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Abstract
Transseptal fibers are a part of the gingival group of fibers of the periodontal membrane,
and they are very tough and resistant. They form a chain from tooth to tooth which,
provided that it remains intact and is sufficiently strong to resist displacing muscular
pressures, will preserve the contacts between the teeth throughout the arch. If the
continuity of the chain is interrupted, the balance of the forces acting upon the
teeth on either side of the break is upset and considerable displacements can occur.
Maxillary median diastemas are classified as "simple" or "persistent" according to
their etiology, and an operation to clear the upper midline suture of transeptal fibers
is described as an essential part of the treatment of persistent upper median diastema.