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Welcome to Smiles+Grins Orthodontics & Pediatric Dentist, at 160 E 88th St #1D in Upper East Side, Manhattan. Orthodontics and clear aligners in Upper East Side.
Treatments: Cosmetic Dentistry and Invisalign & Clear Aligners.
Open Monday to Saturday, closed Sunday.
Rated 4.9 from 681 Google reviews, at or above the 4.7 average for the 191 practices we list in Upper East Side.
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Free to claim. Quick phone verification.We had such a great first experience with Dr. Liel Grinbaum for our 18 month old this past weekend. From the moment we walked in, the office was beautiful, welcoming, and clearly designed with little ones in mind - toys, TVs, and a calm, kid-friendly environment.
Dr. Grinbaum and his entire team were incredibly kind, patient, and gentle. They took their time, made everything feel easy and comfortable, and were so thoughtful in how they interacted with our daughter. It truly made all the difference for a first dental visit.
Couldn’t recommend them more for any parents with babies or young kids - such a positive experience!
I started treatment with Dr. Karin Grinbaum back in 2020, and it took 6+ years to finish — but I can't say enough about how worth it it was.
Some backstory: I had braces as a teenager, and that treatment didn't go well - I ended up with crowns, was never given retainers, and was left with a gap between my front teeth that I had to keep filling. My teeth were always my worst nightmare.
Once I told all of this to Dr. Grinbaum, everything changed. My teeth are beautiful now.
The best part about her is that she truly knows what she's doing — amazing talent. She really listens and suggests the best options based on what you can actually do. I got tired in the middle of six years of treatment, but she never did. She's a perfectionist, and my case was complicated — wisdom teeth removal in between, crown replacements, veneers by choice — but she never, ever gave up. That's the best trait a doctor can have.
I highly recommend her and the facility to anyone, any day. 10/10!
I can't recommend Dr. Grinbaum and the team at Smiles + Grins highly enough. I recently finished my Invisalign treatment, and I couldn't be happier with the results. From my very first appointment through my final visit, Dr. Grinbaum was incredibly patient, thorough, and attentive. She took the time to answer every question, explain each step of the process, and made sure I was comfortable and confident throughout my treatment.
The entire office is exceptional. Every member of the Smiles + Grins team is warm, welcoming, kind, and genuinely invested in making each visit a positive experience. They were always flexible, accommodating, and helpful with scheduling and any questions that came up along the way.
What impressed me most was the attention to detail and the commitment to achieving the best possible outcome. I never felt rushed, and it was clear that Dr. Grinbaum truly cares about her patients and takes great pride in her work. My smile turned out even better than I had hoped, and I receive compliments on it all the time.
If you're considering Invisalign or orthodontic treatment, I wholeheartedly recommend Dr. Grinbaum and the entire team at Smiles + Grins. They provide outstanding care, and I am so grateful for the experience and thrilled with my new smile.
STAY AWAY FROM DR GRINBAUM.
My husband who is a doctor took my 6 year old son to see him last week to have a spacer put into his mouth after a tooth was pulled and this dentist recommended a spacer so his teeth do not shift. This dentist charged almost 2000 dollars.
Unfortunately we had to rush after to get an EMERGENCY xray because DR GRINBAUM dropped the METAL SPACER with prongs down my son's throat. He was CHOKING AND GAGGING and Dr Grinbaum stood there saying he has never seen this before. The xray shows it is still in his body and we will have to monitor him with xrays and possible colonoscopy. Dr Grinbaum DID NOT help my husband find a place to get emergency xrays. He was EXTREMELY NEGLIGENT in not having any safety precautions in place for a child swallowing a SHARP device and lying them flat down with a possibility of choking. We are monitoring this situation and WE are HORRIFIED with the lack of COMPASSION, ACCOUNTABILITY and COMMUNICATION.
Excellent experience with Dr Grinbaum and the entire staff at smiles + grin! Took my 2yo daughter here for her first pediatric appointment - she was very nervous and they did such a great job making her feel at ease. They had stuffed animals when she was asking for her stuffy (that I accidentally left at home), distractions throughout and they were so patient and reassuring all around. By the end they somehow got her comfortable with instruments in her mouth and even talking about the dentist fondly by the time we left (very impressive). The staff were all lovely and dr Grinbaum was very knowledgeable and all around great. My husband took older daughter here in the past for an emergency visit and had a great experience too - he helped save her tooth and stayed late to see her to ensure she was properly taken care of. Highly recommend!
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