PDL and Gingiva

Which of the following cells are remnant of the root sheath?

• Fibroblasts

• Epithelial rests

• Macrophages

• Cemetoblasts

Where is the only area cementicle can form?

• Dental pulp area

• Gingiva

• Alveolar bone area

• Periodontal ligament area

Which of the following cells produce the periodontal ligament fiber?

• Fibroblasts

• Epithelial rests

• Osteoblasts

• Cemetoclasts

In a HEAVY function of PDL, which of the following statements best describes these change?

• Increased width and decreased fiber thickness

• Decreased width and increased fiber thickness

• Increased width and increased fiber thickness

• Decreased width and decreased fiber thickness

Which of the following is the most permeable portion of the epithelium?

• The junctional epithelium

• The sulcular epithelium

• The oral epithelium

Which the following structures form from the dental follicle?

• Periodontal ligament

• Enamel

• Junctional epithelium

• Dental pulp

Which of the following principle fibers is locates around the necks of the teeth?

• Dentoalveolar group

      

• Transseptal group

• Oblique group

• Circumferential group

Which the following fiber groups is attached tooth to tooth?

• Horizontal group

• Transseptal group

• Oblique group

• Interradicular group

Which the following conditions does not relate to the rich vascular supply of the periodontal ligament?

• High rate of cell turnover

• Ability to modify in tooth movement

• Healing ability

• Encapsulated pressure receptor

Which is PDL functions?

• Supportive

• Sensory

• Nutritive

• All of above