1 Porcelain veneers are not made at chairside. 2  Porcelain veneers are fabricated in a dental laboratory and therefore require at least two visits. 3  Composite resin veneers are accomplished in one visit.he major disadvantages of porcelain veneers over composite resin include the following: 1  Porcelain veneers are not made at chairside. 2  Porcelain veneers are more expensive than composite veneers. 3  Porcelain veneers cannot be repaired.
Identification. Common or English thyme (Thymus vulgaris), as the name suggests, is most commonly used as an edible herb. It thrives in U.S. Department of Agriculture plant hardiness zones 5 through 9, and generally grows to between 6 and 12 inches tall.dentification. Common or English thyme (Thymus vulgaris), as the name suggests, is most commonly used as an edible herb. It thrives in U.S. Department of Agriculture plant hardiness zones 5 through 9, and generally grows to between 6 and 12 inches tall.
Nearly one thousand species of plants with edible leaves are known. Leaf vegetables most often come from short-lived herbaceous plants such as lettuce and spinach. Woody plants whose leaves can be eaten as leaf vegetables include Adansonia, Aralia, Moringa, Morus, and Toona species.The leaves of many fodder crops are also edible by humans, but usually only eaten under famine conditions.oody plants whose leaves can be eaten as leaf vegetables include Adansonia, Aralia, Moringa, Morus, and Toona species. The leaves of many fodder crops are also edible by humans, but usually only eaten under famine conditions.