Perio - Exam 3 Questions With 100% Correct Answers.

In which phase of periodontal disease progression are macrophages first recruited to the gingival connective tissue? - Plaque biofilm overgrowth phase In which phase of periodontal disease progression are PMNs the most numerous cells at the site of the periodontal infection? - Early bacterial accumulation phase In which phase of periodontal disease progression can initiation of good patient self-care result in return to a healthy periodontium? - All of the above In which phase of periodontal disease progression do macrophages and lymphocytes become the most numerous immune cells in the gingival connective tissue? - Subgingival plaque biofilm phase In which phase of periodontal disease progression do the PMNs first travel through the bloodstream, exit the bloodstream and travel through the gingival connective tissue to the gingival sulcus? - Early bacterial accumulation phase In which phase of periodontal disease progression does PGE2 and MMPs initiate collagen destruction but cause no bone resorption? - Subgingival plaque biofilm phase In which phase of periodontal disease progression does PGE2 mediate bone destruction by stimulating large numbers of osteoclasts to resorb alveolar bone? - Tissue destruction In which phase of periodontal disease progression does the coronal-most portion of the junctional epithelium first detach from the tooth surface? - Subgingival plaque biofilm phase Which of the following is a biochemical mediator that causes extensive collagen destruction of the periodontal tissues? - MMPs Which of the following is a biochemical mediator that increases vascular permeabilty and has the potential to initiate the tissue destruction and bone loss seen in chronic periodontitis? - CytokinesWhich of the following is a biochemical mediator that plays the most important role in the bone destruction seen in periodontitis? - PGE Which phase of periodontal disease progression follows the established gingival phase? - Tissue destruction phase Which phase of periodontal disease progression includes bacterial colonization near gingival margin? - Early bacterial accumulation phase