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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