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Percentage changes in total implant weight loss at 3 and 6 months (Wt) relative to the original implant weights (W0). The total implant weight loss was calculated based on the nominal weights of the implants (8-µg dose = 40 µg; 15-µg dose = 75 µg; 30-µg dose = 150 µg; 60-µg dose = 300 µg); error bars indicate the standard deviation.
