By Rachel Raskin-Zrihen

For the second time in just the past few days, the staff of one Vallejo children's dental office came to work to find their nitrous oxide cylinder missing, an employee said. ...

"It happens every year, they come along and try to steal our nitrous," Tolman-Cordero said. "This is the third time this year." ...

"It's horrible," Tolman-Cordero said. "Two this week, though the first time, they took the oxygen by mistake, I assume."

Vallejo Police Detective Jason Potts said he knows of at least one local dentist who stopped using nitrous oxide because he tired of being burglarized.

To read more, see the original article on the Times-Herald.