41.Endodontic -Periodontal lesions

Question 1

Endodontic periodontal lesions

Endo-perio lesion

Answer 1

• Conditions where pulp and periodontium diseased simultaneously
• Disease may arise from one or both sites

Question 2

Endodontic periodontal lesions

Infectious processes in periodontium of endodontic origin

Answer 2

• Root canal infection leaks through apical foramen
• Caries, restorative procedures, extrusion of toxic medicaments/root canal materials and trauma common aetiologies
• Disruption of apical lamina dura or widening of PDL space radiologically

Question 3

Endodontic periodontal lesions

Infectious processes in periodontium of endodontic origin clinical presentation

Answer 3

• Clinical signs of pulpitis may or may not be present

Clinical signs of pulpitis-spontaneous pain, thermal sensitivity, tenderness to percussion

Question 4

Endodontic periodontal lesions

Routes of drainage from acute endo lesion

Answer 4

• Through PDL space and exiting at bottom of sulcus
• Perforation of cortical bone close to apex=>may develop sinus tract

Question 5

Endodontic periodontal lesions

Treatment of endo-periodontal lesions

Answer 5

• Endodontic treatment
• Periodontal therapy following endodontic treatment if necessary

Question 6

Endodontic periodontal lesions

Diagnostic features of perio-endo lesion

Answer 6

• Occurence of sudden pain
• Marginal inflammation
• Increased probing depth
• Suppuration
• Increased mobility
• Loss of fibrous attachment

Question 7

Endodontic periodontal lesions

Treatment of Endodontic, periodontal and endo-perio lesions

Answer 7

• Endodontic- non vital pulp=>Endo treatment
• Periodontal- Vital pulp=>Periodontal therapy
• Endo/peri lesion=>Endo and pulp therapy