Bachelor's degree in Dental Hygiene (Rovereto)

Health and safety promotion - MICROBIOLOGIA CLINICA

Course code
Name of lecturer
Caterina Signoretto
Number of ECTS credits allocated
Academic sector
Language of instruction
CLID LEZ 1A 2S dal Feb 6, 2017 al Apr 7, 2017.

To show the organization of the course that includes this module, follow this link * Course organization

Lesson timetable


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Learning outcomes

The biology of microorganisms (bacteria, viruses, fungi and protozoa) and basic concepts of their role as agents of infectious diseases. Classification and mode of action of the main classes of antibiotics and antimicrobial drugs. The oral microbiota. Knowledge of the role of microorganisms in major infectious diseases of the oral cavity: dental caries and periodontal disease.


Classification of microorganisms in the world of the living.
Structure of the bacterial cell: the difference between gram positive and gram negative bacteria
Virus: architecture and classification.
Mechanisms of virus replication
Fungi and protozoa: classification and structure
Mechanisms of bacteria pathogenicity: exotoxins and endotoxin bacterial
Mechanisms of pathogenic viruses. Frameworks infections localized, generalized, silent, persistent, latent and slow infections
Definitions and classification of antibiotics.
Mechanisms of action of the main antibacterial drugs.
The antibiotic resistance and its implications in medicine.
The antibiogram. Minimal Inhibition Concentration (MIC) and Minimal Bactericidal Concentration (MBC). Basic concepts of antifungal and antiviral
Bacteria of clinical interest: Gram-positive bacteria (Streptococci, Staphylococci); gram negative bacteria (Neisseria, Enterobacteriaceae). Bacteria anaerobes obligate
Medical Virology: Herpesvirus (HSV1/2, VZV,EBV, CMV), Adenovirus, Orthomyxovirus, Viruses that cause hepatitis (HAV, HBV, HCV, HDV, HEV).
Retroviruses: HIV 1 and 2 and AIDS
Oral Microbiology
The ecology of the oral cavity. chemical-physical factors that influence the equilibrium of the oral microflora.
The bacteria aggregation and bacteria food chains.
The oral microbiota.
Dental plaque: chemical and microbiological composition
Tooth decay: multifactorial process. The Stephan experiments.
Mechanisms of pathogenic of Streptococcus mutans in caries process. Strategies for prevention of dental caries.
Periodontal diseases (gingivitis and periodontitis): role of oral microflora.
Classification of bacteria according Socransky.
Etiologic agents of periodontal disease. Mechanisms of pathogenic periodontal bacteria.
Dental abscess and infection to the buccal annexed: mechanisms and etiological agents.
Fungal infections in the oral cavity

Reference books
Author Title Publisher Year ISBN Note
Marsh, P. , Martin, M.V. , Polonelli, L. Microbiologia Odontoiatrica Uni.Nova 2007

Assessment methods and criteria

Questions of multiple choice and short open questions + interview (when needed).


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