在美国箭牌公司(Wrigley)的游说之后,口香糖禁令在2004年有所放宽,允许用于医疗用途的无糖口香糖的有限销售。
The ban was relaxed in 2004 after lobbying by Wrigley , the US gum maker , to allow the limited sale of sugar-free gum for medicinal purposes .