Development Of Teeth: From Deciduous To Permanent Explained

Development Of Teeth: From Deciduous To Permanent Explained

Question 1. Oropharynx
Answer:

• It is oral part of the pharynx

Oropharynx Relations:

• Anteriorly oral cavity
• Posteriorly body of C2 & C3 vertebrac
• Laterally tonsillar fascia

Oropharynx Nerve supply:

• Supplied by IX & X cranial nerves

Oropharynx Function:

• Passage of food and air

Question 2. Development of tooth
Answer:

1. Development of deciduous tooth

2. Development of permanent tooth

• Arises from tooth bud present on the medial side of each developing primary teeth.

Question 3. Soft palate
Answer:

• It is movable, muscular fold
• It separates nasopharynx from oropharynx

Soft palate Muscles: