1. Negative impact of systemic disease on oral health
2. Analysis of dental developmental stage using deep learning
3. Change of oral mucosa including labial frenum and gingiva according to growth
4. Oral health services for children by Seoul Government
5. Oral heath status of Special needs patients and oral health policy for them
6. Analysis of dental developmental anomaly
Key Words: systemic disease; oral health; dental developmental stage; dental developmental anomlay; oral mucosa, Special health care need patients, oral health policy

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