After completing dental school, a student who wishes to become an orthodontist must enter an orthodontic specialty program. This training requires a minimum of two years to complete, and in some cases may take longer.
A tablet is a wireless, portable personal computer with a touchscreen interface. The tablet form factor is typically smaller than a notebook computer, but larger than a smartphone.
stylus. an instrument of metal, bone, or the like, used by the ancients for writing on waxed tablets, having one end pointed for incising the letters and the other end blunt for rubbing out writing and smoothing the tablet. any of various pointed, pen-shaped instruments used in drawing, artwork, etc.