Absence of clearly defined crystal lamina dura is because: A. Pathognomonic of periodontal disease B. Indicative of attachment loss C. Associated with periodontal pocket D. Commonly related to radiograph angulation

Absence of clearly defined crystal lamina dura is because:
A. Pathognomonic of periodontal disease
B. Indicative of attachment loss
C. Associated with periodontal pocket
D. Commonly related to radiograph angulation
by

1 Answer

Answer :

D. Commonly related to radiograph angulation
by

Related questions

Tetracycline hydrochloride conditioning of root surfaces in periodontal surgery is to: A. Sterilise the root surface B. May enhance binding of fibronectin and fibroblast C. Aids in re-mineralising the root surface D. Assist the biding of lamina dura E. Prevents post operative infections

Description : Tetracycline hydrochloride conditioning of root surfaces in periodontal surgery is to: A. Sterilise the root surface B. May enhance binding of fibronectin and fibroblast C. Aids in re-mineralising the root surface D. Assist the biding of lamina dura E. Prevents post operative infections

Last Answer : B. May enhance binding of fibronectin and fibroblast

The lamina dura is seen on periapical radiographs as:CHECK A. Usual radiolucency between tooth root and surrounding bone as a thin white line. B. Cribriform plate of bone making the tooth socket C. Dense crestal bone consistent with a healthy periodontal status D. Pattern of radiopaque lines in supporting alveolar bone

Description : The lamina dura is seen on periapical radiographs as:CHECK A. Usual radiolucency between tooth root and surrounding bone as a thin white line. B. Cribriform plate of bone making the ... bone consistent with a healthy periodontal status D. Pattern of radiopaque lines in supporting alveolar bone

Last Answer : B. Cribriform plate of bone making the tooth socket

The absence of lamina dura in radiographs is a feature of all of these except for:** A. Paget’s disease (hyperphosphatasia) B. Hyperparathyroidism C. Fibrous dysplasia (como querubinismo) D. Osteogenesis imperfecta E. Hyperthyroidism

Description : The absence of lamina dura in radiographs is a feature of all of these except for:** A. Paget’s disease (hyperphosphatasia) B. Hyperparathyroidism C. Fibrous dysplasia (como querubinismo) D. Osteogenesis imperfecta E. Hyperthyroidism

Last Answer : E. Hyperthyroidism

How can a periodontal pocket be recognised:** A. X-Ray B. Periodontal probe / Calibrated probe C. Periodontal marker D. Bitewing radiograph E. Sharp explorer F. Study cast

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Last Answer : B. Periodontal probe / Calibrated probe

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In testing for mobility, which of the following statement is true:** M07 A. Heavy pressure must sometimes be used to test mobility B. Only lateral mobility is significant in diagnosis and treatment of chronic inflammatory periodontal disease C. Hyper mobility indicates that the tooth supporting structures have been weakened D. During the periodontal examination each tooth should be tested individually for hyper mobility E. Reliance on radiograph is essential

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Last Answer : D. During the periodontal examination each tooth should be tested individually for hyper mobility

Lamina dura is actually: A. Cortical bone B. Spongy bone C. Immature bone D. Cribriform plate perforated by nutrition canals

Description : Lamina dura is actually: A. Cortical bone B. Spongy bone C. Immature bone D. Cribriform plate perforated by nutrition canals

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The lamina dura is absent in which condition: A. Von Recklinghausen B. Paget’s C. Periapical granuloma

Description : The lamina dura is absent in which condition: A. Von Recklinghausen B. Paget’s C. Periapical granuloma

Last Answer : B. Paget’s

Odontogenic cysts develop from the following structures except: A. Reduced enamel epithelium of tooth crown B. Dental lamina dura C. Epithelium trapped after sutures D. ertwig’s root sheath

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Last Answer : C. Epithelium trapped after sutures

Which of the following is NOT TRUE in regard to lateral periodontal cyst** A. It is more common in anterior region B. It occurs more in maxilla than mandible C. Probable origin is from dentigerous cyst which develops laterally D. Encountered in the cuspid-premolar region of the mandible, derived from the remnants of the dental lamina

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Two central incisors on a radiograph are showing with what looks like eye drop radiolucency. You decided to start endodontic treatment on these teeth but when you tried to open access to the root canal you find clearly closed orifices with what look like secondary dentine. What is your initial management? A. Leave as it and start a permanent restoration. B. Start systemic antibiotic C. Try to ream and file canals

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Which of the following organisms are pathognomonic of acute necrotic ulcerative gingivitis? A. Spirochaetes and fusobacterium SP B. Spirochaetes and eikenella corrodes C. Polymorphs and lymphocytes D. Actinobacillus actinomycetes comitans oral capnocytophaga E. Porphyromonas gingivalis and prevotella intermedia

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Which of the following is the best index to evaluate gingival health: a. Gingival index by Loe and Silness. b. Periodontal index. c. Periodontal disease index. d. OHI. S.

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In testing for mobility, which of the following statement is true: a.Heavy pressure must sometimes be used to test mobility. b.Only lateral mobility is significant in diagnosis and treatment of chronic inflammatory periodontal disease. c.Hyper mobility indicates that the tooth supporting structure have been weakened. d.During the periodontal examination each tooth should be tested individually for hyper mobility.

Description : In testing for mobility, which of the following statement is true: a.Heavy pressure must sometimes be used to test mobility. b.Only lateral mobility is significant in diagnosis and ... weakened. d.During the periodontal examination each tooth should be tested individually for hyper mobility.

Last Answer : d.During the periodontal examination each tooth should be tested individually for hyper mobility.

Which of the following is NOT characteristic of Down’s syndrome? A. Decreased neutrophil function B. Macroglossia C. Macrodontia D. An increased susceptibility to periodontal disease E. Congenitally missing teeth

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when probing for periodontal disease the tip of the probe will be, A. At the coronal end of junctional epithelium B. At the top of the gingival calculus

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.Which of the following is true: A. Antibiotics are useful in the treatment of periodontitis B. Trauma from occlusion causes thickening of the marginal gingivae C. Periodontitis is the primary cause of teeth lost after the age of 35. D. All periodontal pockets can be identified by x-ray E. Periodontitis is the most common disease in the oral cavity

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Which is the MOST common local factor in the aetiology of periodontal disease: A. Occlusal trauma B. Calculus C. Brushing habits D. Coarse food

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Which of the following is NOT characteristic of Down’s syndrome? A. Decreased neutrophil function B. Macroglossia C. Macrodontia D. An increased susceptibility to periodontal disease E. Congenitally missing teeth

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Last Answer : C. Macrodontia

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When is it acceptable for the patient to hold radiographic film packet in the patient’s mouth: A. Patient is very young and cannot understand direction B. Patient is physically handicapped and unable to hold the film C. Film should never be held by the dentist D. There is a lack of time and radiograph is essential

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Last Answer : C. Film should never be held by the dentist

Increasing which of the following factors will decrease the density of a radiograph: A. Milliampere B. Time C. KvP Kilovoltage D. Object-film distance E. Focal spot-object distance

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Last Answer : E. Focal spot-object distance

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Last Answer : B. Occipitomental radiograph o waters view

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Last Answer : A. Cyst

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Last Answer : E. Touching the tip of the cusp / Pressure on the cusp/

Exposure of the patient to ionising radiation when taking a radiograph is NOT REDUCED by: A. The use of fast film B. The addition of filtration C. Collimation of the beam D. The use of an open and lead lined cone E. Decreasing the kilovoltage KvP

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Last Answer : E. Decreasing the kilovoltage KvP

cyst at the apex of an upper central incisor measuring 1 cm in diameter is visualized in radiograph and confirmed by aspiration biopsy; which method of treatment would you consider?** A. Extraction of the central incisor and retrieving the cyst through the socket B. Exteriorizing the cyst through the buccal bone and mucosa C. Making a mucoperiosteal flap and removing the cyst through an opening made in the alveolar bone, followed by tooth removal. D. Making a mucoperiosteal flap and removing the cyst through an opening made in the alveolar bone, followed by endodontic treatment. E. Routine orthograde endodontic treatment followed by observation.

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Last Answer : D. Making a mucoperiosteal flap and removing the cyst through an opening made in the alveolar bone, followed by endodontic treatment.

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Last Answer : E. All of the above

In periodontitis, the most common finding is, (Main feature of suprabony pocket) A. Horizontal bone resorption B. Vertical bone resorption C. Angular bone loss

Description : In periodontitis, the most common finding is, (Main feature of suprabony pocket) A. Horizontal bone resorption B. Vertical bone resorption C. Angular bone loss

Last Answer : A. Horizontal bone resorption

When repairing a fracture of a lower complete denture, which statement is correct: A. Self curing will distort the denture B. Cold curing will not be strong enough because of small area of attachment C. There is a possibility of occlusal disharmony

Description : When repairing a fracture of a lower complete denture, which statement is correct: A. Self curing will distort the denture B. Cold curing will not be strong enough because of small area of attachment C. There is a possibility of occlusal disharmony

Last Answer : C. There is a possibility of occlusal disharmony

Which of the following is the best evidence that a previous periodontal treatment is successful? A. The patient keeps a 3 month recall appointment B. There is no extrinsic stain C. The patient demonstrates good understanding of brushing and flossing techniques D. There is no bleeding on probing

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Last Answer : D. There is no bleeding on probing

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Last Answer : A. Elimination of plaque and calculus

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Last Answer : B. The periodontal area of the abutment teeth

The MOST likely factor contributing to tooth eruption is:** A. The growing root B. Bone growth C. Vascular pressure D. The developing periodontal ligament

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Which of the following elements is not found in normal periodontal membrane: A. Fibroblast B. Epithelial cells C. Erythrocytes D. Vest cells of malaise E. Inflammatory plasma cells and lymphocytes

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Last Answer : C. Erythrocytes