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Introduction
If you or your child has been told that an extra tooth has developed in the mouth, you may be wondering what to do in the meantime — particularly when it comes to keeping the area clean. Supernumerary teeth, which are additional teeth that grow beyond the normal 20 primary or 32 permanent teeth, can make daily oral hygiene more challenging. They may sit in unusual positions, overlap with existing teeth, or cause crowding that makes reaching certain areas with a toothbrush or floss considerably more difficult.
Many patients search online for guidance because they are waiting for a removal appointment and want to keep the area as healthy as possible in the interim. This is entirely understandable, and it reflects excellent proactive thinking about oral health.
This article explains what supernumerary teeth are, why oral hygiene around them matters before removal, and which practical cleaning techniques may help maintain gum and tooth health during your waiting period. As always, individual clinical advice from a qualified dental professional remains essential.
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How do you clean around supernumerary teeth before removal?
Cleaning around supernumerary teeth before removal involves using a soft-bristled toothbrush, interdental brushes, and gentle flossing to remove plaque from hard-to-reach areas around the extra tooth. Rinsing with a fluoride mouthwash may also support gum health. Consistent hygiene helps reduce the risk of infection or decay while awaiting the removal procedure.
What Are Supernumerary Teeth?
Supernumerary teeth are extra teeth that develop in addition to the standard set of primary or permanent teeth. They can appear anywhere in the mouth but are most commonly found in the upper front region — where an extra tooth growing between the two central incisors is known as a mesiodens.
The exact cause of supernumerary teeth is not always clearly understood, but factors may include genetic predisposition, localised disturbances during tooth development, or certain syndromes such as cleidocranial dysplasia or Gardner's syndrome. In many cases, however, supernumerary teeth appear without any underlying medical explanation.
They can be:
- Erupted — visible above the gum line
- Impacted — remaining below the gum and visible only on an X-ray
- Inverted — growing upside down beneath the gum tissue
Whether or not a supernumerary tooth has erupted, it can affect the surrounding teeth, cause crowding, or create areas in the mouth where plaque accumulates more easily. Early detection through dental examination and radiographic imaging is important, as some supernumerary teeth cause complications such as delayed or disrupted eruption of permanent teeth.
If you have been advised that a supernumerary tooth needs to be monitored or removed, maintaining excellent oral hygiene in the area is an important part of your overall dental care during the waiting period.
Why Oral Hygiene Matters Around Supernumerary Teeth
Supernumerary teeth create irregular spaces and angles in the mouth that can be difficult to clean effectively. Plaque — the soft, sticky film of bacteria that forms on the surfaces of teeth — can accumulate in these areas more readily than in normally positioned teeth. If plaque is not removed regularly, it can harden into tartar (also known as calculus), leading to gum inflammation, cavities, and potential infection.
Maintaining good oral hygiene around a supernumerary tooth before removal is important for several reasons:
- Reducing infection risk: Plaque build-up around an impacted or erupted extra tooth can lead to localised gum disease or pericoronitis (inflammation of the gum tissue around an impacted tooth).
- Protecting neighbouring teeth: Adjacent teeth may be at increased risk of decay or root resorption if hygiene in the area is neglected.
- Supporting surgical success: Good oral health prior to any extraction procedure can support a smoother recovery and reduce the risk of post-operative complications.
- Maintaining general gum health: Regular cleaning protects the gum tissue surrounding the supernumerary tooth, keeping it in the healthiest possible state before clinical intervention.
Your dental team will be best placed to advise on the specific hygiene measures most relevant to your individual situation, as the position and type of supernumerary tooth will influence the approach.
Practical Cleaning Techniques to Use Before Removal
There is no single method that suits every patient, as the position of the supernumerary tooth, your overall oral anatomy, and any orthodontic appliances you may have will all influence the best approach. However, the following general techniques are widely recommended by dental professionals for cleaning around difficult or irregular teeth.
Soft-Bristled Toothbrush
A soft-bristled manual or electric toothbrush is usually recommended for cleaning around supernumerary teeth. Stiff bristles may cause irritation to already sensitive gum tissue. When brushing:
- Angle the bristles at approximately 45 degrees towards the gum line
- Use gentle, circular or short back-and-forth motions
- Give extra attention to the areas immediately around the extra tooth
- Brush for at least two minutes, twice daily
Interdental Brushes
Interdental brushes — small, bottle-brush-shaped tools — are particularly effective at cleaning between teeth and in irregular gaps. They come in various sizes, and selecting the right size is important to avoid causing gum trauma. A dental hygienist can advise on the most appropriate size for your specific spaces.
Dental Floss and Floss Threaders
Standard flossing remains valuable for areas where interdental brushes cannot reach. If the supernumerary tooth creates a tight space, a floss threader may help guide the floss into position. Water flossers (oral irrigators) can also be a useful adjunct for flushing debris from around difficult areas, though they should complement rather than replace mechanical cleaning.
Fluoride Mouthwash
An alcohol-free fluoride mouthwash used once daily (at a different time from brushing) can help protect enamel and reduce bacterial levels in the mouth. It is not a substitute for brushing and interdental cleaning but acts as a useful additional layer of protection.
Visiting a dental hygienist in London for a professional clean and personalised advice prior to your removal appointment can be particularly beneficial, especially if the area has already developed some tartar build-up.
The Dental Science Behind Supernumerary Teeth and Oral Hygiene
Understanding a little of the underlying dental science can help explain why keeping these areas clean is so important. Teeth develop through a complex process called odontogenesis, which occurs during foetal development and continues through childhood. The formation of supernumerary teeth is thought to involve abnormal activity of the dental lamina — a band of epithelial tissue responsible for initiating tooth development. When certain cells in this tissue become overactive, an additional tooth germ may form and develop alongside the normal set of teeth.
Once present in the mouth, a supernumerary tooth behaves like any other tooth from a microbiological perspective. The oral environment contains hundreds of bacterial species, and surfaces that are not cleaned regularly become colonised with the specific strains responsible for tooth decay (primarily Streptococcus mutans) and gum disease (primarily Gram-negative anaerobic bacteria).
The crevice between the supernumerary tooth and the adjacent gum tissue — the sulcus — can be particularly difficult to access and is a common site for plaque accumulation. If this area is not disrupted daily through brushing and interdental cleaning, the bacterial load increases, leading to a localised inflammatory response in the gum tissue. Over time, this may progress to periodontal bone loss or localised infection, even in otherwise healthy mouths.
This is why clinical-grade professional cleaning, including subgingival debridement where necessary, alongside thorough home hygiene, forms the cornerstone of managing oral health around supernumerary teeth before surgical removal.
When to Seek Professional Dental Assessment
While the steps described in this article can support your oral hygiene routine at home, there are certain signs and symptoms that may indicate the need for a prompt professional dental assessment. These do not necessarily suggest a serious problem, but early evaluation allows any concerns to be addressed before they progress.
You may wish to contact your dental provider if you notice any of the following:
- Swelling or puffiness of the gum around or near the supernumerary tooth
- Tenderness or discomfort when touching the area or during eating
- Persistent bad breath or an unpleasant taste that does not resolve with regular brushing
- Visible redness or bleeding of the gum tissue around the extra tooth
- Difficulty chewing or biting that has worsened recently
- Pain or pressure in the area of the extra tooth, including under the gum
These symptoms may suggest localised gum inflammation, an early infection, or increased pressure from the supernumerary tooth on adjacent structures. A dental professional can assess the area clinically and determine whether any interim treatment is needed before your planned removal procedure.
It is also worth considering a professional teeth cleaning appointment with a dental hygienist if you feel the area is difficult to manage at home. A professional clean removes hardened tartar that brushing alone cannot address, and your hygienist can demonstrate personalised techniques tailored to your specific oral anatomy.
Meet Our Dental Hygienist Team
To learn more about the professional team providing dental hygiene support in our London clinic, watch the video below:
Cleaning Around Supernumerary Teeth in Children
Supernumerary teeth are more commonly identified in children and young adolescents, often discovered during routine dental radiographic examinations. Parents may feel understandably concerned when their child is diagnosed, particularly when a removal procedure is advised.
For children, maintaining good oral hygiene around a supernumerary tooth requires a slightly adapted approach:
- Age-appropriate tools: Use a children's toothbrush with soft bristles that is correctly sized for a smaller mouth. An electric toothbrush with a children's head can also be effective and often motivates better brushing habits.
- Parental assistance: Children under the age of seven to eight typically require adult supervision or assistance with brushing to ensure all areas are being adequately cleaned.
- Fluoride toothpaste: Children over three should use a toothpaste containing the appropriate level of fluoride as recommended by their dental team.
- Diet considerations: Limiting the frequency of sugary snacks and drinks reduces acid exposure on teeth, which is particularly important when teeth are in irregular positions that are harder to clean.
- Regular dental check-ups: Routine monitoring allows the dental team to assess the position of the supernumerary tooth and review the child's hygiene practices at each visit.
Explaining the importance of cleaning in simple, reassuring language can help children engage with their oral health routine. Many children respond well to gentle encouragement and positive reinforcement rather than concern-based messaging.
If you are supporting a child with a supernumerary tooth, speaking with a dental hygienist who has experience working with younger patients can provide reassurance and practical guidance tailored to your child's age and oral development.
Prevention and Long-Term Oral Health Considerations
Although supernumerary teeth themselves cannot always be prevented — as genetic and developmental factors play a significant role — maintaining strong general oral hygiene habits is always beneficial and will support your oral health both before and after removal.
Establish a consistent twice-daily brushing routine. Using fluoride toothpaste and a technique recommended by your dental team will remove plaque from tooth surfaces and the gum margin, reducing the risk of decay and gum disease in all areas of the mouth, including those affected by irregular teeth.
Clean between teeth daily. Interdental cleaning is just as important as brushing but is often overlooked. Whether you use interdental brushes, floss, or a water flosser, cleaning between teeth removes plaque from areas a toothbrush cannot reach.
Attend regular dental and hygiene appointments. Routine check-ups allow your dental team to monitor any changes in the position or condition of a supernumerary tooth, identify early signs of decay or gum disease, and provide professional cleaning to maintain your oral health.
Maintain a tooth-friendly diet. Reducing the frequency of acidic and sugary foods and drinks limits the conditions under which tooth decay develops. Drinking water — particularly fluoridated tap water — supports enamel health.
Follow pre-operative hygiene advice. If you have been given a date for removal, your dental team may provide specific instructions to follow in the days leading up to the procedure. Adhering to this guidance contributes to a positive treatment experience and recovery.
Good oral hygiene before a supernumerary tooth is removed is not merely about aesthetics — it reflects a genuine commitment to protecting your broader dental health during a period of clinical transition.
Key Points to Remember
- Supernumerary teeth are extra teeth that develop beyond the normal complement, most commonly in the upper front region of the mouth.
- Plaque accumulates easily around supernumerary teeth due to their irregular positioning, making consistent daily cleaning especially important.
- Soft-bristled toothbrushes, interdental brushes, and floss are the primary tools for cleaning around extra teeth before removal.
- Professional dental hygiene appointments can remove tartar build-up and provide personalised technique advice ahead of your removal procedure.
- Signs such as swelling, tenderness, bleeding, or persistent bad breath around the area may warrant a prompt dental assessment.
- Treatment suitability and individual hygiene guidance should always be confirmed through a clinical examination with a qualified dental professional.
Frequently Asked Questions
Can I delay having a supernumerary tooth removed if I keep it clean?
Maintaining thorough oral hygiene around a supernumerary tooth is important and can help prevent localised complications such as gum inflammation or decay. However, whether or not removal is necessary — and the appropriate timing — is a clinical decision that depends on factors such as the tooth's position, its impact on neighbouring teeth, and whether it is causing structural issues. Hygiene practices alone cannot address the underlying developmental concern. Your dental team will advise on the most appropriate course of action based on a full clinical and radiographic assessment.
Is it normal for the gum around a supernumerary tooth to bleed when I brush?
Some mild gum bleeding during brushing may occur if plaque has built up around the area and caused localised inflammation. This can often improve with more consistent cleaning, provided the technique is appropriate and gentle. However, if bleeding is persistent, frequent, or accompanied by swelling or discomfort, it is advisable to arrange a dental assessment. A dental hygienist can evaluate the condition of the gum tissue and recommend targeted cleaning approaches to support recovery and reduce inflammation.
Should I use a mouthwash specifically before supernumerary tooth removal?
An alcohol-free fluoride mouthwash used once daily can be a helpful addition to your routine while awaiting removal, particularly if certain areas are difficult to clean mechanically. Some patients may be advised to use a chlorhexidine-based mouthwash for a short period before oral surgery to reduce the bacterial load in the mouth — however, this should only be used on the specific recommendation of your dental or surgical team, as chlorhexidine is not intended for long-term daily use. Always follow the guidance of your dental professional.
Can a supernumerary tooth cause damage to adjacent teeth if left unaddressed?
In some cases, supernumerary teeth can exert pressure on neighbouring teeth, potentially causing root resorption (where the roots of adjacent teeth are gradually absorbed) or interfering with the normal eruption pattern of permanent teeth. This is particularly relevant in children. The degree of risk varies depending on the tooth's position and orientation. Regular monitoring through dental check-ups and radiographic review allows the clinical team to identify any changes and advise accordingly. Not all supernumerary teeth require immediate removal, but ongoing monitoring is generally recommended.
How long after a professional clean should I wait before supernumerary tooth removal?
The timing of professional cleaning relative to surgical removal varies between patients and clinical settings. In some cases, a professional scale and polish may be recommended shortly before the procedure to optimise the condition of the surrounding gum tissue. In other instances, the surgical team may prefer a specific interval. It is best to discuss the timing directly with both your dental hygienist and the clinician managing the removal, so that both aspects of your care are well coordinated.
Will cleaning around a supernumerary tooth be painful?
For most patients, cleaning around a supernumerary tooth is not painful, although there may be some initial sensitivity or mild discomfort if the gum tissue is inflamed. Using a soft-bristled brush and gentle technique can help minimise any discomfort. If pain is significant or worsens during cleaning, this may indicate increased inflammation or another concern that warrants a dental assessment. A dental hygienist can advise on appropriate technique modifications and products to make cleaning more comfortable.
Conclusion
Managing oral hygiene around supernumerary teeth before removal is an important and achievable part of looking after your dental health during the waiting period before clinical intervention. By using the right tools — including a soft-bristled toothbrush, interdental brushes, and dental floss — and maintaining a consistent twice-daily cleaning routine, you can help reduce plaque accumulation, protect the surrounding gum tissue, and support a healthier environment ahead of your procedure.
The primary keyword — supernumerary teeth — describes a condition that, while it may initially seem complex or unfamiliar, is manageable with the right guidance and professional support. Understanding what these teeth are, why hygiene around them matters, and when to seek professional advice empowers patients to take an active and informed role in their oral health care.
If you have been advised that a supernumerary tooth requires removal, or if you have noticed any symptoms in the area, speaking with a dental hygienist or your treating dentist is a sensible and positive step. Guidance tailored to your specific anatomy and clinical situation will always be more valuable than general advice alone.
Dental symptoms and treatment options should always be assessed individually during a clinical examination.
Disclaimer
This article is for general educational purposes only and does not constitute dental advice. Individual symptoms, diagnoses, and treatment options should always be assessed by a qualified dental professional during a clinical examination.
