400
The principal fiber groups consist of dentogingival, alveologingival, circumferential, dentoperiosteal, and transseptal fibers. The gingival fibers consist of apical, oblique, horizontal, alveolar crest, and interradicular fibers.
A. Both statements are true
B. Both statements are FALSE
C. First statement is TRUE, second statement is FALSE
D. First statement is FALSE, second statement is TRUE
B.