[The clinical observation of tetracycline stained teeth covered by composite resin veneer induced of secondary gingivitis]
Using gingival index,sulcus bleeding index and plaque index of 765 tetracycline stained teeth covered by composite resin veneer after 1/2-3 years were observed.It was found that the incidence of gingivitis was over 60%.The reexamination after three months later showed that the three indexes were significantly improved by grinding teeth proper and teaching standard brushing method.
Gu
J J
JJ
Department of Oral Medicine,School of Stomatology,Shanghai Second Medical University.Shanghai 200011, China.
Hu
C Z
CZ
Wang
B
B