
DENTIST IN Ontario,CA
Ontario Smiles Dentistry and Orthodontics
Accepting new patients
BUSINESS HOURS
- Mon : 9:00 AM - 6:00 PM
- Tue : 8:00 AM - 5:00 PM
- Wed : 8:00 AM - 5:00 PM
- Thu : 8:00 AM - 5:00 PM
- Fri : 8:00 AM - 4:00 PM
- Sat : 8:00 AM - 12:00 PM
- Sun : Closed
- We are open on select Saturdays by appointment only. We also have Specialists that come to our office on specific days throughout the month. Give our office a call to schedule an appointment! Ontario Smiles Dentistry Saturdays by appointment only.
LANGUAGE SPOKEN
- English
- Spanish
INSURANCE
We accept and honor most dental insurance plans (PPO & HMO). The following are just a few of the dental insurance carriers we’re providers for:
- Aetna
- Ameritas
- Anthem Blue Cross
- Cigna
- Delta
- Guardian
- MetLife
- United Health Care
- UCCI
Dental Services
274 Google Reviews
4.5 Overall Rating
Amazing staff!
Such a great experience! They were very patient with me!
Went over tooth X-rays and Doctor Loomba recommended to brush teeth continuously as to prevent future cavities. Also took the time to routine clean up using proper dental tools and took her suggestion to utilize their fluoride treatment. Finally…
Staff is very friendly. Dr. Libpti is very knowledgeable. Thank you!
Doctors are soo good!
I had a great experience at Ontario Smiles Dentistry and Orthodontics! I initially went in for a standard cleaning, but Dr. Loomba and her team took the time to thoroughly assess my dental health and informed me that additional work was needed…
Great care and really nice staff
Subject: Thank You for Your Exceptional Care Dear Dr. Loonba I just wanted to take a moment to sincerely thank you for the gentle care you provided during my visit. After my past trauma with my prior office, I was a bit apprehensive, but your…
Very happy with this dentistry. Happy, friendly staff that explains everything with detail. Very informative in an easy way to understand. Appointments are very easy to schedule and office is very clean.
I had a good experience here I received welcome and comfortability from Mike and dr loomba and a big help with financial plannings
I had a great experience. Jasmin was amazing. I highly recommend.
Great service from Mike & Dr Loomba!
Dr. Dipti Loomba and Mike are very helpful and make you feel comfortable,always a pleasure coming back to get my teeth checked. All staff here are very friendly.
Mike helped me and was very efficient with night gurad
Dr.Loomba and Dr.Mike are literally the best in town! Emily and Mary-Jane at the front desk are amazing. Very comfortable environment and professional dental work. Highly recommend!
Dr Loomba and Mike, have been extremely professional and courteous... They do a great job every time I come in...
Mike and Dr Loomba were fast and they are gearing up no complaints here
Very friendly and fast ! Thanks for all you do! Loomba and Mike
Mike and dr loomba were great, they were attentive and listened to my concerns. My teeth look better already! ☺️
One of the best dentist by far. I had a very bad experience before, coming here has been a drastic change in trust for me and my family. Dr. Loomba is truly amazing. With staff like Mike and Ilene you can’t go wrong.
Mike was great very helpful and knowledgeable of what I was getting done. Would highly recommend this place.
Mike was my technician and he was real informative and professional with me
Mike was very good and professional as well as Dr. .Loomba, no pain when getting procedures done, as this is a plus for getting work done, I would recommend trying this place out thank you.
Kaylie, doctor roommate, mike they were amazing and took good care of me and my tooth!!! Great staff.
Had a great experience with Dr Loomba and Mike. They were very friendly and made sure I left my appointment satisfied with my results.
Mike wonderful job
I Love my dentist... Dr Loomba is such a professional, I feel so confident in her hands and he team is the greatest!! Especially Emily!
I had Mike and he was super nice and explained everything he was doing.
Ontario Smiles is great. The staff is friendly, professional, and welcoming. The dentalteam are thorough, skilled, and genuinely care about their patients. My recent visit painless, and left me with a brighter smile. Highly recommend for…
I truly enjoy this dental office!! The staff is wonderful, caring & very professional!
Great dentist
Kaylie did an awesome job assisting and cleaning and applying my temp crown! She was very polite and explained everything very well!
Great service, clean teeth, not too crowded, great location.
Always great service with friendly staff. They make the dental going process very easy.
Extremely friendly staff, answered all my questions and I look forward to my next visit
I had a very pleasant experience at Ontario Smiles. Dr Loomba is very thorough and efficient. My entire process was explained to me without up pricing.
Cleaning from Mike Good
Staff very professional and courteous. Highly recommended
Staff was very friendly and helpful in explaining all of the work I need and what charges would be involved and doctor was very thorough in her examination and very helpful in answering all of my questions.
Came in for a quick appointment to pick up and adjust a retainer. Everyone is so jelpful especially Mike who helped me out and did a great job!
Staff was great
Mike was very quick and informative on the procedures I was having done today.
I’ve been seeing Dr. Loomba for years and even though I moved about an hour away, I still commute to see her. She’s very thorough and efficient. Also Mike did a great job cleaning my teeth today. Very kind and on top of it.
I love this ontario smiles. The staff is awesome and so helpfull. They went above and beyond to accomidate me when my partials was taking awhile to get in. I recommend this place to anyone one who is looking for a dental office who cares.
Dr loomba and Mike se Good
Dr Loomba and her assistant. Mike there great.
Dr Loomba & Mike provided a great professional experience on my 01/07/2025 visit. I’ve been coming here for 14 yrs. Love it thank you!
Dr. Lopmba and Mike were great. Very pleasant office.
Staff is very helpful and friendly. I would recommend Ontario Smiles to my friends and family
I had a great experience thanks mike and the rest of the doctors that was all involved.
Mike very professional, knows what he’s doing and is very knowledgeable on this line of work. Very fast as well.
Been coming here a long time, they are great with my kids! The wait times could be a little better but that happens sometimes! Overall good place!
Great dentist/ Mike was great.
Been here for over 20 years and they take care of me each time. I recommend them any day of the week
BEST OF THE BEST!! Ontario Smiles is the best of the best! Dr. Loomba and her entire staff are second to none! She is kind, patient, professional, thorough, friendly, and courteous. Her staff follows in her footsteps. I love how they move as…
Love these guys. Service is exceptional, but not as timely as one might expect, so I approach my appointments as me-time and try to not stress if things run late.
Awesome service. Friendly and always trying to accommodate. From Staff to Dr.’s always seem happy and polite. Thank you so much!
The staff at Ontario Smiles fit my 89 year old mother in for an appointment on short notice when she had a toothache. The staff was very gentle with her and treated her with the greatest respect. I have been a patient of theirs for a few years…
An absolute great experience! Highly recommend. The entire team was informative, helpful and kind. They squeezed me in to ensure my annual benefit was exhausted before the year ended, and they did so with a smile on their faces. Truly appreciate…
Very nice and happy to be with you Mike
I always have a very pleasant experience here. They have a friendly staff.
Always a pleasure coming here. Had issues at dentists office for years until I came to this location. They’ll work with the insurance to get the best possible options for you. Also not pushy about getting things done and are respectful of your…
The technician Michael was outstanding in providing service after there had been a scheduling problem in getting my teeth cleaned. Thanks Michael
I had a very great experience here everyone is so sweet & welcoming especially marsha and joselyn !
I have been seen by Dr Loomba for about 3 years. The front desk staff is very welcoming.I have advanced periodontal disease and I receive excellent care from her staff. They are very nice. Dr Loomba is knowledgeable and shows genuine concern for…
I wanted to leave a genuine review of what I think of this dental office. I brought up a concern to the dentist and the front office staff specifically Dr. Loomba, Emily, and Yaz. I was surprised by how responsive the staff was. An appointment…
A great place and a very good service by everyone.
Ontario Smiles have ALWAYS been the most FRIENDLIEST and KINDEST. From the front desk host to the xray worker to the hygienist and doctor. Dr. Loomba really cares about her patients. And Dental Hygienist and Mike is sooooo kind. Thank you for…
Ever since I came here two years ago I have had a great experience. Customer service is so supportive and kind. I truly appreciate it.
Mike was very helpful, knowledgeable, fast, and friendly. He made me feel comfortable throughout the process, while explaining the procedure.
Friendly and knowledgeable staff. They make the dental care process easy.
I recently visited my dentist, and I had a great experience. The staff was friendly and welcoming, which made me feel comfortable right away. The dentist was thorough in explaining the procedure and answered all my questions. Overall, it was a…
Mike was great. Doctors she awesome
Dr Loomba is awesome!! Kaely is so nice! I love this office took care of me during my visit when i was so scared and nervous! Love them!
I've been coming here my whole life! Amazing staff!
I've been coming here for years, the staff is very nice and helpful. Dr. Loomba has been my doctor for years very nice and professional. I couldn't see myself going anywhere else.
great service!
Love coming to Ontario Smiles! Dr. Loomba and her staff are all very friendly and welcoming. I have to add that every time I leave the dental office is without any dental pain and only smiles! Highly recommend coming to Ontario Smiles.
Dr. Loomba & Ilene took me in today. Ilene was extremely professional from the start of my appointment to the end. She was very welcoming and ensured I was 100% satisfied. Dr. Loomba performed my filling and I did not feel ANY pain. She ensured…
First time here. Great visit. Was able to get an appt quickly and Dr Loomba was really nice and clear and thorough when explaining my options for treatment. Thank you!
It took me a few visits to actually be seen because my P.C.P. Dr took so long filling out my clearance to have my dental work done. All is very good now. ☆☆☆☆☆
Very nice !
So kind, friendly and patient every time I come !
Great Doctors Explain the procedure every Step Of The Way, Great Front Desk Team. A+ For Neatness Aswell Very clean Office.
Terrific dentist, get a wonderful job on the Cleaning. I have always been very satisfied with their work. Very nice and friendly people too.
Dr. Loomba and her staff are very caring and gentle.The are all professional in every way.They make you feel comfortable and at ease.I have nofear recommending anyone to this dental office.
Great place staff is so nice and professional!
Best dentist ever i got love for everybody here, cant say that about any other dentist Just got a new hygienist named Bianca, i didn't think i could get a better hygienist than the last but she is just as good or better.
Ontario Smiles is the best! Highly recommended. The Dr is thorough and honest. Great feedback always!
The experience was amazing! I usually have a lot of anxiety about going to the dentist, but after this visit, I feel so much better. Dr. Dipti Loomba and Bianca Parra were incredibly understanding and made sure to keep me informed every step of…
I've been seeing Dr. Loomba and staff since 2015.. I'm finally posting my review. This office has always been kind, professional, affordable and always willing to help me with all my dental needs. Most recently I met the most helpful and caring…
Been coming here for about a year and have an enjoyable experience. I love that my dentist and orthodontist are all under the same roof. Makes my visits easier and more efficient. I appreciate that the staff and doctors are informative on what’s…
Amazing staff and the doctors are so gentle, always asking if you’re doing ok. I highly recommend this dental office.
Had a great experience at Ontario smiles. Appointments were on time & procedures went smoothly w/ constant communication and updates. Definitely coming back
First time here at this facility. The staff is very friendly and courteous. No pushy attitude is a big plus. Dr. Loomba is very nice. She takes care of carefully explain all the steps that needed to be done. I feel welcome and comfortable there.…
Great customer service & very nice staff! Had a great first time experience.
I’ve been coming here for 20 years. I’ve gone elsewhere due to convenience but always return. Even if that means driving 45 miles. when I’ve gone to other dentist they have been impressed with my dental work and it’s all because of Dr. Loomba.…
Good service, nice staff, and fast
Great place for dental. Period!!!
Dr. Loomba and everyone at Ontario smiles is amazing! I’ve been coming here for years and have referred several friends and family. I know that dental treatment can be daunting for many, especially if you’ve had to go periods of time without…
Very friendly and thorough. ♥️
Very happy with Dr loomba ! She took time explaining every procedure. I had to get another onlay and expressed that it’s unfortunate that I had to come back. Staff made the effort to make the permanent onlay today instead of waiting another week…
Feel really comfortable coming here, the staff is really respectful and professional and also friendly. The technology and quality of work is top of the line.
Been coming here for over 4 years now… They are always punctual with their appointments. Expectations are always surpassed, and attention to detail is great. Staff is super kind and helpful to answer questions and provide options to…
Have been going for half a year now and I really enjoy the team! Each time I go they’re super friendly and answer any of my concerns. I’m always seen and taken care of quickly. Grateful I found this place!
Doctor Loomba is amazing & has magical hands! I missed a few appointments over the years, but i have been going to this dentist for the past few years & always am taken care of. The hygienist, front desk staff, & the doctor's assistant's are…
Good service and they work payment plans with you
Always a pleasure at Ontario Smiles. Dr. Loomba and staff are amazing. Highly recommended
Process was quick and easy definitely would recommend
This place is awesome! So fast and everyone is super nice!
Great service and super friendly. I highly recommend Hygienist Ramia she does a very great job
Been coming here for years, services has been great.
Great experience!
Been going here for almost a year and it's been a good experience. The ladies at the front are really nice and helpful. Ramia is the hygienist I go to and she is really thorough, professional, and pleasant. They also use the MyChart app which…
They are great. My doctor did deep cleaning and she was nice and explained everything with patience
This place is great for a first timer like myself everyone was very polite and helpful and answered all my questions I had. To all who worked on my teeth and to the staff I thank you for being great and kind with making my experience perfect!
The staff is very professional and friendly. I love that I can get everything done at one location. They use very up to date procedures. They are the best!!
Everyone here is amazing and friendly .they help me through my fear ., I am very grateful for your understanding and patience.,
From dental cleaning to root canal, and Crown, I was provided with great services and care from the whole staff aT Ontario Smile. Everyone was very accommodating and empathetic. They even helped me figure out the financial option that worked for…
I’ve been coming here for years! Staff are so friendly and helpful. It’s also very easy to change appointments. I have no complaints.
Had the best experience visiting here, everyone is so friendly and welcoming. I was super scared as I hadn’t been to a dentist in soooo sooo long, as I am typing this still sitting here on the chair I couldn’t be anymore happier and calm. The…
Excellent service
This is my second time going and having work done. Dr Loomba is special! She has a gentle approach and a very professional office. I had major work done both times and she did a wonderful job. You can tell she strives for perfection and…
Amazing friendly staff!!! Called because I had an emergency and they were able to take me in on the same day. They are really opened on Saturday. Definitely finishing my treatment here and I will be bringing my family as well. Thanks Marsha
I had a great visit at Ontario Smiles Dentistry. Everyone was very kind, and worked with me patiently on my options for treatment.
Amazing staff. Had a very loose tooth causing discomfort. I’m from out of town and a trucker, so hard to be seen out on the road. They got me in right away and taken care of.
I've been coming to Dr. Loomba for years, she's wonderful and her staff is friendly. Highly recommended.
I have my whole family here and we love how friendly the staff is. I came to see Dr. Ramia to do a deep cleaning and she did a fantastic job! We've been coming here for a couple of years now and we see that they care a lot for their patients!
Dr. Yoon was the bomb dentist. She is so nice and friendly and does a wonderful job. Marsha was great too! This is a great place to get your teeth taken care of. Made me feel less anxious about the procedures. Thank you 😊
Love this place. The staff are all very kind and helpful. I've had 5 hour sessions of drilling, cementing, and scraping at this office and managed to actually have a good time. 5 stars all around. Edit to include names: Ilena, Ramia, Dr.…
Amazing dental office got me in fast and easy perfect office to start with environment and care is excellent
Tech, Maria was very helpful and pleasant. Enjoyed all the experience from front office with the appointment text reminders and all the doctor advice. Be kind to all
Excellent people at this office!
Love em! My dentist Ramia! She cares! Appriciate her very much! My first dentist and hoping to be my last!
Love their customer service. Dr. pays attention to my concerns and addresses them. Always a great experience
Ontario Smiles has been my dental care place for many year’s. I used to have such a hard time finding a dentist where I felt understood, safe and cared for. I stayed with Ontario Smile’s once I found that Ontario Smiles fulfills all my dental…
Love this place. They are very good at explaining what is going on in my mouth and what they are looking for. Lets me know they are well versed and really know what they’re talking about.
Clean and very friendly great service
Great service people verify nice and undesirable…👍
The entire staff at Ontario smiles is truly the best and let me tell you I have experience with dentists! (Poor genetics). They are experts at what they do but I have to give the cake to Maria (Mari). She is AMAZING. Made me feel sooo welcomed,…
Outstanding service from Emily and Dr.Loomba! The BEST Dentist in town😬
Amazing experience. Very welcoming. Very timely and organized. Whole office was on one page. Very pleasant
BEST dentist I've ever been to! I used to be the type of person who couldn't even step foot in a dentist's office without having a panic attack, but the staff at this office made me feel so safe, comfortable, and cared for. I have had several…
Fast and Easy. Appointment are done quickly and correct. All the workers are professional and kind.
Wonderful experience. Super polite Dr and coworkers.
Everyone was super friendly and nice. My daughter was a little scared but Maria was super awesome with her, she explained everything she was going to do to her. Made my daughter feel comfortable.
Very friendly and helpful. I struggle with anxiety especially with doctors but I left feeling that I am in good hands
I love this dentist! The Dr is so kind and the office is clean! Marsha and Mariela are the sweetest. I'm normally so terrified of the dentist and they just make me so comfortable.
Awesome time today with Mrs. Maria and Dr. Loomba.
Very polite and cooperative and was able to get me in and out quickly
Today was my first time here, and let me tell you that I had one of the best dentist experience I’ve had in a long time. I was treated with kindness from beginning to end. Marcia is so sweet! She helped me through the sign in process and…
Maria helped me with X-rays while running from room to room so thankful for her help
Amazing staff members, kind and always willing to work with my schedule, all my family attend this location and I highly recommended to friends and Family! Ramia (Hygienist) goes above and beyond to deep clean my teeth, Believe me once you get…
Great place to get a teeth cleaning. Great Service.
My entire experience here has been 5 ⭐️ From Mariela at the front desk to the Dental assistant Eileen (who by the way is very kind and informative and thorough) as well as the dental hygienist, the actual dentist Dr. Loomba and all of her…
I get really anxious about going to the dentist, but the team here is so amazing and they always make sure I feel safe and heard. They definitely advocate for me every time! Such a great team!
Took me at the very last minute the day after this last Christmas and took care of me or rather took care of my tooth that was killing me. Very professional very polite and did great work.
My experience was excellent and painless I am very happy
If you’re ever in need of a dentist office. This office is the place to go. The staff is great, customer service is a 10 . My dentist was very patient she explained everything step by step with me. I went in so nervous from a bad experience at…
Thank you for the help and great team in Ontario.
The office was so friend and the dentist walked through any issue with pictures to jell explain what was going on
Excellent staff. Accommodated my schedule. No pain!
Doctor is very attentive to your dental needs. She makes it an issue to go over the procedures. Offers payment plans that affordable. I highly recommend.
Professional specialist, staff and office manager. They try to accommodate you to the best of their ability. Sometimes in Saturday for full time workers is a relief. High quality services, trustworthy denstist and hygienists. We are glad to have…
Good place to get my teeth cleaned and checked up
This is my first visit here and i've never felt more comfortable at any dental office than here. All the staff were very friendly and helpful. Dr. Loomba listened to my concerns and took the time to explain things to me. Nick the office…
Have been going to Ontario Smile for many years and they are very professional and do great work. Would recommend to everyone. Thanks for great service
Never thought I would ever say this I don’t mind coming to this dentist office. I would give them a 5 star rating but the wait time seems to be getting worse from when I started coming here 2 years ago. Overall everyone has great customer…
Great overall experience! Highly Recommend
Great customer service at the front desk. I have been bringing my mother here for a few months and the Dr. has really been great. I work on weekdays so it has been hard to bring my mother during the week for an appointment and so the Dr. offered…
Loved coming to this office ! Great Doctor and Staff, they all really are concerned of your needs and are very helpful .
Clean facility and friendly personnel
At smiles dental that are considerate and they try to go above and beyond to make you happy and my daughter got her first root cornel and she said it was pain free..
Awesome dentist we were late and still seen us very welcoming easy financing and reasonable payments
My experience is always great at Ontario Smiles. Carlos and Dr. Loomba are awesome! I definitely recommend this office.
I've had anxiety about going to the dentist for years but Dr Loomba, Carlos, Brenda and staff have been so friendly, gentle and patient with me. Wish I'd come here years ago!
It was a really great experience, the staff was great specially Carlos and Brenda they have great knowledge and they helped me alot thank you guys..
First time visiting this office, all of the staff was very pleasant and helpful. Carlos and Jaycia walked me thru every procedure and explained all of my treatments to me which helped calm my nerves for the process. Usually I dread going to the…
great service .
On my first visit to the dental office, Dr. Sandu and Robyn Johnson where amazing. They were so courteous and rofessional. I was at ease the entire time I was there. They work they did was awesome. I am so pleased with them that I am moving my…
Dr. Gill is an artist at her craft. But the staff is amazing and professional. Carlos A was more than hospitable he went above and beyond. Also while he was doing my x-ray another patient of his came to say thank you. As a manager of a…
I am an over the road trucker that woke up with a chipped tooth this morning. I called into the office and instantly felt like I was a regular customer. I was treated so nicely that I knew I had made the right choice right away. Upon arrival, I…
I really enjoyed my first time visit here at the Dental Office, Carlos made me feel secure and comfortable explained every process with professionalism and the office team made me feel welcome. Doctor Lima was really professional about her work.…
Great service good prices great staff Carlos was very helpful and dr dipti loomba
This is office is awesome! I like how the assistant Jasmine took care of my X-rays, Dr. Ram was very gentle and constantly asked how I was feeling. Carlos assisted as well and made sure my temporary crowns were perfect. Last but certainly not…
Friendly staff Carlos Dr loomba Renee Brenda Recommend this office !!
Ontario Smiles is amazing!!! My second visit here and it was just like the first one. I want to thank the assistants Maria and Carlos for being so friendly and making sure I was taken care of. Dr. Gill and OM Renee is so awesome!!
Excellent place! Office girls, doctors and staff are extremely friendly, professional and competent. I recommend this dentist.
Very friendly, great doctors!
The staff was very friendly. The employees look like they love their jobs. The dentist was very professional. I will recommend this office to all my family members. Thank you Ontario Smiles
Appointment today was fine. Deep cleaning was not as bsd as i thought it would be. Everyone were very friendly .
Everyone is very polite and courteous and especially Alma was very helpful.
Carlos did an OUTSTANDING job making my onlays for my teeth, they fit perfect! Best dentist in California 😬
Great experience! The staff is so helpful and nice .
I have good customer service, and the dentist have been awesome with my kids too.
Made an appointment to be seen on same day for a painful wisdom tooth than needed to be looked at. I was treated very well from start to finish and they explained every step clearly from the X-Rays to getting the tooth pulled (instant…