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
Abnormally thick maxillary labial frenum results in 
Select and explain. 
A. Maxillary Midline diastema, B. Imbrication of incisors, C. Labial inclination of incisors, D. Anterior deep bite
A: Maxillary Midline diastema
Answer: A: Maxillary Midline diastema 
Explanation: None