Dental Anatomy and Development Flashcards

Vocabulary flashcards related to dental anatomy and development.

Melanocytes

Cells that are not keratinocytes.

Fordyce's granules

Sebaceous gland, ectopic gland inside the mouth.

Facial nerve

Supplies taste sensation to the anterior 2/3 of the tongue via the chorda tympani.

Thyroid gland

Endocrine gland that develops first.

Upper lip

Formed by the medial nasal process.

Lower lip

Formed by the mandibular process.

Stomatodeum

Another name for the oral cavity.

Posterior 1/3 of the tongue

Derived from endoderm in the oral cavity.

Ectoderm

Part that helps in the formation of the anterior 2/3 of the tongue.

Maxillary process

Gives rise to the palatine shelves.

Four

Number of ameloblasts involved in one enamel rod.

Mantle dentin

First formed during tooth development.

Predentin

First formed before mantle dentin.

96% Hydroxyapatite

Content of enamel.

Philtrum

Structures formed by the medial nasal process.

Occipital myotome

Intrinsic muscle of the tongue originates from this myotome.

Foramen cecum

Marks the start of the thyroid development and point of origin of the thyroglossal duct on the tongue.

Ectoderm and endoderm (also GI tract and oral cavity)

Parts connected when the buccopharyngeal membrane ruptures.

Palatal development

Structure affected during tongue development, specifically the hard palate.

Ectoderm

Salivary glands are derived from this.

Ecto-mesenchyme

Connective tissue that the salivary gland stroma is.

Mandibular canine

A tooth that may have a bifurcated root.

Osteoblast

Cell targeted by calcium.

Hypothyroidism

Tooth formation can be affected and enamel hypoplasia is possible in this condition.

Transmitting occlusal forces and stress distribution

Unique function of periodontal ligament.

Fibrocartilage

Covers the articulating surfaces of the condyle.

Dentin

Odontoblasts form this.

Osteoblasts

Bone building cells.

Osteoclasts

Bone breaking cells.

Vitamin D (for calcium absorption)

Important for tooth development; memorize related vitamin.

Filiform papillae

Papillae that are keratinized.

9-10.5

Normal range for calcium.

Lateral spinothalamic tract

Tract that carries pain sensation.

Trigeminal (CN V)

Cranial nerve carrying pain sensation from the tooth.

Bicarbonate

Part of saliva known to neutralize acid.

Parotid gland

Apparatus that produces more serous saliva.

Mesoderm

Muscle and connective tissue of the tongue originate from this.

Mandibular central incisor

Tooth that has only one antagonist tooth.

Congenital absence

When lateral incisor is absent.

Four

Number of lobes involved in anterior tooth development.

Mamelons and cingulum

Landmarks present on newly erupted anterior teeth.

Ugly Duckling Stage

Stage occurring around 9 to 11 years, when the permanent canines erupting cause a temporary diastema.

Grooves and fissures

Structures most prone to caries in posterior teeth.

Labial

Cusp that is the largest on the canine.

Canine

Longest root belongs to this tooth.

Mandibular first premolar

The smallest premolar.

60%

Overlapping percentage in the cementum.

Cementum

Important for orthodontic movements as it is more resistant to absorption.

Agnosia

Condition during COVID, loss of smell, loss of taste.

Secondary dentin

Formed throughout life.

Tertiary dentin

Dentin formed on repairing.

Salivary gland

Structure always present in gingival area with orange appearance.

Protects the eruption of the tooth

Function of reduced enamel epithelium

Desmosomes

Connects epithelial cells.

Hemidesmosomes

Connects epithelium and connective tissue.

Stratum intermedium and stellate reticulum

Not present in Hertwig's epithelial root sheath.

Mamelons

Round projections found on incisal edges of newly erupted incisor teeth.

Taste sensation

Sensation affected if salivary gland function is reduced

Odontoblasts

Derived from dental papillae.

Ectoderm

Enamel derived from this.

her twigs epithelial root Sheath

Forms root structure during root formation inner and outer root sheath

alpha delta

fiber sharp

trigeminal CNV

nerve supply temporomandibular joint.