TY - JOUR
T1 - Repair of glass ionomer restorative materials
T2 - Flexure strength of specimens repaired by two methods
AU - Brackett, William W.
AU - Johnston, William M.
PY - 1989/9
Y1 - 1989/9
N2 - This study evaluated the adhesion of newly mixed glass ionomer restorative materials to set materials. The flexure strength of specimens formed by the addition of new material to week-old material by using two different surface treatments was compared with the flexure strength of solid specimens that were 1 week old. All repaired specimens attained at least 44% of the average strength of unrepaired specimens of the same material. Repairs made with a combination of unlike materials were not significantly different from most repairs with like materials. For all materials collectively, repairs made with a 37% phosphoric acid pretreatment were significantly stronger than repairs made with a 40% polyacrylic acid pretreatment.
AB - This study evaluated the adhesion of newly mixed glass ionomer restorative materials to set materials. The flexure strength of specimens formed by the addition of new material to week-old material by using two different surface treatments was compared with the flexure strength of solid specimens that were 1 week old. All repaired specimens attained at least 44% of the average strength of unrepaired specimens of the same material. Repairs made with a combination of unlike materials were not significantly different from most repairs with like materials. For all materials collectively, repairs made with a 37% phosphoric acid pretreatment were significantly stronger than repairs made with a 40% polyacrylic acid pretreatment.
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U2 - 10.1016/0022-3913(89)90328-4
DO - 10.1016/0022-3913(89)90328-4
M3 - Article
C2 - 2681693
AN - SCOPUS:0024722698
SN - 0022-3913
VL - 62
SP - 261
EP - 264
JO - The Journal of Prosthetic Dentistry
JF - The Journal of Prosthetic Dentistry
IS - 3
ER -