Semi permanent restorations are indicated in several conditions via with extensive decay in primary and young permanent teeth, teeth deformed by developmental defects or anomalies such as enamel dysplasia or dentinogenesis imperfecta, teeth with hypoplastic defects as these areas are more susceptible to caries due to plaque accumulation, teeth following pulp therapy, as preventive restorations in patient with high susceptibility to caries manifesting it either by gross carious lesion or by rampant caries and in a special child whose lack of oral hygiene may lead to further decay, as an...