During puberty, children often experience hormonal changes that make the gums more prone to inflammation, swelling, bleeding while brushing, and bad breath. This is a common condition, but if not treated promptly, periodontal disease in adolescents It can progress severely, affecting oral health and confidence in social interactions.
The article below presents a real clinical case at Herident Dental Clinicwhere the dentist successfully treated periodontitis in a 12-year-old boy and provided effective at-home oral care guidance for adolescents.

Article Content
Patient Information
Patient N.V.G.T, a 12-year-old boy (middle school student), visited the clinic with swollen and red gums, bleeding while brushing, bad breath, and mild discomfort. Being in puberty, he was emotionally sensitive, somewhat fearful of pain, injections, and dental procedures. On the positive side, he is generally healthy, friendly, and more receptive to explanations from the dentist than from his parents. His and his family’s goal was to improve the gingival inflammation, eliminate pain and bleeding, achieve fresh breath and bright teeth, while ensuring a gentle, painless treatment process.
Diagnosis and Treatment Plan
Doctor Bùi Thị Hải – Periodontology Specialist Diagnosis the child has:
- Gingivitis affecting the upper and lower anterior teeth.
- Gingival hyperplasia in the lower jaw region.
The proposed treatment plan includes:
- Scaling and plaque removal.
- Local treatment with specialized medication.
- Parental guidance on how hormonal changes during puberty can contribute to gingival inflammation..
- Guidance on proper oral hygiene and scheduling regular follow-up appointments.
Advantages:Non-surgical, minimally invasive, gentle, and suitable for children with fear of pain.
Post-Treatment Results
After treatment, the child responded well:
- Gums are less swollen and red, pain is relieved, and bleeding stops.
- Breath is fresher, and teeth are whiter and brighter.
- Children become more confident in communication, smile more often, and feel comfortable around friends.

Compare before-and-after images of the teeth following treatment.
How to care for your teenager’s oral health at home
To maintain treatment results and prevent recurrence, parents should guide their children to follow these steps:
- Đánh răng đúng cáchAt least twice a day, use a soft-bristled toothbrush, hold it at a 45° angle toward the gum line, and brush in small circular motions.
- Use toothpaste that contains fluoride.Helps protect tooth enamel and prevent cavities.
- Use dental floss or a water flosser.Cleans between teeth and helps prevent gum inflammation.
- Rinse with an antibacterial mouthwash.Choose an alcohol-free type to help keep breath fresh.
- Clean your tongue daily.Use a tongue scraper or the back of your toothbrush to remove bacteria that cause bad breath.
- Maintain a Balanced DietLimit sweets and carbonated drinks, and add more vegetables and fruits to the diet.
- Have regular dental check-ups every six months.Helps detect gum and dental problems early and treat them promptly.
How long Oral care during puberty Proper oral care not only helps teens maintain healthy teeth but also boosts their confidence in daily communication.
Herident – A trusted dental clinic for children and teenagers in Hanoi
At Herident Dental Clinic, our experienced dentists always prioritize a gentle, pain-free, and friendly approach when treating children. Beyond focusing on effective treatment for periodontal disease, tooth decay, and gingivitis, Herident also works closely with parents to guide and help children build proper oral care habits for long-term dental health.
With a friendly environment, modern equipment, and a dedicated team of dentists, Herident has become a trusted dental clinic in Hanoi, chosen by many parents to care for their children’s smiles.

Herident – A trusted dental clinic for children and teenagers in Hanoi
Periodontal treatment for adolescents with gum inflammation should be addressed early to prevent complications and help children feel more confident when communicating. A clinical case at Herident demonstrated that with a gentle, non-surgical approach, gum inflammation can be significantly improved.
At the same time, maintaining good oral care habits at home and attending regular dental check-ups will help children maintain strong, healthy teeth, a bright smile, and a confident mindset throughout their development.
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