Stiner's analysis

Steiner analysis
Max. clinical information with least no. of measurementMax. clinical information with least no. of measurement
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S-N planeS-N plane

Steiner analysis
 Skeletal analysis
 Dental analysis
 Soft tissue analysis

Skeletal analysis
Antr. Limit of Mx.
Antr. Limit of Mb.

SNA AngleSNA Angle
Mean value = 82°Mean value = 82°

SNB AngleSNB Angle
MandibleMandible

ANB AngleANB Angle

Occlusal plane AngleOcclusal plane Angle

Steiner analysis
Dental analysis

Dental analysis
Maxillary incisor position
Relating teeth to N-A line
Mandibular incisor position
Relating teeth to N-B line

Mx. C.I. to N.A. line angleMx. C.I. to N.A. line angle
Distance b/w most
antr point of crown to
N.A. line is normally
4 mm.
Distance b/w most
N.A. line is normally
4 mm.

Mb. C.I. to N.B. line angleMb. C.I. to N.B. line angle
Distance b/w most
N.B. line is normally
4 mm.
Distance b/w most
N.B. line is normally
4 mm.

Inter incisal angle angleInter incisal angle angle

Lower incisor to chin
 According to Holdway
distance b/w labial surface
of Mb incisor to N-B line
should be equal (i.e. 4mm)
 Discrepancy
 b/w 2 mm is acceptable
 3 mm is less desirable, but
tolerable
 >4 mm then corrective
measures are indicated

Soft tissue analysisSoft tissue analysis
S lineS line

Stiner's analysis

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