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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 ?
As particular features he has a long face, large ears and prognathism.
We observed that subjects with prognathism and retrognathism present adaptations in all functions performed by the oral motor system before orthognathic surgery.
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.
Extraoral examination revealed a normal head morphology with mild maxillary hypoplasia with resultant relative mandibular prognathism (figure 1C).
Patient motivation and response to surgical correction of prognathism.
1] According to McNamara, Class II malocclusions result mostly from a relative mandibular retrognathism rather than from a maxillary prognathism.
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.
Along with clockwise or anti clockwise rotational change in the jaw position and sagittal position of point N, the ANB may be affected by vertical position of point N, the upward or downward rotation of the Sella-Nasion plane, the age of the patient, the relation of Sella-Nasion plane to the occlusal plane, the degree of prognathism of jaws and the recording errors16.
Therefore not only the Patil-Aldreti but his value scale are predictors in breeds brachycephalic head, indicating that they have difficult intubation, in human patients it has been reported that people with prognathism present greater difficulty of intubation (8,27,28).
The plantar alterations and lower limbs modify the static and dynamic posture [14,15], up to an impact level cranial mandibular causing malocclusion and mandibular prognathism [16,17].
There is a reduced anterior and increased posterior facial height, increased sagittal craniofacial dimensions, reduced inclination of the mandible, facial prognathism, decreased angle of the cranial base and increased nasopharyngeal space in the flexion of the head (reduced craniocervical angle).