Marvelena Rady, 3, went to DentalBliss in San Ramon, California, to have a dental procedure done when she died on Saturday, KRON reported.

After having a complication during the procedure performed by Dr. Cheri Dang, Rady was pronounced dead after being transported to San Ramon Valley Regional Center.

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An investigation is being done by the Dental Board of California to figure out what went wrong, and an autopsy is being performed on Rady by the Contra Costa County Coroners Office, according to KRON.