DAE 166 UNIT 2 STUDY SET WITH COMPLETE SOLUTIONS
100% VERIFIED!!
Anxiety - ANSWER the feeling of fear, dread, and uneasiness
4 types of Dental Anxiety Treatments? - ANSWER 1. Nitrous oxide
2. Oral anti anxiety (Anxiolytics) drugs
3. IV anti anxiety drugs
4. Non medication calming products
Analgesic - ANSWER Sedative Combination (relax and relieve pain)
Anti anxiety agents can cause exaggerate effects on who? - ANSWER children, elderly
and patients with liver or kidney problems
Anti anxiety sedation and pain - ANSWER sedation does not equal analgesia (pain
control)
Stage I of Anesthesia - ANSWER Analgesia *Local Anesthesia*
Stage II of Anesthesia - ANSWER Delirium or Excitement *N2O*
Stage III of Anesthesia - ANSWER Surgical Anesthesia *General Anesthesia*
Stage IV of Anesthesia - ANSWER Respiratory or Medullary Paralysis *Overdose*
Joseph Priestley - ANSWER Discovered N2O (nitrous oxide). Discovered that it had
,psychotropic properties
Horace Wells - ANSWER first to use N2O in dentistry when he realized it also had
analgesic properties
N2O chemical name - ANSWER dinitrogen monoxide
N2O common name - ANSWER laughing gas
N2O recreational name - ANSWER whippets
N2O gas tank color - ANSWER Blue
Oxygen gas tank color - ANSWER Green
Properties of nitrous - ANSWER Colorless gas with little or no odor
N2O onset? - ANSWER rapid (1-4 minutes)
N2O recovery time? - ANSWER 2-5 minutes
Dental Considerations for N2O Use - ANSWER ● Minimize the exposure to the operator
(Scavenging system, Adequate ventilation)
● Good technique
● Safe equipment
Advantages of N2O - ANSWER ● Easy administration
, ● Close control
● Rapid onset & recovery
● Anesthesiologist not needed
● Acceptability for children
● Relaxed dental team
Disadvantages of N2O Use - ANSWER ● Some patients may get nausea or dizzy
especially if dose is too high
● Patients with behavior problems may act out negatively
Contraindications for N2O - ANSWER ●Respiratory obstruction - cold stuffy nose
Chronic obstructive
● Pulmonary disease - emphysema Emotional instability.
● Pregnancy - spontaneous abortion (Class C)
● Abuse
Most common N2O abusers? - ANSWER dental professionals
N2O Equipment Parts: Flow meters - ANSWER show flow of gas. Has Safety: stops the
flow of N₂O if O₂ drops below 30%.
N2O Equipment Parts: Control valves - ANSWER Controls the amount of N2O or Oxygen
given to patient
N2O Equipment Parts: Reservoir bag - ANSWER Where the two gases are combined.
N2O Equipment Parts: Gas hose - ANSWER Reusable, Must be sterilized.
100% VERIFIED!!
Anxiety - ANSWER the feeling of fear, dread, and uneasiness
4 types of Dental Anxiety Treatments? - ANSWER 1. Nitrous oxide
2. Oral anti anxiety (Anxiolytics) drugs
3. IV anti anxiety drugs
4. Non medication calming products
Analgesic - ANSWER Sedative Combination (relax and relieve pain)
Anti anxiety agents can cause exaggerate effects on who? - ANSWER children, elderly
and patients with liver or kidney problems
Anti anxiety sedation and pain - ANSWER sedation does not equal analgesia (pain
control)
Stage I of Anesthesia - ANSWER Analgesia *Local Anesthesia*
Stage II of Anesthesia - ANSWER Delirium or Excitement *N2O*
Stage III of Anesthesia - ANSWER Surgical Anesthesia *General Anesthesia*
Stage IV of Anesthesia - ANSWER Respiratory or Medullary Paralysis *Overdose*
Joseph Priestley - ANSWER Discovered N2O (nitrous oxide). Discovered that it had
,psychotropic properties
Horace Wells - ANSWER first to use N2O in dentistry when he realized it also had
analgesic properties
N2O chemical name - ANSWER dinitrogen monoxide
N2O common name - ANSWER laughing gas
N2O recreational name - ANSWER whippets
N2O gas tank color - ANSWER Blue
Oxygen gas tank color - ANSWER Green
Properties of nitrous - ANSWER Colorless gas with little or no odor
N2O onset? - ANSWER rapid (1-4 minutes)
N2O recovery time? - ANSWER 2-5 minutes
Dental Considerations for N2O Use - ANSWER ● Minimize the exposure to the operator
(Scavenging system, Adequate ventilation)
● Good technique
● Safe equipment
Advantages of N2O - ANSWER ● Easy administration
, ● Close control
● Rapid onset & recovery
● Anesthesiologist not needed
● Acceptability for children
● Relaxed dental team
Disadvantages of N2O Use - ANSWER ● Some patients may get nausea or dizzy
especially if dose is too high
● Patients with behavior problems may act out negatively
Contraindications for N2O - ANSWER ●Respiratory obstruction - cold stuffy nose
Chronic obstructive
● Pulmonary disease - emphysema Emotional instability.
● Pregnancy - spontaneous abortion (Class C)
● Abuse
Most common N2O abusers? - ANSWER dental professionals
N2O Equipment Parts: Flow meters - ANSWER show flow of gas. Has Safety: stops the
flow of N₂O if O₂ drops below 30%.
N2O Equipment Parts: Control valves - ANSWER Controls the amount of N2O or Oxygen
given to patient
N2O Equipment Parts: Reservoir bag - ANSWER Where the two gases are combined.
N2O Equipment Parts: Gas hose - ANSWER Reusable, Must be sterilized.
