Dumbrava was axed for the 48-3 defeat to Argentina, with Tiberius Dimofte preferred at fly-half.
However head coach Romeo Stefan Gontineac has handed the No.10 jersey back to Dumbrava as one of 13 changes.
Cristian Petre and Valentin Poparlan are retained in the second row, while Ionel Cazan, Iulian Dumitras and Ovidiu Tonita also play but in new positions.
Cazan and Dumitras have been named in the centres after starting on the wing and full-back respectively against the Pumas, while Tonita switches to No.8.
Captain Marius Tincu drops to the bench, with Petre set to lead the side.
Romania: 15 Florin Adrian Vlaicu, 14 Stefan Eugen Ciuntu, 13 Ionel Cazan, 12 Iulian Dumitras, 11 Adrian Marian Apostol, 10 Marin Danut Dumbrava, 9 Lucian Mihai Sirbu, 8 Ovidiu Tonita, 7 Cosmin Aurel Ratiu, 6 Sandu Stelian Burcea, 5 Cristian Constantin Petre (capt), 4 Valentin Poparlan, 3 Silviu Florea, 2 Bogdan Zebega Suman, 1 Nicolae Nere.Replacements: 16 Marius Tincu, 17 Paulica Ion, 18 Mihai Macovei, 19 Daniel Gabriel Ianus, 20 Valentin Nicolae Calafeteanu, 21 Csaba Minya Gal, 22 Catalin Marius Nicolae.
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