Occlusal radiography, Slides of Medicine

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Occlusal RadiographyOcclusal Radiography

 Occlusal radiography is defined asOcclusal radiography is defined as

those intraoral radiographicthose intraoral radiographic

techniques taken using a dental X-techniques taken using a dental X-

ray set where the film packet (5.7 xray set where the film packet (5.7 x

7.6cm) or a small intraoral cassette7.6cm) or a small intraoral cassette

is placed in the occlusal planeis placed in the occlusal plane

Upper Standard occlusalUpper Standard occlusal

 Shows the anterior part of the maxillaShows the anterior part of the maxilla

and upper anterior teethand upper anterior teeth

 IndicationsIndications

 (^) Periapical assessment of the upper anteriorPeriapical assessment of the upper anterior teeth, especially in childrenteeth, especially in children  (^) Detecting the presence of uneruptedDetecting the presence of unerupted canines, supernumeraries..canines, supernumeraries..  (^) Evaluation of the size and extent of lesionsEvaluation of the size and extent of lesions such as cysts and tumors in the ant maxillasuch as cysts and tumors in the ant maxilla

Upper Oblique OcclusalUpper Oblique Occlusal

 Shows the posterior part of the maxillaShows the posterior part of the maxilla

and the upper posterior teeth on one sideand the upper posterior teeth on one side

 IndicationsIndications

 (^) Periapical assessment of upper posteriorPeriapical assessment of upper posterior teeth, especially in adults unable to tolerateteeth, especially in adults unable to tolerate IOPAsIOPAs  (^) Evaluation of the size and extent of lesionsEvaluation of the size and extent of lesions affecting posterior maxillaaffecting posterior maxilla  (^) Assessment of the condition of the antralAssessment of the condition of the antral floorfloor

Vertex occlusalVertex occlusal

 Shows a view of the tooth bearingShows a view of the tooth bearing

portions of the maxilla from above. X-portions of the maxilla from above. X-

ray beam has to pass through aray beam has to pass through a

considerable amount of tissuesconsiderable amount of tissues

-requires a large dose of radiation-requires a large dose of radiation

 Main indication- assessment of theMain indication- assessment of the

bucco/palatal position of unerruptedbucco/palatal position of unerrupted

caninescanines

Lower 90Lower 90° occlusal° occlusal

 (^) Shows the tooth-bearing portion of theShows the tooth-bearing portion of the

mandible and the floor of the mouth.mandible and the floor of the mouth.  (^) IndicationsIndications  (^) Detection of the presence and position of radiopaqueDetection of the presence and position of radiopaque calculi in the submandibular salivary ductscalculi in the submandibular salivary ducts  (^) Assessment of the bucco-lingual position of theAssessment of the bucco-lingual position of the unerupted mandibular teethunerupted mandibular teeth  (^) Evaluation of the buccolingual expansion of the bodyEvaluation of the buccolingual expansion of the body of the mandibleof the mandible  (^) Assesment of # of the anterior bodyAssesment of # of the anterior body

Lower 45Lower 45° Occlussal° Occlussal

 Shows the lower anterior teeth and theShows the lower anterior teeth and the

anterior part of the mandibleanterior part of the mandible

 IndicationsIndications

 (^) Periapical assessment of the lower incisorPeriapical assessment of the lower incisor teeth, especially childrenteeth, especially children  (^) Evaluation of the size and extent of lesionsEvaluation of the size and extent of lesions such as cyst and tumors affecting anteriorsuch as cyst and tumors affecting anterior part of the mandiblepart of the mandible  (^) Assessment of # of the anterior mandibleAssessment of # of the anterior mandible

Lower oblique occlusalLower oblique occlusal

 (^) This projection is designed to allow the imageThis projection is designed to allow the image

of the submandibular salivary gland, on theof the submandibular salivary gland, on the side of interest, to be projected on the film.side of interest, to be projected on the film.  (^) IndicationsIndications

 (^) Detection of radiopaque calculi in theDetection of radiopaque calculi in the submandibular salivary glandsubmandibular salivary gland  (^) Assessment of the bucco-lingual position ofAssessment of the bucco-lingual position of unerupted lower wisdom teethunerupted lower wisdom teeth  (^) Evaluation of the extentEvaluation of the extent and expansion of cyst,and expansion of cyst, tumors..tumors..