Anatomy Week 1
How many facial & cranial bones are there?
Facial- 14
Cranial- 8
What are the names and functions of the three main types of blood vessels?
Supine
Lying on back face up
Solubility
The degree of a substance to dissolve in a liquid
What happens to dental material when exposed to hot and cold
Contraction & expansion - protects pulp from thermal shock
The opening end of the root
Apical Foramen
Primary Function of lymphatic system
The lymphatic systems function is to fight & prevent disease. It is made up of nodes, fluids, vessels & organs.
Latch Type Bur
Friction Grip Bur
Latch Type- Contra Angle
Friction Grip- High speed
Glass Ionomer
liner used under restorations to reduce micro-leakage due to its strong bond to dentin
What is an alloy?
A mixture of two or more metals
Osteoblast & Osteoclasts
Osteoblast- tissue forming cells
Osteoclasts- bone resorbition
What is added to local anesthetic to prolong its effect?
Vasoconstrictors
This instrument is used to prep the floor of the cavity prep
Hoe
What can result from improper wedge placement?
Overhangs & cupping
Why do amalgams have zinc, tin and copper?
Zinc- forms hydrogen gas, reacts to moisture
Tin- prevents tarnishing
Copper- corrosion resistance
Functions of the sinuses
Produce mucus, make bones in the skull lighter, provide resonance
What are the two primary functions of the circulatory system?
Regulates body temperature
Transports nutrients & oxygen to the body...
Transports hormones & antibodies throughout body..
Transports CO(2) & waste from cells
Difference between a surgical bur and non-surgical bur
Length of the shank
Why would a dentist place a liner? Who can place this material?
Protects & restores the pulp from irritation caused by chemical & physical factors
DA can place a liner
Calcium Hydroxide & Varnish (types of liners)
When can electrical currents take place?
Galvanic actions, saliva contamination, metals w- different compositions
The Major Salivary Glands
Submandibular- Wharton's Duct
Parotid- Stensens Duct
Sublingual- Bartholins Duct
Five actions of the digestive system
Oral Evacuation
HVE removes debris & fluids
Saliva Ejector removes only fluids
Class I: posterior pre molars & molars (occlusal)
Class II: posterior interproximal & occlusal
Class III: anterior interproximal
Class IV: anterior interproximal & incisal
Class V: gingival third (any tooth)
What are the application properties?
Flow- how well material flows and is placed in mouth
Adhesion- materials must adhere to each other through wetting , film thickness
Retention- materials don't naturally adhere to each other, hold together
Curing- bonding/setting the material with IV light