First night effect of an interocclusal appliance on nocturnal masticatory muscle activity

Hiyama, Shigetoshi; Ono, Takashi; Ishiwata, Yasuo; Kato, Yoshiyuki; Kuroda, Takayuki

doi:10.1046/j.1365-2842.2003.01017.x

Cited by 43 publications

(35 citation statements)

References 25 publications

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“…Several studies have been proposed to elucidate the splint action such as the modulation of neuromuscular function, relief of temporomandibular joints' loads and psychological effects (Hiyama et al, 2003). Glaros and Rao (1977) suggested that some studies had demonstrated changes in the masticatory muscular activity after the sear of OC wear in awaken patients.…”

Section: Introductionmentioning

confidence: 99%

Behavior analysis of electromyographic activity of the masseter muscle in sleep bruxers

Amorim

Giannasi

Ferreira

et al. 2010

Journal of Bodywork and Movement Therapies

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Section: Introductionmentioning

confidence: 99%

Behavior analysis of electromyographic activity of the masseter muscle in sleep bruxers

Amorim

Giannasi

Ferreira

et al. 2010

Journal of Bodywork and Movement Therapies

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“…Okeson 22 found that wearing soft occlusal splints increased bruxism, whereas, hard occlusal splints worn by the same subjects reduced nocturnal clenching and grinding behaviour. More recently, Hiyama et al 23 confirmed the observation of a reduction in nocturnal masticatory muscle activity for hard splints. Certainly, hypertrophy of the muscles of mastication principally masseter muscles is a feature of migraineurs with parafunctional 16 activity as are mandibular tori.…”

Section: Discussionmentioning

confidence: 86%

Fitting acrylic occlusal splints and an experimental laminated appliance used in migraine prevention therapy

et al. 2006

Br Dent J

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Objective To evaluate clinical procedures and chair time required to seat and adjust hard, heat-cured acrylic occlusal splints and an alternative laminated appliance developed to simplify construction of migraine prevention appliances. Design and setting Single-centre study in the Oral Medicine Clinic, The Royal Hospitals, Belfast, Northern Ireland. Method Questionnaires were distributed, January-May 2003, to operators fitting occlusal splints for 100 consecutive patients selected for migraine prevention therapy. Half the appliances were made in heat-polymerised acrylic with the remainder using a novel combination of ethylene vinyl acetate and light-curing urethane dimethacrylate. Information on operator experience, the nature of any fitting surface and occlusal adjustments together with an estimate of the time taken to make alterations was recorded. Key findings The need for adjustment to seat appliances intraorally was significantly less for migraine prevention appliances made using an experimental laminating technique. Where modifications were necessary, there was no significant difference in the chair time required to fit either the heat-cured hard or experimental laminated migraine prevention appliance. Conclusion Provision of migraine prevention appliances may be more time efficient if the dental practitioner considers a laminated approach to construction.Migraine is a debilitating condition characterised by a throbbing headache and often accompanied by phonophobia, photophobia and nausea or vomiting. 1 Prevention and treatment of migraine attacks include conventional drug, complementary and alternative therapies. [2][3][4][5] The use of occlusal splints has been demonstrated to reduce the incidence of migraine attacks for selected patients 6 and in this context the design of the appliance is important. 7 Descriptions of rigid thermoformed, self-cured, and photopolymerised together with resilient and combination hard/resilient occlusal splints have been reported in the literature. 8,9 Hard heat-cured acrylic persists as a material of choice for occlusal splints not least because the materials and processes used are common in most general dental laboratories. [10][11][12] Appropriate eradication of undercuts when overlaying hard oral structures such as teeth with rigid materials during the construction process is difficult however and may cause problems when seating an appliance at the fitting stage.The aim of this investigation is to identify the extent and nature of problems encountered when fitting heat-cured occlusal splints of proven design for migraine prevention therapy. An experimental splint of similar design, using alternative materials and a novel construction process, is described and the intra-oral fitting experience of the two appliances compared. MATERIALS AND METHODSOne hundred consecutive patients selected for migraine prevention therapy were prescribed alternately either a heat-cured or experimental laminated migraine prevention appliance. A sample size of 50 in each group ensured power of...

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“…Occlusal splint treatment is still a common therapy in clinical treatment of splint [7], but it needs long-term therapy in order to have slow improvements in sleep bruxiam [8]. This study has focused on the treatment of a splint called "Yin Xinmin" splint.…”

Section: Discussionmentioning

confidence: 99%

A preliminary study on the treatment of bruxism by biofeedback therapy

Yin¹,

Yin²

2014

OJST

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Objective: To evaluate the effect of wireless biofeedback therapy on bruxism. Methods: Fifteen bruxiers participated to be treated by this therapy. The abnormal movements of teeth during sleep were monitored by a maxillary splint with an electric resistance strain gauge. Meanwhile, the receiver device recorded these details and analyzed the data, including the value of the biting force, occurring time and duration. If the value of biting force or duration exceeds the threshold, a vibrating device like a watch style will alert the patient to relax the masticatory muscles and nervous system to stop the abnormal grinding or clenching. Data were recorded during 8 hours' sleep and analyzed after the 12 weeks' treatment and 24 weeks' treatment. Results: The average episodes of bruxism have declined from (10.60 ± 1.23) to (6.60 ± 0.75) after 12 weeks' treatment (p < 0.05), and the average duration of bruxism events was reduced from (13.2 ± 0.74) s to (6.50 ± 0.40) s (p < 0.05). The average episodes of bruxism have declined to (3.80 ± 0.64) after 24 weeks' treatment, and the average duration of bruxism events was reduced to (3.37 ± 0.34) s (p < 0.05). Conclusions: The results suggest that biofeedback therapy can be effective for bruxism treatment.

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First night effect of an interocclusal appliance on nocturnal masticatory muscle activity

Cited by 43 publications

References 25 publications

Behavior analysis of electromyographic activity of the masseter muscle in sleep bruxers

Behavior analysis of electromyographic activity of the masseter muscle in sleep bruxers

Fitting acrylic occlusal splints and an experimental laminated appliance used in migraine prevention therapy

A preliminary study on the treatment of bruxism by biofeedback therapy

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