Mouth

Question 1

Mouth division

Answer 1

1. Vestibule - space between lips cheeks and teeth gums.

2. Proper oral cavity - enclosed in teeth and gums, have tongue and opens into oropharyngeal isthmus.

Question 2

Parotid duct opens at

Answer 2

Lip inner surface opposite to the 2nd molar gum

Question 3

Buccinator is pierced by

Answer 3

Parotid duct
&
Buccal branch of mandibular nerve

Question 4

What are koplik’s spots

Answer 4

Spine like white spots on parotid duct opening occurs in measles.

Question 5

Buccopharyngeal fascia have

Answer 5

Molar glands

Question 6

Upper lower lips merge at

Answer 6

Corner or angle of mouth

Question 7

Philtrum

Answer 7

Median vertical groove on the outer surface of the upper lip.

Question 8

Lips have

Answer 8

Skin
Superficial fascia
Orbicularis oris muscle
Submucosa, having glands and blood vessels
Mucous membrane

Question 9

Lips lymphatic drainage

Answer 9

Lower lip from middle- submental lymph nodes

Left lip part- submandibular lymph nodes

Question 10

Buccinator covered by

Answer 10

Buccopharyngeal fascia

Question 11

Cheek lymphatic

Answer 11

Submandibular
Preauricular
Buccal
Mandibular nodes

Question 12

Oropharyngeal isthmus other name

Answer 12

Isthmus of fauces

Question 13

submandibular gland oppening

Answer 13

Sublingual papilla’s summit

Question 14

Sublingual papilla present at

Answer 14

On sides of frenulum of tongue

Question 15

Gums two sides

Answer 15

Labial

Lingual

Question 16

Gums nerve supply

Answer 16

Upper gums:
•labial side- post.,middle, ant.sup.alveolar nerve(v2)
•lingual side- ant.& nasopalatine nerve
Lower gums:
•labial side- buccal branch(v3) & incisive branch(mental nerve)
•lingual side- lingual nerve(v3)

Question 17

Lymphatic of gums

Answer 17

Upper gums & posterior surface of lower gums- submandibular nodes
Anterior surface of lower gums- submental nodes

Question 18

Ludwig’s angina

Answer 18

Cellulitis of floor of mouth
Swelling both below the chin and within the mouth
Due to carious molar tooth

Question 19

Teeth set in human & non mammals

Answer 19

Diphyodont in human(deciduous2120 & permanent2123)

Polyphyodont in non mammals

Question 20

Teeth parts

Answer 20

Crown
Neck
Root
Enamel, dentine, periodontal membrane, cement, pulp having vessels n nerves

Question 21

Teeth development

Answer 21

Dental lamina
Bud stage
Cap stage
Bell stage
Teeth

Question 22

Pyorrhea alveolaris

Answer 22

Foul smell breathing due to improper oral hygiene leading to pus discharge at gums margin