healthy volunteer lower face, botulinum toxin A, masseter, face scan
Conditions
Interventions
Botulinum toxin A (NBT) will be diluted to 25U/0.5ml, all 3 points will be equally given 0.16ml of NBT per point. The first point will be injected at lower posterior area anterior to posterior border
Experimental Procedure/Surgery,Active Comparator Procedure/Surgery
3-point injection technique,1-point injection technique
Sponsors
Mahidol university
Eligibility
Sex/Gender
All
Age
20 Years to 60 Years
Inclusion criteria
Inclusion criteria: 1. Healthy volunteers who seek to reduce lower facial contour 2. Any genders, age of 20 - 60 years old 3. Able to read, write and understand Thai language 4. No history of administration of botulinum toxin type A into masseter muscle within the last 6 months 5. Accepting the obligation not to receive any other facial procedures during the 6-month follow-up, being able to appear and control weight change within 2 kg for all scheduled follow-up visits
Exclusion criteria
Exclusion criteria: 1. Pregnant or lactating woman 2. History of botulinum toxin A, human albumin or cow milk protein allergy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| lower facial volume before, 1 month, 2 months, 3 months and 6 months after injection Rayface 3D facial scanner, Geomagic Control X software | — |
Secondary
| Measure | Time frame |
|---|---|
| lower face and satisfaction score before, 1 month, 2 months, 3 months and 6 months after injection Face-Q questionnaire | — |
Countries
Thailand
Contacts
Public ContactEku Khwanngam
Faculty of dentistry, Mahidol university
Outcome results
None listed