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Three-dimensional analysis of forehead wrinkles.
Mitsuru Nemoto1, Eiju Uchinuma, Shohei Yamashina
1Department of Plastic and Reconstructive Surgery, School of Medicine, Kitasato University, 1-15-1 Kitasato, Sagamihara-city, Kanagawa 228-8555, Japan. kprs@kitasato-u.ac.jp
Aesthetic Plastic Surgery
|March 14, 2002
Summary
Understanding forehead anatomy is key for effective forehead lifts. This study reveals how skin, galea aponeurotica, and muscles interact, guiding surgical approaches for optimal results.
Area of Science:
- Anatomy
- Surgical Science
- Medical Imaging
Background:
- Forehead wrinkles impact facial aesthetics and are addressed through forehead lifts.
- Accurate anatomical understanding is crucial for successful surgical outcomes.
Purpose of the Study:
- To elucidate the interrelationships of forehead tissues.
- To provide a basis for improved forehead lift surgical techniques.
Main Methods:
- Utilized computer software for stereoscopic observation of dissected cadaver specimens.
- Prepared three-dimensional (3D) images from serial sagittal sections of forehead tissues.
Main Results:
- Identified fibrous septa connecting forehead skin to the superficial galea aponeurotica.
- Demonstrated that frontalis muscle movement transmits to the skin via the superficial galea aponeurotica.
- Revealed a complex muscle stereostructure where the corrugator supercilii muscle supports other superficial forehead muscles.
Conclusions:
- Forehead lift efficacy may depend on concurrent operation of the corrugator supercilii muscle with other superficial muscles.
- Effective tissue treatments involve specific dissections: superficial galea aponeurotica/frontalis muscle, deep galea aponeurotica/periosteum, and incorporation of forehead muscles.