This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Hyalinisation of the periodontal Ligament, due to excessive orthodontic forces results in 
Select and explain. 
A. Frontal resorption, B. Undermining resorption, C. Cementum remaining intact, D. Dentine remaining intact
B: Undermining resorption
Answer: B: Undermining resorption 
Explanation: None