This document discusses various analyses used in dental diagnosis and treatment planning including Bolton analysis, space analysis, and mixed dentition analysis. Bolton analysis examines the balance between the mesiodistal diameters of maxillary and mandibular teeth. Specific ratios are calculated for the overall dentition and anterior teeth. Mixed dentition analysis is used to estimate the size of permanent canines and premolars and the available space in the permanent dentition. Other analyses mentioned include measurements of crowding, spacing, tooth size, arch perimeter, and curve of spee. Huckaba's and Moyer's methods are also referenced for predicting premolar and molar sizes based on primary tooth measurements.

1. DIAGNOSIS & TREATMENT
PLANNING
ANALYSIS OF THE DENTITION & OCCLUSION
• -BOLTON ANALYSIS
• -SPACE ANALYSIS
• -MIXED DENTITION ANALYSIS

2. Balance
• BETWEEN THE MESIODISTAL DIAMETER
( SIZE )
• OF MAXILLARY & MANDIBULAR TEETH

3. BOLTON TOOTH RATIO
ANALYSIS

4. Bolton’s Tooth size ratio
• Overall ratio
= mesiodistal width of all mand (12) teeth x 100
mesiodistal width of all max (12) teeth
= 91.3 %
. Anterior ratio
= mesiodistal width of all anterior mand (6) teeth x 100
mesiodistal width of all anterior max (6) teeth
= 77.2 %

5. Crowding and spacing

7. Tooth size

8. Arch perimeter

10. Curve of spee measurement

11. MIXED DENTITION ANALYSIS
• -Estimate of the size of permanent
canines and premolars
• -Estimate of the available space in
permanent dentition

12. Mixed dentition

13. Mixed dentition

15. Huckaba’s Analysis
X Y
True width of premolar on cast x True width of primary molar on cast
True width of premolar on x-ray True width of primary molar on x- ray
x’ Y’
X = Y x X
Y’

16. Moyer’s prediction table

17. Digital models