Ylonen scored a goal on one shot in Thursday's 4-1 win over Philadelphia.
Ylonen remains pointless in 19 straight matches, leading to him being scratched against Boston on Thursday, Arpon Basu of The Athletic reports.
Ylonen (undisclosed) is in Wednesday's lineup against the Devils, per the NHL's media site.
Ylonen recorded an assist and one shot on net over 11:36 of ice time in Saturday's 4-3 shootout win over the Rangers.
Ylonen had an assist and finished plus-2 over 12:30 of ice time in Friday's 5-2 win over Chicago.
Ylonen had an assist over 7:26 of ice time in Wednesday's 4-3 shootout loss to the Penguins.
Ylonen had one shot on net and scored the winning tally in the shootout of Friday's 3-2 win over San Jose.
Ylonen scored a goal on one shot and blocked a shot over 11:01 of ice time in Wednesday's 6-5 shootout loss to Toronto.
Ylonen signed a one-year, two-way contract with Montreal on Monday.
Ylonen was loaned to AHL Laval on Sunday.