[Morphological analysis of lower permanent incisor roots]. 1991

N Perrini, and E Francini, and U Perrini

Using horizontal sections at various levels and subsequent examination through a stereoscopic microscope, the authors examined 144 roots from the same number of mandibular incisors, in order to determine the number of canals in the coronal third, in the medial third and in the apical third of the root. It was found that 36.1% of the sample displayed multiple root canals.

UI MeSH Term Description Entries
D007180 Incisor Any of the eight frontal teeth (four maxillary and four mandibular) having a sharp incisal edge for cutting food and a single root, which occurs in man both as a deciduous and a permanent tooth. (Jablonski, Dictionary of Dentistry, 1992, p820) Incisors
D008334 Mandible The largest and strongest bone of the FACE constituting the lower jaw. It supports the lower teeth. Mylohyoid Groove,Mylohyoid Ridge,Groove, Mylohyoid,Grooves, Mylohyoid,Mandibles,Mylohyoid Grooves,Mylohyoid Ridges,Ridge, Mylohyoid,Ridges, Mylohyoid
D003786 Dental Pulp Cavity The space in a tooth bounded by the dentin and containing the dental pulp. The portion of the cavity within the crown of the tooth is the pulp chamber; the portion within the root is the pulp canal or root canal. Pulp Canal,Pulp Chamber,Root Canal,Cavities, Dental Pulp,Cavity, Dental Pulp,Dental Pulp Cavities,Pulp Cavities, Dental,Pulp Cavity, Dental,Canal, Pulp,Canal, Root,Canals, Pulp,Canals, Root,Chamber, Pulp,Chambers, Pulp,Pulp Canals,Pulp Chambers,Root Canals
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014092 Tooth Root The part of a tooth from the neck to the apex, embedded in the alveolar process and covered with cementum. A root may be single or divided into several branches, usually identified by their relative position, e.g., lingual root or buccal root. Single-rooted teeth include mandibular first and second premolars and the maxillary second premolar teeth. The maxillary first premolar has two roots in most cases. Maxillary molars have three roots. (Jablonski, Dictionary of Dentistry, 1992, p690) Root, Tooth,Roots, Tooth,Tooth Roots

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