NDEB boards Exam Questions For
GOOD GRADE (A+ Pass 2025 New
Update)
The placement of a retentive pin in the proximal regions of posterior teeth would most
likely result in periodontal ligament perforation in the - Answers - ✔✔mesial of a
mandibular first molar
Air water spray used as a coolant in high speed - Answers - ✔✔will reduce clogging of
cutting instruments
The proposed mechanism by which a calcium hydroxide preparation initiates secondary
dentin formation in direct pulp cappings is by - Answers - ✔✔stimulating
undifferentiated cells of the tissue to differentiate into odontoblasts
when resecting the apical aspect of a tooth during endodontic apical surgery it is
appropriate to - Answers - ✔✔place an amalgam retrofill
For composite resin preparations cavosurface enamel margins are bevelled because -
Answers - ✔✔a bevelled margin produces a more favorable surface for etching and
after etching the bonding ages reduces microleakage
what instruments can be used for placing gingival bevels on cast gold inlay preparations
- Answers - ✔✔margin trimmers and carbide finishing burs
What is the most probable postoperative complication of intracoronal bleaching for a
tooth that has an inadequate internal seal - Answers - ✔✔external root resorption
fractured incisal angles in the permanent teeth of adolescent patients are best restored
using - Answers - ✔✔acid etch composite resin techniques
What are the purposes of using occlusal splints - Answers - ✔✔to change the pattern
and degree of tactile afferent neural impulses, to immobilize teeth and to prevent teeth
from disturbing occlusal sensory input
histologically a pulp polyp consists of - Answers - ✔✔a mass of collagenous fibres,
proliferating capillaries, fibroblasts
Treatment of primary herpetic gingivostomatitis should include - Answers - ✔✔palliative
treatment and control of secondary infection
, Teeth mobility may be due to - Answers - ✔✔excessive occlusal force, decreases
osseous support and periodontal abscess
lichen planus occurs most frequently on the - Answers - ✔✔buccal mucosa
enlargement of the gingiva described as idiopathic fibromatosis is best described as -
Answers - ✔✔hyperplasia
the primordial cyst probably results from - Answers - ✔✔cystic degeneration of the
stellate reticulum early in the formation of the tooth
histological sections of a lesion removed from the apex of a carious tooth show
immature fibrous tissue and chronic inflammatory cells. Diagnosis - Answers -
✔✔periapical granuloma
Radiographs of Garre's osteomyelitis show - Answers - ✔✔thickening of the cortex
increasing kilovoltage - Answers - ✔✔more penetration
Oral lesions that fail to heal may be associated with - Answers - ✔✔tuberculosis,
syphilis, neoplasia, diabetes
In dental radiology patient protection is most important for - Answers - ✔✔pregnant
women
a salivary calculus is a - Answers - ✔✔sialolith
which can cause a contact stomatitis - Answers - ✔✔dentrifice, lipstick, acrylic,
antibiotics
Acute maxillary sinusitis is associated with - Answers - ✔✔pain in the posterior
maxillary teeth, nasal discharge, tenderness of posterior maxillary teeth to percussion,
increase of pain when bending over
the collimator of an xray tube - Answers - ✔✔restricts the diameter of the x-ray beam
the quantitiy of radiation output in a dental x-ray apparatus is a function of - Answers -
✔✔time and ma
a zinc phosphate cement on a radiograph - Answers - ✔✔can be seen but is less
radiopaque than amalgam
papillary hyperplasia under a denture is usually due to - Answers - ✔✔ill fitting denture
GOOD GRADE (A+ Pass 2025 New
Update)
The placement of a retentive pin in the proximal regions of posterior teeth would most
likely result in periodontal ligament perforation in the - Answers - ✔✔mesial of a
mandibular first molar
Air water spray used as a coolant in high speed - Answers - ✔✔will reduce clogging of
cutting instruments
The proposed mechanism by which a calcium hydroxide preparation initiates secondary
dentin formation in direct pulp cappings is by - Answers - ✔✔stimulating
undifferentiated cells of the tissue to differentiate into odontoblasts
when resecting the apical aspect of a tooth during endodontic apical surgery it is
appropriate to - Answers - ✔✔place an amalgam retrofill
For composite resin preparations cavosurface enamel margins are bevelled because -
Answers - ✔✔a bevelled margin produces a more favorable surface for etching and
after etching the bonding ages reduces microleakage
what instruments can be used for placing gingival bevels on cast gold inlay preparations
- Answers - ✔✔margin trimmers and carbide finishing burs
What is the most probable postoperative complication of intracoronal bleaching for a
tooth that has an inadequate internal seal - Answers - ✔✔external root resorption
fractured incisal angles in the permanent teeth of adolescent patients are best restored
using - Answers - ✔✔acid etch composite resin techniques
What are the purposes of using occlusal splints - Answers - ✔✔to change the pattern
and degree of tactile afferent neural impulses, to immobilize teeth and to prevent teeth
from disturbing occlusal sensory input
histologically a pulp polyp consists of - Answers - ✔✔a mass of collagenous fibres,
proliferating capillaries, fibroblasts
Treatment of primary herpetic gingivostomatitis should include - Answers - ✔✔palliative
treatment and control of secondary infection
, Teeth mobility may be due to - Answers - ✔✔excessive occlusal force, decreases
osseous support and periodontal abscess
lichen planus occurs most frequently on the - Answers - ✔✔buccal mucosa
enlargement of the gingiva described as idiopathic fibromatosis is best described as -
Answers - ✔✔hyperplasia
the primordial cyst probably results from - Answers - ✔✔cystic degeneration of the
stellate reticulum early in the formation of the tooth
histological sections of a lesion removed from the apex of a carious tooth show
immature fibrous tissue and chronic inflammatory cells. Diagnosis - Answers -
✔✔periapical granuloma
Radiographs of Garre's osteomyelitis show - Answers - ✔✔thickening of the cortex
increasing kilovoltage - Answers - ✔✔more penetration
Oral lesions that fail to heal may be associated with - Answers - ✔✔tuberculosis,
syphilis, neoplasia, diabetes
In dental radiology patient protection is most important for - Answers - ✔✔pregnant
women
a salivary calculus is a - Answers - ✔✔sialolith
which can cause a contact stomatitis - Answers - ✔✔dentrifice, lipstick, acrylic,
antibiotics
Acute maxillary sinusitis is associated with - Answers - ✔✔pain in the posterior
maxillary teeth, nasal discharge, tenderness of posterior maxillary teeth to percussion,
increase of pain when bending over
the collimator of an xray tube - Answers - ✔✔restricts the diameter of the x-ray beam
the quantitiy of radiation output in a dental x-ray apparatus is a function of - Answers -
✔✔time and ma
a zinc phosphate cement on a radiograph - Answers - ✔✔can be seen but is less
radiopaque than amalgam
papillary hyperplasia under a denture is usually due to - Answers - ✔✔ill fitting denture
