| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | gumshield | Japan | Less commonly used in traditional sports like sumo wrestling or taekwondo, where the focus is on body techniques rather than dental protection. | 1 |
| 2 | gumshield | Japan | Less commonly used in traditional sports, as contact sports like American football and rugby are less prevalent | 1 |
| 3 | gumshield | Japan | Less commonly used, as contact sports like American football or rugby are not as popular | 1 |
| 4 | gumshield | Japan | Not commonly used in traditional sports, as the focus is more on discipline and technique rather than heavy physical contact. | 1 |