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How long must a California dental office keep patient records when the office closes?

Adult records must be preserved for at least 7 years after discharge. Unemancipated-minor records must be preserved for at least 1 year after age 18 and never less than 7 years. Office closure does not erase the retention floor or the owner's responsibility to manage access.

Last verified
2026-06-09
Reviewer
Mahtab Mansour, DDS, 2026-04-25

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Query patterns

  • How long must a California dental office keep patient records when the office closes?
  • Record retention on closure
  • California closure-retention rules for adult and minor patient records.
  • Record retention on closure California dental law and ethics

Source citations

  • A10 HSC section 123145 record preservation on closure (leginfo.legislature.ca.gov, verified 2026-03-23)
  • B4 Board office-closure practical guidance (dbc.ca.gov, verified 2026-03-23)

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