Effect of laterotrusive occlusal scheme on chewing duration, external intercostal muscular activity, heart rate, and oxygen saturation.

Objective: To evaluate the effect of the laterotrusive occlusal scheme on chewing duration, external intercostal (EIC) electromyographic (EMG) activity, heart rate (HR), and oxygen saturation (OS) during different tasks in the upright seated position.Methods: Fifty young participants, 25 with canine guidance and 25 with group function, were included. Chewing duration, bilateral EIC EMG activity, HR, and OS were recorded during the following tasks: 1) chewing until swallowing threshold; 2) laterotrusive teeth grinding.Results: Chewing duration, bilateral EIC EMG activity, HR, and OS showed no significant differences between the two laterotrusive occlusal schemes during the tasks studied.Conclusion: These results suggest that chewing duration, EIC muscle activity, HR, and OS were not significantly influenced by the laterotrusive occlusal scheme. Therefore, when a modification of the laterotrusive occlusal scheme is needed during oral rehabilitation or orthodontic treatment, canine guidance or group function should not significantly change EMG activity of EIC muscles.

Agenesis of maxillary lateral incisors: diagnosis and treatment options

ABSTRACT Introduction: There are different possibilities of orthodontic planning for cases with congenital absence of maxillary lateral incisors. This subject divides the opinion of orthodontists and oral rehabilitation clinicians, due to the advantages and disadvantages of each treatment option, which may involve opening spaces for future implants and/or prosthetic restorations, or closing the spaces by positioning the maxillary canines in the place of lateral incisors. The correct diagnosis and careful evaluation of each patient allow to determine the best therapeutic approach. This paper discusses the main topics to be considered when planning these cases. Objectives: To evaluate the main aspects related to orthodontic treatment planning in cases of congenital absence of maxillary lateral incisors, to aid the decision-making, with clinical and scientific basis.

RESUMO Introdução: Existem diferentes possibilidades de planejamento ortodôntico para os casos que apresentam ausência congênita de incisivos laterais superiores. Esse é um assunto que divide a opinião de ortodontistas e reabilitadores orais, devido às vantagens e desvantagens de cada uma das opções de tratamento, as quais podem envolver a abertura de espaços para futuros implantes e/ou restaurações protéticas ou o fechamento dos espaços, com posicionamento dos caninos superiores no lugar dos incisivos laterais. O correto diagnóstico e uma criteriosa avaliação de cada paciente permitem determinar a melhor abordagem terapêutica. Nesse artigo, serão discutidos os principais tópicos a serem considerados no planejamento desses casos. Objetivos: Avaliar os principais aspectos relacionados ao planejamento do tratamento ortodôntico nos casos de ausência congênita de incisivos laterais superiores, de maneira a auxiliar nas tomadas de decisão, com embasamento clínico e científico.

Awake teeth grinding in participants with canine guidance or group function: Effect on diaphragm EMG activity, heart rate, and oxygen saturation.

Objective: To compare the effect of canine guidance or group function on diaphragm activity, heart rate, and oxygen saturation during awake teeth grinding at different body positions. Methods: Fifty healthy participants, 25 with canine guidance and 25 with group function, were included. Bilateral electromyographic (EMG) recordings of the diaphragm (DIA) during awake teeth grinding were performed in standing, seated upright, and right lateral decubitus positions. Simultaneously, heart rate and oxygen saturation were measured. Results: EMG activity of the DIA muscle was similar in the working side and non-working side between participants with canine guidance and group function in the different body positions studied. The heart rate and oxygen saturation showed no significant differences between the two groups. Conclusion: EMG activity of the DIA muscle, the heart rate, and oxygen saturation during teeth grinding are not significantly influenced by the type of laterotrusive occlusal scheme.

Manejo multidisciplinario de la sedacion intravenosa en Cirugía Bucal

La sedación intravenosa se ha convertido en una de las técnicas más comúnmente empleadas para evitar traumas psicológicos a los pacientes que necesiten de algún tipo de cirugía bucal. Pues como todos sabemos el término Cirugía está asociado a miedo y ansiedad, y si se agrega la palabra Bucal que implica Odontología, para muchos es sinónimo de dolor y angustia. La necesidad de manejar el paciente que se somete a una cirugía bucal sin ansiedad, tensión, miedo, ni dolor, plantea la posibilidad de usar la sedación intravenosa como método para eliminar esas situaciones ante el procedimiento quirúrgico pero es muy importante la presencia del Anestesiólogo como integrante indispensable junto con el Cirujano para poder ser utilizada, además del ayudante del cirujano y el personal auxiliar. En el presente trabajo se revisarán las funciones de cada uno de los integrantes del equipo multidisciplinario que se necesita para que éste tipo de alternativa de tratamiento quirúrgico se aplique coordinada y eficazmente, permitiendo reducir al mínimo o evitando el riesgo que pudiera alguna vez ocasionar su aplicación, brindando al paciente la vigilancia de parámetros vitales y el suficiente confort antes, durante y después de la cirugía.

Intravenous sedation has become the most common procedure to avoid psychological trauma in the oral surgery patients. As we know the word Surgery is associated with fear and anxiety and if we add the word Oral that imply Dentistry for the majority of the people is synonymous of pain and suffer. The importance of management these feelings bring the possibility of use the intravenous sedation as a technique that controls and avoid those situations but it is very important to use an anesthesiologist as a indispensably member with the surgeon besides the surgical assistant and the hygienist. We are going to expose the specific functions of each member of the multidisciplinary team that is needed to apply this kind of surgical treatment efficiently and allowing to minimize or avoid the risks that in any case it should occur, taking good care of the patient before, during and after the surgery.