Among the following, which one is considered as 'pathologic problem' while planning treatment in orthodontics?
Inadequate attached gingiva around crowded incisors indicates the possibility of tissue dehiscence developing when the teeth are aligned, especially with non-extraction (arch expansion) treatment.
proffit page 173
Tendency of lower jaw and teeth to be behind upper
Deep overbite
Minimal attached gingiva in lower anterior region
Decalcification