B

base
a protective cement-layer applied under a filling or crown that decreases its sensitivity to heat or cold

block injection
applying anesthesia to a large area of the jaw, the teeth, and the tongue

bonding
applying a tooth colored substance to repair and/or change the color or shape of a tooth

bone loss
decrease in bone-substance supporting the roots of teeth caused by gum disease

bracket
a metal or ceramic part that is glued onto a tooth and serves as a means of fastening the arch wires of braces

bridge
a way of replacing a missing tooth with a cemented (non-removable) restoration; it is supported on either side of the missing tooth by crowns (abutments); the space is filled by a false tooth (pontic)

bruxism
clenching or grinding of the teeth, especially at night