Yes, Sabo was depicted as missing a tooth during the flashback sequence in One Piece.
During the memorable flashback that details Monkey D. Luffy's childhood and the formation of his bond with Portgas D. Ace and Sabo, it is explicitly shown that Sabo had a missing tooth. This detail was part of his distinct appearance as a 10-year-old boy.
Sabo's Appearance During the Flashback
When Sabo was first introduced as a child alongside Luffy and Ace, his physical characteristics were clearly defined, contributing to his unique presence in their brotherhood. His missing tooth was a noticeable aspect of his design during this period.
Key features of Sabo as a 10-year-old:
- Age: He was 10 years old, the same age as Ace at that time.
- Eyes: He had round eyes.
- Hair: His hair was short and curly blond.
- Distinctive Feature: He was depicted with a missing tooth.
This particular trait helped to make his character instantly recognizable during the crucial childhood arc that shaped the future of the three sworn brothers.