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 (prŏg′nə-thəs, prŏg-nā′-) also prog·nath·ic (prŏg-năth′ĭk, -nā′thĭk)
Having jaws or mouthparts that project forward to a marked degree.

prog′na·thism (-nə-thĭz′əm) n.


the condition of having jaws that project beyond the upper part of the face. — prognathic, prognathous, adj.
See also: Facial Features
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.prognathism - the condition of being prognathous; the condition of having a projecting jaw
condition, status - a state at a particular time; "a condition (or state) of disrepair"; "the current status of the arms negotiations"
References in periodicals archive ?
Spatial Relationships between the Mandibular Central Incisor and Associated Alveolar Bone in Adults with Mandibular Prognathism. Angle Orthod.
Jolie has a severe underbite, technically referred to as a mandibular prognathism. She also has two great friends, Evelyn and Derek, a college-aged sister who is pregnant, and a crush on a heartthrob named Noah.
The surgical correction of mandibular prognathism and retrognathia with consideration of genioplasty.
Crouzon syndrome should be differed by hypertelorism, parrot-beaked nose, short upper lip, hypoplastic maxilla, and a relative mandibular prognathism [16].
Obwegeser, "The surgical correction of mandibular prognathism and retrognathia with consideration of genioplasty: part I.
Skeletal Class III malocclusion can be manifested as maxillary retrognathism, mandibular prognathism, or a combination of both.
A morphological study was conducted to measure the width of buccal cortical bone, inferior cortical bone, lingual cortical bone, cancellous bone and height of mandibular symphysis in adult subjects aged between 18 and 30 years with skeletal class I (Angle's class I) and class III (Angle's class III) with mandibular prognathism. Inclusion criteria were associated with the type of occlusion (Angle's type I or III), type of overjet (2 to 4 mm of sagittal relation for Angle's class I; -1 mm or less for Angle's class III) and definition of ANB angle (0 to 4[degrees] for skeletal class I; 0[degrees] or less for skeletal class III).
Extraoral examination revealed a normal head morphology with mild maxillary hypoplasia with resultant relative mandibular prognathism (figure 1C).
It occur in 1 in 200,000 to 1 in 160,000 live births4,5 but its incidence is 1 in 65000.6 It is characterised by high prominent forehead flat back of occiput, flat or concave face due to premature union of coronal suture and deficient growth of midfaical bones leading to mandibular prognathism. Patient has also shallow orbit causing some degree of proptosis and hypertelorism.3 They may be accompanied by fusion of cervical vertabra specialy C5-6 7 and other visceral, skeletal C.N.S anomalies.8