The aim of this study was to identify the role of psycho-social factors in headgear compliance. Fifty-one patients, with an Angle Class II division 1 malocclusion comprised the study sample. The treatment plan aimed to correct the malocclusion using cervical pull headgear. An electronic module timer was attached to the neckstrap to evaluate the number of hours the patients wore the headgear. One of their parents was asked to answer the Child Behaviour Checklist (CBCL), which defines a patient's behaviour. The patients were monitored for 6 months and the modules were measured at the end of each 2 month period. Mann-Whitney U and Chi square tests were used to analyse the data. The patients were separated into groups according to their compliance. The results showed that although there were significant differences in the use of headgear between the groups (P < or = 0.001), age, gender, and CBCL subgroup scores were not statistically significant (P > 0.05).
The aim of this research was to study headgear co-operation using an objective measuring instrument, the Compliance Science System (CSS). Forty-six patients were included in the investigation, 32 girls and 14 boys (10-15 years of age; mean 13 years). The patients, who were not informed that they were being monitored, were instructed to wear the headgear, with an electronic module timer attached to the neckstrap, for 16 hours per day. At the end of 2 months (T1), the time for which the headgear was worn was measured. At this stage the patients were divided into two groups: group 1 (unco-operative patients) who wore the headgear for less than 16 hours per day, and group 2 (co-operative patients) who wore the headgear for at least 16 hours per day. Only the unco-operative patients were informed that they had been monitored, and a subsequent 4 month treatment period was initiated for both groups. The time was also measured at the end of the second (T2) and third (T3) 2 month treatment periods. The unco-operative patients increased their use of the headgear to approximately 4.5 to 6 hours per day (P < 0.05). All of the co-operative patients also used their headgear as recommended during the 4 month period.
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