Early childhood caries and associated risk factors among preschool children in Ras Al-Khaimah, United Arab Emirates.

Aim: To investigate the prevalence and contributing factors of early childhood caries (ECC) in preschool children of Ras Al-Khaimah (RAK), United Arab Emirates (UAE).

Study Design: Cross-sectional.

Methods: The sample consisted of 540 healthy preschool children between four and six years of age attending 10 nursery schools in RAK, UAE.

Alkaline pulping of some eucalypts from Sudan.

Four eucalypts (Eucalyptus camaldulensis, Eucalyptus microtheca, Eucalyptus tereticornis and Eucalyptus citriodora) grown in Sudan were examined for their suitability for pulping and papermaking with different alkaline methods. Their physical, morphological and chemical characteristics are reported. The pulping trials with E.