INBDE (Integrated National Board Dental Examination) Practice Exam

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What specific pattern of bone resorption is observed in the anterior edentulous maxilla when opposing only mandibular anterior teeth?

Ridge resorption
Combination syndrome
Vertical bone loss
Horizontal bone loss

The correct answer is: Combination syndrome

When opposing only mandibular anterior teeth in the anterior edentulous maxilla, the specific pattern of bone resorption that is observed is known as the "Combination Syndrome." This syndrome is characterized by a combination of both horizontal and vertical bone loss in the edentulous maxilla. Ridge resorption refers to the overall loss of alveolar ridge height and width that occurs after tooth extraction due to lack of stimulation from teeth. Vertical bone loss typically occurs when teeth are lost and not replaced, leading to resorption of the surrounding bone in a vertical direction. Horizontal bone loss refers to the loss of bone width along the alveolar ridge. In the context of the given scenario, the "Combination Syndrome" accurately describes the pattern of bone resorption that occurs when opposing only mandibular anterior teeth in the anterior edentulous maxilla.