Results: 675

For: randomised controlled trial

Mandibular advancement devices in the treatment of obstructive sleep apnoea

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Randomized controlled trials have previously  addressed the efficacy of mandibular advancement devices (MADs) in the treatment of obstructive sleep apnoea (OSA).  The control used in these studies is usually nasal continuous positive airway pressure (nCPAP). It is frequently found to be superior to MAD therapy. In most of these studies nCPAP was titrated objectively but [read the full story…]

The addition of a maxillary labial bow to the Clark Twin Block has no influence

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The Clark Twin Block (CTB) is a functional orthodontic appliance. Functional appliances contribute to the correction of Class II malocclusions in growing patients through a combination of dentoalveolar and skeletal effects. The aim of this study was to investigate whether the addition of a maxillary labial bow has any effect on the inclination of the [read the full story…]

Can vitamin D supplementation improve mental well-being?

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There are a number of epidemiological studies that suggest a clear relationship between levels of vitamin D in the body and mental well being, but to date there has not been a large scale randomised controlled trial that proves that vitamin D supplementation (serum 25-hydroxyvitamin D levels) can improve mental health. An Australian research team [read the full story…]

Sertraline and mirtazapine do more harm than good for people with dementia and depression

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Depression is common in patients with dementia and antidepressants are widely prescribed for this population although the evidence remains limited. This randomised controlled trial conducted by researchers at the Institute of Psychiatry in London and published in the Lancet, explored the safety and efficacy of two widely-used drugs (sertraline and mirtazapine) in patients with dementia and [read the full story…]

Hypnosis reduces temporomandibular disorder pain

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The aim of this trial was to assess the effect of hypnosis on self-reported pain and the blink reflex (BR) in temporomandibular disorder. Forty three patients with a diagnosis of persistent (>6 months) myofascial pain Iab  according to the Research Diagnostic Criteria (RDC/TMD) were  randomized to hypnosis or control (nonhypnotic relaxation). Pain intensity was assessed [read the full story…]

Problem-solving therapy beats supportive therapy at reducing disability in old people with depression and executive dysfunction

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Older people who suffer from depression and executive dysfunction experience significant levels of disability and often don’t respond well to conventional drug treatments. This randomised controlled trial conducted by researchers from Weill Cornell Medical College in New York State, attempted to find out if problem-solving therapy is better than supportive therapy for reducing disability in older [read the full story…]

Vacuum-formed and Hawley retainers equally effective at preventing orthodontic relapse at one year

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Long term studies have shown that relapse occurs  in around 70%  of  orthodontic treatment.  However it is difficult to predict either those cases that will relapse or the degree to which it will occur. The aim of the this study was to compare the effectiveness of vacuum-formed and Hawley retainers in maintaining arch width as [read the full story…]

Treating pain in dementia reduces agitation and may help reduce unnecessary prescriptions of antipsychotics

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Many people with dementia experience pain, but often find it difficult to communicate this to their carers and the pain is therefore manifested as agitation instead. A randomised controlled trial published in the British Medical Journal looks at a systematic approach to the treatment of pain, to see if it can reduce agitation in people with [read the full story…]

Rapid maxillary expansion and headgear, or headgear alone increases eruption success rate of palatally displaced canines

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The prevalence of palatally displaced permanent canine teeth varies between 0.8 and 5.2 % . The aim of this trial was to test the effectiveness of cervical pull headgear  and  rapid maxillary expansion and cervical pull headgear on the eruption of palatally displaced canines. They  randomized 64 patients with to one of three groups: cervical [read the full story…]

Stepped care is no better than usual care in treating depression and anxiety in primary care

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There are increasing levels of interest in stepped care models to treat mental health problems in primary care. This randomised controlled trial investigated the effectiveness of a stepped care programme for treating depression and anxiety in 120 adults (aged 18-65 years with minor or major DSM-IV depressive and/or anxiety disorders) in general practice.  Patients were [read the full story…]