Oral Health Assessmen
- Created by: gibs
- Created on: 30-05-15 18:10
effect on ageing on the soft tissues
SKIN
Has less underlying fat and elasticity
This gives increased tissue fragility and the likely hood of soft tissue trauma and brushing postoperatively
BONE
more brittle/ postmenopausal women/ osteoporosis
increase of jaw fracture during extraction
the natural resorption of the jaw bone following tooth extraction make denture retention more difficult to achieve
Oral Mucosa
thinner and less elastic/ easier to traumatise during treatment/ alvelor ridges areas are less tolerant of bearig dentures/ discomfort and ulceration more likely
ageing on the soft tissue
Salivary glands
undergo an alteration of the salivary components and volume, especially with certain drugs
xerostomia
increased caries rate, slef clensed action of saliva is reduced
problems with swallowing,speech, denture retention/ increaed incidence of localised periodontal conditions
TEETH
darkening in colour/ shade matching more difficult to achieve
narrowing and sclerosis of pulp chamber / difficulties in gaining acess to root canals during endodontic treatment
reduced sensitivy
basic structure & function of oral and dental anat
TEETH
to cut up food for swallowing
to expose the food surfaces to enzymes and allow digestion to begin
to support the oral soft tissuesof the cheeks and tongue/ enable speech
all teeth are composed of the same four tissues
Enamel/ tissue covering the whole crown of the tooth
Dentine/ a less calcified tissue than enamal but forms the inner bulk of the crown and root
Cementum/ a thin calcified covering of the root dentine only
pulp/ the inner neurovascular tissue of the tooth, within the central pulp chamber
Enamel
96% mineral crystals in an organic matrix called interprismatic substance
main mineral cystals calcium hydroxyapatite
Enamel is formed before tooth eruption by the ameloblast cells which lie in the ADJ
contained no nerves or blood vessels and therefore cannot experience any sensation
damage is permanent cannot repair its self
can reminerlize from tooth paste and mouthwash
thickests over the biting surface and thiniest at the neck
it is translucent in apperance so shade is determined by colour of underlying dentine
Dentine
It consits of 80% inorganic tissue mainly calcium hydroxyapatite crystals
It is composed of hollow tubes that originally surrounded the cless within the dentine structure as it was first being formed
In a fully formed toothe these odontoblast cells lie along the inner edge of the pulp chamber only, but are present throughout life and can lay down more dentine as required
Repair itself by laying down secondry dentine
this type of dentine is formed apart of the natural aging process and its formation gradually narrows the pulp chamber
dentine is a living tissue/ transmit sensations of pain and thermal changes to the brain
It hollow structure allows it a degree of elasticity so that it can absorb normal chewing forces
allows tooth decay to spread more rapidly though its hollow structure
dentine is a yellowish colour and gives teeth its own individual shade
Cementum
protective covering of the root
crystals lie within a matrix of fibrous tissue with the ends of collagen fibers from the periodontal ligament inserted into the outer layer of the cementum
this allows attachment of the root to the periodontal ligament and therefore to the walls of the tooth socket
formed by cells called cementoblasts and continue laying down more tissue layer when required
contains no neverves or blood vessels itself so it recieves nutrients form the periodontal ligament
Related discussions on The Student Room
- Second Degree - Student Finance »
- EPQ title advice »
- route to being a hygienist »
- What course to choose ? »
- Education »
- Caledonian oral health science 2022 »
- career advice pls :/ »
- QMUL oral health »
- Will universities accept btec extended diploma without additional a levels? »
- Dental hygiene and therapy »
Comments
No comments have yet been made