Mandibular Arch

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mandibular arch

[man′dib·yə·lər ′ärch]
The first visceral arch in vertebrates.

Mandibular Arch


a supporting element of the visceral skeleton in gnathostomatous vertebrates, including humans. The mandibular arch is situated directly in front of the sublingual arch. In the course of evolution, the mandibular arch differentiated into the primary upper jaw (palatoquadrate cartilage) and primary lower jaw (Meckel’s cartilage).

References in periodicals archive ?
Always searching for excellent treatment results, specialists started to consider the concepts of equilibrium and orthodontic treatment planning that respects the limits of the mandibular arch.
The innervation of the muscles that derived from the mandibular arch and the location of the motoneurons (located in the mandibular nerve) reflect their segmental origins and are reliable criteria for homologizing mandibular muscles among the craniates (Song & Boord).
The developing jaw articulation is still the neural crest bone of the mandibular arch, which remains uncovered by dermal bone posteriorly.
Group one first studied the slide/audiotape material for the mandibular arch and completed a written post-test.
Finally suturing was done in both maxillary and mandibular arch.
In the mandibular arch the affected group also had a statistically significant reduction in arch depth: P value 0.
Leveling the curve of Spee: its effectson the mandibular arch length.
Radiographic assessment is essential for the practitioner managing the child patient so that eruption deviations can be handled with extraction of the infra-erupted primary molar and space management procedures, such as a lingual holding arch in the mandibular arch and a Nance space maintainer in the maxillary arch.
Results of this study indicate that the mandibular arch show more partially edentulous than maxillary arch.
The mandibular arch is not frequently used as a source of anchorage to move the impacted maxillary canine.
However, if this alternative is not clinically feasible and the second primary molar is extracted at a young age, loss of mandibular arch circumference might require complex orthodontic treatment.
The participants were excluded from the study if they had over erupted teeth in maxillary and mandibular arch or any degree of crowding in maxillary and mandibular dentition.