Common Problems After Teeth Cleaning in Hong Kong: What Patients Should Know
Scaling & Prophylaxis

Common Problems After Teeth Cleaning in Hong Kong: What Patients Should Know

Annual scaling alone cannot keep your teeth clean — daily brushing and flossing remain essential. Here's what to expect after a professional clean.

With the popularization of dental education, more and more people have developed a good dental hygiene habit of regularly scaling their teeth once a year. But in fact, there are still many patients who have a misunderstanding that the annual scaling can keep the teeth clean, without the need for daily brushing. This is a big misunderstanding.

After teeth cleaning, the gums will be less red, swollen and bleeding, but that doesn't mean you can ignore the importance of daily care. Scaling is only a basic teeth cleaning of the surface of the teeth. If you do not pay attention to daily teeth cleaning and only rely on dental scaling every year, the gums will still be infected and suffer from periodontal disease. Therefore, maintaining oral hygiene plays a very important role for the recovery of the gums, and the patient's self-discipline and perseverance can make the treatment far more effective.

Common questions from patients!

Based on the past years of clinical observations, here are some common questions that patients would ask after scaling.
 
1.    Why do I feel discomfort or pain in my gums after scaling?

Patients may experience mild oral discomfort and bleeding gums for a few days after scaling. This is normal because the usual oral environment has changed after the removal of stains, calculus and food residues from the teeth. Patients may feel uncomfortable at first.

However, if good oral hygiene is maintained, oral discomfort and bleeding gums will gradually disappear, and the gums will ultimately return to the healthy condition.


 

2.    Why do I experience tooth sensitivity or enlarged gap between the teeth after scaling?

Scaling can remove the calculus, after which the exposed roots of the teeth may expand. Hence, food which are too cold or too hot and irritating may cause the teeth to become relatively sensitive. At the same time, after teeth cleaning the teeth and gums through scaling, the originally infected swelling gums will be reduced, making the gap between the teeth look more obvious.

However, the sensitive condition is in short-term and will be relieved in about 2 to 3 days. In addition to avoiding eating food which are too acidic and cold, you may also consider using desensitizing toothpaste to reduce tooth sensitivity. If the sensitivity symptoms are severe or cannot be relieved, it may be necessary to visit the clinic for a thorough examination by a dentist, who may prescribe the professional desensitizers to fix the problem.
 
3.    How can I maintain oral hygiene after scaling?

After the dentist or dental hygienist completes the scaling, he or she will always remind the patient of the relevant region of the teeth which requires further teeth cleaning afterwards, and teach the patient to apply the correct technique of brushing, flossing or using interdental brush and other oral care products to keep the mouth clean. The patient can use an antibacterial mouthwash or warm saline gargle, if necessary, but they should generally not be used for more than 2 weeks.

If you have any questions, please consult your trusted family dentist.

For the full procedure, fee components and aftercare pointers, see the teeth scaling service page.

Article Info

First published: 27 February 2022

Last reviewed: August 2026

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FAQ

Frequently Asked Questions

  • Why do my gums hurt after a scale and clean?

    Mild discomfort and bleeding for a few days after scaling are normal. Your mouth is adjusting to the removal of calculus and plaque. If you maintain good oral hygiene, the discomfort and bleeding will gradually disappear and your gums will return to a healthy condition. If symptoms persist, see your dentist for a check-up.

  • How much does a scaling session cost?

    Scaling is HK$800 per session with a dental hygienist and HK$980 with a dentist, though the final cost depends on the extent of tartar buildup and whether additional treatments are needed. Scaling and deep periodontal treatment are different procedures. After a clinical assessment we explain the fee components clearly, and treatment starts only with your consent. We provide a personalised quote after examining your teeth — WhatsApp us to arrange a consultation and discuss your specific needs.

  • Will my teeth feel sensitive after scaling?

    Yes, temporary sensitivity is common after scaling. Removing calculus exposes parts of the root, making your teeth more sensitive to hot, cold or acidic food. This usually settles within two to three days. Use desensitising toothpaste and avoid extreme temperatures. If sensitivity is severe or doesn't improve, book a follow-up with your dentist.

  • How much does a scale and clean cost?

    Scaling starts from HK$800. A general consultation is HK$180; treatment is quoted after the assessment. WhatsApp us for a detailed quote based on your oral health needs.

  • Why do the gaps between my teeth look bigger after cleaning?

    Scaling removes calculus and reduces inflamed, swollen gums. As the inflammation subsides, previously hidden gaps between your teeth become more visible. This is a sign your gums are returning to their natural, healthy state — not that the cleaning caused damage.

  • Can I skip daily brushing if I get my teeth cleaned every year?

    No. Annual scaling removes surface deposits, but daily brushing and flossing are essential to prevent plaque build-up and gum disease. Scaling is a professional clean, not a substitute for daily care. Without good home hygiene, your gums will still be at risk of infection and periodontal disease.

  • How do I look after my teeth after scaling?

    Your dentist or hygienist will show you the areas that need extra attention and teach you proper brushing and flossing techniques. Use an antibacterial mouthwash or warm saline rinse if needed, but not for more than two weeks. If you have questions, speak to your family dentist for personalised advice.

Still wondering about something? Our team is happy to chat.

Reminder: You have the right to choose a Hong Kong dentist based on your individual needs. We recommend referring to the list of registered dentists published on the official website of the Dental Council of Hong Kong to make a choice best suited to your personal needs. The above content is intended to give you a brief introduction to the nature and effects of the relevant dental procedures, so that you can make informed decisions when choosing a dentist and related treatment options. All treatments have advantages and disadvantages — the key is that you must have a basic understanding of different treatments and procedures and be aware of the associated risks. The above content does not represent the professional opinion or views of any dentist or dental institution. For the sake of your health, please consult your family dentist for formal medical advice.

This article is compiled by the Public Education Team of Home Dental and has been reviewed and approved by the Content Review Committee of Home Dental. The Committee comprises members of our Board of Directors, legal advisors, and relevant professionals, and is responsible for vetting all externally published health education content to ensure it is professional, accurate, relevant to the local context, and regularly updated to meet Hong Kong dental service standards.

This content is originally produced by Home Dental, all rights reserved. Unauthorized reproduction, modification, or publication is prohibited. Violators will bear legal responsibility. For citation or partnership inquiries, please contact our center for written permission.

Last updated: Aug 2026

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