1 Dent 538 Topics for Today • Closing Diastemata • Shade Matching with Composite Dent 538 Diastema • Diastemata (pl) • A space between two adjacent teeth in the same arch • 25% of american population have a midline diastema (McVay 1984) Dent 538 Etiologic factors • Prominent labial frenum • Congenitally missing teeth • Undersized or malformed teeth • Tooth/arch discrepancies • Habits • Periodontal disease Dent 538 Dent 538 Dent 538