noun
dental disease
Medical term covering diseases of the teeth and oral cavity.
歯牙疾患の予防には定期的な検診が重要です。
Regular checkups are important for the prevention of dental disease.
歯科疾患 is a broader term for dental and oral diseases, while 歯牙疾患 specifically refers to diseases of the teeth.
Compound of 歯牙 (teeth) and 疾患 (disease), a straightforward medical term.