Tooth Origin and Formation

Vocabulary flashcards covering tooth classification, histological stages of development, abnormalities, tissues, and morphological landmarks as presented in Chapter 3: Tooth Origin and Formation.

Deciduous

Refering to baby teeth or primary dentition.

Permanent

Also known as succedaneous dentition.

Mixed Dentition

A classification of dentition that contains both deciduous and permanent teeth.

Heterodont

A classification of the human dentition system referring to the presence of different types of teeth.

Initiation

The first histological state of tooth development.

Proliferation

The second histological state of tooth development.

Differentiation

A histological state of tooth development composed of histodifferentiation and morphodifferentiation.

Apposition

The Fourth histological state of tooth development.

Calcification

A histological state of tooth development where the tooth structure hardens.

Eruption

The histological state of tooth development where the tooth moves into the oral cavity; involves specific patterns and schedules.

Attrition

The final histological state of tooth development involving the wear of teeth.

Odontoclasts

Specialized cells involved in the histological states of tooth development.

Cementoclasts

Specialized cells involved in the histological states of tooth development.

Osteoclasts

cells that destroy or cause absorption of bone tissue.

Odontoblasts

Cells specialized for tooth development that form dentin.

Ameloblasts

Cells specialized for tooth development that form enamel.

Cementoblasts

Cells specialized for tooth development that form cementum.

Fibroblasts

Specialized cells identified in the histological states of tooth development.

Osteoblasts

Specialized cells identified in the histological states of tooth development.

Amelogensis

A condition or process considered under tooth abnormalities.

Anodontia

A tooth abnormality characterized by the absence of teeth.

Dens in dente

a tooth enfolds on itself to form a small cavity that holds a hard structure or mass, found most commonly on the lingual surface of the maxillary laterals.

Dentinogenesis imperfecta

A tooth abnormality involving the development of dentin.

Fluorosis

A tooth abnormality caused by excessive fluoride.

Fusion

A tooth abnormality where two teeth are joined.

Germination

A listed tooth abnormality in the histological states of development.

Hutchinsonian incisors

saw-like incisal edges of maxillary incisors, caused by maternal syphilis during tooth formation

Hypocalcification

A tooth abnormality relating to the calcification process.

Hypoplasia

A tooth abnormality referring to the incomplete development of tissue.

Macrodontia

A tooth abnormality where teeth are abnormally large.

Microdontia

A tooth abnormality where teeth are abnormally small.

Peg-shaped teeth

A tooth abnormality involving the shape of the tooth.

Supernumerary teeth

A tooth abnormality involving extra teeth beyond the normal count.

Enamel

A tissue structure that makes up part of the teeth.

Dentin

A tissue structure that makes up part of the teeth.

Pulp

A tissue structure that makes up part of the teeth.

Cementum

A tissue structure of the teeth that is also a component of the periodontium.

Periodontium

The tissue composition consisting of the periodontal membrane, alveolar bone, gingiva, and cementum.

Maxillary

Refers to the upper arch of the mouth.

Mandibular

Refers to the lower arch of the mouth.

Clinical Crown

The part of the tooth crown that is visible in the mouth.

Anatomical Crown

The part of the tooth crown covered by enamel.

Apex

A morphological landmark representing the end or tip of the tooth root.

Cervical line

A landmark located at the junction of the crown and the root.

Embrasure

A V-shaped space between two teeth in the same arch.

Facial

The tooth surface toward the face, also referred to as buccal or labial.

Lingual

The tooth surface toward the tongue.

Mesial

The tooth surface toward the midline of the dental arch.

Distal

The tooth surface away from the midline of the dental arch.

Incisal

The biting surface of anterior teeth.

Occlusal

The chewing surface of posterior teeth.

Cingulum

A tooth landmark found on the lingual surface of anterior teeth.

Furcation

A tooth landmark referring to the area where roots divide in multi-rooted teeth.

Mamelon

A tooth landmark appearing as a rounded prominence on the incisal edge of a tooth.