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n.1.A subdivision into four parts.
References in periodicals archive ?
Furthermore, this new multilevel method retains the ability to operate as a quadrisection or octasection algorithm, and can be applied to weighted graphs transparently.
Four gingivally related quadrisections of each tooth (mesiobuccal, distobuccal, mesiolingual, distolingual) were visually examined for plaque deposits using a modification of the index of O'Leary [Franco et al.
The gingivae were visually examined for inflammation using the same simplified gingival index based on the number of tooth quadrisections associated with gingival inflammation to give the gingivitis score.