Question

please answer this question who will be answered this question I will mark brainliest answer

Answer 1

Answer:

there are four types of teeth in an adult human .

1. incisor to cut

2. canine to tear

3. premolar to break

3.molar to grind

Explanation:

in adult they are in the ratio of

4223

_____

4223

Answer 2

Explanation:

there are four types of teeth in oral cavity

1.incisors-the four front teeth in lower and upper jaw is called as incisors.

Functions;

*their primary function is to cut the food

*the two incisors on either side of the midline are called as central incisors.

*incisors have a single root and a sharp incisal edge

2.canines-there are four canines in oral cavity.

two in the maxillary edge and two in the mandibular area.

Functions;

*their main function is to tear the food.

*they have a single pointed cusp and a single root.

*they have longest root of any tooth

3.premolars;there are eight premolar in oral cavity.

Function;

*their main function is to crush the food.

*these teeth can have 3 to 4 cusps.

*the maxillary first premolars have two roots and remaining premolars have single root.

4.molars;there 12 molars in permanent teeth.

8 molars are present in primary teeth

Functions-

*these were also used to crush and grind the food.

*mandibular molars have typically 2 roots.

*maxillary molars have typically 3 roots.

*these teeth have 4 to 5 cusps.