ABP ABP Occlusion and Biomechanics

Question 1

In periodontal co-destruction theory, what is the primary role of occlusal trauma in the presence of plaque-induced periodontitis?

Accepted Answer

Acts as a co-destructive factor accelerating bone loss in already-inflamed tissue

Answer

Initiates periodontal pocket formation independently

Answer

Causes gingival recession without bone involvement

Answer

Eliminates the inflammatory infiltrate through increased blood flow

Question 2

What term describes the adaptive widening of the periodontal ligament space without attachment loss in response to increased occlusal forces?

Accepted Answer

Adaptive remodeling

Answer

Secondary occlusal trauma

Answer

Primary occlusal trauma

Answer

Fremitus

Question 3

Which clinical sign is MOST indicative of primary occlusal trauma in a periodontally healthy patient?

Accepted Answer

Pathologic tooth mobility with normal bone levels radiographically

Answer

Increased probing depths

Answer

Furcation involvement

Answer

Generalized gingival recession

Question 4

Fremitus is best defined as which of the following clinical findings?

Accepted Answer

Vibration or movement of a tooth felt by the examiner's finger during occlusal contact

Answer

Mobility detected by bimanual palpation during excursive movements

Answer

Pain on percussion of a tooth with occlusal prematurity

Answer

Radiographic widening of the periodontal ligament space

Question 5

According to the 2017 World Workshop classification, occlusal trauma is categorized under which major disease group?

Accepted Answer

Traumatic occlusal forces and occlusal trauma

Answer

Periodontal diseases modified by systemic factors

Answer

Periodontal conditions associated with endodontic lesions

Answer

Non-plaque-induced gingival conditions

Question 6

When treating a patient with secondary occlusal trauma (reduced periodontium with normal forces), what is the FIRST priority in the treatment sequence?

Accepted Answer

Periodontal debridement and infection control

Answer

Occlusal adjustment to eliminate prematurities

Answer

Fabrication of a night guard appliance

Answer

Extraction of mobile teeth