While the Bruins rolled out their best offensive performance of the year with a season-high six goals Monday night, there was also plenty of talk about work in the defensive zone that still needs improvement.

The Bruins allowed 40-plus shots for the third time in their last four games during their 6-2 win over the Hurricanes, and were outshot by an 11-2 margin to start things up in the first period.

“I don’t think we’re the best we can be in that [defensive] area,” said goaltender Tuukka Rask. “Especially today, a couple letdowns there. Still, we’ve been pretty solid defensively; that’s our bread and butter . . . Every team goes through phases like [this]. I don’t blame the guys because they’re trying . . . sometimes you just don’t have it.”

On the one hand, the Bruins shook up their lines and found a way to spread out the offense to the four new forward groups. But they also experienced major difficulty breaking the puck out of their zone against heavy Carolina pressure.

What did a notoriously harsh self-critic like Dennis Seidenberg think of Boston’s defensive efforts?

“I think you can judge it yourself," he said. "If you look at the first period, we were under a lot of pressure and we just couldn’t get the puck out of our zone with our passing play. We just have to get sharper, support ourselves a little bit better, and then everything is going to come.

“We’re getting into that phase of the season that we have to get sharp for the playoffs, and we only have, I think, 10 games left now. It comes down to the wire for us to get into playing playoff hockey, and just playing that style of hockey makes you successful going into the postseason.”

On the positive end, the Bruins got better defensively as the game went along and Rask covered Boston’s difficulties with a brilliant 40-save effort, his third straight excellent performance.