[Effect of continuous oral health education on elderly patients with chronic periodontitis treated with dual-wavelength laser].

Unlabelled: PURPOSE：To explore the clinical effect of continuous oral health education on elderly patients with chronic periodontitis treated with dual wavelength lasers.

Methods: The clinical data of 150 elderly patients with chronic periodontitis treated with dual-wavelength laser in Shanghai Ninth People's Hospital between March 2016 and March 2018 were analyzed and divided into 2 groups according to the different intervention plans applied. Seventy-five cases receiving routine oral hygiene education were taken as the control group, and the other 75 patients receiving continuous oral health education were set as the experimental group.

[The effects of psychological nursing on anxiety of patients in the procedure of impacted teeth extraction].

Purpose: To investigate the effects of psychological nursing on anxiety of patients during extraction of impacted teeth.

Methods: Seventy patients who required impacted tooth extraction were randomly divided into intervention group (n=35) and control group (n=35). In the intervention group, psychological nursing was performed by special nurses before, during and after the surgical procedure; In the control group, patients were informed the general knowledge of the routine treatment and care.

Effects of deferoxamine on the repair ability of dental pulp cells in vitro.

Introduction: In previous studies, we found that hypoxia promoted the mineralization of dental pulp cells (DPCs). However, the clinical application of hypoxia as a therapy is questionable or unfeasible. Deferoxamine (DFO), a medication for iron overload, has also been shown to induce hypoxia.