What dental condition is indicated by blue sclera in patients?

Blue sclera is a notable clinical sign often associated with certain connective tissue disorders, particularly osteogenesis imperfecta, which is also known as brittle bone disease. In this context, dentinogenesis imperfecta is closely linked with osteogenesis imperfecta, as both conditions involve defects in the production and quality of collagen. Dentinogenesis imperfecta is characterized by discolored teeth (often blue or gray) and enamel that fractures easily, contributing to the appearance of blue sclera due to the underlying connective tissue abnormalities.

This connection helps to illustrate why dentinogenesis imperfecta is the correct answer in this scenario, as the altered dentin structure not only affects the teeth but can also reflect broader systemic issues consistent with the appearance of blue sclera. The other options listed align more with different dental conditions that do not present with blue sclera or the systemic implications related to connective tissue disorders.