internal resorption造句

• The fact remains that for many afflicted by internal resorption, the cause is actually unknown as it cannot be tied to a specific injury or traumatic incident.
• This has become so prevalent that the Internal Resorption Research Project has been created to anonymously collect data from these individuals to determine if there are any common threads or trends that may help determine the cause.
• The pulp is pink / red due to its vascularity, but is rarely visible through the overlying enamel and dentin unless the thickness of these layers is reduced by tooth wear ( or rarely internal resorption ).