FOUNTAIN VALLEY, Calif., June 13, 2016 /PRNewswire/ -- Leading athletic protection and performance brand Shock Doctor announced today a multiyear partnership with the National Basketball Association (NBA) to promote mouthguard adoption among basketball players of all levels.  As part of the agreement, Shock Doctor has been named the official mouthguard of the NBA, Women's National Basketball Association (WNBA), NBA Development League (NBA D-League) and USA Basketball (USAB).