Understanding Molar Teeth: The Grinding Champions Of Your Mouth

Understanding Molar Teeth: The Grinding Champions Of Your Mouth

Question 1. Enumerate four relations of constrictor muscle of pharynx
Answer:

Question 2. Molar teeth
Answer:

• Molar teeth are grinding teeth
• They have square crowns with four or five cusps over it
• Deciduous molars are two in each half of each jaw While permanent molars are three in each half of each jaw

Molar teeth Eruption:

Question 3. Temporary teeth
Answer:

• They are 20 in number
• There are
  1. Two incisors- cutting teeth
  2. One canine- holding & tearing teeth
  3. Two molars- grinding teeth, in each half of the jaw
     • They begin to erupt at about six months of age
     • All get erupted by the end of the second year
     • Falling of deciduous teeth to get replaced by permanent teeth is called shedding

Question 4. Premaxilla
Answer:

• It is the embryonic unit of bone lying anterior to the incisive foramen of hard palate

Premaxilla Contents:

• Upper four incisors
• Nasal spine
• Maxillary crest

Premaxilla Applied anatomy:

• Soft tissues in the region of premaxilla could be systematically elevated by detaching the soft tissue & mucosa that could be easily detached from this area
• Tumors involving the floor of the nasal cavity can spread through premaxilla