Skip to main content
. 2023 Oct 24;23:789. doi: 10.1186/s12903-023-03515-9

Fig. 4.

Fig. 4

Mean color differences (∆E) of the tested resin composites after 84 days of immersion in Energy drink and after repolishing. (A) Hand polished surface. (B) Machine polished surface. Values exceeding the dotted line indicate clinical unacceptability (∆E ≥ 3.3)