Poor dental health from bacterial build-up is a hidden vulnerability in elite athletes. A study of 352 elite and professional athletes found that nearly half (49%) had untreated tooth decay, and almost a third (32%) reported that oral health issues negatively impacted their training and athletic performance.1 ‘Invisible’ oral problems are now a measurable performance liability, with a growing body of evidence linking an athlete's dental health to their recovery and risk of injury. 2-6
But for the athlete seeking every advantage, this presents a clear opportunity — since these barriers are preventable, improving oral health is one of the simplest marginal gains available.
Your mouth is home to billions of bacteria, most of which are harmless. However, a build-up of bacterial plaque can trigger gum inflammation (gingivitis), often noticed as bleeding gums when brushing.
The problem is that this inflammation doesn't always stay in your mouth. When gums are inflamed, oral bacteria can enter the bloodstream.2 This creates a state of low-grade, bodywide inflammation that can have serious consequences for an athlete's immune system, overall health and ultimately, their peak performance.
1. Slower Muscle Recovery: Think of your body’s energy as a limited resource. When your gums are constantly inflamed, your body has to spend energy fighting that low-level infection. This means there are fewer resources available for muscle repair after a tough workout. This can lengthen the muscle repair process, meaning you stay sore for longer and your recovery between sessions is compromised.3
2. Increased Risk of Injury: Constant, low-grade inflammation spreading from your mouth can put your whole body on the defensive, making your muscles and tendons more vulnerable to strain. A 2015 study of elite soccer players found a clear link between poor dental health and a higher rate of reinjuries.6 It suggests that looking after your dental health is a crucial and often-missed part
of solid injury prevention plan.
The good news is that most oral health issues are preventable.7 Moving from a reactive to a proactive mindset is key. This is the core principle of preventive dentistry: addressing risks before they become problems that affect your health and performance.1,8
An effective oral hygiene routine is your first line of defence. This includes:
Daily Brushing and Flossing: Combining proper twice-daily brushing for at least two minutes with daily flossing is recommended to remove bacterial plaque from all tooth surfaces.7,8
Use Antibacterial Dental Products: Using an antibacterial toothpaste benefits teeth by making them more resistant to bacterial build-up and acid attacks.7-9
Regular Dental Check-ups: Professional teeth cleaning and check-ups allow for the early detection of issues and the application of preventive treatments to strengthen tooth enamel.1,4,7,8
By focusing on preventive dental care, you can achieve peak oral health — a state where your mouth actively supports your overall health and ensures nothing stands in the way of your peak performance.
In the world of elite sports where marginal gains determine success, the evidence is clear: achieving peak oral health is fundamental to unlocking peak performance. Neglecting it isn't just a risk for your teeth — the inflammation that starts in your mouth can directly hinder your body's ability to recover and perform. By making a conscious decision to manage your oral health with the same discipline you apply to your training and nutrition, you can turn a hidden liability into a source of competitive advantage.
[References]
Gallagher J et al. Oral health and performance impacts in elite and professional athletes. Community Dent Oral Epidemiol 2018;46(6):563–568.
Cecoro G et al. Periodontitis, Low-Grade Inflammation and Systemic Health: A Scoping Review. Medicina (Kaunas) 2020;56(6):272.
Bramantoro T et al. The impact of oral health on physical fitness: A systematic review. Heliyon 2020;6(4):e03774.
Schulze A and Busse M. Sports Diet and Oral Health in Athletes: A Comprehensive Review. Medicina (Kaunas) 2024;60(2):319.
Needleman I et al. Oral health and elite sport performance. Br J Sports Med 2015;49(1):3–6.
Solleveld H, Goedhart A and Vanden Bossche L. Associations between poor oral health and reinjuries in male elite soccer players: a cross-sectional self-report study. BMC Sports Sci Med Rehabil 2015;7:11.
FDI World Dental Federation (2019). Sports Dentistry: Guidelines for elite athletes. Available at: https://www.fdiworlddental.org/guidelines-elite-athletes. Accessed March 2026.
FDI World Dental Federation (2019). Sports Dentistry: Guidelines for dentists and sports medicine physicians. Available at: https://www.fdiworlddental.org/guidelines-dentists-and-sports-medicine-physicians. Accessed March 2026.
Nicholson JW. Stannous Fluoride in Toothpastes: A Review of Its Clinical Effects and Likely Mechanisms of Action. J Funct Biomater 2025;16(3):73.
This article is intended to promote understanding of and knowledge about general oral health topics. It is not intended to be a substitute for professional advice, diagnosis or treatment. Always seek the advice of your dentist or other qualified healthcare provider with any questions you may have regarding a medical condition or treatment.