residual ridge


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re·sid·u·al ridge

that portion of the processus alveolaris remaining in the edentulous mouth following resorption of the section containing the alveoli.

residual ridge

the part of the alveolar ridge that remains after the alveolar process has disappeared after extraction of the teeth.

re·sid·u·al ridge

(rē-zidyū-ăl rij)
Remnant of the alveolar ridge after tooth extraction; resorbs over time in the absence of teeth.
References in periodicals archive ?
There are numerous studies on the prevalence of dentate arches in different populations and malocclusion types, (18, 28-32) but the studies on residual ridge shape are scarce.
Large residual ridges provide better support and stability for the denture base than those which are relatively resorbed.
Correlation between residual ridge resorption and radiomorphometric indices.
Extensive volume of the denture base material in prosthesis provided to patients with large maxillofacial defects or severe residual ridge resorption is always a challenge to prosthodontists.
A full thickness periosteal reflection exposes the underlying residual ridge and lateral regions of the mandible.
Significant disadvantages of metal base dentures are that they often irritate the underlying alveolar ridge and are difficult to reline and adjust Massad introduced a metal base denture with a resilient liner to manage the severely resorbed mandibular residual ridge.
Its convex tissue surface resides in a soft tissue depression or hollow in the residual ridge, which makes it appears that a tooth is literally emerging from the gingiva.
An anteroposterior strap major connector was designed for the maxillary arch, with lattice shaped minor connectors over the residual ridge and clasp assemblies on 16, 14, 23-25.
A questionnaire was filled in by the principal investigator containing questions regarding extent and location of edentulous areas, condition of the abutment teeth and occlusion of the remaining teeth, residual ridge status and conditions creating a guarded prognosis to determine the PDI class of each patient.
These may be due to a narrower, more constricted residual ridge as resorption progresses, decreased supporting tissues, and a resultant large restorative space between the maxillary residual ridge and opposing mandibular teeth (1).