Arsenal manager Emery said he enjoyed a "relaxing" three days with Ozil in training after the player's retirement from global football meant he did not depart with the Germany squad last week.
"The players have the habits to play in the worldwide break, in important matches, defending their identity and when one player stops doing that, I think it is also good for them to focus only on their team", said Emery on Thursday.
Ozil's retirement from worldwide football came after he made claims of racism from the German football association.
Ahead of Unai Emery's media conference on Thursday, here's the latest team news update from our medical team.
All players on global duty last week returned in good health and are available for selection, Arsenal said.
Granit Xhaka continues to split opinion among the fans as while he's so important to our build-up play, he is a liability when we're not in possession.
There have been calls for Stephan Lichtsteiner to come in at right-back but I think Hector Bellerin will keep his place and he should once again line-up alongside Nacho Monreal, Shkodran Mustafi and Sokratis in the back four.
Chief executive Ivan Gazidis' future looks less certain, though, with AC Milan having re-opened negotiations with him. "I don't know any other news from him".