20. Chronic periodontitis. Etiology, classification, clinical features, diagnosis, differential diagnosis and surgical treatment. Complications and prevention Flashcards
1
Q
Periodontitis defintion
A
- Inflammatory process in periodontal space
- Affects alveolar bone, soft tissues and lymphatics
2
Q
Two main parts of periodontium
A
- Periodontium periapicale(around root tip)
- Periodontium marginale(Around alveolar ridge)
3
Q
Periodontitis can be classified according to:
A
- Aetiology
- Type of inflammation
- Location
- Clinical course
4
Q
Periodontitis classifications according to aetiology
A
- Infectious
- Trauma
- Chronic
- Chemotaxic
- Allergic
5
Q
Infectious organisms of Periodontitis
A
- Micro-organisms from infected root canals or periodontal pockets
- Aerobes
- Anaerobes
- Lactobacillus
- Fusobacterium
- Staphylococci
- Streptococci
- Actinomyces
- Clostridium
6
Q
Causes of infectious periodontitis
A
- Untreated pulpitis
- Improper treatment
- Failure of root canal
- Gangrenous roots
- Periodontal defects
7
Q
Types of trauma that cause periodontitis
A
- Acute
- Chronic
8
Q
Acute trauma in periodontitis
A
- Fracture of crown->
- Disruption of vascular bundle
- Influx of MO
- Necrosis of pulp
9
Q
Chronic trauma in periodontitis
A
- Poorly designed restorations overload periodontium
- Crowns
- Bridges
- Parafunction
10
Q
Allergic causes of periodontitis
A
- Allergy to dental materials
- Hyperergic antigen antibody reactions
11
Q
Chemotoxic causes of periodontitis
A
- Irritating toxic drugs
- Arsenic
- Phenolic derivatives
- Improper use of composite materials
12
Q
Periodontitis classification according to location
A
- Periapical
- Total
13
Q
Periodontitis classification according to type of inflammation
A
- Exudative
* Serous
* Purulent - Proliferative
* Granulomatous
14
Q
Periodontitis classification according to Clinical course
A
- Sharp
- Chronic
- Excacerbated
15
Q
Chronis periodontitis classifications
A
- Periodontitis periapicalis chronica granulomatosa diffuse(sin/cum fistulae)
- Periodontitis periapicalis chronica granulomatosa localisata
- Periodontitis periapicalis chronica fibrosa
- Periodontitis chronica exacerba