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Updated Periodontal Ligament ( Oral Histology ) MCQs – Up To Date Medical MCQs

Updated Periodontal Ligament ( Oral Histology ) MCQs – Up To Date Medical MCQs

This post is comprising of latest ” ( Oral Histology ) MCQs – Latest Competitive Medical MCQs “. Here you’ll get latest Software engineering mcqs for written test, interview with answers. If you want to improve your knowledge regarding Software engineering then read these mcqs of Design of Steel Structures.

Latest Medical MCQs

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Latest Periodontal Ligament ( Oral Histology ) Mcqs

The most occurred mcqs of Periodontal Ligament ( Oral Histology ) in past papers. Past papers of Periodontal Ligament ( Oral Histology ) Mcqs. Past papers of Periodontal Ligament ( Oral Histology ) Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Periodontal Ligament ( Oral Histology ) Mcqs. The Important series of Periodontal Ligament ( Oral Histology ) Mcqs are given below:

Which of the following is correct?

A. The large nerve fibres are myelinated and are concerned with discerment of touch
B. Cementicles are found in periodontal ligament of order individuals
C. Fibronectin helps in attachment of fibroblasts to collagen
D. The small nerve fibres may or may not be myelinated and are concerned with discrement of pain
E. All of the above

In a dried skull, holes on the lingual aspects of the deciduous teeth are called_____________?

A. Herversian canals
B. Canals of Hirchfeld and Zuckerland
C. Volkmann canals
D. Gubernacular canals

The type of bone present in the labial area of anterior teeth is_______________?

A. Cortical
B. Osteophytics
C. Cancellous
D. Exophytic

Width of PDL is_______________?

A. 0.50 mm
B. 0.10 mm
C. 0.25 mm
D. 0.75 mm

The periodontal ligament is approximately_____________?

A. 0.25 mm in thickness
B. 0.75 mm in thickness
C. 0.5 mm in thickness
D. 1 mm in thickness

Development of supporting tissues of the tooth is initiated by____________?

A. Cells of dental follicle
B. Cementoblasts
C. Cells of odontogenic layer
D. Cells of the gingiva

Width of the periodontal ligament is least at______________?

A. Apical third
B. Cervical third
C. Fulcrum of rotation
D. It has uniform width

Cementicles are found in the_____________?

A. Alveolar bone
B. Periodontal ligament
C. Gingiva
D. Cementum

Periodontal ligament is made up of____________?

A. Type I and Type II collagen
B. Type I and Type III collagen
C. Type I collagen
D. Type I and Type IV collagen

Interdependency of osteoblasts and osteoclasts in bone remodeling is called as_____________?

A. Reversal lines
B. Coupling
C. Lacunae
D. Canaliculi

Dentin MCQs

Periodontal fibres joining cemental surface of one tooth, to cemental surface of adjacent tooth are called____________?

A. Cemental fibres
B. Gingivodental
C. Horizontal fibres
D. Transseptal fibres

Sharpey’s fibres are derived from_____________?

A. Epithelial rests of malassez
B. Hertwig’s root sheath
C. Alveolar bone
D. Dental follicle

Periodontal ligament has predominantly_________?

A. Oxytalan fibres
B. Type II collagen fibres
C. Elastic fibres
D. Type I collagen fibres

Which of the following groups of fibres are not attached to alveolar bone ?

A. Transseptal
B. Oblique
C. Horizontal
D. Apical

The most abundant principle fibre group in periodontal ligament is____________?

A. Transeptal
B. Horizontal
C. Apical
D. Oblique

In mammals independent and tough suspension for teeth is provided by____________?

A. Cementum
B. Alveolar sockets
C. Gubernacular cords
D. Periodontal membrane

Group of fibres, which resist the masticatory forces___________?

A. Transeptal
B. Dentogingival
C. Oblique
D. Horizontal

Fibres of periodontal ligament embedded in the bone are_____________?

A. Sharpey’s fibres
B. Elastic fibres
C. Tomes fibres
D. Ray’s fibres

The attached apparatus of tooth is composed of______________?

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

Age changes in periodeontal ligament include which of the following ?

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

Collagen molecule exhibits all of the following features except_____________?

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

Bone, AMJ And Maxillary Sinus MCQs

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

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

A special feature of the periodontal ligament fibroblasts is______________?

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

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

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

Centre of the disc in TMJ is_____________?

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

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

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

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

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

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

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

The most abundant group of fibres in the PDL are_____________?

A. Horizontal
B. Trans-septal
C. Oblique
D. Apical

Enamel MCQs

True about osteoclasts_____________?

A. Contain lysosomes with acid phosphates
B. The plasma membrane of osteoclasts adjacent to bone that is being resorbed is known as striated or ruffled border
C. Monocytes are precursor cells of osteoclasts
D. All of the above are true

Sharpey’s fibres are present in_______________?

A. Bone
B. Periodontal ligament
C. Periosteum
D. All of the above

Intermediate plexus is absent in which of the following principle fibres_____________?

A. Gingival
B. Horizontal
C. Oblique
D. Transseptal

The calcified mass found in the PDL are_____________?

A. Cementicles
B. Cementoclasts
C. Osteoblasts
D. Osteoclasts

Principal fibres of periodontal ligament are attached to_____________?

A. Lamellar bone
B. Bundle bone
C. Alveolar bone proper
D. Cortical bone

Collagen biosynthesis occurs inside the______________?

A. Odontoblasts
B. Chondroblasts
C. Osteoblasts
D. Fibroblasts

Bone adjacent to periodontal ligament that contains a great number of sharpey’s fibres is known as______________?

A. Lamina propria
B. Bundle bone
C. Lamina dura
D. Lamina densa

Intermediate plexus is seen in the____________?

A. Pulp
C. Cementum
D. Dentin

The vascular supply of the periodontal ligament is______________?

A. Greatest in the middle-third of a multirooted tooth
B. Greatest in the middle-third of a single rotted tooth
C. A net like plexus that runs closer to the cementum than to the bone
D. A net like plexus that runs closer to the bone than to the cementum

All of the following cells of periodontal ligament are of mesenchymal origin except______________?

A. Multi totipotent cells
B. Fibroblasts
C. Cementoblasts
D. Cell rests of malassez

Remnants of the Hertwig’s root sheath are found in____________?

A. Alveolar bone
B. Gingiva
C. Periodontal ligament
D. Cementum

Anchoring fibrills are composed of_____________?

A. Type V and VII collagen
B. Type IV collagen
C. Type I and III collagen
D. Type IV and III Collagen

The periodontal ligament_____________?

A. Derives its blood supply primarily from the branches of vessels entering the pulp
B. Comprises primarily of type II collagen
C. Contains epithelial cells
D. Has a slow rate of turn over

Updated Periodontal Ligament ( Oral Histology ) MCQs – Up To Date Medical MCQs