Orthotown October 2016 - 29


Fig. 1: Analysis of vertical facial thirds and lower third

Maxilla
to Cranial Base

Initial
Values

SNA (degrees)

88.5

Mandible to Cranial Base
SNB (degrees)

81.0

SN-MP (degrees)

34.3

FMA (degrees)

25.3

Maxillo-Mandible
ANB (degrees)

7.5

Maxillary Dentition

A 26-year-old patient presented with the
chief complaint that she shows too much gum
and not enough teeth when she smiles. Soft
tissue and facial analysis revealed a dolichofacial
facial profile with a slight increase in anterior
facial height, and an analysis of her vertical facial
thirds and lower third revealed an increase in
lower anterior facial height and mild vertical
maxillary excess (Fig. 1).
Her upper and lower lips were ahead
of the E-line by about 5.5mm and 7.2mm,
respectively. Intraoral examination revealed
mild to moderate crowding in the maxillary

3.9

U1-SN (degrees)

107.0

Mandibular Dentition

Fig. 2: Initial extraoral and intraoral photographs

Clinical diagnosis

U1-NA (mm)

and mandibular arches, Class I molar
relationship and canine relationship, a deep
impinging overbite and overjet of 4.5mm.
Incisal display at smiling was ~100 percent,
with uneven and excessive gingival display of
up to 5mm. The patient did not exhibit any
lip strain at rest and closure (Fig. 2).
Cephalometric diagnosis revealed a
skeletal Class II with an ANB angle of
7.5, primarily due to an increase in SNA
angle (Table 1). Her panoramic radiograph
showed a complete dentition, except for the
third molars and root-canal treatment on
the upper left central incisor (Fig. 3, p. 30).

L1-NB (mm)

9.7

L1-MP (degrees)

98.7

Soft Tissue
Lower Lip to E-Plane (mm)

7.2

Upper Lip to E-Plane (mm)

5.5

Table 1: Initial cephalometric values
and cephalometric radiograph

orthotown.com \\ OCTOBER 2016

29


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Table of Contents for the Digital Edition of Orthotown October 2016

Orthotown.com Highlights
Embrace Progress: What’s In Your Records?
New Products
Poll
Message Boards: HSD/Invisalign/Adult
Message Boards: Phase 1: Anterior Crossbite and Crowding
Interdisciplinary Ortho-Perio Treatment of Excessive Gingival Display
Creating a Strong Scheduling Architecture
Indirect Bonding: A Closer Look
Indirect Bonding: The Tech Effect
Welcome to Digital Orthodontics
Good Vibrations
Ad Index
Orthotown October 2016 - Cover1
Orthotown October 2016 - Cover2
Orthotown October 2016 - 1
Orthotown October 2016 - 2
Orthotown October 2016 - 3
Orthotown October 2016 - 4
Orthotown October 2016 - 5
Orthotown October 2016 - Orthotown.com Highlights
Orthotown October 2016 - 7
Orthotown October 2016 - Embrace Progress: What’s In Your Records?
Orthotown October 2016 - 9
Orthotown October 2016 - New Products
Orthotown October 2016 - 11
Orthotown October 2016 - Poll
Orthotown October 2016 - 13
Orthotown October 2016 - Message Boards: HSD/Invisalign/Adult
Orthotown October 2016 - 15
Orthotown October 2016 - 16
Orthotown October 2016 - 17
Orthotown October 2016 - Message Boards: Phase 1: Anterior Crossbite and Crowding
Orthotown October 2016 - 19
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Orthotown October 2016 - 21
Orthotown October 2016 - 22
Orthotown October 2016 - 23
Orthotown October 2016 - 24
Orthotown October 2016 - 25
Orthotown October 2016 - 26
Orthotown October 2016 - 27
Orthotown October 2016 - Interdisciplinary Ortho-Perio Treatment of Excessive Gingival Display
Orthotown October 2016 - 29
Orthotown October 2016 - 30
Orthotown October 2016 - 31
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Orthotown October 2016 - 35
Orthotown October 2016 - Creating a Strong Scheduling Architecture
Orthotown October 2016 - 37
Orthotown October 2016 - 38
Orthotown October 2016 - 39
Orthotown October 2016 - Indirect Bonding: A Closer Look
Orthotown October 2016 - 41
Orthotown October 2016 - 42
Orthotown October 2016 - 43
Orthotown October 2016 - Indirect Bonding: The Tech Effect
Orthotown October 2016 - 45
Orthotown October 2016 - 46
Orthotown October 2016 - 47
Orthotown October 2016 - 48
Orthotown October 2016 - 49
Orthotown October 2016 - Welcome to Digital Orthodontics
Orthotown October 2016 - 51
Orthotown October 2016 - 52
Orthotown October 2016 - 53
Orthotown October 2016 - Good Vibrations
Orthotown October 2016 - 55
Orthotown October 2016 - 56
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Orthotown October 2016 - Cover4
Orthotown October 2016 - Ad Index
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