A 43-year-old patient has long failed to consume a sufficient amount of vitamin C, which has led to disturbances in the formation of collagen fibers. Which structure of the tooth-supporting apparatus will be affected first?
- A Periodontium (periodontal ligament)
- B Gingival epithelium
- C Gingival pockets
- D Dentin
- E Sulcular epithelium
Правильна відповідь: A. Periodontium (periodontal ligament)
Пояснення
Пояснення буде додано найближчим часом.