The Scotland defender required treatment to repair three teeth after a collision with Tottenham's Roman Pavlyuchenko last Saturday.
No standard check up: Caldwell (centre) will feature at Chelsea after the incident against Tottenham last weekend
His availability means the bottom side are at full strength for the daunting encounter at Stamford Bridge.
New signing Connor Sammon is pushing for a first start after three substitute appearances while Mohamed Diame will hope to regain a midfield place.
Team (from): Al Habsi, G Caldwell, Gohouri, Figueroa, Alcaraz, Watson, N'Zogbia, Diame, Moses, McCarthy, Rodallega, Stam, Lopez, Thomas, Gomez, McArthur, McManaman, Cleverley, S Caldwell, Sammon, Di Santo, Boyce, Thomas, Pollitt, Kirkland.
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Explore more:People: Gary Caldwell, Roman Pavlyuchenko Places: Scotland