Jamie How, who made 64 at the top of the order for the tourists, said of Flynn: "He's undergone a bit of dentist work but he's a tough little fella and he'll be all right.
"It is never nice seeing a team-mate like that and any hit in the helmet causes concern."
Having shared in New Zealand's biggest opening partnership since Mark Richardson and Stephen Fleming broke three figures against England in 2004, How added: "It was nice because when you win the toss and bat it's important to get a good start."
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