General Facts:
- characterized as loss of gum tissue at the gum line and exposure of the root of the tooth
- tooth appears longer than normal
- tooth may feel notched at the gum line
- is usually a common problem in adults over the age of 40, but can occur in teenagers
- may result in sensitive teeth
- may be a result of gingivitis and/or periodontitis
Causes:
- Aggressive toothbrushing
- Abnormal tooth position and crowding
- Genetics – hereditary thin, fragile or insufficient gingival tissue
- Gum disease – gingivitis and periodontitis
- Teeth grinding
- Adult orthodontic treatment
- Piercings in the lip or tongue that rub against the gums
- Eating disorders – from self-induced vomiting