Boston Bruin defenseman Bobby Orr was the only unanimous choice yesterday in the balloting for the National Hockey League East Division All-Star team, which will face the West January 30 in Madison Square Garden.

Goalie Ken Dryden of the Montreal Canadiens was second in the voting, and one of six Canadiens chosen for the team. Joining Orr and Dryden as starters will be Guy Lapointe and Yvan Cournoyer of Montreal, Phil Esposito, the League's leading scorer, of Boston, and Richard Martin of the Buffalo Sabres.