1. A computerized system for modeling of a pontic to facilitate orthodontic treatment of the teeth of a patient, said computerized system comprising: a microprocessor; a memory device; and wherein said computerized system for modeling of the pontic is configured for: automatically determining whether a pontic object is desired for a space located between two teeth; generating an original pontic geometry to provide an initial pontic object; and generating stage-dependent pontic geometry based on size characteristics of the space between the teeth.