National Hydroxyapatite Day 2023: Date, History, Facts about Teeth

National Hydroxyapatite Day is observed every year on May 29. The purpose of this day is to raise awareness of the substance’s applications in the dental industry and to promote innovation in science across the nation.

The background of National Hydroxyapatite Day

Hydroxyapatite is a naturally occurring calcium apatite mineral. The substance crystallises in the hexagonal crystal system. The hydroxyapatite material is white. However, apatites that occur in nature can be brown, yellow, or green. Bone mineral, a modified form of hydroxyapatite, comprises up to fifty percent of the volume and seventy percent of the mass of human bone. Tooth enamel and dentin are primarily composed of carbonated, calcium-deficient hydroxyapatite. Crystals of hydroxyapatite are found in minute calcifications, the pineal gland, and other structures.

In 2019, hydroxyapatite (or its synthesised form, nano-hydroxyapatite) is not extensively utilised. According to a number of studies, it can assist with dentine hypersensitivity, sensitivity after teeth bleaching, and caries prevention. Teeth-whitening agents generate reactive oxygen species, which erode the enamel. To prevent this, add nano-hydroxyapatite to the bleaching solution to reduce the bleaching agent’s impact on the enamel by blocking pores. Following the bleaching process, this reduces sensitivity.

Nano-hydroxyapatite protects teeth from caries by remineralizing them. In the event of an acid attack by cariogenic bacteria, nano-hydroxyapatite particles can permeate the tooth’s surface pores to form a protective layer. In addition, nano-hydroxyapatite may be able to repair caries damage by directly replacing damaged surface minerals or functioning as a binder for lost ions. In the future, nano-hydroxyapatite may be utilised for tissue engineering and repair.

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5 FUN FACTS ABOUT TEETH THAT YOU WILL ENJOY

Did you know that your teeth are as distinctive as your fingerprints?

Since the typical person brushes their teeth twice per day, they will spend nearly 40 days of their lifetime brushing their teeth.

Teeth are stronger than bones and are capable of crushing nearly anything without fracturing.

A human bite is nearly as powerful as a pit bull’s and can weigh up to 200 pounds.

Eighty percent of patients would rather not visit the dentist at all.

NATIONAL HYDROXYAPATITE DAY DATES

Year	Date	Day
2023	May 29	Monday
2024	May 29	Wednesday
2025	May 29	Thursday
2026	May 29	Friday
2027	May 29	Saturday