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      Levantamento das atitudes e crenças dos ortodontistas com relação à disfunção têmporo-mandibular e dor orofacial Translated title: Survey of attitudes and beliefs of orthodontists regarding temporomandibular disfunction and orofacial pain

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          Abstract

          A inter-relação entre a Ortodontia e as Disfunções Têmporo-Mandibulares (DTM/DOF) sempre foi um tema de estudo presente na literatura ortodôntica. O papel do tratamento ortodôntico na prevenção, cura e desenvolvimento das DTM/DOF ainda permanece como um tema controverso. Os cursos de pós-graduação em Ortodontia, contudo, não tem uma norma definida sobre a carga horária mínima sobre o assunto, podendo haver uma grande variação na formação dos ortodontistas neste campo de conhecimentos. Os objetivos do presente estudo foram avaliar as atitudes e crenças dos ortodontistas com relação às DTM/DOF e analisar se, na opinião dos entrevistados, há demanda para especialistas em Disfunção Têmporo-Mandibular e Dor Orofacial, através do uso de questionário enviado via correio eletrônico aos participantes. São discutidos os resultados apresentados à luz dos artigos mais recentes e embasados sobre o tema e também o uso da Odontologia baseada em evidência (OBE) como forma dos profissionais adquirirem auto-suficiência na avaliação crítica da literatura disponível

          Translated abstract

          The interrelation between Orthodontics and Temporomandibular Disfunctions(TMD) has been always a theme of study present in the orthodontic literature. The role of the orthodontic treatment in prevention, cure and development of TMD still remains as a controversial subject. The post-graduation courses in Orthodontics, however, don't have a defined standard on the minimum hours dedicated to the subject, where can exist a great variation in the orthodontists formation in this field of knowledge. The objectives of the present study were to evaluate the attitudes and beliefs of orthodontists regarding TMD and to analyze in the interviewees opinion if there is a demand for specialists in Temporomandibular Disfunctions and Orofacial Pain, by means of use of a questionnaire sent through electronic mail to the participants of this survey. The results are presented to the light of the most recent and validated articles pertinent to the theme and also the use of the Evidence-Based Dentistry(EBD) as a way for professionals acquire self-sufficiency in the critical appraisal of the available literature.

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          Most cited references50

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          Evidence-based medicine. A new approach to teaching the practice of medicine.

          (1992)
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            Prevalence of temporomandibular dysfunction and its association with malocclusion in children and adolescents: an epidemiologic study related to specified stages of dental development.

            A sample of 4724 children (2353 girls and 2371 boys) (5-17 years old) were grouped not only by chronological age but also by stage of dental development (deciduous, early mixed, late mixed, and permanent dentition). The registrations included functional occlusion (anterior and lateral sliding, interferences), dental wear, mandibular mobility (maximal opening, deflection), and temporomandibular joint and muscular pain recorded by palpation. Headache was the only symptom of temporomandibular dysfunction (TMD) reported by the children. The results showed that one or more clinical signs were recorded in 25% of the subjects, most of them being mild in character. The prevalences increased during the developmental stages. Girls were in general more affected than boys. Significant associations were found between different signs, and TMD was associated with posterior crossbite, anterior open bite, Angle Class III malocclusion, and extreme maxillary overjet.
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              Interarch tooth size relationships of 3 populations: "does Bolton's analysis apply?".

              This study evaluates whether Bolton's interarch ratios extend across populations and genders. The data were derived from systematically collected preorthodontic casts of 180 patients, including 30 males and 30 females from each of 3 populations (black, Hispanic, and white). Forty-eight mesiodistal contact points were digitized on each model, and the lengths of the anterior, posterior, and overall arch segments were calculated. The results showed significant (P <.05) ethnic group differences in all 6 arch segment lengths and in all 3 interarch ratios. Whites displayed the lowest overall ratio (92.3%), followed by Hispanics (93.1%), and blacks (93.4%). The group differences were due primarily to the relationships between the posterior segments. The arch segments of males were significantly larger than females; the overall and posterior ratios were also significantly larger in males than in females. Multiple regression analyses showed that individual differences in the overall ratio were most closely associated with the size of the lower second premolar, followed by the upper lateral incisors, upper second premolars, and the lower central incisors. In combination, these 4 teeth explained approximately 50% of the variation in the overall ratio between subjects. We conclude that interarch tooth size relationships are population and gender specific. Bolton ratios apply to white females only; the ratios should not be indiscriminately applied to white males, blacks, or Hispanics.
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                Author and article information

                Journal
                dpress
                Revista Dental Press de Ortodontia e Ortopedia Facial
                Rev. Dent. Press Ortodon. Ortop. Facial
                Dental Press Editora (Maringá, PR, Brazil )
                1980-5500
                August 2005
                : 10
                : 4
                : 60-75
                Affiliations
                [02] orgnameConselho Federal de Odontologia
                [03] orgnameUniversidade Federal do Espírito Santo orgdiv1Centro de Dor Orofacial
                [01] orgnameUniversidade de São Paulo orgdiv1Faculdade de Odontologia de Bauru
                Article
                S1415-54192005000400007 S1415-5419(05)01000407
                10.1590/S1415-54192005000400007
                88f9b9ee-c433-43c6-a9c0-a0cee678353f

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : February 2004
                : March 2004
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 36, Pages: 16
                Product

                SciELO Brazil

                Categories
                Artigos Inéditos

                Orthodontic treatment,Disfunções têmporo-mandibulares,Tratamento ortodôntico,Questionário,Orthodontists,Ortodontistas,Correio eletrônico,Temporomandibular disfunctions,Questionnaire,Electronic mai

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