Tooth Development
Tooth Structure
Periodontium
Radiographs
Clinical Clues
100

The first stage where the shape of the tooth is determined?

What is bell stage?

100

What is the hardest substance in the body?

What is enamel?

100

The structure that connects the tooth to bone

 What is the periodontal ligament (PDL)?

100

Areas of decay appear this color on radiographs

What is Radiolucent?

100

Tooth wear caused by tooth-to-tooth contact

What is attrition?

200

What medication taken during the formation of dentin is responsible for a permanent yellow/gray stain?

What is Tetracycline?

200

The layer responsible for tooth sensitivity

What is Dentin?

200

The bone that holds the teeth in place

What is alveolar bone?

200

Calculus appears this way on X-rays

What is radiopaque (white/light)?

200

Tooth wear caused by acid

What is erosion?

300

The cells responsible for forming dentin? 

What is Odontoblasts?


300

The living part of the tooth

What is the pulp?

300

This structure acts as a shock absorber

What is the PDL?

300

Round white spots in the pulp

What is Pulp stones?

300

A developmental defect causing thin enamel

What is Enamel Hypoplasia?

400

The cells responsible for forming enamel?

What is ameloblasts?

400

This structure covers the root of the tooth

What is cementum?

400

Loss of this structure is a sign of periodontal disease

What is alveolar bone?

400

This appears as white deposits on the root surface

What is calculus?

400

A developmental defect caused by too much or too little fluoride 

What is Fluorosis? 

500
What stage is considered the most critical in prenatal development?

What is embryonic stage?

500

This opening allows nerves and blood vessels into the tooth

What is the Apical Foramen?

500

Enamel is the thinnest here

What is the gingival margin (CEJ)

500

This type of wear may show as flattened occlusal surfaces

What is attrition?

500

 Tooth wear caused by brushing too hard

What is abrasion ?

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