Puzzle 19

Tooth treatment to make them brighter and sparkly

Film director of Top Gun, brother of Ridley

Abrupt and hazardous snowfall in the mountains

Turned aside, deviated

Country that won the 2016 Davis Cup

Those who don't show up where they're expected

Large rotating wheel on the banks of the Thames

Hastily reverse one's opinion or actions

Eat the hearts of this thistle-shaped vegetable

Member of religious sect believes in Second Coming

Necessary