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
Light transmitting wedges transmit: 
Select and explain. 
A. 70-80% of incident light, B. 80-85% of incident light, C. 85-90% of incident light, D. 90-95% of incident light
D: 90-95% of incident light
Answer: D: 90-95% of incident light 
Explanation: Light transmitting wedges

As the name indicates, these types of wedges transmit 90 to 95 percent of incident light.
They are a type of plastic wedges.
Transparent in nature.
Designed for use in the cervical area of class II composite resin restoration.

Nisha Garg, Amit Garg. Textbook of Operative Dentistry.  Edition 3. Page:209