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Utilization of facial fat grafting augmented reality guidance system in facial soft tissue defect reconstruction
Background
Successfully restoring facial contours continues to pose a significant challenge for surgeons. This study aims to utilize head-mounted display-based augmented reality (AR) navigation technology for facial soft tissue defect reconstruction and to evaluate its accuracy and effectiveness, exploring its feasibility in craniofacial surgery.
Methods
Hololens 2 was utilized to construct the AR guidance system for facial fat grafting. Twenty artificial cases with facial soft tissue defects were randomly assigned to Group A and Group B, undergoing filling surgeries with the AR guidance system and conventional methods, respectively. All postoperative three-dimensional models were superimposed onto virtual plans to evaluate the accuracy of the system versus conventional filling methods. Additionally, procedure completion time was recorded to assess system efficiency relative to conventional methods.
Results
The error in facial soft tissue defect reconstruction assisted by the system in Group A was 2.09 ± 0.56 mm, significantly lower than the 3.23 ± 1.15 mm observed with conventional methods in Group B (
p
< 0.05). Additionally, the time required for facial defect filling reconstruction using the system in Group A was 25.45 ± 2.58 min, markedly shorter than the 37.05 ± 3.34 min needed with conventional methods in Group B (
p
< 0.05).
Conclusion
The visual navigation offered by the fat grafting AR guidance system presents obvious advantages in facial soft tissue defect reconstruction, facilitating enhanced precision and efficiency in these filling procedures.
Journal Article
Facial Aesthetics in Young Adults after Cleft Lip and Palate Treatment over Five Decades
Cleft Lip and Palate (CLP) - a common facial malformation in newborns – is typically corrected by surgical intervention to allow for normal speech development, psychosocial adjustment, and facial attractiveness. The long term treatment outcome can be evaluated after a number of years, possibly in adulthood. We investigated the aesthetics of the nasolabial region by subjective ratings. To compare various surgical approaches we recruited 12 raters to evaluate 429 patients. Expert and lay raters judged photographs from patients, who have completed treatment with one of three different surgical strategies performed in our institution over 50 years. Facial photographs were cropped, presented to the raters in a randomized sequence, and judged by the raters on a 5 point Likert scale. The subjective ratings between the raters revealed a fair to substantial inter-rater reliability. The average ratings of the surgical outcome improved continuously over the investigated 5 decades. Despite possible differences between raters and rater groups this overall result was consistently seen in the gender groups (male/female), or expertise related groups (expert/lay). Our analysis revealed that patients with bilateral CLP scored worse than patients with unilateral CLP when treated in the fifties; more recently treated patients of both groups scored similarly.
Journal Article
Atlas of Operative Craniofacial Surgery
This clinical book + videos embraces the spectrum of craniofacial surgery
Written by the world's foremost experts, Atlas of Operative Craniofacial Surgery with its accompanying videos is a unique resource that offers the reader a succinct yet comprehensive guide to performing craniofacial operations. In each chapter, renowned specialists share their strategies for selecting patients, executing effective preoperative planning, comprehending detailed operative techniques, instituting postoperative care best practices, dealing with possible complications, and much more.
Key Features
* The wide array of covered topics includes the cranial vault, reconstruction of the facial bones, orbital fracture repair, rhinoplasty, maxillary and mandibular operations, ear reconstruction, and cleft lip and palate repair
* Over 1400 intraoperative photos and 300 drawings guide the reader through each operative procedure in a step-by-step fashion
* Emphasis on how the procedures are performed, rather than on theory
* Includes case studies that show the results of the discussed techniques
* Accompanied by 20 surgical technique videos
Presented in cooperation with the American Society of Maxillofacial Surgeons (ASMS) and the American Society of Craniofacial Surgery (ASCFS), this beautiful atlas is essential for all those involved with craniofacial surgery, including craniofacial surgeons, craniofacial surgery fellows, maxillofacial residents, and others.
This book includes complimentary access to a digital copy on https://medone.thieme.com.
eBook
Neurotoxins and fillers in facial esthetic surgery
This book offers a detailed, practical guide to incorporating minimally invasive cosmetic surgery into dental practice. Chapters thoroughly examine all aspects of using these materials in practice, and present step-by-step techniques for injecting and placing neurotoxins and fillers, with specific recommendations for product selection and in-depth information on case management. Anatomical drawings and clinical photographs depict the procedures and concepts described.
From patient evaluation, treatment planning, and product selection to techniques, managing complications, and marketing the service, Neurotoxins and Fillers in Facial Esthetic Surgery provides a complete resource for using these techniques in practice. Coverage encompasses facial anatomy, neurotoxins, cosmetic fillers, hyaluronic acid dermal fillers, Radiesse™ calcium hydroxylapatite injectable filler, pearls and pitfalls, and how to build your practice.
* Offers a complete but easy-to-use-reference on all aspects of how to set up a minimally invasive cosmetic facial surgery service within an oral and maxillofacial surgery practice
* Surveys the range of products available in detail from an objective viewpoint
* Presents how-to techniques for injecting and placing neurotoxins and fillers
Neurotoxins and Fillers in Facial Esthetic Surgery is an essential reference for any oral and maxillofacial surgeon or general dentist wishing to add minimally invasive cosmetic surgery to their repertoire.
eBook
Essentials of oral and maxillofacial surgery
Expert teaching in the fundamentals of oral and maxillofacial surgery
Essentials of Oral and Maxillofacial Surgery is the key textbook for all undergraduate dentistry students and trainees starting out in oral and maxillofacial surgery, oral surgery and surgical dentistry. Condensed and revised from the major reference work Oral and Maxillofacial Surgery, all revisions have been made by the editors in order to bring the text up-to-date and accessible for a student audience.
The book's coverage extends from basic principles such as patient evaluation, radiographic imaging, and surgical instruments, to specific conditions and procedures, from tooth extraction and endodontic surgery to trauma, implants, dentofacial deformities and orofacial pain. It also offers:
* A companion website with downloadable figures and MCQs to test your knowledge
* Over 600 colour photographs, radiographs and explanatory line drawings to illuminate the text
* Contributions from an international group of authors, distilled by an expert editor team
eBook