21. The supracrestal attachment apparatus is composed of two layers : the gingival connective tissue fibers. 22. Gingival changes seen in pregnancy may also occur in women taking oral contraceptives or the like.23. Thus, younger individuals have a greater gingival incisal length of the teeth than older individuals. 24. Severe periodontal or gingival diseases are important risk factors for establishment of an anaerobic pleuropulmonary infection. 25. The initial lesion appears within two to four days of gingival tissue being subjected to plaque accumulation. 26. Recent studies also show that mutations in Sos1 can cause Noonan syndrome and hereditary gingival fibromatosis type 1. 27. This process allows a constant coronal migration as the cells die and are shed into the gingival sulcus. 28. However, it was only in 1985 that Langer proposed the SECT for root coverage following gingival recession. 29. This indicates that the dental community as a whole regards gingival curettage as a procedure with no clinical value. 30. Viewed from the mesial or distal the buccal height of contour is in the gingival third of the tooth.
