1 Inflammation of the gingiva, bone loss, and increased gingival recession may progress slower than with other forms of periodontitis.  Periodontitis Associated with Systemic Diseases - Systemic diseases, such as heart disease, diabetes, and certain forms of arthritis, may have a correlation with periodontitis.
Along Faults. Earthquakes can also occur far from the edges of plates, along faults. Faults are cracks in the earth where sections of a plate (or two plates) are moving in different directions. Faults are caused by all that bumping and sliding the plates do. They are more common near the edges of the plates.
Earthquakes Date Class 0 LESSON 1 A. B. What are earthquakes? are the vibrations in the ground that result from movement along breaks in Earth's lithosphere. 2. The forces that move breaks in the lithosphere. Where do earthquakes occur? 1. Most earthquakes occur along active also push and pull rocks along . These areas are plate boundaries, boundaries, generally in the middle of oceans or along the edges of a. Deep earthquakes occur along where a denser oceanic plate subducts into the mantle. b.