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Canker sores (oral ulcers) cause excruciating pain? A dentist explains the causes and provides 3 quick first aid methods.

生痱滋(Mouth Ulcers)痛到食唔落? 這種常見的口腔黏膜問題,醫學上稱為「復發性阿弗他口炎」(Recurrent Aphthous Stomatitis)。雖然痱滋通常呈現細小的圓形或橢圓形(中心白色、邊緣紅腫),且大部分不具傳染性,但發作時的劇痛往往令人難以進食或說話。一般痱滋會在 7 至 14 天內 自然癒合,若超過 3 星期仍未好轉,則需警惕是否為其他病變。

了解痱滋的成因與口腔位置示意圖

了解痱滋的成因與口腔位置示意圖

為什麼會生痱滋?拆解 3 大內外成因

在牙科臨床診斷中,患者常問:「為什麼這陣子經常生痱滋?」這往往不是單一原因,而是以下因素共同作用的結果:

1. 物理性創傷 (Physical Trauma)

這是最直接的成因。

  • 日常損傷: 刷牙太用力刺傷牙齦、咀嚼時咬傷舌頭或臉頰。

  • 箍牙不適: 牙齒矯正器的金屬部件摩擦口腔黏膜。

  • 食物刺激: 進食過於粗糙(如薯片)、堅硬或過熱的食物刮傷黏膜。

2. 營養攝取不均衡

口腔黏膜的健康反映了身體的營養狀況。研究顯示,缺乏以下營養素會減慢黏膜修復,令痱滋更容易復發:

  • 維他命 B12

  • 鐵質 (Iron)

  • 葉酸 (Folic Acid)

  • 鋅 (Zinc)

3. 免疫系統與壓力

現代生活節奏急促,精神壓力大或睡眠不足會導致免疫力下降,破壞口腔微生態平衡。此外,女性在生理期前的荷爾蒙波動,也是常見的誘發因素。

牙科醫生講解口腔衛生與痱滋預防

良好的口腔衛生習慣有助減少口腔細菌滋生

痱滋痛怎麼辦?牙醫教您正確急救與護理

雖然痱滋會自然痊癒,但透過正確護理可以大幅減輕痛楚:

  1. 保持口腔清潔(不要怕痛不刷牙): 許多人因怕痛而不敢刷牙,這會導致細菌滋生令發炎惡化。建議改用軟毛牙刷輕柔清潔,並使用溫鹽水漱口,利用鹽水的輕微殺菌消炎作用來保護傷口。

  2. 飲食調整: 暫時避免辛辣、酸性強(如檸檬、番茄)、過鹹或過熱的食物。選擇質地軟爛的食物(如粥、蒸蛋),並多喝水保持口腔濕潤,利用唾液天然殺菌。

  3. 藥物輔助: 市面上的痱滋膏、貼片通常含有局部麻醉劑(如 Benzocaine)或類固醇,能在傷口形成保護膜,隔絕刺激並止痛。

幾時要睇牙醫?小心口腔癌警號

雖然大多數痱滋是良性的,但如果出現以下情況,請務必尋求專業牙科協助:

  • 長期不癒: 潰瘍持續超過 2 至 3 星期 仍未癒合。

  • 範圍擴大: 潰瘍數量增多或變大,伴隨發燒或淋巴結腫大。

  • 無痛潰瘍: 不痛但長期不好的潰瘍,可能是口腔癌的早期徵兆。

  • 牙齒問題引致: 如果是因為崩裂的尖銳牙齒或不合適的假牙長期摩擦導致,必須由牙醫進行修復,才能根治問題。

總括而言,保持口腔衛生、均衡飲食及適當減壓,是預防痱滋的基石。

 

I used to see every tooth is D dentist said, pain I told me not to move or check teeth for tooth decay are but look twice, in the family to do braces, Dr. Chan helped me do add attachments afraid of pain my teeth, constantly comforted me hard, will give time for my mouth to rest

Dr. Chen Sixin

Clinic at: Home Dental

View clinic information: https://homedentalhk.com/

Connie Wong

Dr. Hsieh Chih-min, a specialist in restorative dentistry: A professional and meticulous dental filling experience.

Thanks to fate for letting me get to know Dr. Chan, I have a dentist on Sundays and he takes gentle care of him. Having done different projects, several other doctors are also very professional and gentle, especially Dr. Edward Tse who helped fill the teeth.

As a specialist in restorative dentistry, Dr. Xie worked hard to make one of my teeth look good, and I felt very happy myself when I fixed the tooth and fixed the shape. Dr. Lee of root canal is also very professional 👍🏻 introduced several relatives and friends to see, it feels good, really have to love their teeth!


🔗Learn more about Dr. Hsieh Chih-min (Prosthodontic Specialist) ⭐️

M. Lo

Dr. Wong is meticulous in his diagnosis, friendly, and professional; he explains the causes of symptoms and treatment methods in detail, and answers all questions. The clinic is always busy, but the appointment times are very well scheduled, with no waiting; I'm almost always on time for my appointments. Most importantly, the doctor's technique is excellent; he administers anesthesia painlessly and performs laser treatments with perfect precision, which makes me feel very reassured.

Iris

Although it was a public holiday, Dr. Wong did not refuse to examine me due to my emergency condition. He was friendly, examined me carefully, and explained the symptoms and treatment methods in detail. In addition, his hand gestures were excellent, and the anesthesia injection was painless. I completed the treatment without even realizing it.

Another thing worth praising is that the girl is really wonderful—gentle, thoughtful, and friendly!

Maggie

A doctor with medical ethics, meticulous, and providing detailed explanations.

Ms. Zhang

Throughout the initial stages of treatment, the Home Dental Team and other dentists strive to minimize damage to existing teeth. They provide professional advice and avoid simply recommending specific treatment methods, allowing clients time to carefully consider and choose the option they prefer.

The team also places great emphasis on follow-up after treatment, proactively calling to check on the client's progress. This is a dental clinic highly recommended!

🔗Learn more about Jiaren Dental Team

Sui Yuen Hsu

Two years ago, I had my first tooth extracted in my life. I felt very worried and nervous about whether the doctor would extract a tooth with a big project. After listening to the doctor's explanation and opinion, I chose dental implants, each treatment, every step, the doctor will explain, plus the nurse's assistance, so that I feel completely different from the initial thought, then the diagnosis nurse also followed up well, I am very satisfied.

San Cheung

Dr. Li Xiaofang, a gentle and patient pediatric dentist: Making dentists less frightening for children.

Every time I saw a tooth, the dentist told me not to move when it hurt. But Dr. Lai and the nurse were very patient, the whole time the children were not scared or cried! The doctors are very attentive to teaching us how to make our children's teeth healthier, and I have never had a dentist who would be so attentive to us.

As a pediatric dentist, Dr. Li possesses extensive professional qualifications from the universities of Singapore and Hong Kong. He is highly experienced in handling children's dental problems and is sincerely recommended to all parents!

🔗Learn more about pediatric dental specialties

Ka Yan Chong

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