About this trial
Burning Mouth Syndrome (BMS) causes chronic oral pain and significantly affects quality of life. Effective treatments are limited and often provide only temporary relief.
This prospective N-of-1 study evaluates the effect of an intraoral Essix appliance on pain intensity and salivary secretion in patients with BMS.
Saliva samples are collected and analysed for volume and composition.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
patients with oral mucosal pain from participants in the previous BMS validation study.
greater than 30% pain relief during prior use of an Essix appliance.
chronic intraoral pain lasting more than 3 months.
age between 18 and 80 years.
Disqualifiers
fibromyalgia
ongoing dental treatment
Trial design
Crossover
Treatments tested in this trial
Essix splint
DeviceThe treatment effect of an intraorally applied Essix splint compared with periods without splint use. Each participant will use the Essix appliance and have a no-appliance period in randomized order
Treatment groups
Trial outcomes
Primary outcomes
Subjective change in pain perception
Subjective perception of the change of pain in percent when wearing the splint and not wearing the splint
Saliva volume
Saliva volume (rest saliva and stimulated saliva) in milliliters; 10 minutes collection for the rest saliva and 5 minutes collection for the stimulated saliva.
Concentration of glycoproteins in rest saliva
Glycoproteins from the rest saliva measured in mg/mL
Concentration of proteins in stimulated saliva
Saliva proteins e.g., inflammation-, stress-, or metabolism-related biomarkers from the stimulated saliva, measured in ng/mL.
Secondary outcomes
Global impression of change
Subjective change of the condition using Patient Global Impression of Change Scale which scores the global perception of change: the scale is composed of expressions for change, starting with "Very much improved" and ending with "Very much worsened". The first one indicate a positive change and the later indicates a negativ change.
Subjective perception of mouth dryness
Subjective description of the perceived mouth dryness using a numeric scale 0-10 where 0 indicates very dry and 10 indicates no dryness.
Sponsors and contacts
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