57106
AGEING IN DENTAL TISSUES
- AGEING OF SKIN
- Loss of RETE PEGS+thinning
- Loss of RETE PEGS+thinning
- MAX CELL MULTIPLICATION
- Normal cells have a max amount of times they can divide and mulitply
- Hayflick Phnemonea, depends on species
- Hayflick Phnemonea, depends on species
- Normal cells have a max amount of times they can divide and mulitply
- ORAL MUCOSA
- Thinned by up to 30% form 20-80yrs
- less complex structure - Loss of Rete Pegs
- Sublingual varicosities:occurs +70yrs
- Sebaceous Glands: become more prominent and can appear white
- Atrophy of Taste Buds/changes in taste
- Atrophy of Taste Buds/changes in taste
- Sebaceous Glands: become more prominent and can appear white
- Sublingual varicosities:occurs +70yrs
- less complex structure - Loss of Rete Pegs
- Thinned by up to 30% form 20-80yrs
- ELDERLY MUCOSA
- More susceptible to damage ie smoking alcohol
- More susceptible to damage ie smoking alcohol
- SALIVA
- FUNCTIONS:lubricant, solvent, digestion, protection, bolus formation
- antibacterial, antiviral
- STRUCTURAL CHANGE
- ADIPOSE tissue decreases
- FIBROUS tissue decreases
- VASCULARITY decrease
- DUCT dilation
- ONCOCYTIC change
- ONCOCYTIC change
- DUCT dilation
- VASCULARITY decrease
- FIBROUS tissue decreases
- ADIPOSE tissue decreases
- FUNCTIONS:lubricant, solvent, digestion, protection, bolus formation
- MINOR GLANDS
- SEROUS:fatty replacement of serous tissue
- MUCOUS:fibrous replacement of secretory tisue
- This can occur due to Chronic Inflammation
- This can occur due to Chronic Inflammation
- MUCOUS:fibrous replacement of secretory tisue
- SEROUS:fatty replacement of serous tissue
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