6. DIAGNOSTIC SETUP
H.D. Kesling (1956)
Supplemental diagnostic aid
Practical aid in treatment planning
Derive maximum clinical information
A set of trimmed & polished casts
7. DIAGNOSTIC SETUP
Individual teeth & associated alveolar
processes- sectioned off & replaced in desired
positions
Simulate the various planned tooth
movements
Not necessary to coordinate with
cephalometric tracing
Allowance for inevitable anchorage loss
9. PROCEDURE
Maxillary & mandibular study casts prepared
Bases trimmed parallel to the occlusal plane
Horizontal cuts made in the mandibular cast
3mm below the gingival margin using
Fretsaw blade
10.
11. PROCEDURE
Vertical cuts are made to separate individual
teeth
All teeth except second & third molars are
removed
Mesial & distal ends of roots of teeth are
trimmed – seating in new position
12.
13. PROCEDURE
Wax blocks placed in the slits formed while
cutting the teeth away
Mandibular incisors arranged on the study cast
at an angle of 65 degrees to the Frankfort
Horizontal plane
Canines & premolars are placed in the correct
contact relationships
14.
15. PROCEDURE
If the remaining space is inadequate to receive
the first molars extraction indicated
Eliminate 1st premolars from the setup & place
2nd premolars in contact with canine or perform
incisor or proximal stripping
Maxillary teeth cut & repositioned in the wax
setup articulating them with the mandibular
setup
16.
17.
18. USES
TSALD – directly visualised
Estimates if uprighting of the 2nd molars could
solve the arch length discrepancy
Visualizes complex orthodontic treatment
Possibility of aligning incisors
19. USES
Borderline cases:
Extraction / non extraction
1st premolar or 2nd premolar
Possible types of occlusal arrangement in
abnormal occlusal problems
Patient can be motivated- simulating various
corrective procedures
20. CONCLUSION
Diagnostic setup – very valuable diagnostic
aid
Routine use - better treatment plan & patient
motivation
21. BIBLIOGRAPHY
Textbook of Orthodontics- Gurkeerat
Singh, 2nd edition
Orthodontics- The Art and Science- S.I.
Bhalajhi, 4th edition
Textboook of Orthodontics- M.S. Rani, 3rd
edition
Prep Manual for Undergraduates- Sridhar
Premkumar