Checklist #1: Preoperative Records"

• Polyvinyl impression of the arch to be treated.
• Alginate impression or model of the opposing arch
• Leveled transfer bow record
• Stick bite and c/o bite registration
• Quality slides, photographs or digital images of existing dentition (Figs. 2-5, 9) with matching shade tabs beside them.

A polyvinyl impression is a better material choice for the preoperative model of the arch to be treated because it will allow the technician to fabricate a very accurate diagnostic wax up and therefore a very accurate and longer lasting set of provisional restorations will be achieved. It is at this stage that a blueprint of the final case is created. The horizontally levelled transfer bow record is essential as well as a stick bite aligned with the interpupilary line (Fig. 4). If using digital photography a SLR type digital camera should be used. All images must have excellent exposure in order to be useful.

	Fig. 2		Fig. 3		Fig. 4		Fig. 5		Fig. 9