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57 Cards in this Set

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  • Back
What are the three areas of anthropology that study teeth?
Paleontology, Bioarchaeology/Skeletal Biology, Forensic Anthropology
Why Paleontology?
Dentine lasts longer, mineralized, not eaten by carnivores
Why Bioarchaeology?
teeth record the environment, wear patterns, adaptation, diet
Why Forensic Anthro?
Three contributors to the dentofacial complex are?
Genetic Complex, Environmental (nutrition, biomech), Functional Forces (deterioration, muscle action, biomech)
Dental tissues include:
enamel, dentine, cementum, pulp, periodontal complex
The periodontal complex is:
Anchoring mechanism, bone and ligament
Three types of dentofacial tissues are:
dental, soft, skeletal
Skeletal tissues include:
bone (alveolar), cartilage
Soft tissues include:
neuromuscular (voluntary) and "other" (glands, nerves, skin, mucus membrane)
Neuromuscular (voluntary) Soft Tissues include:
Perioral (superficial muscles of the face: expression, connect skin to bone), Intraoral (Muscles of mastication, deep muscles, muscles of tongue)
The Oralfacial complex includes:
breathing, speech, vision, hearing
Darcy Thompson
Form & Function, What functions does breathing entail in people of varying ages
Bone responds to _________.
Soft tissues
Development of ________ affects the head.
Brain growth, eyes, dental development
Three calcified tissues are:
enamel, dentine, cementum
Dentin is exposed through:
attrition, carious lesions, trauma, age
Coronal Dentine is
Dentin covered by enamel
The pulp has three functions which are:
sensory, nutritive, reparative
What does the mesoderm give rise to?
dentin & cementum, muscle, cartilage and bone
Dentin is different from bone how?
Dentin is porous
Which cells produce dentin?
Where are odontoblasts located
In the pulp chamber, monitor dentin
What dentition has different types of teeth in it?
Heterodontic Dentition
4 Types of tooth notation
Anatomical, clinical, paleontological, forensic
90 Degree Method
use midsagittal plane, use 90 degree angles
Universal Dental Numbering system
1-32 right to left, a-z right to left
Federation Dentaire Internationel
Quadrants, number starts at MSP, I-IV for permanent, V-VIII for deciduous
2 Features of an Incisor
Single root, blade
4 Functions of an Incisor
Mastication, Aesthetics, Phonetics, Guide jaws at rest
Root dentin is______.
covered by cementum
gives rise to muscle & bone in embryo
Pulp is derived from the____.
Why is dentine porous?
Tubules go through dentine
Dentin over time
Odontoblasts deposit it continuously in pulp chamber, 80% crystalline but denser than bone
Cementum over time
Continues to lay on tooth root, remodels periodontal ligament, root is constantly growing, includes collagen, denser than bone
Enamel is
Ectoderm gives rise to
skin, hair, tooth enamel
Enamel is
97% crystalline, densist mineralized tissue in mammalian body, acellular
Enamel is laid down by
ameloblasts, ONCE
Neck of the Tooth
CET Junction or cervical region
Interdental septum
area of bone btw sockets of teeth
Inter-radicular septum
area of bone btw tooth with multiple roots
Periodontal ligament
anchors tooth to socket, collagenous bone fibers
Pulp cavity
living part of tooth, lymph blood and nerves
Anatomical Crown
Superior to the CEJ in mandibular teeth, can ONLY get smaller with age
Clinical Crown
Visible in oral cavity, gingival to tip, smaller than anatomical crown
Toothless Phase of Infancy
0-6 Months
Deciduous teeth are present at ___ age.
about 2.5 to 3 years of age
Use Phase of Deciduous Teeth
about 3-6 years of age
Phase of Mixed Dentition
about 6-13 years of age
Use Phase of Permanent Teeth
Logan & Kronfeld
Cleft palate surgeon, 10-15 samples of stillborns, use non-normal specimens
Teeth in Maxilla (size)
Decrease in size from front to back
Teeth in Mandible (size)
Increase in size from front to back
Which arch is larger?
Deciduous Molars are replaced by
Permanent Premolars