It's time to show off your pearly white teeth, because the NHL is celebrating World Smile Day on Friday.New York Islanders captain John Tavares can barely contain his excitement about the day.Calgary Flames forwards Sam Bennett and Troy Brouwer appear more than willing to smile for the cameras.Colorado Avalanche captain Gabriel Landeskog celebrated by smiling for the hidden in-goal camera.The San Jose Sharks picked the most adorable picture of forward Tomas Hertl to celebrate World Smile Day.New Jersey Devils forward Beau Bennett mimics the smile emoji to show his exuberance for the day.[Tweet from @NJDevils: ���������������� #WorldSmileDay pic.twitter.com/bK4jOXeHgF](https://twitter.com/NJDevils/status/784384890569576452)Don't look now, Vancouver Canucks fans but here comes a smiling Sven Baertschi.The NHLPA is excited that World Smile Day means the NHL season is just five days away.
