Fifty patients' models were examined to find the changes that had taken place in the lower labial segment following the loss of lower first premolars and observation for at least one year. Canines moved favourably into the extraction spaces. The changes in the incisors were not as good as those of the canines and reasons for this are discussed.
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References
1.
CooksonA (1971) Space closure following loss of lower first premolars, Dental Practitioner and Dental Record, 21, 411–416.
2.
MillsJ. R. E. (1967) The stability of the lower labial segments: a cephalometric survey, Transactions of the British Society for the Study of Orthodontics, 54, 11–24.
3.
CryerB. S. (1965) Lower arch changes during the early teens; a survey of 1000 London school children, Transactions of the European Orthodontic Society, 41, 87–99.
