Phyiology And Anatomy Flashcards
Dentine is made up of..
80% inorganic crystal
Pulp is..
A soft tissue
Cementum is..
65% mineralised crystals
The trigeminal nerve is known as..
The 5th/v nerve. Sensory, pain, temp, touch. Soft tissue
The facial nerve is known as..
The 7th/v11 nerve. Sensory, taste from
The glossopharyneal nerve is known as..
The 9th/1x nerve. Sensory, taste from posterior tongue.
Hypoglossal nerve is known as the?
12th/X11 nerve. Tongue muscle
The anterior nerve effects..
Teeth 1,2,3
The middle nerve effects teeth..
4,5 and distal half of 6
The posterior nerve effects teeth..
Distal half of 6,7 and 8
The most common block is..
The ID nerve (6,7 and 8) inferior nerve
Code 0-
Healthy gingival tissue with no bleeding on probing
Code 1-
Pocketing no more than 3.5mm. Bleeding on probing, no calculas or other plaque retention factor present
Code 2-
Pocket no more then 3.5mm but plaque retention factor detected
Code 3-
Pocket present upto 5.5mm deep
Code 4-
Pocket present deeper then 5.5mm
Code *-
Gingival recession or furcation involvement present
The perio ligament acts as a..
Shock absorber
The ring around the muscle surrounding the mouth is the..
Orbricularis oris
The natural shredding of teeth is called?
Exfoliation
Drug records should be kept for?
11 years
Blood vessels pass through natural openings called?
The foremen
Ortho class one-
Normal
Ortho class 2 div 1-
Proclined
Ortho class 2 div 2-
Retroclined
Ortho class 3-
Overjet
A patient who sucks their thumb often has a..
Proclined incisor teeth and an anterior open bite
Enamel is made up of?..
96% mineral crystal called called calcium hydroxyapatite
What joins the temple bone and condylar me together?
The glenoid fossa
What lies beneath the shell of the tooth?
Enamel
What comes after enamel?
Dentine
What is the gum known as?
The gingiva
What is the nerve running through the centre of the tooth known as?
The pulp
What is the gum surrounding the tooth known as?
Spongy bone
What is the outer layer of the tooth called?
Cementum
What lies at the base of tooth?
The apex
An over bite greater then 50% means what?
Class ii div 2 incisors
An over jet greater then 4mm means what?
Class ii div 1 malocclusion
Angles classification is based on the position of which teeth
The first molars and canines in each jaw
A twin block Appliance relies on what to move the teeth?
Muscles of facial expression and mastication
What is an Adams crib?
A stainless steel clasp fitted on to molar teeth to retain the appliance
In a removable ortho appliance what do springs do?
Move the teeth along the arch as required
In a removable ortho appliance what do retractors do?
To push one or several teeth backwards
In a removable appliance what are expansion screws used for?
To move several teeth or each half of the upper arch outwards
What are the upper chambers of the heart called?
Atria/atrium
What are the lower chambers of the heart called?
Ventricles
Which side of the heart transports deoxygenated blood?
The Right side
From the body to the lungs
Which side of the body transports oxygenated blood?
The left side
From the lungs to the rest of the body
What is the name of the one way valve between the two right heart chambers?
Tricuspid valve
What is the name of the one way valve in the left chamber of the heart?
The mitral valve
Deoxygenated blood is collected from the whole body through what?
Veins
Blood vessels taking oxygenated blood around the body are?
Arteries
Which is the largest artery in the body?
The aorta
Oxygen passes out of capillaries as what?
Carbon dioxide
the waste product of energy production
This is called internal respiration as a gas exchange
What is external respiration?
The is the release of co2 from lungs and 02 breathed in and reoxygenated
What transports food from the mouth to the stomach?
The oesophagus
Where is the majority of ingested food stored while being broken down for absorption?
The stomach
Where is the final stage of digestion and absorption of nutrients?
Small intestine
Where are digestive waste products stores before elimination?
Large intestine
What is peristalsis?
A wave like muscle action of the oesophagus pushing swallowed food down the throat
The acidic stomach contents have a oh value of what?
PH2
What does the liver produce to neutralise the acid stomach contents?
Alkaline bile.
Where is alkaline bile stored?
The gore bladder
Which organ assists digestion by producing various enzymes into the small intestine?
The pancreas
The liver is a chemical factory or the body and its functions are
Storage and distribution of carbohydrates
Difficulty in swallowing is known as what?
Dysphasia