Gateway Family Dental Blog

What Causes Swollen Gums?

When you see the tissue surrounding your teeth and gums begin to swell, it can be alarming. It could be just a temporary issue that will go away on its own, but there are other times when swollen gums are a sign of a serious problem. 



In order to determine what is causing your swollen gums and whether or not any treatment is needed, it's important to know what causes these symptoms in the first place. Below we've listed some of the most common causes of swollen gums and how each might affect you:


What Causes Swelling of Gums?

Gums to the teeth are basically the foundation of a building. This pink and fibrous tissue holds the teeth firmly in place. So, without a doubt, gums are an essential component of oral health. 


Factors like nutrient deficiency, hormones, and infections can cause the gums to swell and bulge. Swollen gums appear red, are sensitive, bleed easily, and can also cover parts of the teeth. Here are some of the common ways our gums can get damaged. 


Aggressive Brushing

To achieve sparkling white teeth, we might resort to rough brushing techniques. But this vigorous and aggressive brushing does more harm than good. 


While brushing, follow circular motions and be gentle. The back-and-forth movements of the brush can be harsh and damage the enamel of the teeth and the gums. Soft nylon brushes are the best to maintain oral health as they are gentle and non-irritating to sensitive gums.


Incorrect Flossing

Flossing should be done after brushing, as the bristles of your toothbrush will help loosen any food particles stuck in your gums. It’s a healthy practice, but the wrong method of flossing can damage your gums. Be mindful while flossing. Instead of pushing the floss harshly between the teeth, follow an up-down motion along the curve of a tooth for gentle and effective cleaning.


Gum Disease

Gum disease presents in two ways based on severity: mild gingivitis and severe periodontitis. Poor dental hygiene leads to plaque build-up on the teeth, which creates an optimal condition for bacteria to thrive. In turn, the bacteria infesting the plague causes the gums to swell. 


The symptoms of gingivitis are mild: swollen and sensitive gums, gums bleeding upon brushing, bad breath, loose teeth, etc. But gingivitis can worsen and lead to more severe periodontitis if left untreated. This disease can cause the gums to become irritated, incredibly swollen, and bleed on their own. In the final stages, severe periodontitis can also lead to tooth loss.


Hormonal Fluctuations

During both pregnancy and menstruation, estrogen levels rise and progesterone falls, which can cause gum swelling that lasts for a few weeks after your period ends. This is normal, but if you have severe gum swelling or if it doesn't go away on its own within a month or two, call your doctor. 


Stress is another common contributor to hormonal imbalances—and when your body's stress response kicks into overdrive (whether from work or other sources of anxiety), it may cause the same issues as other forms of hormone disruption, including gum swelling.


Infection

Fungi and viruses can cause mouth infections that lead to swollen gums. Herpes, for example, can cause acute herpetic gingivostomatitis, which affects gums and causes them to swell. Overgrowth of yeast in the mouth can also cause oral thrush, leading gums to swell.


Malnutrition

Malnutrition can lead to swollen gums. Your gums are a part of your immune system, and they help fight off infections. If you have malnutrition, it means that your body is not getting enough nutrients. This can happen in two ways: protein deficiency and vitamin deficiency


Ulcers

Mouth ulcers and canker sores are often behind painful and swollen gums. They can develop on the gums or anywhere else in the mouth, and can be caused by bacteria, viruses, or fungi. 


Chemotherapy

Chemotherapy and radiation treatments can cause the gums to become swollen. During treatment, it is important to care for your mouth to reduce the risk of infection, dry mouth and tooth sensitivity. This includes brushing at least two times a day with a soft-bristled brush and flossing daily before bedtime as well as using an oral rinse that contains fluoride. 

It’s important that you don’t neglect your teeth and gums. It is likely that they will become more swollen if you do not have them checked regularly by a dental professional. The best way to prevent this problem is by maintaining good oral hygiene at home and visiting your dentist regularly for checkups.


Gateway Family Dentistry in Murfreesboro, Tennessee, offers several dental services to help you get the smile you deserve. Call us at (615) 962-8505, or contact us online to get started!

Read More From Gateway Family Dentistry

August 28, 2026
At Gateway Family Dentistry , we understand that protecting your teeth goes beyond brushing and flossing. Many patients grind or clench their teeth, especially while sleeping, without realizing it. Over time, teeth grinding , or bruxism, can cause tooth damage, jaw discomfort, headaches, and other oral health concerns. For some patients, a night guard can protect their smile. Detecting the signs of teeth grinding and how night guards work can help you decide when extra protection may benefit your oral health. What Is Teeth Grinding? Teeth grinding occurs when you clench or shift your teeth, often unconsciously. Some people grind during the day, but sleep-related grinding is especially common because you may not realize it. Occasional grinding may not cause problems, but frequent or intense grinding can put excessive pressure on your teeth and jaw. Stress, sleep habits, and other factors may contribute to bruxism. Signs You May Be Grinding Your Teeth Because teeth grinding often happens during sleep, many patients do not know they are doing it. Your dentist may notice signs during a routine dental examination. Common symptoms and warning signs can include: Worn, flattened, or chipped teeth Increased tooth sensitivity Jaw soreness or tightness Morning headaches Facial discomfort Tooth fractures or damage Tenderness when chewing Increased jaw tension If you often wake up with a sore jaw or notice changes in your teeth, talk with your dentist about whether teeth grinding is causing the problem. How Can a Night Guard Help? A night guard for teeth grinding is a protective retainer worn over the teeth while you sleep. It establishes a barrier between the upper and lower teeth, decreasing direct contact from clenching and grinding. Night guards shield each tooth from extensive grinding and may reduce some pressure on the jaw. They don't eliminate the cause of grinding, but they provide an important layer of protection. Do You Need a Night Guard? Not everyone who grinds their teeth needs a night guard. Your dentist can evaluate your teeth, gums, jaw, and symptoms to decide if one is appropriate. Your dentist has the technology to design a custom night guard that fits your mouth comfortably and securely. A well-fitted guard offers better comfort and protection than a generic one. If you already have signs of significant tooth wear, frequent jaw discomfort, or other bruxism-related symptoms, your dentist may recommend a night guard as part of your personalized oral health plan. Protect Your Smile With Regular Dental Care Teeth grinding can happen quietly, but its effects get noticeable over time. Regular dental visits let your dentist monitor your teeth for wear and catch problems early. At Gateway Family Dentistry , we are committed to helping patients protect their teeth through personalized preventive care and education. If you have jaw discomfort, tooth sensitivity, or other signs of teeth grinding, we can help find the best way to protect your smile.  If you think you may be grinding your teeth at night or would like to learn whether a night guard is right for you, contact Gateway Family Dentistry to schedule an appointment. We are here to help you maintain a healthy, comfortable smile.
July 31, 2026
At Gateway Family Dentistry , we recognize that selecting the right toothbrush is essential for oral health. Many patients ask whether electric toothbrushes are better than manual ones. Both can clean teeth effectively when used correctly, but dentists often recommend electric toothbrushes for certain patients because they make brushing easier, more consistent, and more effective. Knowing the differences between electric and manual toothbrushes will help you choose the best option for your oral health. Electric vs. Manual Toothbrushes: What’s the Difference? Both electric and manual toothbrushes remove plaque, food particles, and bacteria. The main difference is how the brushing motion is generated. A manual toothbrush relies on your brushing technique, while an electric toothbrush uses powered movements, such as rotating, oscillating, or vibrating, to clean your teeth. For many, an electric toothbrush makes it easier to maintain proper brushing habits and reach areas that may be missed with a manual brush. Benefits of Using an Electric Toothbrush More Consistent Brushing Motion A key advantage of electric toothbrushes is their consistent brushing motion. Many people do not brush long enough or use proper technique with manual brushes. Electric toothbrushes provide steady movements that can improve plaque removal. Some models include built-in timers to help ensure you brush for the recommended two minutes, supporting healthy brushing habits. Helpful for People With Limited Mobility Electric toothbrushes are very helpful for those with limited hand, wrist, or arm mobility. The powered brush head reduces effort, making brushing easier for people with arthritis or other dexterity challenges. Improved Plaque Removal Research shows that some electric toothbrushes may remove more plaque and minimize the risk of gingivitis compared to manual brushes when used correctly. Regular plaque removal is important to stop oral health issues from happening. Pressure Control Features Many electric toothbrushes have pressure sensors that alert you if you brush too hard. Excessive pressure can irritate gums and wear down enamel. Pressure sensors help protect your teeth and encourage better brushing habits. Are Manual Toothbrushes Still Effective? Yes, a manual toothbrush can still clean effectively when used properly. The most important factors are your technique, brushing frequency, and reaching all areas of your mouth. When using a manual toothbrush, dentists recommend a soft-bristled brush and gentle circular motions. Avoid brushing too aggressively to protect your gums and enamel; focus on thorough, gentle cleaning. What Do Dentists Recommend? At Gateway Family Dentistry , we believe the best toothbrush is the one you use consistently and correctly. For those who struggle with technique, need extra help removing plaque, or possess specific oral health concerns, an electric toothbrush may be a good choice. A manual toothbrush can also be effective when combined with proper brushing habits and regular dental care. Your dentist can help you make the best choice based on your needs, goals, and lifestyle. Regular Dental Care Keeps Your Smile Healthy Whether you use an electric or manual toothbrush, daily brushing and flossing are essential for a healthy smile. Regular dental checkups and professional cleanings help remove buildup, prevent issues, and detect concerns early. At Gateway Family Dentistry , our team is devoted to helping patients keep up with healthy smiles through personalized preventive care and education. We are happy to answer your questions about toothbrushes, brushing techniques, and oral health protection. If you are due for a dental visit or would like customized advice on improving your oral hygiene, contact Gateway Family Dentistry to schedule an appointment. We are here to help you achieve a healthier smile. 
June 30, 2026
At Gateway Family Dentistry, we know that halitosis can impact your confidence and how you feel day to day. Occasional bad breath happens to everyone, but if it sticks around, it could point to a more serious oral health problem. Studying what causes bad breath and how to treat it can help you keep your breath fresh and your smile healthy. Common Causes of Bad Breath Bad breath can have many causes, from everyday habits to dental problems. Figuring out what’s behind it is the first step to finding the right solution. Poor Oral Hygiene Not brushing and flossing well enough is a major cause of bad breath. When food stays in your mouth, bacteria can grow and create bad smells. Plaque that builds up on your teeth and gums can also make bad breath stick around. Dry Mouth Saliva helps clean your mouth by washing away food and bacteria. If you don’t have enough saliva, bacteria can grow faster and cause bad breath. Dry mouth can occur while you sleep, from certain medicines, or due to certain health conditions. Gum Disease Persistent halitosis may point to gum disease. Bacteria under the gums produce toxins and odors that cause halitosis. Treating gum problems early can help keep your mouth healthy and your breath fresh. Certain Foods and Beverages Foods such as garlic, onions, and strong spices can cause temporary bad breath. Coffee and alcohol can also contribute to drying out your mouth. These smells usually go away, but good oral care can help reduce them. Ongoing mouth odor can increase the risk of gum disease, which may contribute to chronic bad breath. Quitting tobacco use benefits not only your breath but also your overall health. How to Treat Bad Breath The good news is that most bad breath can get better with good oral care and healthy habits. Brush and Floss Daily Brushing your teeth twice a day and flossing daily removes plaque that causes bad smells. Don’t forget to brush your tongue, since bacteria often build up there. Maintaining water intake throughout the day helps maintain saliva secretion and washes away bacteria. Maintaining hydration is especially important for individuals who experience dry mouth. Schedule Regular Dental Checkups Routine dental checkups and cleanings help prevent bad breath. Dentists can get rid of bacterial buildup that brushing can’t reach and spot signs of gum disease or other problems that may be causing halitosis. Antibacterial mouthwashes can briefly reduce bacteria and freshen breath. However, antibacterial mouthwashes can help reduce bacteria and freshen your breath temporarily. But remember, they should be used in addition to regular brushing and flossing, not instead of them. If your oral hygiene is poor, it may be time to visit your dentist. Chronic halitosis can sometimes be linked to gum disease, tooth decay, dry mouth, or other medical concerns that require specialist assessment. At Gateway Family Dentistry, we’re here to help you keep your smile healthy and confident with preventive care and helpful advice. Seeing us regularly lets us catch problems early and give you tips that fit your long-term oral health needs. If you’re dealing with persistent bad breath or need a dental checkup, give our office a call to schedule an appointment. We’re here to help you get fresher breath and a healthier smile.
Show More