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Can pregnancy damage your teeth? What food cravings, morning sickness and hormones do to your oral health

Can pregnancy damage your teeth? What food cravings, morning sickness and hormones do to your oral health

CNA
Thursday, February 26, 2026 12:44:33 AM UTC

Hormonal changes in pregnancy can increase the risk of bleeding gums and gum disease, while repeated vomiting exposes teeth to acid that may erode enamel.

The rush of hormones during pregnancy may result in nausea, food cravings, mood swings and heartburn – it can also take a toll on oral health.

The increase in hormone levels – particularly oestrogen and progesterone – makes women more prone to developing gum disease such as pregnancy gingivitis and periodontitis, said Dr Chan Boon Hui of KK Women’s and Children’s Hospital Dental Service.

“Gingivitis is a mild form of gum disease which presents with swollen and inflamed gums that bleed easily,” explained Dr Chan, who is an oral and maxillofacial surgeon.

“Untreated, it progresses to periodontitis, a more severe form of gum disease where there is also irreversible loss of bone around the affected teeth. This can eventually lead to tooth loss,” he added.

Dr Patricia Wong, director of Dental Services at National University Polyclinics, said changes in hormone levels affect the way gums react to plaque, the sticky film that builds up on teeth. This increased inflammatory response to dental plaque causes the gums to swell and bleed more easily, and manifest as pregnancy gingivitis.

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