Study: NCT06778473

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: Active Intradermal Acupuncture
Description: Depending on acupoints' location, φ0.20\*1.5mm or φ0.20\*1.2mm AIA will be selected. Insert the Active IA vertically into the acupoint and retain it in the skin.~Active IA will be retained for 72 hours with a day's rest after removal. During the period of needle retention, participants will be required to press the Active IA 4 times a day for approximately 1 minute each time, with as much stimulation as the patient can tolerate, at intervals of approximately 4 hours.

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: Active Intradermal Acupuncture
Description: Depending on acupoints' location, φ0.20\*1.5mm or φ0.20\*1.2mm AIA will be selected. Insert the Active IA vertically into the acupoint and retain it in the skin.~Active IA will be retained for 72 hours with a day's rest after removal. During the period of needle retention, participants will be required to press the Active IA 4 times a day for approximately 1 minute each time, with as much stimulation as the patient can tolerate, at intervals of approximately 4 hours.

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: Sham Intradermal Acupuncture
Description: Sham intradermal acupuncture will be attached to the acupoints and retained for 72 hours with a day's rest after removal. During the period of sham needle retention,pressing times and frequencies are identical to those in the active intradermal acupuncture group.

Intervention type: DEVICE
Group type: SHAM_COMPARATOR
Intervention: Sham Intradermal Acupuncture
Description: Sham intradermal acupuncture will be attached to the acupoints and retained for 72 hours with a day's rest after removal. During the period of sham needle retention,pressing times and frequencies are identical to those in the active intradermal acupuncture group.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Guided self-rehabilitation management program
Description: Self-rehabilitation techniques are taught in individual sessions of about 40 minutes at each outpatient clinic visit, as detailed below: Analysis of the problem, Education, Massage, Facial muscles exercise,Synkinesis or spasticity management, Homework. Participants are requested to perform daily facial muscle exercises as prescribed by the therapist and keep the written diary on a daily basis. The therapists retrieve and evaluate the diaries at each visit.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Guided self-rehabilitation management program
Description: Self-rehabilitation techniques are taught in individual sessions of about 40 minutes at each outpatient clinic visit, as detailed below: Analysis of the problem, Education, Massage, Facial muscles exercise,Synkinesis or spasticity management, Homework. Participants are requested to perform daily facial muscle exercises as prescribed by the therapist and keep the written diary on a daily basis. The therapists retrieve and evaluate the diaries at each visit.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Health Education
Description: Health education knowledge about the disease such as etiology, pathology,clinical symptoms of Bell's palsy, Bell's palsy diagnosis and role of medical tests;medication education;complications and sequelae,etc

Intervention type: OTHER
Group type: SHAM_COMPARATOR
Intervention: Health Education
Description: Health education knowledge about the disease such as etiology, pathology,clinical symptoms of Bell's palsy, Bell's palsy diagnosis and role of medical tests;medication education;complications and sequelae,etc