Welcome, DDS
Dr. Michael Welcome
General & Cosmetic Dentist, USC School of Dentistry
Dr. Welcome has provided dental care to Rancho Santa Margarita families for over 28 years. His approach focuses on patient comfort, thorough communication, and treatment plans that prioritize long-term oral health.
- 28+ years of clinical experience
- USC School of Dentistry graduate
- General, cosmetic, and restorative dentistry
- ADA, CDA, and AGD member
What Our Patients Say
“Very pleasant experience. The team was great. Would definitely recommend to everyone.”
— Rachel P., Google Review
“I have been coming here for over 20 years. The team has been great. In 20 years I have not had a complaint. I’m still a patient here!”
— Hilda S., Google Review
Serving Rancho Santa Margarita and Surrounding Communities
Our Rancho Santa Margarita office is located at 29941 Aventura, Suite B, Rancho Santa Margarita, CA 92688, conveniently located off Antonio Parkway with ample parking and easy access from the 241 Toll Road.
Frequently Asked Questions About Mountainside Dental in RSM
Schedule Your Appointment in RSM
We welcome new patients of all ages for routine care, cosmetic consultations, and emergencies.
Mountainside Dental | 29941 Aventura, Suite B, Rancho Santa Margarita, CA 92688
Serving Rancho Santa Margarita, Mission Viejo, Coto de Caza, Ladera Ranch, Dove Canyon, Trabuco Canyon, Las Flores, and Robinson Ranch since 2014. 4.9-star rating from 250+ patient reviews.