Medically reviewed by Dr. James Ko

7 Common Oral Hygiene Mistakes and How To Avoid Them

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Many, if not most periodontal diseases are caused by not brushing your teeth enough, both in quantity and quality. We all know how annoying and painful the visit to the dentist for a procedure can be, and we would want to avoid it as much as we can.

Brushing your teeth regularly at least twice a day is fairly obvious, but it’s just as important to brush your teeth the right way.

Here, we will share the 7 most common brushing mistakes done by many of us, and how to fix them.

Let’s start with the first one.

1.Using the wrong toothbrush

When shopping for a toothbrush, we are often bombarded with all the different options promising “the best possible technologies for your oral hygiene”. Yet, using the wrong toothbrush can do you more harm than good, and especially damage the gum if you are not careful.

While there are so many different shapes, styles, sizes, and technologies from these toothbrushes, there are several main considerations

  • choose a head size that can reach all areas of your mouth, including the back molar teeth
  • Unless you have special needs, a soft-bristled brush is preferable to avoid unnecessary gum damage
  • For the type of handle, you can pick anything you are comfortable with. The toothbrush head size and bristle type are the most important considerations

It’s common to think that the harder the bristles, the more they’ll clean, but most dentists will say otherwise: choose a toothbrush with soft bristles to avoid gum injuries.

Read more: Advantages of dental bridges for missing teeth

2. Brushing too hard

Similar to the case about bristles, brushing harder isn’t necessarily better.

Scrubbing our teeth too hard is also one of the most common mistakes done by a lot of people, which is understandable since that’s the way it is with other similar cleaning activities: when we go hard at it, it cleans better.

However, plaque and food debris are relatively loose and soft, so hard scrubbing isn’t necessary most of the time.

Instead, think of toothbrushing as massaging your teeth: do it softly with just a little amount of pressure. Brushing too hard might damage your gums, and also the surfaces of your teeth that might lead to decay.

3. Forgetting the gum line

The gum line is an area where bacteria often accumulates, and yet also the area we often forget to brush.

We should brush the area just under the gum tissue, 1 to three millimeters under the gum. This is why we need a toothbrush with soft and flexible bristles that are able to bend.

To do this, hold the bush at a 45-degree angle just against the gumline, and use up-down strokes to softly. Also, don’t forget to brush your tongue, since this is also an area frequented by bacteria.

Last but not least, you should also cover the inside (tongue-side) parts of your teeth, as well as the gumline.

Bacteria and plaque accumulations on the gumline can lead to inflammation and various kinds of oral diseases, so don’t neglect this area of your mouth.

Read more: Best 4 reasons to look into cosmetic dental procedures

4. Not taking care of your toothbrush and replacing it often enough

Toothbrush

First, maintaining your toothbrush is actually pretty simple: simple rinse it with water after each use and let it air dry.

In most cases, avoid using a toothbrush cover since if not cleaned properly, the cover can be a place for bacteria to linger.

Also, another common mistake is not picking a new toothbrush quick enough. It’s often that people keep using the same toothbrush until they are at the dentist for one reason or another and are told to replace.

Using an old toothbrush can do you more harm than good, since old bristles won’t be as effective and might damage your gum if you’re not careful. In general, we should change our brush every couple of months or so, or when the bristles are visibly splaying outwards.

5. Not brushing the right way

Some people go strictly up and down with their brushing, some others brush in tiny circles, as well as other similar mistakes.

Admittedly, we often got these bad habits from dentists and oral hygienists, so the mistake is not always our own. The periodontal science is still evolving, and nowadays, the American Dental Association (ADA) recommends to first hold your toothbrush at a 45-degree angle to the gums, and then gently brush your teeth with a short back and forth motion.

Use this back and forth motion to brush both the inner and outer surfaces of the teeth, and switch to up and down motion for the front teeth while tilting the brush vertically.

Read more: Dental check up procedure

6. You brush too soon after a meal

It’s a common mistake to brush too soon just after we finished our meal, often through guilt after we ate too much, or some people just couldn’t wait to get rid of food remnants, especially when they are sticky or unpleasant.

However, after a meal, we often have acid sitting in our mouth, while our toothpastes are often made of abrasive materials . When combined, acid and abrasives can erode and damage your tooth.

So, wait at least 15 to 20 minutes so your saliva can naturally break down the acid before you brush.

If you absolutely need to brush, however, the alternative is to rinse out your mouth with water several times to get rid of some of that acid.

7. You brush too fast

Some people make the mistake of rushing through your brushing, which often occurs when we are in a hurry, like when we are late for school or work or when you are absolutely tired and just want to get on that bed.

However, brushing too fast will translate to not cleaning enough, and you might also injure your gum or teeth in the process if you are using fast stroking movements.

In general, brush twice a day for at least 2 minutes each time. You can use a timer, play a song that is around 2 minutes long, or even watch a video to make sure.

End Words

Brushing and flossing your teeth regularly can help maintain oral hygiene and avoid painful periodontal diseases. However, regular visits to the dentist every six months are still necessary, and dentists at Markham Smile Centre can make you feel at home in providing you with professional periodontal advice and treatments.

Andrea Galick

Andrea is a Registered Dental Hygienist who has transitioned into a leadership role as Regional Manager, bringing together her clinical background with a strong focus on practice growth, team development, and patient experience. She began her career in dental hygiene before moving into marketing and management during her pregnancy with her daughter, combining her passion for patient care with a talent for building systems and supporting team success.

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RK

Everyone here is very friendly and provides excellent care. I received a full exam on my first visit, and everyone took time to answer my questions and ensured I felt comfortable the entire time - exactly what you want when visiting the dentist. I highly recommend Markham Smile Centre for anyone looking for great dental care.

IP

There is an ample parking space before you get into the office. The receptionists welcome us friendly with proper COVID-19 procedures in place. The staff worked with patient very patiently and professionally. My teeth cleaning was done by Ying, she explained every detail to me and I did not feel any pain or uncomfortable at all. Thanks to the best team !

BL

It's been a while since I've been to a dentist but I'm trying to get back on track with health in general. Overall it was great going to Markham Smile Centre! The receptionist (I believe she was Kim) was friendly. The hygienist, Ying, was attentive and gentle during the cleaning; x-ray tech (forgot her name, sorry!) was great too. Dr. Sara Riad explained things with good detail. Looking forward to going back!

TN

I was someone who was nervous and anxious about visiting the dentist, but the team at Markham Smile Centre has made me feel SO comfortable. Kim is so patient and helpful and Dr. Hwang and Rory are both so professional and wonderful. They thoroughly explain the procedure to make you comfortable beforehand and are very gentle. I now look forward to visiting the dentist!

IC

I found this place on a whim when I was looking for a new dentist in Markham. My hygienist ying was super nice and her cleaning was very gentle yet thorough. I saw Dr.Jason and he was very nice and informative in regards to what needs to be done and provided me with all the information I needed to make a choice. Would recommend this place to anyone looking for a new dentist, they’re accepting new patients!!

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I have been to many dentists in my life, Dr. Jason is easily the best dentist I have ever been too. He does everything he can to make you comfortable no matter the procedure and is a true professional, as does all the staff at Markham Smile Centre. Truly an amazing dentistry

BA

The clinic was clean and the staff was very polite. I particularly liked the fact that everything was explained to me before going in for the procedure so I knew what to expect at each step. The dental hygienist who did the cleaning for me was also very gentle and took my concerns into consideration. I will definitely recommend them.

DN

Upon arriving to the Markham Smile Centre, my son and I were greeted with a warm welcome by the receptionists. The hygienists and Dentist were very gentle and transparent with what they were doing. The hygienist that worked on my 9 year old son was patient and very friendly with him, which helped ease his nerves. Our overall experience was A+.

JW

Since I was little, I have always hated going to the dentist... Its always uncomfortable and unpleasant. These days, visiting the dentist isn’t so bad! Dr Jason, Rory, and the lovely staff at reception make the experience 100x better. I have had absolutely no issues with the gum graft and cleanings that I’ve gotten done here. Everyone is incredibly friendly and helpful, even when I’m calling in or emailing a hundred questions :). I would highly recommend Markham Smile Centre.

KL

Love this place! All the staffs are friendly and Professional and I mean all, cause I've been to most of their office, Markham , Stouffville, North York, and Maple. Dr. Ko is very professional and patient. Whenever I have questions and concerns he would always reply me . I would say this this dental office take care of you all the way. I would highly recommend everyone to come here for any dental works. =)

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Joyce Lin
9 months ago
I want to preface my review with the context that I am very anxious during dental appointments. That being said, I want to thank the team at Markham Smile Centre for their care.

I have been seeing Susanne (the dental hygienist) for years. She is very gentle and accommodating to my sensitive front teeth, but I always leave with my teeth feeling thoroughly cleaned.

I recently had a fabulous experience with Dr. Rick and Erica (the dental assistant) for wisdom teeth extractions and a filling. You can tell they prioritize providing superior care. Dr. Rick was so gentle and did the extractions with almost no incisions. I had no swelling at all after the procedures. Needless to say, the filling was quick and extremely well done. I really appreciated that he took the time to explain every step and check in with me throughout. And a big thank you to Erica, who did an amazing job as well; I didn’t realize how big of a difference Bucky the stuffed Beaver would make!

And last but never least, thank you Annie and Jess for your kind greetings every visit. Your welcome smiles make a big difference.

Cheers and happy holidays!




Rishi Mistry
9 months ago
Absolutely amazing experience at the markham smile center! Dr. Camilla is genuine and gives her honest opinion on how to reach your dental goals. The entire team is awesome from the moment you step through the doors, would definitely recommend.
O B
9 months ago
Dr. Camila was truly exceptional. I’ve seen several dentists over the years and have always shared my insecurities and dislike of my smile, but she was the first who truly listened and genuinely cared. She took the time to understand my concerns and created a realistic, thoughtful treatment plan that felt achievable and tailored to me.

We’ve only just started this journey, yet the improvement after a single two-hour appointment was incredible. I walked in hating my smile and walked out unable to stop looking at my teeth. It was a complete transformation, not just in my smile, but in my confidence.

I also can’t say enough about the front desk staff and the entire team. Every single person is warm, welcoming and kind, making each visit feel comfortable from the moment you walk in. Together, this team creates an experience that truly stands out. I’m so grateful to have found this practice and highly recommend it to anyone who’s felt nervous, hesitant or insecure about their smile.
Florence Kong
10 months ago
The kindest office you’ll ever be at— I get regularly cleanings with Ying and I’ve gotten incredibly professional advice for my teeth and gum health. Dr. Camilla was fast and professional when I needed to fix some gaps in my teeth and the outcome looks amazing. Plus, reception staff like Edelyn (Sorry if I got the spelling wrong!) are truly gems you don’t find at every dental office. Highly recommended!
Christine Calanchie
10 months ago
I went to Dr. Yoo feeling nervous and blue,
A dental examination was way overdue.
Fillings, a root canal, and even a crown,
This was the plan which caused me to frown.

But the moment I walked through that bright office door,
The staff greeted me warmly – I could not ask for more.
Kind voices, big smiles, they calmed all my fears,
Made me feel like a friend who’d been coming for years!

Dr. Yoo is a wizard, a true dental star,
I thought she’d been sent from Venus or Mars.
The needle? Barely felt it, the numbing was quick,
The root canal flew by (now that’s a neat trick!).

No pain, no stress, just laughter and care,
Soft music, warm hands, and jokes in the chair.
The whole team’s a dream – they’re simply the best,
Turned my dental dread into pure happiness!

So if your tooth’s grumpy or starting to ache,
Run, don’t walk – an appointment please make!
Dr. Yoo and her crew will fix you up fine,
Five glowing stars – actually I’ll make that nine! ⭐⭐⭐⭐⭐⭐⭐⭐⭐

Thank you, Dr. Yoo, and your wonderful crew,
My smile’s never been brighter, and it’s all thanks to you! 😁
Amit Thakur
11 months ago
I’ve been visiting this dental clinic in Markham for the past three years, and I couldn’t be happier with my experience. I had a tooth extraction done by Dr. Jason, and the entire procedure was incredibly smooth and comfortable. The staff is always friendly, helpful, and very understanding, which makes every visit stress-free. The clinic has a warm and welcoming atmosphere that puts you at ease right away. I highly recommend this clinic for any dental care needs — they truly go above and beyond!
anne zh
1 year ago
Dr. Ko did my implant and crowns, and they turned out amazing! I’m so happy and excited to finally have my teeth back. He’s super professional, gentle, and really cares about his patients. Highly recommend Dr. Ko!
Dean Zhou
1 year ago
I’m in an urgent situation where I need to get my broken tooth repaired tomorrow and then have a crown placed the day after. After searching through numerous dental clinics, I finally decided to give one a try and made a call. To my surprise, the receptionist was extremely helpful and managed to schedule an emergency tooth repair surgery for me the next day. I’m really grateful to Dr. Camila or their excellent skills—my cavity was only about 1mm away from the nerve, but they still managed to fix it perfectly. They even convinced Doctor Rick for the following day to add two extra hours to the surgery, ensuring my root system was properly treated.

Overall, this clinic is incredibly advanced. They offer full dental scans that you can even create a color image of your tooth. There are several receptionists, each handling different tasks, making the clinic feel modern with a well-organized, rigorous, and efficient workflow. It’s definitely worth recommending! I’m giving it a 5-star rating and hope everyone who sees this review will visit this clinic for their dental care and procedures.

5-Star Review for Dentist Camila

I simply have to give Dr. Camila a perfect 5-star rating! I originally had an appointment for deep teeth cleaning on September 19th, but during the check-up, she found 4 to 5 cavities. The problem was—I had to leave town the following Saturday, and my schedule was so packed I could barely squeeze in any extra time. Just when I was panicking, Dr. Camila, who happened to be on duty and heard about my situation, proactively squeezed me in for treatment the next Wednesday. That thoughtfulness alone blew me away!

I’ll admit I hesitated a little at first, feeling nervous about the procedure. But over the two-hour treatment, Dr. Camila handled every dental issue with incredible professionalism. She walked me through the condition of each tooth in detail and gave clear, easy-to-follow tips on post-treatment care. When she finished, my teeth felt clean, smooth, and looked just as natural as before—all my discomfort was completely gone!

Not only is Dr. Camila incredibly kind and approachable, but her skills are truly top-tier. A huge thank you to the dental clinic for having such a responsible, patient-focused dentist. I can’t recommend Dr. Camila enough—she’s simply the best!
Ana Poon
1 year ago
I'm thoroughly impressed with Dr. Yoo's exceptional dentistry skills! She performed both my tooth extraction and filling with precision and care, making the entire experience virtually painless. I was amazed by her attention to detail and gentle approach. The procedures were seamless, and I recovered quickly within a few hours without any side effects, getting back to my normal routine and enjoying my favorite foods in no time. I wholeheartedly trust Dr. Yoo and feel fortunate to have her as my dentist – her expertise and compassionate care have earned her a loyal patient in me! I'd also like to extend my gratitude to Dr. Yoo and her entire team for their kindness, helpfulness, and warm hospitality – they made me feel at ease throughout the entire process. Thank you all for providing top-notch care in such a friendly and welcoming environment!
AManLikeJoseph
1 year ago
I had an amazing experience at Markham Smile Centre. From the moment I walked in, the front desk staff made me feel so comfortable and welcomed. They were kind, professional, and really helped ease my nerves before my appointment.

Dr. Ko did a fantastic job removing my wisdom teeth under sedation. I was really anxious going in, but he explained everything clearly, kept me calm, and the whole procedure went so smoothly. I couldn’t have asked for a better dental team.

Thank you to everyone at the office for turning something I was nervous about into a positive and stress-free experience. Highly recommend!
Cici Li
1 year ago
I went to the dentist yesterday. The receptionist was very welcoming and attentive, making me feel at ease the moment I walked in. The doctor was professional and attentive, explaining things clearly. The treatment was gentle and painless, leaving me feeling completely relaxed. It was a wonderful experience. The entire consultation was well-organized, and the environment was clean and comfortable. I'm truly grateful for their dedication and professionalism, and highly recommend them.
Ben Xue
1 year ago
I had a wonderful experience at Markham Smile Centre! From the moment I walked in, the front desk staff was warm, professional, and very welcoming. They made the check-in process smooth and stress-free.

Dr.Yoo was amazing—extremely accommodating, patient, and attentive. They took the time to listen to my concerns and made sure I fully understood everything before proceeding. It’s rare to find a dentist who is both highly skilled and genuinely caring, but this clinic definitely delivers.

Overall, I highly recommend Markham Smile Centre to anyone looking for a friendly, professional, and patient-centered dental experience.
Chris Doan
1 year ago
I've enjoyed my experience here ever since I had to come for an emergency in early 2025 and the new patient process was simple & easy.
I've needed a couple things done like root canals, fillings, cleanings, etc and everything was excellently done.
Dr. Camila is really patient, caring, and ensures my comfort during all procedures. The team is also very welcoming & making me feel like family. They assist with scheduling and reminders for appointments.
There is Nitrous oxide (laughing gas) that is available to ease large procedures that I recommend if you're covered by insurance.
Overall, couldn't ask for a better team, you won't regret it. 😀
Jason Lu
1 year ago
After going to my previous dental office downtown for over 5 years, I was pretty hesitant to make a change. But the commute eventually got to me, so I decided to give my neighborhood spot, Markham Smile Center a shot. Honestly, I’m really glad I did. Dr. Rick is super professional and takes the time to walk through everything, which made the whole experience a lot more relaxed. Susanne, the hygienist, was amazing super gentle and detail-oriented. The front desk team is was friendly and easy to deal with. Overall, i'm every happy with the switch. Highly recommended if you're looking for a solid local dental office
Jenny
1 year ago
Markham Smiles Centre is the best dental clinic I’ve ever been to!
Hygienist Ying provided an excellent cleaning—she’s very gentle and understanding. The staff are incredibly accommodating and helpful, and the doctors are fantastic. My family and I have always received top-notch care here.

Many thanks to the entire team!
Iana Alcantara
1 year ago
I had my 3 fillings done by Dr. Rick, he made it such a comfortable and pain-free experience. Not only does he have good bedside manner, but he talked me through everything he was doing. He was very precise in his work and made sure my fillings felt comfortable after.
Nancy Liang
1 year ago
Dr Rick is amazing. He is really young but seems so experienced. i didn't feel any pain during my filling appointment. im no longer nervous to go to the dentist. The front admin Zara and Edilyn was really friendly. The whole environment is very welcoming.
Zara Amiri
1 year ago
I recently had my fillings done by Dr. Camila and had a great experience. She was incredibly kind and patient, making me feel comfortable every step of the way. I really appreciated her gentle approach and would highly recommend her to anyone looking for quality dental care. Thank you Dr.Camila!
Angela Lu
1 year ago
I had a great experience with Dr. Rick Feng. He is kind, patient, and truly professional. He took the time to explain everything clearly and made sure I felt comfortable throughout the entire visit. Most importantly, he did a great job and really listened to my concerns and needs as a patient. It’s not easy to find a dentist who is both skilled and caring. Highly recommend!
Tao tao
1 year ago
I had a cavity filled at the Markham Smile Center. Dr. Rick (Feng) and his team were very helpful and professional throughout the process. I was a bit nervous at first, since seeing a new dentist can be uncertain—you don’t know if they’ll be good or not until after the procedure. Luckily, I was in good hands. They did a great job, and Dr. Rick patiently answered all my questions and concerns.

As for billing, the receptionists provided me with an estimated quote based on what they received from my insurance. My final out-of-pocket payment matched that estimate, which gave me peace of mind.
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