OKLAHOMA CITY — Science Museum Oklahoma’s beloved Mighty Mouth exhibit is closing temporarily for a major renovation, made possible by a $1.25 million gift from Delta Dental of Oklahoma and its Foundation.

A closing ceremony will be held Nov. 10 at 1 p.m. to celebrate the exhibit, which has educated and entertained Oklahomans about oral health since the 1980s. The revamped version is expected to reopen in February 2026, aligning with National Children’s Dental Health Month.

“Mighty Mouth has been part of Oklahoma’s story for decades,” said Sherry Marshall , John E. Kirkpatrick president and CEO at Science Museum Oklahoma . “Thanks to the support of Delta Dental of Oklahoma and their Foundation, this new era of Mighty Mouth will continue its legacy of smiles, science and prev

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