Objective:To study the effects of periodontal scaling on microorganism in periodontal pocket and gingival crevicular fluid in patients with periodontitis.Methods:60 cases of periodontitis were selected and divided into 2 groups randomly with 30 in each group.The patients in scaling group were treated by periodontal scaling, those in control group by gargle with chlohexidine.Before and after treatment the microorganism in pocket bottom of each patient was measured by Congo red negative dyeing.Gingival index(GI), probing depth(PD) and gingival crevicular fluid(GCF) were also measured, the relationship between periodontal scaling and clinical indices was analysed.Results:In scaling group the percentage of coccoid cells in pocket bottom increased more after scaling,that of bacillus,spirochetes decreased, PD,GCF value were all decreased (P0.05).Conclusion:Periodontal scaling can decrease the percentage of pathogenesis bacteria in periodontal pocket bottom and decrease PD,GI and GCF values.

Objective:To explore the influences of abdominal pressure monitoring in different positions on patients with abdominal hypertension.Methods:From January to June 2019, convenience sampling was used to select 100 critical ill patients with abdominal hypertension who were admitted to the Intensive Care Unit of General Surgery of the General Hospital of Eastern Theater Command as the research object. The abdominal pressure was monitored by indirectly measuring the bladder pressure. We measured the abdominal pressure when patients were in stable condition and in 30° lying position, 45° lying position as well as the supine position respectively, recorded the single measurement data of the patient's abdominal pressure in different positions, and performed another position measurement rest for 15 minutes after changing the position.Results:The abdominal pressures measured in 100 critical ill patients with abdominal hypertension in the supine position, 30° lying position and 45° lying position were (19.18±3.95) , (23.40±3.87) and (28.17±3.60) mmHg (1 mmHg=0.133kPa) respectively, and the difference was statistically significant ( P<0.01) . The abdominal pressure monitored in the supine position was lower than those in the 30° lying position and 45° lying position, the difference was statistically significant (supine position vs. 30° lying position, P<0.01; supine position vs. 45° lying position, P<0.01) . The abdominal pressure monitored in the 30 ° lying position and 45 ° lying position was higher than that in the supine position by one to two levels. With the increase of the bed head elevation angle, the abdominal pressure value is getting higher and higher, regardless of the level of abdominal pressure in critical ill patients with abdominal hypertension. Conclusions:The abdominal pressure monitoring in actual positions can reflect the true situation of the patient well, and can provide a relatively true and reliable monitoring data for clinical nursing decision-making.