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Digital Smile Design

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by

Ahmed Salah

on 6 May 2016

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Transcript of Digital Smile Design

Objectives
1-Definition of smile designing
2-Indication and contraindication
3-Important terms before starting smile design
4-Facial aesthetics
5-Methods of smile design
6-Before starting DSD
7-DSD method
7-DSD Vs. waxing up
8-Cases

DSD Vs. waxing up
DSD is much better than waxing up for the following reasons
Important terms before starting smile design
Appearance zone
Facial Aesthetics
1-Facial midline
2-Facial height
3-width of the smile
4-types of smile
5-gingival zenith
6-lip line
Methods of smile design
There is mainly two methods either manual (waxed up smile design) or digital smile design (DSD)
Dentist need to capture frontal photo of the face, normal smile of the patient, retracted mouth, and 12 o'clock picture
Digital Smile Design
(DSD)

Thank
you!
What is smile design?
Smile design is correction of the patient's smile or changing it to aesthetic smile and it's considered as a cosmetic treatment to the desired convex smile (hollywood smile)
It's the part of the mouth that appears while smiling
Balance


It's the location of the midline
Smile line
It's an imaginary line which is along the incisal edge of max. anteriors and lower lip during smiling
Indications
1-defected restoration.
2- Discoloration.
3- Fractures.
4- Attrition
5-Corection of slight malpostion.
6-Diastma closure.
7-Correction of malformation
Contraindication
1-Bruxism.
2-Oral habits causing excessive stress on the
veneer
3-Poor Oral hygiene
4-wide diastema (more than 2mm)
5-when the horizontal and vertical ratio will
be more than 89% because it won't be
aesthetic and it will appear as artificial
N.B. Facial aesthics must be
kept in mind during smile design
Manual or waxed up smile design
It's done by taking impression and then building up the desired smile using wax
Before starting DSD
Normal smile of the patient
Retracted mouth
starting to design the smile
Step. 1
location of the midline, gingival curve, and smile curve
Step. 2
Drawing teeth curve smile line
Step. 3
Apply same curves on retracted mouth photo
Step.4
start making measurements of teeth lengths
step.5
Start drawing smile design
step.6
simply simulate your design
cases
case 1
cont. case 1
case 2
cont. case 2
case 3
1-simplicity
2-time saving
3-ability to simulate the design immediately in the same visit
incisal embrasure

should display a natural, progressive increase in size or depth from the central to the canine
axial tooth inclination
It compares the vertical alignment of maxillary teeth, visible in the smile line, It is progressive increase in the mesial inclination of each subsequent anterior tooth
golden proportion
the width of each anterior tooth is 60% of the width of the adjacent tooth (1.6:1:0.6)
facial midline
facial height
smile width
type of smile
1-convex smile
2-straight smile
3-inverted smile
types of smile
convex
straight
inverted
buccal corridor or negative space
It refers to dark space visible during smile
formation between the corners of the mouth
and the buccal surfaces of the maxillary
teeth.
It should be a minimum.
negative space
wide space
intermediate
space
narrow
space
gingival zenith
Zenith points are the most apical position of the cervical tooth margin where the gingiva is most scalloped. It is located slightly distal to the vertical line drawn down the center of the tooth
lip line
lip line is the amount of gingival display during smiling
high lip line
(gummy smile)
moderate
lip line
low
lip line
case 4
cont. case 4
cont. step 6
Full transcript