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Progress in Orthodontics

Table 1 The vertical position definitions for smile evaluation used in the study

From: Does different vertical position of maxillary central incisors in women with different facial vertical height affect smile esthetics perception?

Altered vertical position for central incisors

Central incisor edge according to lateral incisor edge

Central incisor gingival margin according to the canine gingival margin

Gingival display amount

 −  1 mm

Matching

1 mm above

0

− 0.5 mm

0.5 mm below

0.5 mm above

0.5 mm

0 mm (standard position)

1 mm below

Matching

1 mm

 + 0.5 mm

1.5 mm below

0.5 mm below

1.5 mm

 + 1 mm

2 mm below

1 mm below

2 mm

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