Kerala PSC Dental Hygienist Paper 2016

Kerala Public Service Commission Dental Hygienist Paper 2016

The most common malignant neoplasm of the oral mucosa
(a) Squamous cell carcinoma
(b) Basal cell carcinoma
(c) Keratoacanthomam
(d) Papilloma
Ans – (a)

The premalignant lesion usually associated with dysplastic changes histologically
(a) Leukoplakia
(b) Erythroplakia
(c) Leukoedema
(d) None of the above
Ans-(a)

Pathologic loss of both enamel and dentin caused by biomechanical loading forces
(a) Attrition
(b) Abrasion
(c) Abfraction
(d) Caries
Ans- (C)

Dentin deposited around pulp chamber throughout life of the tooth due to ageing
(a) Secondary dentin
(b) Tertiary dentin
(c) Primary dentin
(d) None of the above
Ans-(a)

Localized masses of calcified tissue in the pulp that resemble normal dentin
(a) True denticle
(b) Diffuse calcification
(c) False denticle
(d) Cementicle
Ans-(a)

Pink tooth of mummery is caused by
(a) Attrition
(b) Mercury poisoning
(c) Caries
(d) Internal resorption
Ans-(d)

Cementicles are small foci of calcified tissue which lie in the
(a) Pulp
(b) Dentin
(c) Enamel
(d) Periodontal ligament
Ans- (d)

Pain is more apt to be a feature of
(a) Acute caries
(b) Chronic caries
(c) Arrested caries
(d) None of these
Ans- (a)

Trench mouth disease is
(a) Necrotizing ulcerative gingivitis
(b) Desquamative gingivitis
(c) Pregnancy gingivitis
(d) Periodontitis
Ans-(a)

Most common microbial disease affecting calcified tissues of the teeth
(a) Gingivitis
(b) Resorption
(c) Caries
(d) Attrition
Ans-(c)