At half time Ireland lead Wales 13-10 in a pulsating opening Six Nations clash between the two sides.
Ireland got the first points of the game courtesy of two Jonny Sexton penalties.
The home side also scored the game's first try through scrum-half Conor Murray.
Wales struggled in the opening 20 minutes with Dan Biggar going off early with an ankle injury.
But Taulupe Faletau went over just before the break helping to bring Wales back to within three points of the home side.
Liam Williams will start at 15 for Wales in this afternoon's Six Nations game with Ireland after a hamstring injury ruled out Gareth Anscombe.
The New Zealand born fullback is expected to train fully next week ahead of Wales' home game with Scotland.
CONFIRMED: L. Williams (15) to start with Anscombe out with tight hamstring. Williams in Dublin as travelling reserve. 1/2 #iamwales
Anscombe expected to take part in full training next week 2/2
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Ireland team to face Wales in Dublin on Sunday:
S Zebo (Munster), A Trimble (Ulster), J Payne (Ulster), R Henshaw (Connacht), K Earls (Munster), J Sexton (Leinster), C Murray (Munster), J McGrath (Leinster), R Best (Ulster, capt), N White (Connacht), D Toner, M McCarthy (both Leinster), CJ Stander, T O'Donnell (both Munster), J Heaslip (Leinster).
Replacements: S Cronin (Leinster), J Cronin (Munster), T Furlong (Leinster), D Ryan (Munster), R Ruddock (Leinster), K Marmion (Connacht), I Madigan, D Kearney (both Leinster).
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It says everything about Wales' plentiful back-row resources that Justin Tipuric has not started a test match in the Six Nations Championship for two years.
The Ospreys openside flanker and British and Irish Lion will end his wait when Wales launch their Six Nations campaign against Ireland on Sunday.
Almost two thirds of his 38 caps have been won off the replacements' bench, shadowing an outstanding Wales back-row.
It's obviously tough, but you have got to look at the quality in our team, the strength in depth of our back-rowers.
If you are on the bench, you are still a big part of the team. I just want to make sure I do the right thing for the team.
Sam is a quality player, and when you play with any player with that quality, you know what type of game they have so you just have to support them.
We know each other's games a lot more now after five years together in the Wales squad. The more time you spend with someone, the more you get to know their game.