Hard and soft palate

BRISSO ARACKAL 1

HARD PALATE AND SOFT PALATE

BRISSO ARACKAL

BRISSO ARACKAL 2

Palate Lies in the roof of the

oral cavity Has two parts: – Hard (bony) palate

anteriorly– Soft (muscular)

palate posteriorly

hard

soft palate

3BRISSO ARACKAL

4BRISSO ARACKAL

BRISSO ARACKAL 5

BRISSO ARACKAL 6

BRISSO ARACKAL 7

BRISSO ARACKAL 8

HARD PALATE: position

• The anteriolateral margins of the palate are continuous with the alveolar arches and gums.

• The posterior margin gives attachment to the soft palate.

• The superior surface forms the floor of the nose.

• The inferior surface forms the roof of the oral cavity

BRISSO ARACKAL 9

HARD PALATE: vessels and nerves

• Arteries: Greater palatine branch of maxillary artery.

• Veins: pterygoid plexus of veins.• Nerves: Greater palatine and nasopalatine

branches of the pterygopalatine ganglion suspended by the maxillary nerve.

• Lymphatics: The lymphatics drain mostly to the upper deep cervical nodes and partialy to the retropharyngeal nodes.

BRISSO ARACKAL 10

SOFT PALATE

• It is movable, muscular fold, suspended from the posterior border of the hard palate.

BRISSO ARACKAL 11

BRISSO ARACKAL 12

SOFT PALATE: SURFACES

• 1. The anterior (oral) surface- is concave and is marked by median raphe.

• 2. The posterior surface- is convex , and is continuous superiorly with the floor of the nasal cavity.

BRISSO ARACKAL 13

BRISSO ARACKAL 14

SOFT PALATE: Borders

• 1. The superior border –is attached to the posterior border of the hardpalate ,blending on each side with the pharynx.

• 2. The inferior border- is free and bounds the pharyngeal isthmus. From its middle, there hangs a conical projection , called uvula.

BRISSO ARACKAL 15

BRISSO ARACKAL 16

BRISSO ARACKAL 17

Palatine Aponeurosis Fibrous sheath Attached to posterior

border of hard palate Is expanded tendon of

tensor velli palatini Splits to enclose

musculus uvulae Gives origin & insertion

to palatine muscles

18BRISSO ARACKAL

BRISSO ARACKAL 19

BRISSO ARACKAL 20

BRISSO ARACKAL 21