"I would need to see it again on the telly. He has clocked me but I think it was accidental.
"I thought I had lost my teeth. It was an elbow but I have to stress I think it was accidental. I have pulled him and he is obviously getting his arm out the road. I spoke to him as I was going up the tunnel and he said 'you were pulling me'. It's just one of those things. Celtic were leading through a Georgios Samaras overhead-kick at the time and strolling through the game but Dundee made a game of it after the interval.
Fraser Forster made a one-handed stop from Colin Nish's close-range header but Celtic improved after James Forrest came off the bench and Gary Hooper's lob sealed the win in the 71st minute and sent the Hoops seven points clear at the Scottish Premier League summit.
Celtic skipper Scott Brown said: "It wasn't the best performance but we ground out the result and got the points.
"They came out fighting in the second half, gave everything they had and had a few chances but we created a lot more chances.
"That's six wins on the spin and we want to continue this."