Objective:To investigate the effect of dental trauma educational intervention among undergraduate students of a Federal University in Brazil.Materials and Methods:Students (n = 125) enrolled in the dentistry (n = 70), nursing (n = 33), and speech therapy (n = 22) courses were invited to attend a dental trauma lecture and also to answer a questionnaire about their confidence in managing crown fracture and tooth avulsion, before (T0) and immediately after (T1) the lecture. McNemar's test (P < 0.05) with logistic regression compared the answers between the courses.Results:Female gender (78.4%) aged from 18 to 22 years (73.6%) predominated among all the participants. Dentistry students scored higher correct answers (54.3%) in T0 when compared to nursing (12%) and speech therapy (9%) students, concerning the storage medium for tooth fragment transportation. Likewise, few dentistry students (22.9%) and no nursing and speech therapy students knew about the ideal storage medium for an avulsed tooth when immediate replantation was unviable. After educational intervention, a significant improvement was found between T0 and T1 (P < 0.001) for all courses, mainly regarding tooth avulsion with almost 100% of correct answers. Furthermore, logistic regression demonstrated that dentistry students had three times more knowledge absorption than nursing and speech therapy ones.Conclusions:The educational intervention demonstrated a significant positive impact regarding the knowledge of dental trauma emergency management among health students. Accordingly, it is essential to spread this information among health professionals to save teeth, especially in cases of avulsion.
The low level laser is widely used in Dentistry, in particular, to decrease pain and increase the speed of tooth movement. This study was to perform a systematic literature search to investigate the effectiveness of low level laser and low energy density therapy of the induced tooth movement. This research was performed following the PRISMA instructions and was registered in the PROSPERO. The articles were searched in six electronic databases, with no date and language restriction. Only randomized clinical trials were selected. Articles that did not use the extraction of first premolars as orthodontic planning were excluded, as well as articles using high energy density laser therapy. The articles were assessed for risk of bias and individual quality. The results were analyzed using meta-analysis, using randomized effect. The initial sample consisted of 161 articles. Six articles remained eligible for qualitative analysis and five for quantitative analysis. According to the individual quality, most articles were classified as high quality. Three articles detected statistically significant differences in induced movement by comparing the orthodontic movement between the experimental and control groups. For the maxilla, there was a statistically significant influence of the laser in three months and, for the mandible, in one month. It may be concluded that there is no evidence that laser therapy can accelerate the induced tooth movement.
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