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Ortodonti i relation till oral funktion

Artikel i vetenskaplig tidskrift
Författare Marianne Bergius
Stavros Kiliaridis
Marie Marklund
Publicerad i Tandläkartidningen
Volym 99
Nummer/häfte 2
Sidor 52-59
Publiceringsår 2007
Publicerad vid Institutionen för odontologi
Sidor 52-59
Språk sv
Ämnesord Ortodonti, orofacial funktion, käk-och bettutveckling, funktionshinder, sömnapné
Ämneskategorier Ortodonti, Övrig odontologi

Sammanfattning

The association between the activity of masticatory muscles and craniofacial development has been studied in humans as well as in animals. The common finding of these investigations is that the muscles closing the mandible influence the transversal and the vertical dimensions of the craniofacial skeleton. The loading of the facial bones due to masticatory muscle function may stimulate sutural growth and increase bone apposition, leading in turn to an increase of the transversal growth of the maxilla and broader bone bases for the dental arches. The big functional demands of the masticatory muscles are often associated with anterior growth rotation pattern and well-developed angular, coronoid, and condylar processes in the mandible. Individuals with disabilities have an increased prevalence of malocclusion and poor oral function. Behavioural problems and deviating orofacial growth and function will complicate the orthodontic treatment. But with behavioural and various treatment modifications, those patients can achieve a well adopted orthodontic treatment. The treatment may improve the facial appearance, achieving a better mouth closure and improve the possibilities of eating and speaking. The development and critical evaluation of treatment methods aiming towards normalizing craniofacial and occlusal development is essential. Modified functional appliances such as the "mandibular repositioning appliance" (MRA) has in placebo-controlled studies been shown to reduce periods of respiratory arrest and snoring in patients with mild sleep apnea. This method may also be an alternative in more severe cases where patients do not accept treatment with continuous overpressured air (CPAP). Successful treatment of sleep apnea must be based on a close cooperation of dentists with knowledge in this field and doctors at sleep apnea clinics. Effects and side effects of treatment must be supervised during extended periods of time.

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