Can Wisdom Teeth Cause Pimples?

Wisdom Teeth Removal Adelaide | Oral Health and Skin Health Series | Read Time 5 minutes

If you have been battling stubborn pimples around your chin, jawline, or lower cheeks and cannot seem to find the cause, the answer may be in your mouth rather than your skincare routine. The connection between oral health and skin health is a well-established field of emerging medical research, and the role that impacted or infected wisdom teeth play in triggering acne breakouts is increasingly supported by peer-reviewed evidence.

Acne vulgaris is one of the most prevalent skin conditions in the world, affecting approximately 9.4 percent of the global population and ranking as the eighth most common disease globally (Zhu et al., 2025). In Australasia, the age-standardised prevalence rate sits at approximately 9,792 per 100,000 population among adolescents and young adults aged 10 to 24 (Zhu et al., 2025). Crucially, this is also the exact age group in which wisdom teeth typically erupt. For many people experiencing persistent breakouts during their late teens and twenties, impacted wisdom teeth may be a contributing factor that has gone entirely unexamined or studied.

This blog explores the science behind the oral health and acne connection, the specific role wisdom teeth and pericoronitis play in driving skin inflammation, and what Adelaide residents can do about it.

What Causes Acne? A Brief Overview of the Science

Acne vulgaris is a chronic inflammatory skin condition involving the hair follicle and its associated sebaceous gland. The four primary mechanisms driving acne development are excess sebum production, abnormal follicular keratinisation, colonisation by the bacterium Cutibacterium acnes (formerly Propionibacterium acnes), and the resulting inflammatory immune response (Li and Jin, 2025).

Cutibacterium acnes activates Toll-like receptor 2 (TLR2) on macrophages and monocytes surrounding the hair follicle, triggering the release of pro-inflammatory cytokines including interleukin-1 beta (IL-1 beta) and interleukin-8 (IL-8), which recruit neutrophils and amplify local inflammation. This cascade produces the papules, pustules, and nodules that are the visible hallmarks of an acne breakout.

What is important to understand is that acne is fundamentally an inflammatory condition driven by bacteria and immune dysregulation. This is precisely why oral health is relevant. The mouth harbours over 700 species of bacteria and, in cases of dental infection or impacted wisdom teeth, becomes a significant reservoir for anaerobic pathogens that can enter the bloodstream and travel to distant tissues, including the the gut and skin.

The Oral Health and Skin Connection: What Research Demonstrates

The relationship between oral health and skin conditions is not well studied. Research published in peer-reviewed journals confirms that harmful bacteria originating from dental infections, gum disease, and abscessed teeth can migrate from the oral cavity to the gut causing a change in gut flora. We know that gut dysbiosis increases inflammation and has links to acne (Lee et al., 2019).

Propionibacterium acnes, the bacterium most directly associated with acne, is not confined to the skin. Research published in the Journal of Oral and Maxillofacial Surgery confirmed that Propionibacterium acnes can be found in the oral cavity, including the mouth, throat, and upper respiratory tract (Wallis et al., 2011). This may indicate that oral sources of this bacterium may be linked to facial acne in individuals who have existing oral infections. Although more research is needed.

The Gut and Skin Axis: How Oral Bacteria Reach the Skin

Understanding how an infected tooth can cause a pimple on your face requires a brief look at the gut and skin axis, an area of research that has produced compelling evidence over the past decade. A review published in Microorganisms (Sanchez-Pellicer et al., 2022) confirmed that the pathogenesis of acne is complex and multifactorial, involving not only skin microbiota but also the gut microbiome and systemic immune responses. The gut and skin axis describes the link between the intestinal microbiome and skin health, primarily mediated through modifications to the immune system.

A Mendelian randomisation study published in Frontiers in Microbiology (2024) identified direct causal relationships between specific gut microbial compositions and acne vulgaris, confirming that microbial imbalances in the body contribute causally to acne development (Wu et al., 2024). Oral infections, including those caused by impacted wisdom teeth, disrupt microbial balance in the oral cavity and can potentially seed the gut through swallowed bacteria and inflammatory mediators, potentially worsening systemic acne-driving conditions.

Beyond the gut and skin axis, bacteria from oral infections enter the bloodstream directly through inflamed gum tissue. Gum disease releases toxins and bacteria into circulation, triggering inflammatory responses throughout the body and potentially the skin. This mechanism, sometimes described as bacteraemia from oral sources, is well-documented in the cardiovascular and systemic health literature and is equally relevant to dermatological outcomes.

Wisdom Teeth, Pericoronitis, and the Specific Link to Facial Pimples

Among the various conditions associated with skin breakouts, impacted or partially erupted wisdom teeth represent one of the most poorly studied and potentially clinically significant sources. When a wisdom tooth fails to fully erupt, a flap of gum tissue called the operculum forms over the partially exposed crown. This creates an anaerobic pocket where food debris, saliva, and bacteria accumulate in conditions that are extremely difficult to clean.

The resulting infection is called pericoronitis, and it is one of the most common complications of impacted third molars. Research published in the British Dental Journal confirmed that pericoronitis is reported in 81 percent of individuals in the 20 to 29 year age group who have partially erupted lower wisdom teeth (Renton & Wilson, 2016). The microflora of pericoronitis is predominantly anaerobic and includes streptococci, Actinomyces, and Propionibacterium species, among others.

This is critically important: the same Propionibacterium species that drives acne vulgaris is found in pericoronitis infections around impacted wisdom teeth. When pericoronitis is present, the body mounts a sustained immune and inflammatory response. Levels of pro-inflammatory cytokines including tumour necrosis factor-alpha (TNF-alpha), interleukin-6 (IL-6), and interleukin-8 (IL-8) are elevated locally. These inflammatory signals are not contained to the mouth. They circulate systemically and can prime the immune system to respond more aggressively to bacterial colonisation of facial skin, worsening acne outbreaks.

While large-scale clinical trials specifically examining wisdom tooth extraction and acne outcomes are an area where further research is warranted, the biological mechanisms supporting this potential relationship are well-established.

Why Acne Around the Chin and Jawline May Signal a Dental Problem

Traditional Chinese medicine has long associated the lower face, specifically the chin, jawline, and lower cheeks, with digestive and oral health. While this framework is not clinically validated, modern dermatological research has provided a biological basis for the same observation. Acne that is concentrated around the chin, lips, and lower cheeks is increasingly recognised by researchers and clinicians as a potential indicator of oral bacterial involvement. Further study is needed.

Systemic Inflammation: The Shared Mechanism Between Wisdom Teeth and Acne

Both acne vulgaris and pericoronitis from impacted wisdom teeth are, at their core, inflammatory conditions. The immune pathways they activate overlap significantly, and this convergence helps explain why an oral infection can potentially be linked to skin.

Acne severity has been consistently linked to systemic inflammatory markers. A 2024 study measuring the dermatology life quality index in young adults with acne found that nearly half of participants reported a very large effect on quality of life, with social withdrawal, low self-esteem, and anxiety being the most common consequences (Jisa et al., 2026). The psychological burden of acne is well-documented, and anything that amplifies the underlying inflammatory driver of acne, including a chronic oral infection from an impacted wisdom tooth, will worsen both the physical and psychological dimensions of the condition.

Chronic pericoronitis in particular, as opposed to acute episodic flares, maintains a low-grade but persistent inflammatory state. The body's immune system is engaged in a continuous, low-level battle with the bacteria around an impacted wisdom tooth. This ongoing immune activation elevates circulating inflammatory cytokines, which can sensitise the skin's immune response and lower the threshold at which acne-triggering bacteria on the skin produce a visible inflammatory lesion. In this way, an untreated impacted wisdom tooth acts as an invisible amplifier of facial acne.

The Age Overlap: Why Wisdom Teeth and Acne Peak at the Same Time

One of the most compelling arguments for investigating wisdom teeth as a driver of acne is the striking age overlap between the two conditions. Wisdom teeth typically erupt, or attempt to erupt, between the ages of 17 and 25. Acne vulgaris peaks in the same demographic window. In Australian school students, the prevalence of facial acne rises sharply from 27.7 percent in 10 to 12 year olds to 93.3 percent in 16 to 18 year olds, and a substantial proportion of young adults continue to experience acne into their twenties (Kilkenny et al., 1998).

Hormones are commonly cited as the primary driver of both conditions in this age group, and this is certainly true. Androgens drive both sebaceous gland activity and third molar eruption dynamics. However, the simultaneous presence of erupting or impacting wisdom teeth in individuals already experiencing acne represents a compounding factor that is routinely overlooked in dermatological consultations.

For young Adelaide residents who are experiencing persistent acne that does not respond to conventional treatments including benzoyl peroxide, topical retinoids, or oral antibiotics, a dental evaluation for wisdom tooth status may be considered as part of a comprehensive treatment approach.

Post-Extraction Skin Improvements: What Patients and Clinicians Report

Anecdotal and clinical reports of skin improvement following wisdom tooth extraction or treatment of dental infection are reported. While these reports must be interpreted cautiously in the absence of large randomised controlled trial data specifically targeting this outcome, they are consistent with the biological mechanisms described above (Macklis et al., 2020) .

When an infected wisdom tooth is removed, the primary source of anaerobic bacterial load is eliminated. The body's immune system, which had been maintaining a constant inflammatory response to the pericoronitis infection, is no longer required to do so. Circulating levels of pro-inflammatory cytokines including IL-6 and TNF-alpha begin to normalise. The skin's inflammatory threshold rises, making it less susceptible to potential acne-triggering bacterial stimulation (Macklis et al., 2020).

It is important to note that wisdom tooth extraction is not a treatment for acne and should never be pursued for that reason alone. Extraction is clinically indicated when there is evidence of impaction, pericoronitis, caries, damage to adjacent teeth, or cyst formation. However, for patients who have both symptomatic wisdom teeth and persistent lower facial acne, addressing the dental problem may meaningfully support their skin health outcomes alongside standard dermatological care.

What to Do If You Suspect Your Wisdom Teeth Are Affecting Your Skin

If you are experiencing persistent pimples around the lower face and suspect a dental connection, consider the following evidence-based steps:

•        Schedule a dental assessment with your oral health practitioner or oral surgeon. Request an OPG panoramic X-ray to assess the position, eruption status, and any signs of infection around your wisdom teeth.

•        Describe any oral symptoms you have been experiencing, including pain at the back of the mouth, difficulty opening fully, a bad taste or smell, recurring swelling in the lower jaw, or difficulty chewing. These may indicate active pericoronitis that is feeding systemic inflammation.

•        Discuss your acne history with both your dentist and your dermatologist. If your acne is concentrated around the chin, lower cheeks, or jawline and has not responded well to standard treatments, mention this in your dental consultation.

•        Do not attempt to self-treat pericoronitis or delay assessment. The StatPearls clinical reference from the National Institutes of Health notes that untreated pericoronitis can progress to life-threatening space infections if left unmanaged (Nguyen et al., 2022). Early intervention is always safer and more effective.

•        Follow post-extraction recovery instructions carefully. After wisdom tooth removal, maintaining excellent oral hygiene and following your surgeon's dietary recommendations will support healing and minimise the risk of secondary infection that could, in turn, affect skin health.

•        Support your skin microbiome during recovery. A diet rich in whole foods, fibre, and fermented products may support both gut and skin health during the post-surgical recovery period, consistent with gut and skin axis research (Sanchez-Pellicer et al., 2022).

The Recap

1. Acne vulgaris is a chronic inflammatory condition driven by bacterial colonisation and immune dysregulation. Oral infections, including from impacted wisdom teeth, activate the same inflammatory pathways.

2. Propionibacterium acnes, the primary bacterium associated with facial acne, is also present in the oral cavity and in the microflora of pericoronitis infections around impacted wisdom teeth (Wallis et al., 2011 ; Renton & Wilson, 2016).

3. Wisdom teeth and acne vulgaris peak in the same demographic window, between the ages of 17 and 25, and the simultaneous presence of erupting or impacted third molars in acne-prone individuals is a compounding factor that is frequently overlooked.

4. Removing infected or impacted wisdom teeth eliminates a key source of anaerobic bacterial load and chronic systemic inflammation, which may support improved skin health outcomes. Further study is needed.

5. Wisdom tooth extraction should always be clinically indicated. It is not a treatment for acne, but where both conditions are present, treating the dental cause may meaningfully support skin health alongside dermatological care.

At Wisdom Teeth Removal Adelaide, we take a whole-body approach. If you have noticed a pattern between your jaw health and your general wellbeing, let us know during your assessment.

CALL 81850024 or BOOK ONLINE

References

Jisa, T. A., Rahat, M. T. I., Sumi, M. S. A., Sultana, N., Sarker, J. K., Nurejannath, M., & Kibria, M. K. (2026). Prevalence of acne and its impact on quality of life, social appearance anxiety and treatment practices among young adults. Journal of Cosmetic Dermatology, 25(1), e70654. https://doi.org/10.1111/jocd.70654

Kilkenny, M., Merlin, K., Plunkett, A., & Marks, R. (1998). The prevalence of common skin conditions in Australian school students: 3. Acne vulgaris. British Journal of Dermatology, 139(5), 840–845. https://doi.org/10.1046/j.1365-2133.1998.02510.x

Lee, Y. B., Byun, E. J., & Kim, H. S. (2019). Potential role of the microbiome in acne: A comprehensive review. Journal of Clinical Medicine, 8(7), 987. https://doi.org/10.3390/jcm8070987

Li, X., & Jin, J. (2025). The mechanism and research progress of skin microbiota in pathogenesis of acne. Dermatology Research and Practice, 2025, 9910076. https://doi.org/10.1155/drp/9910076

Macklis, P., Adams, K., Kaffenberger, J., Kumar, P., Krispinsky, A., & Kaffenberger, B. (2020). The association between oral health and skin disease. Journal of Clinical and Aesthetic Dermatology, 13(6), 48–53.

Nguyen, D. H., Martin, J. T., & Thomas, J. (2022). Pericoronitis. In StatPearls. StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK576411/

Renton, T., & Wilson, N. H. F. (2016). Problems with erupting wisdom teeth: Signs, symptoms, and management. British Journal of General Practice, 66(649), e606–e608. https://doi.org/10.3399/bjgp16X686509

Sanchez-Pellicer, P., Navarro-Moratalla, L., Nunez-Delegido, E., Ruzafa-Costas, B., Aguera-Santos, J., & Navarro-Lopez, V. (2022). Acne, microbiome, and probiotics: The gut-skin axis. Microorganisms, 10(7), 1303. https://doi.org/10.3390/microorganisms10071303

Wallis, J., Cho, S., & Diecidue, R. (2011). Propionibacterium acnes: An opportunistic oral pathogen [Conference abstract]. Journal of Oral and Maxillofacial Surgery, 69(9, Suppl.), e5.

Wu, Y., Wang, X., Wu, W., & Yang, J. (2024). Mendelian randomization analysis reveals an independent causal relationship between four gut microbes and acne vulgaris. Frontiers in Microbiology, 15, Article 1326339. https://doi.org/10.3389/fmicb.2024.1326339

Zhu, Z., Zhong, X., Luo, Z., et al. (2025). Global, regional, and national burdens of acne vulgaris in adolescents and young adults aged 10–24 years from 1990 to 2021: A trend analysis. British Journal of Dermatology. https://doi.org/10.1093/bjd/ljae352