If the cavity is still very small, the best form of treatment would be getting a pit and fissure sealant applied by a dentist. This would require no drilling unless the cavity is large and in that case proper restorative procedures are carried out.
Mildew is a form of fungus. It is distinguished from its closely-related counterpart, mold, largely by its color: molds appear in shades of black, blue, red, and green, whereas mildew is white.orticulturalists classify mildew differently than most other people. In horticulture, mildew is either species of fungus in the order Erysiphales, or fungus-like organisms in the family Peronosporaceae. It is also used more generally to mean mold growth.
Powdery Mildew Tree Disease. Powdery mildew is a common disease that appears as a white powdery substance on the leaf surface. It attacks all kinds of trees. Trees most commonly affected by powdery mildew are linden, crabapple, catalpa and chokecherry, but almost any tree or shrub can get powdery mildew.