Which demographic is most likely to suffer from temporomandibular joint disorders?

Young adults aged 20-40 are the demographic most likely to suffer from temporomandibular joint disorders (TMJDs) due to a combination of factors that include the prevalence of bruxism, or grinding of the teeth, which is common in this age group. This period often coincides with significant life stressors, including academic pressures, career beginnings, and other lifestyle changes that can contribute to muscle tension and joint strain.

Additionally, anatomical and physiological factors play a role. Young adults are often more prone to conditions that affect the joints, such as developmental abnormalities or injuries. Their oral habits, including clenching or grinding, can exacerbate these issues.

In contrast, while children under 10 may experience TMJDs, the occurrence is relatively rare and often resolves itself as they grow. Older adults over 70 might experience TMJD due to degenerative joint diseases such as arthritis, but this is generally less frequent compared to the younger demographic. Teenagers might experience some level of TMD due to growth and developmental changes, but the peak incidence aligns more closely with young adults in the 20-40 age range. Hence, the prevalence of TMJ disorders is notably higher in young adults.