Patient and population (P)
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Healthy non-syndromic patients with a transverse mandibular deficiency requiring mandibular midline distraction osteogenesis.
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Intervention (I)
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Mandibular midline distraction osteogenesis.
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Comparator or control group (C)
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Bone-borne distraction appliance, tooth-borne distraction appliance or hybrid distraction appliance.
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Outcomes (O)
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Transverse skeletal expansion and relapse of the mandible, transverse mandibular dental arch expansion and relapse, frequency of complications and patient-reported outcome measures.
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Study design (S)
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Randomized controlled trials, controlled trials, case series, retrospective studies.
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Focused question
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Are there any differences in the transverse mandibular skeletal and dental arch expansion and relapse after mandibular midline distraction osteogenesis with a bone-borne distraction appliance, a tooth-borne distraction appliance or a hybrid distraction appliance?
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