Periodontal treatment is the specialist cleaning of your teeth and gums to help control the bacteria that cause gum disease. Gum disease is caused by the germs (bacteria) which live in your mouth. The bacteria stick to your teeth, irritate the gums and make them bleed.
(Redirected from Ground effect in aircraft) In fixed-wing aircraft, ground effect is the increased lift (force) and decreased aerodynamic drag that an aircraft's wings generate when they are close to a fixed surface. When landing, ground effect can give the pilot the feeling that the aircraft is floating.
Cumulative effects are changes to the environment that are caused by an action in combination with other past, present and future human actions. [Numerous definitions of. exist in the literature. Many of these are quite complicated and refer to technical aspects of cumulative effect's interactions..2.1 Effects Pathways. Cumulative effects occur as interactions between actions, between actions and the environment, and between components of the environment. These pathways between a cause (or source) and an effect are often the focus of an assessment of cumulative effects.