Dental Anatomy and Furcation Pathology

Play an AI-generated podcast conversation about this lesson

What is the main factor leading to clinical attachment loss (CAL) in the furcation area?

Accumulation of plaque biofilm (correct)

Presence of root length local anatomical factor

Furcation classification by Glickman

Local anatomical factors such as cervical enamel projections (CEPs)

Which classification is the most commonly used for furcation involvement?

Hamp’s classification

Glickman’s classification (correct)

Tarnow and Fletcher’s classification

Masters & Hoskins classification

What are the characteristics of Glickman’s classification Grade II furcation involvement?

Interdental bone destruction with soft tissue recession apically

Loss of bone at the dome of furcations

Remaining alveolar bone attached to tooth, may be early or advanced (correct)

Incipient/ early stage bone loss with no radiographic changes

What local anatomical factor has a direct proportional relationship with the amount of attachment loss in the furcation area?

Root length Signup and view all the answers

What local anatomical factor affects the rate of plaque deposition and complicates oral hygiene procedures in the furcation area?

Interradicular dimension Signup and view all the answers

In which type of furcation involvement is soft tissue recession apically and furcation opening clinically visible?

Glickman’s classification Grade IV Signup and view all the answers

What is the main objective of treatment for furcation lesions?

Elimination of plaque biofilm from exposed surfaces of the root complex Signup and view all the answers

What treatment option aims to maintain the furcation without surgical intervention?

Nonsurgical mechanical debridement (Scaling/ root planning) Signup and view all the answers

Which type of cervical enamel projection (CEP) extends horizontally into the furcation entrance, complicating plaque removal and being a local factor in the development of gingivitis and periodontitis?

Masters & Hoskins Grade III CEPs Signup and view all the answers

What problem complicates the accessibility of DeMarco curettes in non-surgical therapy for furcation lesions?

Problem with accessibility of DeMarco curettes Signup and view all the answers

What should be removed to facilitate maintenance in cases of cervical enamel projections (CEPs)?

The CEPs themselves Signup and view all the answers

What is considered a key factor in treatment planning for furcation lesions?

Divergence degree of interradicular dimension Signup and view all the answers

What is the suitable treatment for grade I and early grade II furcation involvement?

Tunnel preparation Signup and view all the answers

What is a possible side effect of furcationplasty?

Root caries Signup and view all the answers

When is root resection recommended as a treatment option?

For advanced grade II furcation involvement Signup and view all the answers

What is the objective of tunnel preparation as a treatment option?

To remove bone from the furcation to produce an open tunnel Signup and view all the answers

What is a common indication for hemisection as a treatment option?

Grade II furcation involvement in mandibular molars Signup and view all the answers

What is the aim of regeneration as a treatment option for furcation problems?

To complete elimination of the defect within the inter-radicular space Signup and view all the answers

When is extraction of furcation involved teeth recommended?

For advanced grade III furcation involvement Signup and view all the answers

What is the main difference between root resection and hemisection as treatments for furcation problems?

Root resection removes both roots, while hemisection removes only one root Signup and view all the answers

What should be done after fixation of the membrane in regeneration treatment?

Full coverage to prevent membrane exposure Signup and view all the answers

When are bone grafts and guided tissue regeneration (GTR) recommended as a treatment option?

For vertical bone defects only Signup and view all the answers

What are some possible side effects of tunnel preparation as a treatment option?

Root sensitivity and root caries Signup and view all the answers

What is a possible side effect of root hemisection as a treatment option?

Pulp necrosis Signup and view all the answers

What is the furcation?

The anatomic area of a multi-rooted tooth where the roots diverge Signup and view all the answers

What is the furcation invasion?

The pathologic resorption of bone within a furcation Signup and view all the answers

What is the height of the furcation trunk?

The distance between the CEJ and the line of root separation Signup and view all the answers

What are the furcation entrances?

The earliest areas of furcation involvement Signup and view all the answers

How is the diagnosis of furcation defects carried out?

Through clinical examination (careful probing) using a Nabors probe and Transgingival sounding Signup and view all the answers

What is the aim of proper diagnosis of furcation defects?

All of the above Signup and view all the answers

What is the function of Nabors probe?

To make direct contact with bone forced under LA through the gingiva Signup and view all the answers

What is transgingival sounding used for?

To measure the depth of a furcation defect from a reference point on the root trunk Signup and view all the answers

What is radiographic examination used for in diagnosing furcation defects?

To visualize and determine the extent and configuration of the furcation defect Signup and view all the answers

What contributes to furcation invasion?

The type and direction of forces applied during chewing Signup and view all the answers

What does Nabors probe make direct contact with?

The bone forced under LA through the gingiva Signup and view all the answers

What does Transgingival sounding measure?

The depth of a furcation defect from a reference point on the root trunk Signup and view all the answers