National Dental Examining Board of Canada (NDEB) Practice Exam

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Master your National Dental Examining Board of Canada (NDEB) exams with our comprehensive practice guide. Achieve excellence in your dental certification with expertly crafted questions and detailed explanations.

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In horizontal bone loss, the pathway of inflammation is

Perivascularly, into marrow space of the crestal bone
Directly through the oral epithelium
Through the periodontal ligament
Along the tooth surface

The correct answer is: Perivascularly, into marrow space of the crestal bone

In horizontal bone loss, the pathway of inflammation is typically through the Perivascularly into the marrow space of the crestal bone. This is the most common pathway for inflammation in horizontal bone loss because it gives the inflammatory cells easy access to the alveolar bone. The other options, such as directly through the oral epithelium, through the periodontal ligament or along the tooth surface, are less common pathways and can occur in more severe cases or in combination with the Perivascular pathway. However, these options are not as common as the Perivascular pathway and therefore not the best answer.