Scans have revealed that the cause of recent discomfort was bruising rather than anything more serious.
Those results came as a relief to the big defender who has encountered problems with that knee before - including a dreaded cruciate ligament injury back in his time at Wolves.
The big defender completed his first light training session at Spurs Lodge on Monday.
"It's improved a lot," he reported. "Not only that, but scans have showed there is no major problem in the knee, just a bit of bone bruising, so I must have just jarred it and that's what has caused the pain.
"That has set my mind at rest straight away because I've got a bit of history with my right knee so when I get a knock it's always there in the back of my mind.
"I've had a cruciate knee injury, reconstruction and cartilage problems all in my time at Wolves.
"I've had serious injuries there before but even though it's a little painful I know it's something I should be able to play through."
Dean missed our Premiership games against Charlton and Newcastle and felt the problem again in the 1-0 reverse at Southampton on New Year's Day. He's been out since.
He added: "I jarred it about a month ago, just came down on it in training and it's been sore since.
"I came on against Southampton in the first game and that's why I couldn't play in the FA Cup game.
"If it was going to restrict me that much I wouldn't be able to play but it feels better and I've still got a few days until the next game so hopefully I'll have some sort of chance for Saturday."
Dean Richards is targeting a swift return after receiving the news he wanted to hear about his troublesome right knee.