Identifying Extra oral radiographs

Lateral jaw: body of mandible

use for a lateral jaw: body of mandible

to evaluate impacted teeth, fractures, and lesions located in the body of the mandible

Lateral jaw: body of the mandible is ideal for

children, patients with limited jaw opening due to: Trauma, swelling or infection

Lateral jaw: ramus of mandible

Purpose of the lateral jaw: body of the ramus

used to avaluate impacted teeth and fractures that extend to the ramus

the lateral jaw: ramus of the mandible is ideal for 

Patients who cannot tolerate intraoral films, when pano images are not available

Lateral cephalometric 

Purpose for lateral cephalometric 

used to evaluate facial growth and development

ideal use for lateral cephalometric

For othrodontics practices or for children and adolescents

Posteroanterior projection

purpose of posteroanterior projection

Used to evaluate trauma; demonstrates frontal sinuses, orbit and nasal cavity

Waters projection

purpose for waters projection

used to evaluate maxillary sinus area

Submentovertex

purpose for submentovertex

used to identify the position of the condoles; used for zygomatic fractures

Reverse towne projection

purpose for reverse towne projection

used to identify fractures of condylar neck and ramus

Purpose of transcranial

used to evaluate condole and articular eminence