Embryology/histology+TMJ Flashcards by Hannah Aggott

Teratogens

Environmental influences/factors

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Preimplantation

1st week of development,

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Proliferation

Increasing in skin, heart, etc

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Fusion

Two adjacent teeth become one

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Ementoblasts

Form dentin

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Odontoblasts

Form dentin

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Cusps

Points of your teeth

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Pits or fissures

Lines in your teeth

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Exfoliation

Primary teeth lost

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Succedanepus

Permanent teeth never replace primary teeth (molars never have permanent teeth)

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Anadontia

Absence of a single or mult. Teeth

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What does EDCP stand for? 
Elephants 
Don’t
Chew
Pickles

Enamel, dentin, Cemntoenamel junction, pulp

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Apical

Away from top of tooth

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Coronal

Towards the tooth

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Periodontium

Foundation/support of tooth

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Periodontal ligament

Connective tissue

Alveolar process

Supports the teeth and positions

Interdental

Between the visible part of teeth

Interridicular

Between the roots of the tooth

What are the three parts of TMJ

Hint… glen,arti,cony

Glenoid fossa, articulate eminence, condyloid process

Capsular ligament

Disc between condyle

What are the neck muscles?

Sternocleidomastoid, traps

What the facial expression muscles?

Orbicularis oris, zygomatic major, buccinator, lateral pterygoid, medial pterygoid,

What are the mastication muscles?

Temporal, massetor,

What are the tongue muscles?

Digastric, mylohyiod, stulohyoid, geniohyoid,

What does the Genioglossus do?

Protrudes tongue

Palatoglossus

Pulls tongue backwards

Palatopharyngesus

Shuts off nasal palate

What kind of saliva is serous?

Watery mainly protein

Mucous

Thick mucus- has carbs

What is the largest salivary gland?

Parotid

How much saliva does the parotid gland produce and where is it located?

25%, below ear inside the gum

What is the submandibular salivary gland and how much saliva does it produce?

It’s the size of a walnut under the tongue, has 65% of the saliva

Describe the sublingual gland

10% of saliva ( Bartholds duct)