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ملفات تعريف الارتباط المستخدمة
什麼是牙根縱裂?牙根縱裂是指發生在牙根的縱裂,未波及牙冠者。
患者多為中老年人,由於肉眼不能發現,診斷比較困難。活髓牙發生牙根縱裂早期表現為冷熱刺激痛、咀嚼痛,晚期出現自發痛、咀嚼痛,並有牙齦反復腫脹,有叩痛和鬆動。無髓牙發生牙根縱裂無牙髓症狀,早期也無牙周袋或牙槽骨的破壞,隨著病程延長,感染通過根裂損傷牙周組織。