The objective of this investigation was to evaluate the clinical performance of composite restorations in enamel
hypomineralised posterior teeth.
52 composite restorations were placed in 52 permanent molars of 46 children, aged 8-10
years. All the teeth were clinically diagnosed as hypomineralised and restorations were placed on two or more surfaces of the teeth,
including cusps. All treated teeth had at least 2 sound surfaces, thus excluding defective teeth with total disruption of the crown. The
materials used were a hybrid composite and a fourth generation one-bottle adhesive material and manufacturer's instructions were
carefully followed. The restorations were initially evaluated 7 days after the treatment and subsequent evaluation was performed at 12,
24, 36, 48 months. Clinical evaluation of the restorations was made according to the criteria of Ryge 1980.
cases, postoperative complaint was relieved after occlusal re-adjustment at the second appointment, 7 days later. At the end of the 48
months study period, 49 restorations were available for evaluation, all with full retention. Radiographically there was no periapical
pathology. Problems were found in colour match in 10, surface appearance in 3 and anatomic form in 4 restorations. Hypersensitivity
was recorded in 17 teeth after one week and in 3 teeth one year later. All teeth were sensitivity free after two years and until the end of
the study period. CONCLUSIONS: Composite resin restorations using contemporary materials, in certain cases of hypomineralised
permanent molars, can be an acceptable restorative procedure with satisfactory long-term results.
Vol.4 – n.3/2003
Harvard: N. A. Lygidakis, A. Chaliasou, G. Siounas (2003) "Evaluation of composite restorations in hypomineralised permanent molars: a four year clinical study", European Journal of Paediatric Dentistry, 4(3), pp143-148. doi:
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