The RSAF Facebook page thanked both the rescue personnel and the SGH team.
Videos of the incident were captured by another passenger.
Both have been closed from 8 to 21 November.
Some devotees drank the supposed sacred water while others sprinkled it on their heads.
"Saying goodbye was not an easy decision," said its co-owners.
The restaurant is listed in the Michelin Guide for its "unmissable" double-boiled soups and dim sum.
"I was glad to see many visitors old and young at Bird Paradise," he said.
The attacker is a 37-year-old Singaporean Sinhalese.
The other passengers managed to escape the bus unharmed.
One memorable show for you, a spoiled show for everyone else.