This project examines sleep (e.g. prevalence of obstructive sleep apnea(OSA)), dimension of upper airway, jaw function, well-being and quality of life in children with large overjet compared to a control group. In addition, the effect of treatment with a mandibular advancement device (MAD) on sleep, upper airway and jaw function are examined, and how these factors affect the children's well-being and quality of life.
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Presence and grade of obstructive sleep apnea
Timeframe: Baseline
Presence and grade of obstructive sleep apnea
Timeframe: 4-8 months from baseline (after expansion plate)
Presence and grade of obstructive sleep apnea
Timeframe: 14-18 months from baseline (after z-activator (MAD))
Oxygen desaturation index (ODI)
Timeframe: Baseline
Oxygen desaturation index (ODI)
Timeframe: 4-8 months from baseline (after expansion plate)
Oxygen desaturation index (ODI)
Timeframe: 14-18 months from baseline (after z-activator (MAD))
Snore Index
Timeframe: Baseline
Snore Index
Timeframe: 4-8 months from baseline (after expansion plate)
Snore Index
Timeframe: 14-18 months from baseline (after z-activator (MAD))
Lowest SpO2%
Timeframe: Baseline
Lowest SpO2%
Timeframe: 4-8 months from baseline (after expansion plate)
Lowest SpO2%
Timeframe: 14-18 months from baseline (after z-activator (MAD))
Average SpO2%
Timeframe: Baseline
Average SpO2%
Timeframe: 4-8 months from baseline (after expansion plate)
Average SpO2%
Timeframe: 14-18 months from baseline (after z-activator (MAD))
SpO2 under 90 %
Timeframe: Baseline
SpO2 under 90 %
Timeframe: 4-8 months from baseline (after expansion plate)
SpO2 under 90 %
Timeframe: 14-18 months from baseline (after z-activator (MAD))
Pulse Average
Timeframe: Baseline
Pulse Average
Timeframe: 4-8 months from baseline (after expansion plate)
Pulse Average
Timeframe: 14-18 months from baseline (after z-activator (MAD))
Oximeter quality %
Timeframe: Baseline
Oximeter quality %
Timeframe: 4-8 months from baseline (after expansion plate)
Oximeter quality %
Timeframe: 14-18 months from baseline (after z-activator (MAD))
Flow quality %
Timeframe: Baseline
Flow quality %
Timeframe: 4-8 months from baseline (after expansion plate)
Flow quality %
Timeframe: 14-18 months from baseline (after z-activator (MAD))
Respiratory inductance plethysmography (RIP) quality %
Timeframe: Baseline
Respiratory inductance plethysmography (RIP) quality %
Timeframe: 4-8 months from baseline (after expansion plate)
Respiratory inductance plethysmography (RIP) quality %
Timeframe: 14-18 months from baseline (after z-activator (MAD))
Estimated sleep efficiency %
Timeframe: Baseline
Estimated sleep efficiency %
Timeframe: 4-8 months from baseline (after expansion plate)
Estimated sleep efficiency %
Timeframe: 14-18 months from baseline (after z-activator (MAD))
Respiration rate
Timeframe: Baseline
Respiration rate
Timeframe: 4-8 months from baseline (after expansion plate)
Respiration rate
Timeframe: 14-18 months from baseline (after z-activator (MAD))
Epworth Sleepiness Scale for Children and Adolescents (ESS(CHAD))
Timeframe: Baseline
Epworth Sleepiness Scale for Children and Adolescents (ESS(CHAD))
Timeframe: 4-8 months from baseline (after expansion plate)
Epworth Sleepiness Scale for Children and Adolescents (ESS(CHAD))
Timeframe: 14-18 months from baseline (after z-activator (MAD))
Berlin questionnaire
Timeframe: Baseline
Berlin questionnaire
Timeframe: 4-8 months from baseline (after expansion plate)
Berlin questionnaire
Timeframe: 14-18 months from baseline (after z-activator (MAD))