Prepare to sit back and open your mouth wide at the news that this year Father Christmas is swapping his grotto for the dentist’s chair.

Ham & High: Dentists Hugo Haden and Nectar Polycarpou welcome Santa and Christmas Fairy director of Lauderdale House Katherine Ives to Highgate Dental Practice ahead of his Pop Up Lauderdale grotto on December 12 and 13 at the surgery. Picture: Polly HancockDentists Hugo Haden and Nectar Polycarpou welcome Santa and Christmas Fairy director of Lauderdale House Katherine Ives to Highgate Dental Practice ahead of his Pop Up Lauderdale grotto on December 12 and 13 at the surgery. Picture: Polly Hancock (Image: Archant)

St Nicholas usually stops by historic Lauderdale House in Highgate to hand out presents to well-behaved youngsters.

But the 16th-century mansion has closed for a major £2.3million refurbishment, which began in earnest last week.

To make sure children in Highgate don’t miss out on their chance to tell Santa what they want for Christmas, Lauderdale’s staff are to create a “pop-up” grotto at Highgate Dental Practice in Highgate High Street on December 12 and 13.

John Field, who plays Father Christmas, said: “All they have to remember is that all they want for Christmas is their two front teeth!

“I think it’s going to be a lot of fun and thank goodness we found somewhere to go while Lauderdale is being done up. The grotto has been a huge success over the last few years so it would have been a shame to lose it.”

Unlike Mr Field, pictured, children won’t have to lie back in the dentist’s chair in order to receive gifts from Father Christmas. But they will receive a visit from tooth fairies, who will be assisting Mr Field next weekend.

The temporary grotto is part of the Pop-Up Lauderdale season.