About .Keep Smiling Dental · Belleville
Keep Smiling Dental PC is a family and cosmetic dental practice located at 567 Washington Ave in Belleville, New Jersey, serving patients of all ages throughout Essex County. Founded in 2021, the office is led by Dr. Elizabeth Sandoval, DMD and Dr. Frouzandeh Mahdi, DMD, alongside associates including Dr. Nunez, Dr. Sutton and Dr. Mike. The practice combines general, cosmetic, restorative and emergency dentistry — including Botox, dental implants, veneers, crowns, bridges, dentures and full-mouth reconstruction — in a wheelchair-accessible, LGBTQ+ friendly setting that is identified as both Latino-owned and women-owned.
Keep Smiling Dental PC is a Belleville, New Jersey-based dental practice that opened in 2021 and has quickly become a trusted option for families across Essex County. The office is led by Dr. Elizabeth Sandoval, DMD — a Montclair State University graduate who earned her dental degree at Rutgers Biomedical and Health Sciences University (formerly UMDNJ) in Newark and completed a residency at St. Joseph Regional Medical Center in Paterson — and Dr. Frouzandeh Mahdi, DMD, a UMDNJ-trained general dentist with four decades in private practice. Together with associates including Dr. Nunez, Dr. Sutton and Dr. Mike, they provide a comprehensive range of services that spans preventive cleanings and checkups, cosmetic dentistry, dental implants, dentures, veneers, crowns and bridges, root canals, bonding, teeth whitening, smile makeovers, full-mouth reconstruction, Botox for cosmetic and TMJ/bruxism relief, and emergency dentistry for knocked-out, chipped or injured teeth. The practice distinguishes itself by being identified as both Latino-owned and women-owned, and it explicitly positions itself as an LGBTQ+ friendly and transgender safespace with a wheelchair-accessible entrance, parking lot and restroom. Patients highlight the bilingual front-desk team (Spanish and English), the clean and welcoming environment, and the willingness of the dentists to listen, explain options and pursue conservative treatment. Keep Smiling Dental PC accepts American Express, Cash, Check, Discover, MasterCard, Visa, debit cards and NFC mobile payments, works with a wide variety of insurance plans, and offers promotional deals through Groupon. It serves patients from Belleville, Bloomfield, Nutley, North Arlington and Kearny. Reviews on third-party listings average 4.9 out of 5 across 68 user reviews, with frequent praise for Dr. Sandoval and Dr. Nunez.
- In business
- Established 2021
- Owner
- Dr. Elizabeth Sandoval, DMD (lead dentist; practice identified as Latino-owned and women-owned)
- Serves
- Belleville, Bloomfield, Nutley, North Arlington and Kearny (Essex County, New Jersey)
- Rating
- 4.9 average across 68 user reviews on third-party listings; 5.0 on Groupon (2 reviews)
About Keep Smiling Dental PC
Keep Smiling Dental PC is a Belleville-based family dentist practice that treats patients of all ages and is committed to delivering high-quality dental care using advanced dental equipment. The office is described on its own website as a cosmetic dentist offering checkups, teeth cleaning, crowns and veneers, and as a provider of emergency dental services that include bonding, root canals, crowns and bridges. Dr. Sandoval & Associates invite new and returning patients to call (908) 425-4051 to schedule an appointment and experience why patients consider Keep Smiling Dental PC among the best dentists in Belleville.
- Belleville-based family dentist practice
- Treats patients of all ages
- Founded/established in 2021
- Phone: (908) 425-4051
- Identifies as Latino-owned and women-owned
- Identifies as LGBTQ+ friendly and a transgender safespace
Meet the Dentists
The practice is led by two principal dentists and supported by a team of associates who round out its clinical offerings.
Dr. Elizabeth Sandoval, DMD
Elizabeth Sandoval, DMD, is a general dentist at Keep Smiling Dental PC serving people of all ages in Belleville and throughout Essex County. She began her professional education at Montclair State University, where she earned her Bachelor of Arts, and subsequently obtained her Doctor of Medicine in Dentistry at Rutgers Biomedical and Health Sciences University (formerly UMDNJ) in Newark. Before entering private practice she completed a residency at St. Joseph Regional Medical Center in Paterson, New Jersey. Her honors include the New Jersey Leadership Award and the Hispanic Achievements Award. Dr. Sandoval stays current through continuing education, collaborates with colleagues, and emphasizes patient education and shared decision-making.
- General dentist treating patients of all ages
- BA, Montclair State University
- DMD, Rutgers Biomedical and Health Sciences University (formerly UMDNJ), Newark
- Residency, St. Joseph Regional Medical Center, Paterson, NJ
- New Jersey Leadership Award
- Hispanic Achievements Award
Dr. Frouzandeh Mahdi, DMD
Frouzandeh Mahdi, DMD, is a general dentist practicing at Keep Smiling Dental PC in Belleville. She provides advice on proper brushing, flossing, cleaning and gum health to patients of all ages and is available for emergency dentistry situations including knocked-out teeth, sports injuries and chipped teeth. Dr. Mahdi has been in private practice for forty years, offers general dentistry checkups and cleanings as well as cosmetic services including crowns, implants, dentures and veneers, and earned her DMD at the University of Medicine and Dentistry of New Jersey in Newark.
- General dentist
- 40+ years in private practice
- DMD, University of Medicine and Dentistry of New Jersey, Newark
- Available for emergency dentistry
Associate Dentists & Team
Patient reviews and the practice's own testimonials also reference associate providers Dr. Nunez, Dr. Sutton and Dr. Mike, who are frequently praised for being thorough, gentle and attentive. The bilingual front-desk team supports both English- and Spanish-speaking patients.
- Dr. Nunez — frequently praised in reviews for thorough, compassionate care
- Dr. Sutton — noted for thoughtful, conservative treatment
- Dr. Mike — praised for caring manner and sense of humor
- Bilingual front-desk team (English and Spanish)
Dental Services
Keep Smiling Dental PC provides a wide variety of dental services and procedures to address patients' dental health needs, combining quality patient care with up-to-date technology so that patients of all ages can be treated in a comfortable and relaxing setting. The practice website groups its services under Routine Dental Care, Cosmetic Dental Services, Denture Services and Dental Implant Services.
- Routine dental care
- Cosmetic dental services
- Denture services
- Dental implant services
Routine & Preventive Dentistry
Whether patients need preventative care, restorative solutions or a smile makeover, the team helps meet oral healthcare needs. Routine care includes checkups, professional teeth cleanings, oral hygiene education and pediatric dentistry for children.
- Dental checkups
- Professional teeth cleaning
- Oral hygiene and preventive education
- Pediatric dentistry
Cosmetic Dentistry
Cosmetic dental care enhances the appearance of the teeth while also benefiting oral health. The team can adjust the brightness, shape and size of teeth and can straighten teeth or repair damage, including replacing missing teeth, without hindering normal function.
- Teeth whitening
- Porcelain veneers
- Dental bonding
- Smile makeovers
- Full-mouth reconstruction
Restorative Dentistry
The practice restores damaged or missing teeth with crowns, bridges, dentures, root canals and implants. Emergency services cover bonding, root canals, crowns and bridges as well as urgent care for knocked-out or chipped teeth and sports injuries.
- Dental crowns
- Dental bridges
- Root canal therapy
- Tooth extractions
- Dentures (full and partial)
- Emergency dental care
Dental Implants
Implant services include an overview of candidacy, the implant procedure, options for replacing missing teeth and post-operative care. Dr. Mahdi in particular provides implant placement and restoration.
- Am I a Candidate for Dental Implants
- Dental Implants Overview
- Options for Replacing Missing Teeth
- Post-Op Care for Dental Implants
- The Dental Implant Procedure
Botox Treatment
Keep Smiling Dental PC offers Botox in the Belleville office as a non-surgical cosmetic treatment and to relieve TMJ and bruxism discomfort. Injections target forehead lines, crow's feet and frown lines around the mouth, take 15–30 minutes per appointment, and have clinical effects within one to four days. Botox is also FDA-approved for chronic migraines, eyelid spasms, hyperhidrosis and cervical dystonia. Results typically last three to twelve months, with top-up appointments recommended around every three to four months.
- Cosmetic wrinkle reduction (forehead lines, crow's feet, frown lines)
- TMJ and bruxism pain relief
- Treatment for chronic migraines, eyelid spasms, hyperhidrosis, cervical dystonia
- In-office injections, 15–30 minutes
Patient Experience & Accessibility
The practice emphasizes a welcoming, comfortable environment for patients of every background. The facility is fully wheelchair accessible at the entrance, parking lot and restroom, and the practice identifies itself as LGBTQ+ friendly and a transgender safespace. Reviews repeatedly mention the friendly front-desk staff, bilingual service in Spanish and English, and a clean, organized office.
- Wheelchair-accessible entrance, parking lot and restroom
- LGBTQ+ friendly / transgender safespace
- Latino-owned and women-owned
- Bilingual staff (English and Spanish)
- Comfortable, relaxing environment for anxious patients
Insurance, Payments & Promotions
Keep Smiling Dental PC is positioned as an affordable family dentist that accepts a variety of insurance plans and payment options so that quality dental care is accessible. The office also runs promotions through Groupon.
- Accepts American Express, Cash, Check, Discover, MasterCard, Visa
- Accepts Credit Cards, Debit Cards and NFC mobile payments
- Works with a variety of insurance plans
- Promotional deals available via Groupon
Contact & Location
The office is located on Washington Avenue in Belleville with convenient parking beside the building. New patients can request an appointment online or by phone.
- Address: 567 Washington Ave, Belleville, NJ 07109
- Phone: (908) 425-4051
- Website: https://www.keepsmilingdentalpc.com/
- Online appointment request form available
- Parking available beside the building
Office Hours
The official site lists weekday hours from 9:00 AM to 5:00 PM, with the office closed on weekends. Some third-party listings show 8:00 AM to 5:00 PM weekdays. Patients should call to confirm.
- Monday: 9:00 AM – 5:00 PM
- Tuesday: 9:00 AM – 5:00 PM
- Wednesday: 9:00 AM – 5:00 PM
- Thursday: 9:00 AM – 5:00 PM
- Friday: 9:00 AM – 5:00 PM
- Saturday: Closed
- Sunday: Closed
Patient Reviews & Testimonials
The practice averages 4.9 stars across 68 user reviews on third-party listings, with Groupon reviews at 5.0. Common themes in testimonials include compassionate dentists (especially Dr. Sandoval and Dr. Nunez), gentle explanations of procedures, clean and hygienic office, bilingual front-desk staff, affordable pricing with insurance and Groupon options, and complimentary take-home teeth-cleaning kits at the end of visits.
- 4.9/5 average across 68 reviews on lp-dentistry.com
- 5.0/5 on Groupon (2 verified reviews)
- Praised: Dr. Sandoval, Dr. Nunez, Dr. Sutton, Dr. Mike, bilingual front desk
- Frequent mention of clean, organized, welcoming office
- Take-home teeth-cleaning kit given to patients