Question 221 · LDEK · Model analysis
The index which determines the estimated amount of space for premolars and canines basing on the sum of lower incisors’ width, used in mixed and permanent dentition, is called:
- A. Droschl’s index.
- B. Moyer’s index.
- C. Tonn’s index.
- D. Pont’s index.
- E. Bolton’s index.
Hint
The method uses probability tables and the four lower permanent incisors, which erupt early and vary little in size.
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