Bear drills: Polar bear weighing 94st snoozes through root canal surgery after keepers noticed he had a broken front tooth

• Dr Peter Kertesz performed dental surgery on a bear at Yorkshire Wildlife Park
• The animal doctor carried out a root canal surgery on 94st, three-year-old Sisu
• The young bear urgently needed treatment after staff noticed a broken canine 

Performing routine root canal surgery is second nature for most dentists. Of course, it can be a bit trickier when your patient is a 94st polar bear.

But three-year-old Sisu needed urgent treatment when staff at Yorkshire Wildlife Park noticed a front canine was broken.

So animal dentist Dr Peter Kertesz was called in to sedate the powerful animal and carry out an hour-long root canal procedure to fix the tooth.

Dr Peter Kertesz completed the operation on three-year-old Sisu along with dental nurse Monika Mazurkiewicz and a vet specialised in the use of anaesthetics 

The polar bear required urgent dental treatment after staff noticed he has a broken front canine 

Dr Kertesz said: ‘I was glad we operated swiftly because a broken tooth can lead to severe infection and be very painful.

We cleaned out the infected root canal of the canine tooth, which was over three inches long, and filled it.’

The park is home to eight polar bears and is said to be the largest centre for the animals outside Canada.

The animal doctor carried out the root canal with his team for an hour as the 94st Sisu was sedated 

Charlotte McDonald, the wildlife park’s director of animals, confirmed that Sisu is now ‘fully recovered’ 

Dr Kertesz completed the operation along with dental nurse Monika Mazurkiewicz and a vet specialised in the use of anaesthetics.

He added: ‘It was wonderful that the keepers have been so observant and attentive to the animals, and noticed this.

‘Sisu will now have a pain and infection free tooth for the rest of his life.

‘After the operation, Sisu was standing very quickly, but he was kept in his den to recover fully.’

Charlotte McDonald, the wildlife park’s director of animals, confirmed that Sisu is now ‘fully recovered’.

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