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101 Cards in this Set

  • Front
  • Back

Ridge

A linear elevation of enamel found on the tooth.
Quadrant
Two sections formed by the imaginary line dividing the dental arches in two halves; actually there are 4 quadrants containing 8 permanent teeth.
Convex
A bulge or curve outward.
Premolar
In permanent dentition, located after the canine are the 1st & 2nd premolars; often called bicuspids because they usually have 2 cusps, used to pulverise food.
Posterior
Molars in the primary dentition & the premolars in the permanent.
Contact Area
The proximal sides of where two teeth come together & touch; normally the medial of one tooth & the distal of another
Concave
Recessed or indented.
Clinical Root
The portion of the root seen in the oral cavity.
Pit
Area on the occlusal surface of the teeth where the grooves come together or the fissures cross.
Peg Lateral
A diminutive, peg-shaped crown with a smooth surface lacking contact on the mesial & distal surfaces.
Clinical Crown
Exposed coronal portion of the crowns.
Occlusal Third
The area on the crown of the tooth that is nearest the occlusal surface of the posterior teeth.
Cingulum
A convex area on the lingual surface of the anterior teeth near the gingiva.
Occlusal
Chewing surface of the molars & premolars.
Cervical Third
The area on the crown & root join.
Oblique Ridge
Elevated area of enamel that extends obliquely across the occlusal of the tooth.
Molar
Teeth used to chew food.
Mixed Dentition
The period when primary teeth & permanent teeth are in the dentition lasting from approximately 6-12 years of age.
Cervical Line
Where the anatomical crown & root join.
Midline
Median line. Imaginary line that divides the dental arches into 2 halves. (Between the 2 front & bottom teeth)
Central Incisor
The 1st tooth starting from the midline.
Mesial
Surface of the tooth toward the midline.
Canine
Cuspid; 3rd tooth from the midline; bulkier & aids in tearing food.
Maxillary Arch
Upper arch in the dentition.
Marginal Ridges
Elevated areas of enamel that forms the mesial & distal boarders of the lingual surface on the anterior teeth & the mesial & distal boarders of the occlusal surface of the posterior teeth.
Mandibular Arch
Lower arch in the dentition.
Mamelons
Three bulges on the incisal edge of a newly erupted central incisor.
Lobes
Divisions that join to form a tooth; often in molars, lobes become cusps.
Buccal Groove
A linear depression forming a groove that extends from the middle of the buccal surface to the occlusal surface of the tooth.
Buccal
The surface of the posterior tooth that is toward the cheeks.
Bifurcated
One tooth with 2 roots.
Lingual
Surface of the tooth that is toward the tongue.
Lateral Incisor
The 2nd tooth from the midline used for cutting.
Bicuspid
Canine
Apical Third
Area nearest the apex.
Apical Foramen
An opening in the end of the tooth through which nerve & blood vessels enter.
Labial
The inside surface, which is toward the lips.
Apex
At or near the end of the root.
Anomaly
Extreme variation from the norm.
Anatomical Root
The portion of the tooth covered with cementum.
Agenesis
Occurs when the tooth buds do not form.
Adjacent
Next to.
Anatomical Crown
Portion of the tooth covered with enamel.
Incisal Third
The area on the crown of the tooth that is nearest the incial edge on the anterior tooth.
Incisal Edge
Cutting or tearing edge of the anterior tooth.
Imbrication Lines
Small, curved lines running parallel to the CEJ near the gingival area of the labial of the crown of a tooth.
Root
Divided into anatomical & clinical portions; the anatomical root is covered with cementum & the clinical root is the root seen in the oral cavity.
Succedaneous
Permanent teeth that replace primary teeth.
Supplemental Groove
Shallow linear grooves that radiate from the developmental groove.
Transverse Ridge
The union of two triangular ridges produces a single ridge of elevation arches the opcclusal surface of a posterior tooth.
Triangular Ridge
Ridge or elevation that descends from the cusp & widens as it runs downward to the middle area of the occlusal surface.
Trifurcated
When there are three roots coming from the main trunk of the tooth.
Crown
Top or highest part of a tooth; often called a cap.
Cusp of Carabelli
A 5th cusp on the mesial lingual surface of most maxillary 1st molars.
Cusps
Pointed or rounded mounds on the crown of the tooth.
Deciduous
Primary
Dentition
Natural bite
Developmental Groove
Groove formed by the uniting of lobes during development of the tooth crown.
Distal
The surface of the tooth that is away from the midline.
Embrasure
The triangular space in the gingival direction that is made when two adjoining teeth are contacting.
Exfoliated
Shed from the oral cavity.
Facial
Either the labial surface of the anterior teeth or the buccal surface of the posterior teeth.
Fissure
A developmental groove that has an imperfect union where the lobes join.
Fossa
A shallow, rounded, or angular depression.
Formed by the uniting of lobes during development of the crown of the tooth.
Developmental Groove
Small curved lines that run parallel to the CEJ.
Imbrication Lines
Shallow rounded or angular depression.
Fossa
Chewing surface of the teeth.
Occlusal
Two roots on one tooth.
Bifurcated
Where grooves come together or where fissures cross.
Contact Area
Dividing point of multi-rooted teeth.
Furication
Convex area on the lingual surface of anterior teeth near the gingiva.
Cingulum
Imaginary line that divides the dentition in halves.
Midline
Where the lower teeth are located; the lower arch.
Mandibular Arch
Natural teeth in position that are arranged in two arches.
Dentition
Outside surface; toward the cheek.
Facial
When there are three roots coming from the main trunk of one tooth.
Trifurcated
Next to.
Adjacent
A 5th cusp located on the mesial lingual surface of some maxillary molars.
Cusp of Carabelli
Elevated area of enamel that forms the mesial and distal borders of the lingual surface of the anterior teeth and the mesial and distal surface of the occlusal of the posterior teeth.
Buccal Groove
Toward the midline.
Mesial
Three bulges on the incisal edge of newly erupted central incisors.
Mamelons
Elevated areas of enamel that extend diagonally across the occlusal of the tooth.
Oblique Ridge
Where the upper teeth are located; the upper arch.
Maxillary Arch
Portion of the crown that is visible in the mouth.
Clinical Crown
The union of two triangular ridges that produce a single ridge of elevation across the occlusal surface of a posterior tooth.
Transverse Ridge
Away from the midline.
Distal
Developmental groove that has an imperfect union where the lobes came together.
Fissure
The portion of the tooth that is covered with enamel.
Crown
Shallow linear groove that radiates from the developmental groove.
Supplemental Groove
Teeth towards the back.
Posterior
Anterior teeth that have single roots and a cutting or tearing edge.
Insicals
Opening at the end of the tooth where nerve and blood vessels enter
Apex
Inside; toward the tongue.
Lingual
The portion of the root that is visible in the mouth.
Clinical Root
Surface of anterior teeth toward the lips.
Labial
Permanent teeth that replace primary teeth.
Succedaneous
Occurs when the tooth buds do not form.
Agenesis
Not normal.
Anomaly
Natural shedding of the primary teeth.
Exfoliated
When there are both primary & permanent teeth present in the dentition.
Mixed Dentition