Name of Dental Clinic: Dhulikhel Dental Care
Address: Dhulikhel bus station, next to Century commercial bank
Year of Establishment: 2019
Name of the chief Dental Surgeon: Amir Hamal
CONTACT NUMBER: 9851172359
Family dental home pvt. Ltd., Lagankhel, Lalitpur
Name of Dental Clinic: Family dental home pvt. Ltd.
Address: Lagankhel buspark, lalitpur (near everest bank)
Year of Establishment: 2075/76
Name of the chief Dental Surgeon: DR. BIJAY TAJA
CONTACT NUMBER: 9849688648
Attachment loss and probing depth
# A patient has a 5 mm probing depth on the distal of their maxillary second premolar, 2 mm of recession was also charted in that area. What is the attachment loss in that area?
A. 7 mm
B. 10 mm
C. 5 mm
D. 3 mm
The correct answer is A. 7 mm.
Periodontal health is assessed by determining how much attachment a tooth has lost. A healthy periodontium demonstrates a sulcular depth of 1-3 mm.
Recession is the distance from the CEJ to the marginal gingiva.
Probing depth is the distance betweeen the marginal gingiva and the floor of sulcus.
Loss of attachment is measured as the distance of CEJ from the sulcular depth.
So, Loss of Attachment (LOA) = Recession+Probing depth
A mature dental plaque is formed after:
# How many hours after mechanical debridement with a toothbrush is a mature dental plaque found?
A. 24-48 hours
B. 3-5 hours
C. 6-10 hours
D. 12-24 hours
E. 1-2 hours
The correct answer is A. 24-48 hours.
Mature dental plaque is usually formed on the teeth within 24-48 hours after plaque removal.
The bacterial biofilm first attach to the tooth via a pellicle, consisting of glycoproteins.
The first bacteria to attach to the pellicle glycoproteins are gram positive aerobic cocci such as Streptococcus sanguinis.
After 24 hours, anaerobic gram negative cocci, rods, and filaments begin to colonize the plaque.
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