Landmarks, Restorations, Periapical lesions , and Errors to study for NBDHE

cone cut

foreshortened

Exaggerated smile

chin tipped down too far

reverse smile (frown)

chin tipped to high

Ghost image

Produced when metallic object is not removed

ex. Earrings

Lead apron artifact

produced when lead apron obstructs the beam

inverted y

coronoid process pan

think "patrick star"

mental foramen

genial tubercles

A ring-shaped radiopacity below the apices of the mandibular incisors

lingual foramen

A tiny opening or hole in bone located on the internal surface of the mandible

cortical bone

cancellous bone

spongy bone

incisive foramen

median palatal suture

lateral fossa

A radiolucent area between the maxillary canine and lateral incisors

nasal cavity

nasal septum

floor of nasal cavity

anterior nasal spine

A V-shaped radiopaque area located at base of nasal septum

inferior nasal conchae

Radiopaque projection in the nasal cavity

maxillary sinus

Septa in Maxillary Sinus

maxillary tuberosity

Hamulus

hook-shaped process

zygomatic process of maxilla

A J- or U-shaped radiopacity located superior to the maxillary first molar region

zygoma

nutrient canals

mental ridge

mandibular canal

Mylohyloid ridge

external oblique ridge

anterior border ramus

submandibular fossa

A radiolucent area in the molar region below the mylohyoid ridge

pulp, dentin, enamel on radiograph

lamina dura

thin compact bone that lines the alveolar socket

periodontal ligament space

A thin radiolucent line around the root of a tooth

alveolar crest

Amalgam restorations radiograph

Amalgam overhang

amalgam fragments

Porcelain fused to metal crown

gold crown radiograph

gutta percha

silver points

Composite restoration

retention pin

palatoglossal air space

nasopharyngeal air space

glossopharyngeal air space

soft palate

ear on radiograph

periapical abscess

condensing osteitis

Hypercementosis

Primordial cyst

Dentigerous cyst (follicular cyst)

Internal resorption

external resorption

Dentigerous cyst

-Odontogenic cyst

-Follicular cyst

-Cyst around the CROWN of an IMPACTED TOOTH

-MANDIBULAR 3RD MOLARS most common site

-UNILOCULAR, PERICORONAL RADIOLUCENCY

Lateral periodontal cyst

Radicular cyst

AKA Periapical Cyst

- Located at the apex of a non- vital tooth

Globular Maxillary Cyst

anterior crossbite

pulp stone

dens in dente

tooth within a tooth

nasal conchae radiograph

zygoma

zygomatic process radiograph

J or U shaped

maxillary 1st molar region

radiopaque

Most radiosensitive cells

lymphocytes

Most radioresistant cells

nerve cells

Epulis Fissuratum

ill fitting denture

sublingual folds

sublingual caruncles

onlay, inlay, crown

Internal resorption

Pink tooth

calculus on xray

External Auditroy Meatus

Articular eminence pan

mandibular notch pan