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A longitudinal investigation of changes of signs and symptoms of mandibular dysfunction over four to five years was performed, by means of questionnaires and clinical examination, in 240 children, ages 7, 11, and 15 years at the first examination. The objective of this part of the study was to analyze correlations between some occlusal and other factors,(More)
Two-hundred-and-thirty-eight subjects in three different age-groups (7, 11, and 15 years) were followed over a period of 4-5 years in respect of morphological malocclusions, and signs and symptoms of functional disturbances. About half of the 7-year-olds had at least one of the morphological malocclusions registered while the corresponding figure was 38 per(More)
The influence of dental status, occlusal interference, occlusal anomalies, and general background variables on bruxism and subjective symptoms and clinical signs of mandibular dysfunction has been studied in children. Three samples of children, aged 7, 11, and 15 years, were included. The interrelations were analyzed by rank-correlation and stepwise(More)
Occlusal variables and clinical signs of functional disturbances of the masticatory system were studied with respect to intra- and inter-observer differences in 11-year-old children and adults. Inter-observer differences were present in all registrations made. They were relatively small when measuring the movement capacity of the mandible but large when(More)
Fourhundred and two (402) schoolchildren in the age-groups 7, 11 and 15 years answered a questionnaire concerning headache. Recurrent headache was reported by 23% of the children, while 52% said that they had headache occasionally. Headache was more common among the older children than among the younger ones, and in the oldest age-group headache was more(More)