Spontaneous bleeding is a key indicator for considering leukemia in differential diagnosis.

The double flare technique is best suited for preparing fine and curved canals.

Anti-Smith (anti-Sm) antibodies are highly specific for SLE and are found in about 20-30% of patients. While antinuclear antibodies and anti-double stranded DNA antibodies are also associated with SLE, they are less specific as they can also be present in other conditions.

For caries prevention, a 0.2% sodium fluoride mouth rinse is typically recommended for use once weekly. This regimen provides sufficient fluoride exposure to strengthen tooth enamel without causing adverse effects.

Zinc polycarboxylate cement is a water-based cement.