Gingival hyperplasia can be associated with poor oral hygiene, underlying systemic disease, or as a medication side effect. Oral hygiene may be impaired by developmental disability or poor manual dexterity as a result of stroke, osteoarthritis of the hands, or Alzheimer's disease or other dementia.
Peker I, Alkurt MT, Usalan G. Clinical evaluation of medication on oral and dental Health. Int Dent Journal. 2008; 58: 218-222.
Kumar A, Kumar V, Singh J, et al. Drug Induced Gingival Hyperplasia: An Updated Review. Int J of Pharm & Toxicology Science. 2011; 1: 34-42.