Author: Dr Cindy Li, DDS

Dr. Chenxin (Cindy) Li, a graduate of McGill University with a BSc in Microbiology and Immunology (2018), pursued her DDS at USC’s Herman Ostrow School of Dentistry, graduating in 2022. She earned the “Dental Journal Award” for her editorial work in the Dental Explorer. Following her dental school, Dr. Li completed a General Practice Residency at Harbor-UCLA, a Level 1 Trauma hospital, in 2023, gaining advanced skills in prosthodontics, endodontics, oral surgery, and periodontics. She is double-board certified in Canada and the USA and is authorized by the RCDSO for minimal sedation. Dr. Li’s dental philosophy centers on comprehensive, preventive care, aiming to achieve her patients’ smile goals. Her personal interests include hiking, cooking, and traveling.

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Excel Dental in Hamilton | FAQ | General Dentistry | Oral Health | Oral Hygiene

Myth: You don’t need to visit the dentist if your teeth don’t hurt. Fact: Many dental problems, like cavities and gum disease, can develop without pain until they’re advanced. Regular check-ups are essential.
ByDr Cindy Li, DDS October 2, 2024 8:00 amMarch 13, 2026 6:57 pm

Hello, I’m Dr. Cindy Li from Excel Dental, located at 49 East Avenue South, Hamilton, Ontario, Canada L8N 2T5. Today, I want to address a common misconception that can have serious implications for your oral health: the belief that you don’t need to visit the dentist if your teeth don’t hurt. This myth can lead…

Read More Myth: You don’t need to visit the dentist if your teeth don’t hurt. Fact: Many dental problems, like cavities and gum disease, can develop without pain until they’re advanced. Regular check-ups are essential.
Excel Dental in Hamilton | FAQ | General Dentistry | Oral Health | Oral Hygiene

Myth: Pregnancy causes tooth loss. Fact: With good oral hygiene and regular dental visits, pregnancy doesn’t have to affect your teeth. Hormonal changes can increase the risk of gum disease, so extra care is needed.
ByDr Cindy Li, DDS October 1, 2024 3:42 pmMarch 13, 2026 6:57 pm

Hello, I’m Dr. Cindy Li from Excel Dental, located at 49 East Avenue South, Hamilton, Ontario. Today, I want to address a common myth that many expectant mothers worry about: the idea that pregnancy inevitably leads to tooth loss. This misconception can cause unnecessary anxiety, but the good news is that with proper care, your…

Read More Myth: Pregnancy causes tooth loss. Fact: With good oral hygiene and regular dental visits, pregnancy doesn’t have to affect your teeth. Hormonal changes can increase the risk of gum disease, so extra care is needed.
Excel Dental in Hamilton | FAQ | General Dentistry | Oral Health | Oral Hygiene

Toothpick vs Floss: Which Cleans Better?
ByDr Cindy Li, DDS October 1, 2024 3:19 pmMay 14, 2026 8:20 pm

Toothpicks and floss are not the same. Learn which tool cleans between teeth better and when interdental brushes or water flossers may help.

Read More Toothpick vs Floss: Which Cleans Better?
Excel Dental in Hamilton | FAQ | General Dentistry | Oral Health | Oral Hygiene

Myth: Electric toothbrushes are always better than manual brushes. Fact: Both can be effective if used properly, but electric toothbrushes can be more efficient for people with limited mobility or those who struggle with technique.
ByDr Cindy Li, DDS October 1, 2024 12:37 pmMarch 13, 2026 6:57 pm

Hello, I’m Dr. Cindy Li from Excel Dental, located at 49 East Avenue South, Hamilton, Ontario, Canada L8N 2T5. Today, I want to address a common myth that I often hear from my patients: “Electric toothbrushes are always better than manual brushes.” While electric toothbrushes have their advantages, the truth is that both types can…

Read More Myth: Electric toothbrushes are always better than manual brushes. Fact: Both can be effective if used properly, but electric toothbrushes can be more efficient for people with limited mobility or those who struggle with technique.
Excel Dental in Hamilton | FAQ | General Dentistry | Oral Health | Oral Hygiene

Myth: You don’t need to brush your tongue. Fact: Your tongue can harbor bacteria that lead to bad breath and other issues. Brushing or scraping your tongue is an important part of oral hygiene.
ByDr Cindy Li, DDS October 1, 2024 11:58 amMarch 13, 2026 6:57 pm

Hello, I’m Dr. Cindy Li from Excel Dental, located at 49 East Avenue South, Hamilton, Ontario, Canada L8N 2T5. Today, I want to address a common myth in oral hygiene: the belief that you don’t need to brush your tongue. This misconception can lead to various oral health issues, including bad breath. Let’s delve into…

Read More Myth: You don’t need to brush your tongue. Fact: Your tongue can harbor bacteria that lead to bad breath and other issues. Brushing or scraping your tongue is an important part of oral hygiene.
Excel Dental in Hamilton | FAQ | General Dentistry | Oral Health | Oral Hygiene

Myth: Teeth naturally become yellow with age. Fact: While some discoloration can occur, regular cleanings and good oral hygiene can help keep teeth white as you age.
ByDr Cindy Li, DDS September 30, 2024 3:13 pmMarch 13, 2026 6:57 pm

Hello, I’m Dr. Cindy Li from Excel Dental, located at 49 East Avenue South, Hamilton, Ontario, Canada L8N 2T5. Today, I want to address a common misconception about dental health: the belief that teeth naturally become yellow with age. While it’s true that some discoloration can occur over time, maintaining good oral hygiene and regular…

Read More Myth: Teeth naturally become yellow with age. Fact: While some discoloration can occur, regular cleanings and good oral hygiene can help keep teeth white as you age.
Excel Dental in Hamilton | FAQ | General Dentistry | Oral Health | Oral Hygiene

Myth: Root canals are painful. Fact: Modern root canal procedures are designed to relieve pain, not cause it, and are similar to getting a filling.
ByDr Cindy Li, DDS September 30, 2024 2:35 pmMarch 13, 2026 6:57 pm

Hello, I’m Dr. Cindy Li from Excel Dental, located at 49 East Avenue South, Hamilton, Ontario, Canada L8N 2T5. Today, I want to address a common misconception that often causes unnecessary anxiety: the belief that root canals are painful. This myth has persisted for far too long, and it’s time to set the record straight….

Read More Myth: Root canals are painful. Fact: Modern root canal procedures are designed to relieve pain, not cause it, and are similar to getting a filling.
Excel Dental in Hamilton | FAQ | General Dentistry | Oral Health | Oral Hygiene

Myth: You can stop brushing once your gums stop bleeding. Fact: Gums bleed due to inflammation. Continued gentle brushing and flossing can help the gums heal, and regular dental visits are important.
ByDr Cindy Li, DDS September 30, 2024 7:52 amMarch 13, 2026 6:57 pm

Hello, I’m Dr. Cindy Li from Excel Dental, located at 49 East Avenue South, Hamilton, Ontario, Canada L8N 2T5. Today, I want to address a common misconception that many of my patients have encountered: the idea that you can stop brushing your teeth once your gums stop bleeding. This myth can lead to serious oral…

Read More Myth: You can stop brushing once your gums stop bleeding. Fact: Gums bleed due to inflammation. Continued gentle brushing and flossing can help the gums heal, and regular dental visits are important.
Excel Dental in Hamilton | FAQ | General Dentistry | Oral Health | Oral Hygiene

Should You Brush After Eating? Acidic Foods and Enamel
ByDr Cindy Li, DDS September 30, 2024 7:45 amMay 14, 2026 8:20 pm

After acidic foods or drinks, waiting before brushing can help protect enamel. Learn why timing matters and what to do after acidic meals.

Read More Should You Brush After Eating? Acidic Foods and Enamel
Excel Dental in Hamilton | FAQ | General Dentistry | Oral Health | Oral Hygiene

Myth: Chewing sugar-free gum is just as good as brushing your teeth. Fact: Sugar-free gum can help clean your teeth, but it’s no substitute for brushing and flossing.
ByDr Cindy Li, DDS September 30, 2024 7:15 amMarch 13, 2026 6:57 pm

Hello, I’m Dr. Cindy Li from Excel Dental, located at 49 East Avenue South, Hamilton, Ontario. Today, I want to address a common myth that I often hear from my patients: “Chewing sugar-free gum is just as good as brushing your teeth.” While sugar-free gum can indeed play a role in oral hygiene, it is…

Read More Myth: Chewing sugar-free gum is just as good as brushing your teeth. Fact: Sugar-free gum can help clean your teeth, but it’s no substitute for brushing and flossing.
Excel Dental in Hamilton | FAQ | General Dentistry | Oral Health | Oral Hygiene

Myth: You shouldn’t brush your teeth if you have a sensitive spot. Fact: Avoiding brushing can make the problem worse. Use a toothbrush with soft bristles and consult your dentist for sensitive areas.
ByDr Cindy Li, DDS September 28, 2024 9:40 amMarch 13, 2026 6:57 pm

Hello, I’m Dr. Cindy Li from Excel Dental, located at 49 East Avenue South, Hamilton, Ontario, Canada L8N 2T5. Today, I want to address a common myth that many of my patients have asked about: whether you should avoid brushing your teeth if you have a sensitive spot. This misconception can lead to more significant…

Read More Myth: You shouldn’t brush your teeth if you have a sensitive spot. Fact: Avoiding brushing can make the problem worse. Use a toothbrush with soft bristles and consult your dentist for sensitive areas.
Excel Dental in Hamilton | FAQ | General Dentistry | Oral Health | Oral Hygiene

Myth: Dental cleanings will damage your enamel. Fact: Professional cleanings remove plaque and tartar, which protects your enamel and keeps your teeth healthy.
ByDr Cindy Li, DDS September 28, 2024 7:47 amMarch 13, 2026 6:58 pm

Hello, I’m Dr. Cindy Li from Excel Dental, located at 49 East Avenue South, Hamilton, Ontario, Canada L8N 2T5. Today, I want to address a common myth that I often hear from patients: the belief that dental cleanings will damage your enamel. This misconception can prevent people from seeking the professional care they need to…

Read More Myth: Dental cleanings will damage your enamel. Fact: Professional cleanings remove plaque and tartar, which protects your enamel and keeps your teeth healthy.

End of content

Author: Dr Cindy Li, DDS

Appointment Request

Myth: You don’t need to visit the dentist if your teeth don’t hurt. Fact: Many dental problems, like cavities and gum disease, can develop without pain until they’re advanced. Regular check-ups are essential.

Myth: Pregnancy causes tooth loss. Fact: With good oral hygiene and regular dental visits, pregnancy doesn’t have to affect your teeth. Hormonal changes can increase the risk of gum disease, so extra care is needed.

Toothpick vs Floss: Which Cleans Better?

Myth: Electric toothbrushes are always better than manual brushes. Fact: Both can be effective if used properly, but electric toothbrushes can be more efficient for people with limited mobility or those who struggle with technique.

Myth: You don’t need to brush your tongue. Fact: Your tongue can harbor bacteria that lead to bad breath and other issues. Brushing or scraping your tongue is an important part of oral hygiene.

Myth: Teeth naturally become yellow with age. Fact: While some discoloration can occur, regular cleanings and good oral hygiene can help keep teeth white as you age.

Myth: Root canals are painful. Fact: Modern root canal procedures are designed to relieve pain, not cause it, and are similar to getting a filling.

Myth: You can stop brushing once your gums stop bleeding. Fact: Gums bleed due to inflammation. Continued gentle brushing and flossing can help the gums heal, and regular dental visits are important.

Should You Brush After Eating? Acidic Foods and Enamel

Myth: Chewing sugar-free gum is just as good as brushing your teeth. Fact: Sugar-free gum can help clean your teeth, but it’s no substitute for brushing and flossing.

Myth: You shouldn’t brush your teeth if you have a sensitive spot. Fact: Avoiding brushing can make the problem worse. Use a toothbrush with soft bristles and consult your dentist for sensitive areas.

Myth: Dental cleanings will damage your enamel. Fact: Professional cleanings remove plaque and tartar, which protects your enamel and keeps your teeth healthy.

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