Endo-Perio

Question 1

What are three methods of communication bn the pulp tissue and periodontium

Answer 1

Apical foramen
Lateral/accessory canals
Dentinal tubules

Question 2

Where are lateral canals more often found

Answer 2

posterior teeth

apical portion of roots

Question 3

Size and number of dentinal tubules decreases in the

Answer 3

Coronal-apical direction

Question 4

What is the major cause of pathologic changes in Periradicular tissues.

Answer 4

Bacteria

Anaerobic gram-negative seem to be the most common found in infected root canals

Question 5

What are the main organisms associated with destructive periodontal lesions

Answer 5

Porphyronomas gingivalis
Prevotella intermedia
Bacteroides forsythus
Actinobacillus actynomycetemcomittans
Treponema denticola

Question 6

Whats signs are usually associated with endodontic lesions

Answer 6

Presence of caries
Extensive restorations
Discolored crowns

Question 7

What signs are usually associated with perio lesions

Answer 7

Absence of obvious coronal defects
Accumulation of plaque and calculus.
Generalized gingivitis or periodontitis.
Angular bone loss.
Wide probing defects that do not usually extend to the apex.