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Oral Histology

The attached apparatus of tooth is composed of______________?

August 1, 2021July 22, 2019 by admin
The attached apparatus of tooth is composed of______________?

A. Gingiva, cementum and alveolar bone
B. Gingiva and cementum
C. Cementum and periodontal ligament
D. Peridontal ligament the cementum and the alveolar bone

Categories Medical Mcqs, Oral Histology, Periodontal Ligament

Age changes in periodeontal ligament include which of the following ?

August 1, 2021July 22, 2019 by admin
Age changes in periodeontal ligament include which of the following ?

A. Increased fibroplasia
B. Increased vascularity
C. Increased thickness
D. Decreased in number of cementicles

Categories Medical Mcqs, Oral Histology, Periodontal Ligament

Collagen molecule exhibits all of the following features except_____________?

August 1, 2021July 22, 2019 by admin
Collagen molecule exhibits all of the following features except_____________?

A. Triple pleated sheath
B. Mostly contains glycine residues
C. Exhibit cross striations at 64 μm
D. Intracellular in nature

Categories Medical Mcqs, Oral Histology, Periodontal Ligament

Which of the following is not the principle fibre group of the periodontal ligament___________?

August 1, 2021July 22, 2019 by admin
Which of the following is not the principle fibre group of the periodontal ligament___________?

A. Horizontal
B. Oblique
C. Alveolar crest
D. Transseplat

Categories Medical Mcqs, Oral Histology, Periodontal Ligament

A special feature of the periodontal ligament fibroblasts is______________?

August 1, 2021July 22, 2019 by admin
A special feature of the periodontal ligament fibroblasts is______________?

A. The number or organelles
B. Presence of actin fibres and shape change
C. size of the cells
D. Collagen fibre formation

Categories Medical Mcqs, Oral Histology, Periodontal Ligament

The component of future T.M.J shows development at _____________?

August 1, 2021July 22, 2019 by admin
The component of future T.M.J shows development at _____________?

A. 6 weeks
B. 10 weeks
C. 18 weeks
D. 16 weeks

Categories Medical Mcqs, Oral Histology, Periodontal Ligament

Centre of the disc in TMJ is_____________?

August 1, 2021July 22, 2019 by admin
Centre of the disc in TMJ is_____________?

A. Avascular
B. Devoid of nervous tissue
C. Avascular & deviod of nervous tissue
D. None of the above

Categories Medical Mcqs, Oral Histology, Periodontal Ligament

Narrowing of periodontal ligament in labially placed mandibular canine with age is due to_____________?

August 1, 2021July 22, 2019 by admin
Narrowing of periodontal ligament in labially placed mandibular canine with age is due to_____________?

A. Due to deposition of cementum and bone
B. Down growths of gingival epithelium
C. Gingival cysts formed from cell rests
D. Reversal of function of horizontal and oblique fibres

Categories Medical Mcqs, Oral Histology, Periodontal Ligament

The main function of horizontal fibres of P.D ligament is____________?

August 1, 2021July 22, 2019 by admin
The main function of horizontal fibres of P.D ligament is____________?

A. Prevent extrusion
B. Prevent rotation
C. Maintains the mesiodistal width
D. All of the above

Categories Medical Mcqs, Oral Histology, Periodontal Ligament

The rest of malassez in the periodontal ligament are derived from_____________?

August 1, 2021July 22, 2019 by admin
The rest of malassez in the periodontal ligament are derived from_____________?

A. Dental pulp
B. Lamina propria
C. Odontogenic epithelium
D. Vestibular lamina

Categories Medical Mcqs, Oral Histology, Periodontal Ligament
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