Oral Health During Pregnancy: What You Need to Know

Pregnant woman holding tooth model near her belly, close-up view. Concept of a dental health during a pregnancy

Pregnancy is a time of joy and anticipation, but also a period where health becomes a primary focus. While most expectant mothers are vigilant about their overall health, oral hygiene often takes a backseat. However, maintaining oral health during pregnancy is crucial not only for the mother but also for the baby’s wellbeing. This blog post explores the unique changes in oral health during pregnancy and underscores the importance of regular dental visits.

Changes in Oral Health During Pregnancy

Here are some of the most common oral health issues that pregnant women may encounter:

morning sickness showing the concept of Oral Health During Pregnancy: What You Need to Know
  • Pregnancy Gingivitis: This is one of the most common dental issues during pregnancy. Hormonal changes increase the blood flow to the gum tissue and can cause the gums to be more sensitive, swollen, and prone to bleeding. If left untreated, gingivitis can lead to more serious forms of gum disease.
  • Tooth Decay: Pregnant women may be more prone to cavities due to changes in eating habits, such as increased snacking, particularly on sugary foods. Morning sickness, which can lead to frequent vomiting, also exposes the teeth to stomach acids that can erode tooth enamel.
  • Pregnancy Tumors: Also known as pyogenic granuloma, these are non-cancerous inflammatory growths that can develop on the gums, typically during the second trimester. They are not dangerous but can cause discomfort.
  • Periodontal Disease: If gingivitis is not properly treated, it can lead to periodontitis, a more severe gum infection that can damage the soft tissue and the bone that supports the teeth. Periodontal disease during pregnancy is a concern because it has been linked to preterm birth and low birth weight.
  • Enamel Erosion: This can occur due to increased exposure to acid from frequent vomiting associated with morning sickness, leading to the erosion of the enamel on the teeth.
  • Dry Mouth: Pregnancy can sometimes lead to a decrease in saliva production, which can increase the risk of tooth decay and infections, as saliva helps to neutralize acids and wash away food particles.
  • Tooth Mobility: Some pregnant women may experience loosening of teeth, not due to gum disease, but due to hormones that affect the bones and ligaments that support the teeth.

It’s important for pregnant women to maintain good oral hygiene and visit their dentist regularly to address these issues promptly and effectively. Regular dental check-ups allow for early detection and management of oral health problems, ensuring both the mother’s and the baby’s well-being.

Oral Health and Pregnancy Complications

The relationship between oral health and pregnancy complications is a significant area of research in maternal healthcare. Emerging evidence suggests that poor oral health during pregnancy, especially conditions like gum disease (gingivitis and periodontitis), can be associated with certain pregnancy complications. Here’s an overview of this relationship:

Preterm Birth and Low Birth Weight: 

There is evidence to suggest a link between severe gum disease and increased risk of preterm birth (delivery before 37 weeks of gestation) and low birth weight (less than 5.5 pounds or 2500 grams). The theory is that inflammation from periodontal disease can contribute to these outcomes. Inflammatory markers from gum infections may enter the bloodstream and potentially stimulate uterine contractions or affect the growth and development of the fetus.


Some studies have indicated a possible association between periodontal disease and preeclampsia, a pregnancy complication characterized by high blood pressure and signs of damage to another organ system, most often the liver and kidneys. While the exact mechanism is not fully understood, it is thought that the systemic inflammation caused by gum disease might play a role.

Gestational Diabetes: 

While the relationship is less clear, there is some evidence suggesting that periodontal disease might affect blood sugar control, which could be a concern for gestational diabetes. Conversely, gestational diabetes can also increase the risk of developing gum disease.

Bacterial Transmission: 

There’s also a concern about the transmission of bacteria from the mother to the baby. Poor oral health can increase the bacterial load in the mother’s mouth, which can potentially be transmitted to the baby, possibly affecting the baby’s future risk of dental problems.

It is important to note that while these associations have been observed, the exact causal relationships are not definitively established and research is ongoing. However, these findings underscore the importance of maintaining good oral hygiene and seeking regular dental care during pregnancy as part of comprehensive prenatal care. This not only helps in managing oral health issues but may also play a role in preventing or mitigating certain pregnancy complications.

Tips for Maintaining Oral Health During Pregnancy

Effective oral hygiene practices during pregnancy are similar to standard recommendations but with increased vigilance. Some tips for maintaining oral health during pregnancy include: 

pregnant woman brushing teeth showing the concept of Oral Health During Pregnancy: What You Need to Know
  • Maintain Regular Brushing and Flossing: Brush teeth at least twice a day using fluoride toothpaste and floss daily to reduce the risk of dental problems.
  • Use Antimicrobial Mouthwash: Incorporate an antimicrobial mouthwash into the daily oral hygiene routine to further protect against gum disease and tooth decay.
  • Adopt a Balanced Diet: Ensure a diet rich in vitamins A, C, and D, as well as calcium and phosphorus, to support oral health and overall wellbeing.
  • Manage Morning Sickness: To counteract the acidic impact of morning sickness on teeth, rinse the mouth with a mixture of a teaspoon of baking soda in water to neutralize stomach acid.
  • Increase Vigilance in Oral Hygiene: Pay extra attention to oral care during pregnancy, as this period requires more diligent oral hygiene practices.

The Role of Regular Dental Visits

Dental care during pregnancy is not only safe but highly recommended. The second trimester is generally considered the best time for routine dental work. Dental X-rays, when necessary, are safe during pregnancy, especially when proper shielding is used. It’s important for pregnant women to inform their dentist about their pregnancy to receive appropriate care.

Regular dental check-ups during pregnancy are vital. These visits allow dentists to monitor oral health, address any issues early, and provide personalized care and advice. Expectant mothers should not hesitate to discuss any oral health concerns or symptoms with their dentist.


Maintaining oral health during pregnancy is essential for the health of both mother and baby. Regular dental visits, along with good oral hygiene practices, can help ensure a healthy pregnancy and a healthy start for the baby. Pregnant women should consult their dentist for tailored advice and care, ensuring their journey to motherhood is as safe and healthy as possible.

Dr. Sisko

Dr. Gerald Sisko graduated from Ohio State University College of Dentistry in 1987. He is an active member of the American Dental Association, the Ohio Dental Association, and the Akron Dental Society where he is currently holding a council position. He has had the honor and distinction of being awarded “TOP DENTIST” in Akron and Cleveland as well as Northeast Ohio for the last several consecutive years.


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