**Cause of Death Revealed for 9-Year-Old Following Dental Anesthesia**
Tragic Death of 9-Year-Old Silvanna Moreno After Dental Procedure in Vista, California A 9-year-old girl from Vista, California, tragically passed away on March 18, 2025, following a dental procedure at Dreamtime Dentistry. The San Diego County Medical Examiner’s Office confirmed that her death was caused by methemoglobinemia, a rare condition associated with excessive nitrous oxide …
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