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most common site of diastema
maxillary centrals
2nd most common site of diastema
between central and lateral incisors
diastema causes
prominent labial frenum
congenitally missing teeth
small teeth/interarch tooth size discrepancy
hereditary
tongue thrust
perio disease
posterior bite collapse
diastema treatment
determine cause
ortho, composite, veneers or crowns
diastema closure complications
assymetrical widths
inappropriate length:width
incorrect midline position/angle
cervical ledges
poor emergence profile
poor contact area
residual black triangle
maximum height maxillary central
width x 1.33
minimum height maxillary central
width x 1.25
On average, central incisors and canines are approximately ______ in length and are _____% longer than lateral incisors.
equal
20
when the measurement from the contact point to the crest of bone was ___ mm or less, the papilla was present almost 100% of the time.
5
When the distance was ____ mm, the papilla was present 56% of the time.
6
When the distance was ___ mm or more, the papilla was present 27% of the time or less
7
bioclear
premade clear stent for diastema closure
width to length ratio
80%
golden proportions central:lat:canine
1.6:1:6
