Costello And DeHart Dental Excellence
Ernest Costello, DDS:
Practice Profile Page

Ernest-Costello-dentist
Costello And DeHart Dental Excellence
Arlington Heights, IL

★★★★★

35 REVIEWS
0 BEFORE & AFTER PHOTOS

SKIP TO FOLLOWING SECTION:

DENTAL TREATMENTS I OFFER MY CLEAR ALIGNER SERVICES MY OFFICE HOURS SCHEDULE YOUR APPOINTMENT ONLINE BEFORE & AFTER PHOTO GALLERY MY TOP PATIENT REVIEWS GET TO KNOW ME BETTER

DENTAL TREATMENTS OFFERED

A list of major dental treatments which I offer my patients:

Dental cleaning

White fillings

Crowns

Inlays & onlays

Bridges

Clear aligners

Porcelain veneers

Teeth whitening

Dentures & partials

Root canal treatment

Tooth extraction

TMJ treatment

Dental implants

CLEAR ALIGNER SERVICES

OFFICE HOURS

Monday: 8:00 am to 6:00 pm

Tuesday: 8:00 am to 6:00 pm

Wednesday: 8:00 am to 6:00 pm

Thursday: 8:00 am to 6:00 pm

Friday: 8:00 am to 2:00 pm

Saturday: 8:00 am to 2:00 pm

Sunday: Closed

SCHEDULE YOUR APPOINTMENT

BEFORE & AFTER PHOTO GALLERY

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COMING SOON

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PATIENT REVIEWS

Check out what some of our happy patients are saying about us:

★★★★★

I’ve been a patient here for years and even though this is a really long commute for me I don’t know if I could ever have another dentist unless I really have to. Not only the staff here is really nice, friendly and welcoming, Dr. Ernest Costello is a great dentist, the new office space is great and very modern and they’ll always cater to your availability. Like I mentioned even though I don’t live in Arlington Heights anymore I wouldn’t mind driving back when I have an appointment with them. It’s really hard to find a Dentist that you like.

★★★★★

I have been coming here for many years, Costello Dental are professional and extremely knowledgeable. They have the latest technologies that are so impressive and whenever I come in they provide such quality and personable care. They want to know how you’ve been and they especially listen if there is anything wrong. They are very detail oriented. Kudos to Dr. Ernie, Anne Marie and Margaret!

★★★★★

I work for an office that refers patients to this office and after going in myself for a cleaning, I wouldn’t recommend anywhere else! The doctors and team as a whole are awesome! Very knowledgeable, friendly, and treat you like you’re part of the family!

★★★★★

I have a physical condition which prevents me from opening my mouth very wide and had a tooth all the way in the back in desperate need of extraction. My mother suggested I contact Costello Dental Excellence because the doctors and staff were friendly, compassionate, and understanding. She couldn’t have been more right. I was overwhelmed by the hospitality and genuine concern for my welfare upon meeting Dr. Ernie Costello and all those around him. I was sincerely touched. The extraction was extremely difficult but not once did I feel as though I was a burden because Dr. Costello and his assistant reassured me otherwise throughout. I feel extremely lucky to have been directed to Costello Dental Excellence and highly recommend this facility to anyone in need. Thanks Dr. Costello and everyone on the staff. You guys rock!

★★★★★

This was my second visit to Costello & DeHart Dental Excellence. My first was for a cleaning, and my second was a small repair to a tooth. Everyone I met was kind, professional, and personable. They do good work and treat their patients with great care. Dr. Ernie not only does good work, but he has a great sense of humor. He’s very easy to talk to. I felt comfortable being there even in the age of CoVid. They make sure that everything you touch is clean and up to top standards for the pandemic. I heartily recommend them.

★★★★★

John has always been a great dentist. Then came his son and what can I say? The apple doesn’t fall far from the tree. They’re both very good at what they do. It also helps that they have accompanying staff who is just as good at what they do as John and Ernie are. I can’t think of many in the dental/medical profession who would take as much time to resolve insurance missteps as Liz has for me when the insurance company decided to not cover something they said they would. They all clearly care for their customers and rather than make the customer pay they take the time to keep insurance companies honest. They build long standing relationships with their clients and it’s obvious why after your first meeting with them.

★★★★★

I can’t say enough about this business! All good, of course. My step-daughter recommended them when we moved here and we have never looked back. My husband has issues and they have been so kind dealing with him. And I have issues as well, and so I go every 3 months. It’s all good

★★★★★

Very friendly, personable and professional. Fantastic state of the art office!! I do enjoy going to this office even though most of us hate going to the dentist. Staff is caring, knowlegable, remembers who you are along with being very helpful in accommodating appointments that works with your schedule! Love this Dental group!!

★★★★★

Love these guys. Dr. Ernie and Dr. Jay have walked me through terrible tooth issues and never fail. I inherited terrible teeth and they have solved all my problems. Especially Ernie, who if you are lucky may serenade you with a tune or two while he concentrates on a particular tooth. I especially appreciate that they work with you on a difficult issue and don’t give up until they have made it right. Thank you both, and your very personable staff.

★★★★★

John has always been a great dentist. Then came his son and what can I say? The apple doesn’t fall far from the tree. They’re both very good at what they do. It also helps that they have an accompanying staff who is just as good at what they do as John and Ernie are. I can’t think of many in the dental/medical profession who would take as much time to resolve insurance missteps as Liz has for me when the insurance company decided to not cover something they said they would. They all clearly care for their customers and rather than make the customer pay they take the time to keep insurance companies honest. They build long standing relationships with their clients and it’s obvious why after your first meeting with them.

★★★★★

My family has been going to Dr. Ernie Costello for over two years now, it’s been a great experience. Ernie and his staff always put you at ease and explain everything they are doing to ensure you understand all of your options. This is a long standing family business, and they really do care about their clients. I highly recommend them to anyone,.

★★★★★

I came to Costello Dental Excellence on a Saturday morning as an emergency patient. I had broken three teeth in a fall the previous day. From the first phone call to reception to find out if they could fit me in, I knew I was at the best place. With a trauma like that, there’s not much that can be done until swelling/inflammation subside, but Dr. John alleviated the majority of my fears and even made me laugh and smile despite the feeling that I’d never have my face or smile back to normal. He gave me advice about how to take care of myself for the next few months until they could start the assessment and repairs as well as how to work with my insurance to help get more covered than they otherwise might. Dr. Ernie took it from there and made my smile not just back to what it was, but better than it had ever been. The procedures were as comfortable as they could be and he constantly checked on me to make sure I was doing okay with all they were doing. Carly was with me from the first time I came in until I walked out with my new smile and she was like having a friend with you. She was sincere in her concern, honest in her opinions and comforting throughout the entire process. Terri was amazingly helpful with scheduling my appointments and Liz was fantastic at helping to work with my insurance/company, which takes the patience of a saint, and she did it all with a smile and such wholehearted appreciation for participation in the process. All in, the terrible event that led me to this wonderful office was made so much better by the incredible group of talented, kind and dedicated people that work there. I’m so thrilled to have found a new dental office and am happy to say they’re the best! THANK YOU THANK YOU THANK YOU!!!!

★★★★★

I’ve been a patient of Dr. Costello for many years. I moved to Madison, WI six years ago and early on tried a local dentist but ran into an emergency which they weren’t able to help me with immediately. I called Dr. Costello who made special arrangements to open his office and help me out. Since then, I travel from Madison, WI to have all my dental work done at Costello Dental Excellence because of the great service.

★★★★★

I had a not so great experience in the past at a different dentist and have needed a lot corrected since then. Dr. Ernie and his team have been nothing short of AMAZING! It was hard at first to trust another dentist after past issues however my father had been going to Costello Dental and reccommended them. I have been there for about the past 3 to 4 years and couldn’t be happier!! Ive had regular cleanings, fillings, root canals, crowns, a bridge and now extractions and bone graft and in the process of waiting to heal for two dental implants. Big or small Costello Dental has taken care of my issues and treated me with kindness, compassion, patience and they are extremely knowledgeable and passionate about what they do! They are fair with pricing and willing to help you out when needed. All of their staff is wonderful and you truly feel like one of their family. I would and have reccomended Costello Dental for anything as simple as a cleaning all the way to something more complex. So happy to have been referred there!

★★★★★

Dr. Costello and his staff comprise what i think is one of the best dental offices i have ever come across. they are kind, compassionate, and really do try their best to alleviate any fear associated with going to the dentist. i hadn’t been to the dentist in 8 years – and now going on my 4th year with Dr. Costello. would highly recommend them!!

★★★★★

I have a physical condition which prevents me from opening my mouth very wide and had a tooth all the way in the back in desperate need of extraction. My mother suggested I contact Costello Dental Excellence because the doctors and staff were friendly, compassionate, and understanding. She couldn’t have been more right. I was overwhelmed by the hospitality and genuine concern for my welfare upon meeting Dr. Ernie Costello and all those around him. I was sincerely touched. The extraction was extremely difficult but not once did I feel as though I was a burden because Dr. Costello and his assistant reassured me otherwise throughout. I feel extremely lucky to have been directed to Costello Dental Excellence and highly recommend this facility to anyone in need. Thanks Dr. Costello and everyone on the staff. You guys rock! 5 stars

★★★★★

I have been a patient of Dr. John and Ernie Costello for 4 years and have truly fallen in love with their genuine compassion. In the past 4 years I have gone from having a crooked smile, with multiple spots of painful decay to a healthy straight smile thanks to the amazing work of this team. I have learned to take care of my teeth properly and actually enjoy going to the dentist. His staff made it possible for me to afford the care I needed and worked with my busy student and night shift schedule. I have Recently moved to Oregon and still wish to continue to be a patient if insurance allows. The entire staff is AMAZING and I highly recommend them.

★★★★★

Been a patient for over 10 years. My children now are patients of Dr. Costello as well. It has been a wonderful experience every time I go there, it is like seeing old friends. They always ask about the family and I feel like I receive very individual treatment. Would highly recommend their services. They also have very modern technology and make everything PAIN FREE! Going to the dentist can actually be pleasant and fun.

★★★★★

I broke my filling on Sunday night and I called next morning to schedule an appointment thinking they could fit me in a week or two. Luckily, they were able to see me Monday afternoon. Wait time is close to nothing, beautiful office (very aesthetically pleasing), all of the team members are pleasant to talk too and of course Dr. DeHart did an amazing job on my filling. I’m definitely going to come back and I highly recommend this office to anyone who’s searching for a great dental place. 10/10

★★★★★

Thank you, Mary, for introducing me to the flossing device that makes it so convenient and easy to floss. I haven’t missed a day of flossing once in the morning and then again before bedtime. I appreciate all the help I can get with my issues and Costello Dental Excellence is always there to make sure it is done. Thank you.

★★★★★

Let’s be honest, no one likes to go to the dentist but it’s necessary to do. That being said Costello Dental is the best dentist office I have ever been to. The office staff is friendly and accommodating. The hygienists are very knowledgeable and don’t make you feel bad if you aren’t flossing enough. The office has later hours and are even open Saturday so you don’t have to worry about missing work. Their new office is comfortable and beautifully designed and the dental chairs even have massage buttons. It almost makes me forget how much I hate going to the dentist. I highly recommend Costello Dental.

★★★★★

I won’t go anywhere else! I see Dr. Ernie Costello and he is hands down the best! I admit to being a baby about going to the Dentist and he and the staff are always so kind and sincere. Dr. Ernie goes out of his way to make me as comfortable as possible. I have had a root canal done and fillings too. Both procedures went smoothly, although I was anxious, stressed out, and terrified. The entire staff goes above and beyond to help take care of their patients.

★★★★★

This dental office is excellent. From the moment you walk in you are treated with kindness. The staff is welcoming, knowledgeable, and makes sure you are well informed about what the customer’s dental procedures will be. The office is very clean and comfortable. I went back to work after my appointment and recommended this office to my colleagues. Thanks again Costello and Dehart staff!!

★★★★★

We had the best experience this morning. My three year old daughter, Caroline, was apprehensive about going to the dentist. The moment we walked in the door, everyone went above and beyond to make sure she was comfortable. The front desk, Anne Marie, and Dr. Ernie were all so friendly, caring, and patient. She cannot wait to go back! Thank you for everything. – Kate Leckenby Grubba

★★★★★

Dr E Costello is wonderful. I had to have a tooth removed and he was great at explaining what the process would be and if I needed anything after office hours to call his cell. I really wish I could get veneers at his office , I am so sure they would be beautiful. Just can not afford the $21,000 . I have wanted veneers since I was 19 yrs old. I guess, i will just continue taking pictures with out a real smile. But this office is great . Everyone is so friendly.

★★★★★

the other day i went in for a couple of fillings.  historically, i hate this, the worst thing ever……but this time, not a problem.  this was the first filling that i had done at this office.  Dr. Ernie Costello was my doctor and seriously knocked the cover off the ball.  answers questions, provides choices, makes you feel comfy, and did a great job.  in my opinion, just the right amount of numbing….not too much where i was drooling all day and not too little where i was in pain while in the chair.  lastly, and maybe most importantly, afterwards my bite was unchanged….in the past, i will have to chew strangely until i wear down the subject filling and things fit right.  not this time, great aftermath.  thanks.

★★★★★

I have always had a very positive experience at Costello Dental Excellence! Everyone is greeted with a warm welcome and I always feel like I am treated with respect and compassion. The staff know each patient and treat them like family, it really is a comfortable and friendly atmosphere. Not only does Costello Dental stand out for it’s friendliness, but I feel that John and Ernie and the staff do an extremely thorough job and are attentive to my comfort and needs throughout the cleaning or procedure. I would highly recommend Costello Dental!

★★★★★

I’ve been going to Costello Dental since I was ten. That makes it 44 years so far for me with this special practice! I started with Dr. John in 1974 and now am happy to see his son, Dr. Ernie, as well. Recently Dr. DeHart fixed a few of my teeth, too. I’ve always felt more like a family member than customer here. In fact, with 2 preventative visits a year, I see them more often than much of my own family! I would highly recommend them to anyone, especially if you are nervous when it come to seeing a dentist. They are very caring, compassionate, gentle & patient. If I could give more than 5 stars, I would!

★★★★★

I’ve been going to Costello dental excellence for many years and have yet to be disappointed in anyway. From the dental hygienists to the dentist themselves nothing but professionalism and kindness. Dr. Ernie’s work is excellent. He explains his procedures and he is gentle in his approach. If you’re looking for a dentist this is definitely the place to go. You can trust them with your dental health!

★★★★★

My family and I were looking for a new dentist closer to our home. This place is by far the best dentist office I have been to. The front office staff is so welcoming! The dental hygienist, Laura, made my son’s first visit so comfortable he even asked when he could go back. Dr. Ernie is extremely friendly and professional. So happy I found this practice!

★★★★★

Had my first visit after my wife took our kids there (who had a great exam experience btw). Had a warm welcome from the receptionist from the start, the staff were very kind and explained each procedure they were doing and what they were looking for, equipment and techniques are modern and an upgrade from where I came from (which was a place I really liked in the city). Dr. Costello seems to be part of the community… Overhead him taking to another patient about attending their kids lacrosse game just cause he wanted to see the kid play. Pretty cool. Would highly recommend checking them out…I see my family here for a long time.

★★★★★

I have been going to this dental office for about 20 years. I have NEVER had a bad experience. This office is chock full of the nicest people you will ever meet! The dentists are masters at alleviating your pain and they all have a wonderful “bed side manner”. It feels more like your visiting family then going to the dentist. Highly recommend them!

★★★★★

Been going to Costello Dental for 10+ years. Love Drs Ernie, Trumfio and John and their wonderful staff. You’ll actually enjoy going to the dentist bc the people there are so nice. Dentists take the time to fully examine your mouth and listen to your concerns. They do a great job explaining dental problems and emphasizing prevention. 5 stars

★★★★★

Costello Dental Excellence is the absolute best dentist office no question! The minute I step into the office everyone is there to say hello, everyone is so polite and truly cares about the patient and their needs. I came in after going to a dentist I was unhappy with and was instantly satisfied with the work of this office. I would highly recommend Costello to anyone!

★★★★★

I’ve been a patient of Dr. Costello since I was a little kid. The warmth and care they provide is remarkable. They treat every patient as if they were a part of the family. I look forward to bringing my almost 2 year old son to them as soon as he’s ready. Thank you for 20+ years of excellent service!

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