Infection Control in Dentistry

Question 1

Infection Transmission
-Person-to-person transmission of either ________ or ________ disease pathogens requires _____ ____: source of infection, ____ to transmit the bacteria (_____, _____ droplets, human _____ ______ on instruments), and a ____ of transmission (_______ or _______)

Answer 1

-opportunistic; infectious; index case; carrier; blood; salivary; organic matter; route; inhalation; ingestion

Question 2

Sources of Infection

• Patients with ____ diseases are _____ infectious
• Patients in the _______ Stage of infection who do NOT display _______ signs of infection and serve as _________ where the bacteria multiply
• ________ carriers of pathogenic bacteria, __________ Carriers and __________ Carriers

Answer 2

• acute; highly
• Prodromal; visible; incubators
• Healthy; Convalescent; Asymptomatic

Question 3

Modes of Transmission

• ________ contact of tissues with blood or ______ (hence gloves!)
• ______ containing infectious bacteria or _____
• Contaminated _____ and ______ that have not been properly sterilized
• ______: Inanimate objects

Answer 3

• Direct; secretions
• Droplets; spore
• fomites; sharps
• Fomites

Question 4

Mode of Entry

• _________
• ________ or injection
• ________

Answer 4

• Inhalation
• Inoculation
• Ingestion

Question 5

Bacteria of Concern in Dentistry

• ______ _______ thats transmitted by inoculation
• _______ ______ that is the causative agent of Syphilis via inoculation
• _______ ______ transmitted via _____ or ______
• _______ ____ are Group A ___________ involved in causing strep-throat and other upper respiratory infections

Answer 5

• Neisseria gonorrhoeae
• Treponema pallidum
• Mycobacterium tuberculosis
• Streptococcus pyogenes