
Health
**KFF Health News provided photos must include credit/caption and can only be used with the original KFF Health News story**.
By Lia Carter
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Dentist John Renzi replaces a cracked filling for Alma Walton. “You got here just in time,” Renzi told her before he began drilling. “Any longer and this tooth would have been a goner.” (Eric Harkleroad/KFF Health News/TNS) **KFF Health News…