We just install CTD 5.2 and we have character accent problem with Oracle 10g

CTD 3.1 - SqlTalk version 8 - sqlora32.dll version 3.0.0.13322
select * from t_activite ;
2 Pré-Traitement 0 0 0 0 0 0 1 1 1 0 1 1 1 1 0 0 1
5 Co-incinération 0 1 0 1 0 0 1 0 0 0 0 1 1 1 1 0 1
CTD 5.2 - SqlTalk version 5.2.1 Build 15186 - sqlora32.dll version 5.2.1.16227
select * from t_activite ;
2 Pri-Traitement 0 0 0 0 0 0 1 1 1 0 1 1 1 1 0 0 1
5 Co-inciniration 0 1 0 1 0 0 1 0 0 0 0 1 1 1 1 0 1
Thanks for help
Sébastien