Ancient Adhesive Kept the Maya Free from Tooth Decay

The Mesoamerian Mayans, a group of indigenous people who lived over 4000 years ago, would adorn their teeth with precious stones because they thought their breath was linked to deity’s. The Maya dentists used adhesive sealants to apply coloured stones the recipients’ teeth after creating small holes.

However, researchers have discovered that this may go beyond aesthetics as the sealant adhesive is composed of elements that can reduce the chances of oral decay and infections. The glue itself is also ‘remarkably durable’, with the bulk of the jewels remaining on the tooth for more than 1,000 years.

Richard Kemeney from Science Magazine explained that ‘the nature of the binding agent has long been a mystery.’ However, a recent study identified 150 organic compounds, many of which are frequently present in plant resins.

Gloria Hernández Bolio, a biochemist and researcher for the study added that ‘each ingredient has a specific task. Most important for them was the binding properties.’

The ingredients include Sclareolide, which is found in Salvia plants containing antibacterial characteristics, and pine sap, which can combat oral microbes and prevent tooth decay. As well as oils from mint plants which have potential anti-inflammatory capabilities.

According to Vera Tiesler, a bioarchaeologist, the Maya valued dental health. Janaab’ Pakal, a Maya ruler, passed away at the age of 80 with almost all of his teeth present and no signs of dental problems.

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