Humanlike 'Teeth' Have Been Grown in Mini Pigs

Scientists have grown tooth-like structures using a combination of pig and human cells, marking a step toward potential alternatives to dental implants, researchers at Tufts University School of Dental Medicine reported.

The team, led by Pamela Yelick and Weibo Zhang, cultivated the structures by seeding cells into pig tooth scaffolds and implanting them in mini pigs' jaws. After two months, the bioengineered teeth developed hard tissue layers similar to natural teeth, including dentin and cementum. While not yet fully formed teeth, the structures could eventually lead to living replacements for lost teeth, addressing limitations of current titanium implants.

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