BDS3 Periodontology: Gingiva & Peri-implant Tissues

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29 Questions

What is the periodontium composed of?

Gingiva, periodontal ligament, cementum, and alveolar bone

Which of the following is a part of the peri-implant structure?

Fixture and abutment

What is the primary objective of this content as stated in the learning objectives?

To describe relevant physiology and its application to patient management

What is the term for the process of bone formation around a titanium implant?

Osseointegration

Which General Dental Council outcomes is this content mapped to?

1.1.7, 1.2, 1.4, 1.5, 1.7

What is the function of the gingiva?

Protection

Which of the following is NOT a part of the gingiva?

Periodontal ligament

What is the thickness of the gingival epithelium?

0.2 to 0.3mm

What is the shape of the interdental gingival tissue (papilla) where teeth are relatively narrow?

Pyramidal

What is the term for the area where the gingiva meets the tooth?

Mucogingival junction

What is the type of keratinisation in the gingival epithelium?

All of the above

What percentage of collagen is found in the inner zone of the peri-implant tissue?

87%

What happens when toxins and bacterial products enter the connective tissue?

The junctional epithelium becomes inflamed

What is the purpose of hemidesmosomes?

To attach the junctional epithelium to the titanium surface

Where does the blood supply of peri-implant tissues come from?

Supra-alveolar connective tissue

What is required for a stable biological seal?

3mm supracrestal soft tissue attachment, 1mm CT, and 2mm JE

What type of fibres are present in the peri-implant tissue, which are not present in the gingiva?

Multidirectional fibres

What happens when the probe enters the junctional epithelium in unhealthy conditions?

The probe hurts and the site bleeds

What is the characteristic of the outer zone of the peri-implant tissue?

Less collagen and more cells and vessels

What is the term for the bone that makes up the alveolar ridge?

Alveolar bone

What is the implication of a weaker junctional epithelium attachment?

A weaker implant attachment is formed

What is the difference in probing depth between healthy and diseased sites?

The probe stops 0.7 mm deeper in diseased sites

What is the thickness of the inner zone of the peri-implant tissue?

50-100um

What is the primary function of Merkel cells in the stratum basale?

To act as sensory touch receptors

What is the characteristic of the crevicular epithelium?

It is non-keratinised and has a rapid turnover

How often is the junctional epithelium completely replaced?

Every 4 to 6 days

What type of cells are found in the junctional epithelium?

All cells look like basal cells

What is the function of hemidesmosomes in the junctional epithelium?

To anchor the epithelium to the enamel

What is the purpose of the free gingival groove?

To regulate the movement of cells and fluids

Learn about the anatomy and function of gingiva and peri-implant tissues in health. This quiz covers relationships between periodontal diseases and systemic health, and is mapped to General Dental Council Outcomes. Assess your knowledge of patient assessment and management.

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