Endodontic-Periodontal Interrelationship in BDS 11136

What is the main pathway for the ingress of irritants from necrotic pulp into peri-radicular tissue?

Which of the following can carry toxic substances from pulp to periodontium or vice versa?

What formed due to the breakdown of epithelial root sheath of Hertwig before root dentin formation?

What carries irritants from necrotic pulp through the apical foramen into peri-radicular tissue?

Which non-physiological cause is associated with vertical root fracture?

What is the main pathway for irritants if plaque covers the root and reaches the apical vessels?

What carries toxic substances between dental papilla and dental sac?

What is the physiological cause associated with the breakdown of epithelial root sheath of Hertwig before root dentin formation?

What is NOT a physiological cause associated with the intercommunication between pulpal and periodontal tissues?

What carries toxic substances from pulp to periodontium or vice versa?

What is formed due to the breakdown of epithelial root sheath of Hertwig before root dentin formation?

What carries irritants from necrotic pulp through the apical foramen into peri-radicular tissue?

What is the primary aim of the lecture?

What does little or no pain indicate in the context of subjective signs and symptoms?

What is a common radiographic finding associated with periodontal disease?

In the context of clinical tests, what does a positive response to percussion indicate?

What is the aim of regenerative approach in the treatment alternatives?

What is the diagnosis for a 42-year-old male with acute localized pain and localized swelling in the left mandibular molar area, severe throbbing pain, and severe bone loss around the distal root of lower 2nd molar?

What is the cause of bone loss around the distal root in the previous case?

What is the diagnosis for a 52-year-old male with recurrent local swelling and drainage near the maxillary right second premolar, widened apical periodontal ligament space, and deep periodontal defect interproximally on the distal aspect?

What is the origin of a draining sinus tract near the maxillary right second premolar in the previous case?

What is one of the educational aims of this lecture?

What do widened apical periodontal ligament space and deep periodontal defect indicate in a radiograph?

Which condition results in an artificial communication between the root canal system and the periodontium?

What is the classical sign of a longstanding root fracture, usually in the mesiodistal plane?

What condition leads to apical migration of the epithelial attachment due to progressive periodontal disease?

What characteristic is associated with primary endodontic lesions involving a nonvital tooth?

What is the treatment for primary endodontic lesions without any periodontal involvement?

Which type of lesion begins in the sulcus and migrates to the apex due to plaque accumulation?

What is a characteristic feature of true combined lesions?

What may mimic clinically the presence of a periodontal abscess in a nonvital tooth with a chronic apical lesion?

What is the treatment for primary periodontal lesions?

What happens when pulp becomes involved in primary periodontal with secondary endo involvement?

What characterizes concomitant pulp and periodontal lesions?

What results from an acute exacerbation of a chronic apical lesion in a nonvital tooth?