1[1]luthardt RG.Stopel M. Hinz M. Clinical. performance and periodontal outcome of temporary crowns and tixed partial denture A randomized Clinical trial[J]. J Prosthet Dent 2000 83:25~32
4Luthardt R G,Stopel M,Hinz M.Clinical performance and periodontal outcome of temporary crowns and tixed partial denture A randomized Clinical trial[J].J Prosthet Dent,2000,83:2532.