Investigations on the role of the lateral pterygoid muscle in mandibular movements have been limited due to difficulties in obtaining consistent neuromuscular recordings in human subjects. The rhesus monkey was used as a substitute experimental animal. Thirty-three Macaca mulatta were monitored in 113 electromyographic recording sessions. Two distinct functional patterns were identified from th...

Background: Spindle cell/Sclerosing rhabdomyosarcoma is the rarest variant of rhabdomyosarcoma, accounting for 5-10% all cases. Pathologically, these tumors can provide a variety features and resemble other tumors, thus often difficult to diagnose. We report case sclerosing gingiva with histomorphology mimicking malignant peripheral nerve sheath tumor. Case Presentation: The patient was 39-year...

The interaction of organismal design with ecology, and its evolutionary development are the subject of many functional and ecomorphological studies. Many studies have shown that the morphology and mechanics of the masticatory apparatus in mammals are adapted to diet. To investigate the relations between diet and the morphological and physiological properties of the lizard jaw system, a detailed...

Objective: to investigate the change in volume and signal masticatory muscles temporomandibular joint (TMJ) of patients with disorder (TMD) after whiplash injury, based on magnetic resonance imaging (MRI), correlate them other clinical parameters. Methods: ninety (64 women, 26 men; mean age: 39.36 ± 15.40 years), including 45 symptoms TMD injury (wTMD), age- sex-matched controls due idiopathic ...

I n considering the many complicated motions that the human mandible is capable of performing, one is inclined to overlook the almost imperceptible decrease in arch width that accompanies its movements. The mandible may be likened to an archer’s bow, and the muscles may be compared to its string. During opening and closing jaw movements, it is thought that the muscles of the floor of the mouth ...

The pterygospinous ligament extends from the pterygospinous process of the lateral lamina of the pterygoid process of the sphenoid bone, coursing inferior level of the oval foramen, to the spine of sphenoid bone in the infratemporal fossa. The ossification of ligament forms the pterygospinous bony bridge and pterygospinous foramen (Figure 1). In existence of this case, branches of the mandibula...