Crown

Question 1. Crown.
Answer:

Each tooth is made up of a crown and root.
The crown is covered by enamel
The junction between the crown and root is called Cemento Enamel Junction (CEJ) or cervical line.
The main bulk of the crown is made up of dentin.
It also contains a pulp chamber.
It has
- An incisal edge in incisors
- One cusp in canine
- Two/more cusps in premolars and molars.
It is never covered by bone tissue after it is fully erupted but is partly covered by soft tissue called gingiva.

“Understanding the crown through FAQs: Structure, functions, and uses explained”

Question 2. Dental formula.
Answer:

The denomination of each tooth is represented by the initial letter in its name.
I-incisors, C-canine, P-premolar, M-molar.
Each letter is followed by a horizontal line and the number of each type of tooth is placed above the line for maxilla and below the line for mandible.
The formula includes one side only.
The formula for deciduous teeth is.

Anatomical crown vs clinical crown

\(\mathrm{I} \frac{2}{2} \quad \mathrm{C} \frac{1}{1} \mathrm{M} \frac{3}{3}=10[latex]

[latex]\mathrm{I} \frac{2}{2} \mathrm{C} \frac{1}{1} \mathrm{P} \frac{2}{2} \mathrm{M} \frac{3}{3}=16\)

“Importance of studying the crown for dental students: Questions explained”

Question 3. Name tooth numbering systems.
Answer:

“Common challenges in mastering crown notes effectively: FAQs provided”

Question 4. Define: fissure, ridge
Answer:

Fissure:

Fissure is defined as the deep cleft between adjoining cusps
It consists of an organic plug composed of reduced enamel epithelium, microorganisms forming dental plaque, and oral debris
It has increased susceptibility to caries

Ridge:

It is any linear elevation on the surface of the tooth
It is named according to its location – buccal ridge, incisal ridge, marginal ridge.

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