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Genetic Make-Up Has Little Impact on Dental Health, New Study Finds

May 8, 2019
by University of Melbourne


A new study has found genetic makeup does not predispose people to tooth decay, however, the research did find that children with overweight mothers are more likely to have cavities.

The paper, published in the latest edition of Pediatrics, estimates that one in three Australian children have tooth decay by the time they start school.

Lead researcher Dr. Mihiri Silva, from the Murdoch Children’s Research Institute, said the study looked at the teeth of 173 sets of twins (identical and non-identical) from pregnancy through to six years of age.

“How genetics impacts on dental health has not often been studied,” Dr. Silva said. “This is the first twin study that looks at both genetics and early life risk factors, such as illness and lifestyle.

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