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Oral-B 3750 Manual page 11

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Replace brush (head) every
3 months or sooner if brush
head becomes worn or no
longer fits properly. For
tooth brushing only. Do not
chew or bite on brush. Do
not use as a toy or without
adult supervision.
Manufacturing date code:
To determine the year and
week of manufacture, you
may refer to the production
code located on the mold of
the device. (Visible, when
the cap is removed)
First digit of the production
code refers to the year of
manufacture. Next two
digits refer to the calendar
week of manufacture.
Example: «147» – means the
product was manufactured
in week 47 of 2021.

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