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