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Intraglandular botulinum neurotoxin (BoNT) injection vs No BoNT (placebo or pre-treatment baseline)

Salivary pH · Patients with drooling (sialorrhea) due to neurological disease

BoNT injections were not associated with significant changes in oral/salivary pH across three studies (ungraded; no effect estimate reported).

1 finding from 1 review
  • Oral health effects of botulinum toxin treatment for drooling: a systematic review. 2020 All outcomes
    Before vs after BoNT injection · Neurological-disease populations with drooling (e.g., cerebral palsy, Parkinson disease, adults with sialorrhea); specialist clinical care
    Wu et al. did not observe significant differences in participants' oral pH before and after BoNT-A injections between the active and control groups. There were also no statistically significant differences regarding…
    3 studies
    GRADE not reported