Notes

Software-Defined Workflows for Dispersed Interoperable Closed-Loop Neuromodulation Handle Systems.
To evaluate the effectiveness of Vectra 3D facial imaging technology in enhancing orthodontic teaching and training efficiency.

Thirty-two dental students, enrolled in 2014 as five-year and eight-year curriculum in School of Somatology, Air Force Military Medical University were selected as the subjects of this research. As an important teaching facility for training the students to practice orthodontic clinical examinations, 2D and 3D facial imaging systems were selected in this study for the students to collect and analyze the data relating to the facial complexion and appearance. The students were at first instructed to use the traditional 2D facial imaging system for 20 minutes, and then Vectra 3D facial imaging system for another 20 minutes. The students were required to deliberate on the specifically designed questionnaires to input their own assessment on these two modalities. The outcomes were quantitatively analyzed using SPSS 24.0 software package.

As to the items 2, 5, 6 and 7 in the questionl two-dimensional imaging system. Pragmatically, the analytical data resulted from the former remains more accountable than that of the latter.
Served as a new teaching syllabus facilitation, Vectra three-dimensional facial imaging system demonstrates a more satisfactory impetus for the students to learn than the traditional two-dimensional imaging system. Pragmatically, the analytical data resulted from the former remains more accountable than that of the latter.
In this paper, based on the age, sex, disease type, and consultation time of dental emergency during COVID-19 epidemic, a comprehensive analysis of dental emergency management and prevention and control of COVID-19 was conducted.

A total of 739 emergency dental cases were collected from January 29 2020 to February 28 2020. They were divided into 3 groups，including adolescents (≤18 years), young adults (18 ~ 60 years), and elderly ( ≥60 years old). The data was analyzed using SPSS 21.0 software package.

The ratio of male to female was 1.24∶1. 5'-GTP trisodium salt There were 655 emergency cases during the day and 84 cases during the night. The types of diseases included pericoronitis (15.83%), apical periodontitis (14.21%), pulpitis (13.40%), periodontitis (12.31%), oral mucosal disease (12.18%), Oral and maxillofacial trauma (10.55%), oral and maxillofacial space infection (8.39%), dental disease in children (5.41%), oral and maxillofacial tumors (2.84%), temporomandibular joint dislocations and disorders (1.76%), and others (3.11%).

Under the epidemic situation of the new coronavirus, as one of the high-risk departments, it is of great significance to enhance the clinical emergency skills and ability of emergency treatment, improve patients' oral health awareness, address the diagnosis and treatment of essential diseases, for the improvement the quality of dental medical care and the prevention and control of COVID-19 epidemic.
Under the epidemic situation of the new coronavirus, as one of the high-risk departments, it is of great significance to enhance the clinical emergency skills and ability of emergency treatment, improve patients' oral health awareness, address the diagnosis and treatment of essential diseases, for the improvement the quality of dental medical care and the prevention and control of COVID-19 epidemic.
To study the clinical prognosis of laterally luxated primary teeth after 6-month follow-up without treatment.

Patients with laterally luxated primary teeth, visiting Department of Pediatric Dentistry, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine from March 2018 to March 2019, were selected for the study. Based on the inclusion and exclusion criteria, totally 45 patients with 57 primary teeth were included. The reposition outcomes and pulp prognosis were reviewed at the end of follow-up. The data were analyzed using SPSS 23.0 software package.

During a 6-month follow-up, 92.98% of the luxated teeth showed spontaneous reposition while only 31.58% of the traumatic teeth were back to the original position. Regarding the pulp healing complications, 54.39% of the luxated teeth exhibited no clinical symptoms, and 14.04% of the evaluated teeth displayed pulp canal obliteration, and pulp necrosis happened in 31.58% of the injured teeth. There was significant difference in th after injury. The direction of luxation does not affect pulp prognosis but has an influence on teeth reposition procedure.
To evaluate the clinical effect of subgingival sandblasting with glycine powder on prevention of peri-implantitis.

One hundred and eight patients underwent dental implantation at First Outpatient Department from January 2017 to January 2018 were divided into 3 groups, i.e., subgingival sandblasting group(group A，n=60), subgingival ultrasound group (group B, n=60) and control group (group C, n=60). The occurrence of peri-implantitis among 3 groups was compared. Statistical analysis was conducted with SPSS 17.0 software package.

Eighteen months after dental implantation, the rate of peri-implantitis in subgingival sandblasting group was significantly lower than that of subgingival ultrasound group and control group (P=0.04). There was significant difference in probe depth, bleeding index and plaque index among the three groups(P<0.05).

Subgingival sandblasting with glycine powder can significantly reduce the occurrence of peri-implantitis, and can be an effective maintenance method for implant denture.
Subgingival sandblasting with glycine powder can significantly reduce the occurrence of peri-implantitis, and can be an effective maintenance method for implant denture.
To investigate the effect of vascularized free fibular flap in repairing segmental mandibular defects.

Eighty patients with segmental mandibular defects treated in our hospital from June 2015 to May 2018 were enrolled. Both groups of patients were operated by the same group of medical staff with more than 5 years of clinical experience. Patients were divided into 2 groups using a random number table method, 40 in each group. Patients in the control group underwent non-vascularized iliac bone graft while patients in the experimental, group underwent vascularized free fibular bone flap repair. The graft survival, pain, quality of life, negative emotions and complications were compared between the two groups using SPSS 22.0 software package.

There was no significant difference in the scores of the proximal gingival papilla, distal gingival papilla, labial margin and labial margin (P>0.05). The gingival texture, color score and total score of the root surface of the experimental group were significantly higher than the control group (P<0.
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