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Day 2 Digestion Unit
"The object of the superior man is truth."
-Confucius
Today’s Agenda
1. Objective 2
2. Teeth: Obj. 53. Saliva, Chewing &
Swallowing: Obj. 7-84. Intro to the Stomach
Obj. 2: Major Digestive Processes
Ingestion Propulsion Mechanical Digestion Chemical Digestion Absorption Egestion
Peritoneum
Peritoneum is the serous membrane lining the interior of the abdominal cavity & covering the surfaces of abdominal organs
Peritoneum
Includes the omenta and the mesentary
Functions of the Mouth
Mechanical BreakdownMastication
Chemical BreakdownSalivary Amylase: Carbohydrates
Tooth StructureObj. 5
Tooth Structure
Enamel: acellular, brittle, mineralized
Dentin: bonelike material, forms bulk of tooth
Pulp: supplies nutrients & provides tooth sensations
Cementum: calcified connective tissue
Obj. 5 cont
In each of the next frames, what part of the tooth is
being effected?
Diagram of a CAVITY
Obj. 5 cont
Deciduous & Permanent Teeth
Obj. 5 cont
Deciduous Teeth
Also called baby or milk teeth
20 teeth by 2 years old
Obj. 5
Permanent Teeth
32 teeth, start erupting by 6-7 yrs old
Dental Formula: Right Left 2I, 1C, 2PM, 3M X 2 = 32 teeth
2I, 1C, 2PM, 3M Incisors, Cuspids, Bicuspids, Molars
Teeth
How many permanent teeth do you have if you had your wisdom teeth taken out?
What is the hardest part of the tooth?
Name the 4 categories of teeth.
Where is the root canal of the tooth located?
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