Int J Stomatol

Inter J Stomatol ›› 2013, Vol. 40 ›› Issue (4): 456-458.doi: 10.7518/gjkq.2013.04.011

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Clinical observation of the metal-ceramic crowns with shoulder porcelain of anterior teeth

Tang Ying, Yuan Jianming, Pan Feng.   

  1. Dept. of Prosthodontics, The Second Stomatological Disease Institution of Huangpu District in Shanghai, Shanghai 200062, China
  • Received:2013-01-18 Revised:2013-04-20 Online:2013-07-01 Published:2013-07-01

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Abstract:

Objective  To observe the prosthetic effects of the metal-ceramic crowns with shoulder porcelain of anterior teeth clinically. Methods  Forty-two units of metal-ceramic crowns with shoulder porcelain, forty-four units Ni -Cr based porcelain -fuse -metal crowns were observed after one year through clinical methods. Results  There were some differences between the two groups in color match, contour, marginal integrity and health of gum. But the difference between the two groups had no statistic significance. The differences of marginal integrity and marginal discoloration between metal-ceramic crowns with shoulder porcelain and Ni-Cr based porcelain-fuse-metal crowns had high statistic significance. Conclusion  Using metal -ceramic crowns with shoulder porcelain could progress the esthetics in anterior teeth.

Key words: metal-ceramic crown with shoulder porcelain, Ni-Cr based porcelain-fuse-metal crown, anterior teeth, gingival grey line


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