What do systematic reviews say?

Supportive periodontal therapy (SPT) including mechanical debridement vs Monitoring only, or alternative interventions that do not include mechanical debridement

The review found no eligible studies for this question.

• Supportive periodontal therapy (SPT) for maintaining the dentition in adults treated for periodontitis 2018 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Amifostine vs no treatment/placebo

• Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes

  End of RT
  Mean per-patient supportive care costs lower with amifostine (USD 4401) than control (USD 5873); P = 0.02 (Buntzel 1998 / Bennett 2001)
  1 study · 28 participants
  GRADE not reported