<p>En  los  últimos  años  se  ha  popularizado  el  uso de plasma rico en plaquetas y plasma  rico  en  factores  de  crecimiento  en la cirugía bucal y  maxilofacial. Se reporta un caso de paciente femenino de 21 años de edad, con dolor moderado en zona de tercer molar inferior izquierdo y derecho. Se realiza remoción quirúrgica de ambos terceros molares inferiores. Se extraen 20 cc. de sangre del paciente para obtener plasma rico en factores de crecimiento el cuál fue colocado en zona de extracción de tercer molar inferior izquierdo. En zona de tercer molar inferior derecho se irrigo con suero fisiológico. Al tercer día post-operatorio se observa clínicamente menor inflamación extraoral del lado izquierdo comparado con lado derecho. Intraoralmente menor inflamación y eritema de la zona y mejor epitelización del lado izquierdo en relación con lado derecho.  Al quinto día post-operatorio se retira sutura en ambos lados, observando mejor epitelización y menos eritema de la herida en lado izquierdo. Al séptimo día es clara la diferencia en la regeneración de tejidos blandos en el lado izquierdo comparado con el derecho. Se refería menos dolor del lado izquierdo en cada una de sus citas control. La experiencia en el presente caso nos hace sugerir que el uso de plasma rico en factores de crecimiento puede beneficiar el postoperatorio de los pacientes después de la remoción quirúrgica de terceros molares inferiores.</p>

Advancements in digital technology and imaging over the last 25 years have permitted the implementation of three-dimensional (3D) modeling protocols in Dentistry. The use of stereolithographic models has progressively replaced traditional milled models and x-rays in the management of craniofacial anomalies and in implant rehabilitation. Diverse advantages can be mentioned, including better visualization of complex anatomical structures and more precise and sophisticated pre-surgical planning, through a simulated insight of the procedures of interest. The aim of this review is to provide essential information about the different applications and limitations of stereolithography, addressed to those general dentists and dental students interested in gaining experience in the reconstructive surgery and implant placement fields.

Correlación de los días de estancia hospitalaria con la relación neutrófilo-linfocítico en pacientes con diagnóstico de angina de Ludwig: estudio piloto / Correlation of the days of hospital stay with the neutrophil-lymphocyte ratio in patients with a diagnosis of Ludwig's angina: pilot study

A novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) outbreak has become a global ongoing pandemic. This pandemic represents a great work risk for all health professionals, it includes dental professionals who are in constant contact with saliva, which represents one of the main routes of transmission of the disease. This is due to the fact that a wide variety of oral tissues and cells are susceptible to infection by SARS-CoV-2 and that they express the ACE2 receptor, which is the main route of entry of the virus into cells, as well as the proteins TMPRSS and furin that contributes to the binding of the virus to the host cells. According to recent studies, some of the oral cells most susceptible to infection by SARS-CoV-2 are the epithelial cells of the salivary glands. This explains the presence of the virus in the saliva of infected patients and provides scientific evidence that supports the use of saliva as a biofluid that offers the opportunity to develop new detection and diagnostic techniques. This is because saliva is much easier to collect compared to nasopharyngeal swab. However, the presence of the virus in saliva, also represents a great source of transmission, since the main form of infection is through microscopic drops that are generated when infected people cough or sneeze. Likewise, health professionals, such as dentists are exposed to contagion through saliva. The objective of this review article is to provide a perspective on the main cells and tissues that can be affected by the virus, the risk of contagion that the presence of the virus in saliva represents for dentists; and the new techniques developed from saliva samples for the diagnosis and surveillance of SARS-CoV-2 infection. This review is expected to contribute to the knowledge of oral health professionals about the risk of saliva in the spread of SARS-CoV-2, but also its advantages as a diagnostic tool for pandemic control. In conclusion, the authors can mention that information that provides more scientific evidence of the mechanisms of infection of the coronavirus in oral cells and tissues is being published continually. This also explains the presence of the virus in the saliva of infected people and the risk of contagion that this means. It also provides scientific evidence of the use of saliva as a biofluid for the detection, diagnosis, monitoring, and control of the spread of the virus.

Background The global spread of COVID-19 forced schools at all educational levels to close, which was repeated in more than 60 countries. In addition, the COVID-19 pandemic has affected the mental health of dental students world wide. This study hypothesizes that the prevalence of depression in dental students from El Salvador is higher than that reported in studies from Europe, Asia, and North America. Methods This study was an online cross-sectional survey performed at the Faculty of Dentistry of the University of Salvador. The PHQ-9 questionnaire was applied to know the level of depression of the students, and a questionnaire focused on learning the opinion of the students on the hybrid teaching model adopted. Approximately 450 students participated in both questionnaires. Results Regarding the levels of depression present in the students, 14% had minimal depression, 29% had medium depression, 23% had moderate depression and, 34% had severe depression. The students had an excellent opinion regarding the hybrid learning model. Conclusions The prevalence of depression in dental students in El Salvador seems to be higher than that reported in studies in non-Latin American countries. Therefore, universities must generate care plans for mental health to avoid these harmful effects on students during future contingencies.