Annals of Maxillofacial Surgery最新文献

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Three Fixation Techniques of Immediate Surgical Obturators Following Maxillectomy - A Comparative Study. 上颌切除术后即刻手术闭孔的三种固定技术的比较研究。
Annals of Maxillofacial Surgery Pub Date : 2025-01-01 Epub Date: 2025-05-26 DOI: 10.4103/ams.ams_156_24
R Mahesh Kumar, S Varsha, Shrusti Chougule, D Divya, Yash Vipulkumar Vyas, Chinta Chetana Hota
{"title":"Three Fixation Techniques of Immediate Surgical Obturators Following Maxillectomy - A Comparative Study.","authors":"R Mahesh Kumar, S Varsha, Shrusti Chougule, D Divya, Yash Vipulkumar Vyas, Chinta Chetana Hota","doi":"10.4103/ams.ams_156_24","DOIUrl":"10.4103/ams.ams_156_24","url":null,"abstract":"<p><strong>Introduction: </strong>Conventional surgical obturators are widely used despite advancements in microvascular surgery for maxillary pathologies requiring resection due to poor surgical outcome/prognosis or financial constraints. This study was conducted to compare and evaluate three different techniques of fixation of immediate surgical obturators in maxillectomy cases.</p><p><strong>Materials and methods: </strong>The study comprises 56 maxillectomy cases performed over 33 months from January 2021 to August 2023 in Tumkur with a minimal follow-up of 3 months. The different techniques of fixation of immediate surgical obturators are compared and evaluated for duration of fabrication, intraoperative fixation, stability, post-operative function, tissue healing and biocompatibility.</p><p><strong>Results: </strong>Peak incidence was noted in the fourth and fifth decades of life. Both genders were almost equally involved in the study. The need for maxillectomy included - infective cystic pathology, odontogenic infections, mucormycosis, sinus pathologies and T1 maxillary carcinoma. The mean duration of hospitalisation was 5.3 days. The screw-based technique was superior in most of the criteria compared, followed by clasp-based technique and the material-based technique, respectively.</p><p><strong>Discussion: </strong>Based on the results of the study, the screw-based fixation technique offers an edge over the other two fixation techniques in terms of being trouble free for the surgeon, easy to fabricate, biocompatible and better patient quality of life. It can also be used in edentulous patients with extensive surgeries or extraoral support.</p>","PeriodicalId":7972,"journal":{"name":"Annals of Maxillofacial Surgery","volume":"15 1","pages":"25-29"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12321184/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144788041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ethnic Deviation of Northeastern Andhra Population from Standard Cephalometrics for Orthognathic Surgery - A Comparative Study. 安得拉邦东北部人口在正颌手术中与标准头测仪的种族偏差——一项比较研究。
Annals of Maxillofacial Surgery Pub Date : 2025-01-01 Epub Date: 2025-03-18 DOI: 10.4103/ams.ams_157_24
Sreesai Mummareddy, Phani Kumar Kuchimanchi, Nagamalleswara Rao Inturi, Arani Nandakumar, Jyothirmai Nagisetty, Leelambika Vuyyuru
{"title":"Ethnic Deviation of Northeastern Andhra Population from Standard Cephalometrics for Orthognathic Surgery - A Comparative Study.","authors":"Sreesai Mummareddy, Phani Kumar Kuchimanchi, Nagamalleswara Rao Inturi, Arani Nandakumar, Jyothirmai Nagisetty, Leelambika Vuyyuru","doi":"10.4103/ams.ams_157_24","DOIUrl":"10.4103/ams.ams_157_24","url":null,"abstract":"<p><strong>Introduction: </strong>The assessment of dentofacial aesthetics depends on a proportionately aligned dentition in a well-balanced skeletal base and the soft-tissue envelope, which can be determined using cephalometric analysis. The craniofacial features amongst various ethnic groups vary as compared to other populations. Hence, this study was carried out to meet the requirement for developing customised cephalometric norms for the Northeastern Andhra Pradesh, Dravidian race population. The aim of this study was to verify the ethnic deviation of cephalometrics from standard cephalometrics for orthognathic surgery (COGS) Burstone's analysis in the Northeastern Andhra Population.</p><p><strong>Materials and methods: </strong>The subjects were drawn from the population of Visakhapatnam, Vizianagaram and Srikakulam. The data comprised 110 participants (55 males and 55 females) with Class I dental and skeletal profiles who reported to our college's Department of Oral and Maxillofacial Surgery. The four clinicians used COGS Burstone analysis to trace the cephalograms and agreement was reached manually. The sample's average age and standard deviation were 22.5 ± 2.5.</p><p><strong>Results: </strong>Statistically significant differences were found with the parameters of the cranial base, vertical skeletal and dental and maxillomandibular measurements in the Northeastern Andhra population with reference to Caucasians.</p><p><strong>Discussion: </strong>This study analysed the cephalometric mean values of the population of Northeastern Andhra Pradesh and concluded that it was lower than those of Caucasians in most parameters. The data gathered aid in the development of individualised norms for various ethnic populations, as well as the implementation of a systematic treatment plan.</p>","PeriodicalId":7972,"journal":{"name":"Annals of Maxillofacial Surgery","volume":"15 1","pages":"9-13"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12321175/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144788124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Procalcitonin Level Compared to Total White Blood Cell Count and C-reactive Protein in Maxillofacial Space Infections - A Prospective Study. 颌面部间隙感染患者降钙素原水平与白细胞总数和c反应蛋白的相关性研究。
Annals of Maxillofacial Surgery Pub Date : 2025-01-01 Epub Date: 2025-03-18 DOI: 10.4103/ams.ams_172_24
Arun Velur, Lin Jacob Varghese, Vikas Elias Kuruvila, Shuhaib Rahman, Nidhi Jenson Ukken, Biju James
{"title":"Procalcitonin Level Compared to Total White Blood Cell Count and C-reactive Protein in Maxillofacial Space Infections - A Prospective Study.","authors":"Arun Velur, Lin Jacob Varghese, Vikas Elias Kuruvila, Shuhaib Rahman, Nidhi Jenson Ukken, Biju James","doi":"10.4103/ams.ams_172_24","DOIUrl":"10.4103/ams.ams_172_24","url":null,"abstract":"<p><strong>Introduction: </strong>Orofacial space infections are potentially fatal and often need emergency medical and surgical care. Prompt diagnosis of these infections can sometimes be difficult because of diffuse swelling and trismus. Early treatment response is a key to the management and recovery. Conventional markers of infection, such as C-reactive protein (CRP) and white blood cell (WBC) counts fail to properly evaluate the progress. Procalcitonin (PCT) has high sensitivity and specificity for identifying bacterial infections and helps in treatment monitoring.</p><p><strong>Materials and methods: </strong>After ethical committee approval, 20 cases of maxillofacial space infections who came to the Department of Oral and Maxillofacial Surgery with involvement of more than two spaces were included in the study. Demographic data and vital signs were recorded. Total WBC, CRP levels and PCT levels were measured at admission, 48 h and 96 h. The values were subjected to statistical analysis.</p><p><strong>Results: </strong>The decrease in PCT values was found to be statistically significant (<i>P</i> < 0.05) when compared to the total WBC count and CRP values between admission/48 h period as well as 48/96-h periods, thus showing the positive response of patients to antibiotic therapy which was seen as clinical improvement.</p><p><strong>Discussion: </strong>PCT succeeds as being a promising biomarker to determine the treatment response in maxillofacial space infections and guiding antibiotic regimen accordingly.</p>","PeriodicalId":7972,"journal":{"name":"Annals of Maxillofacial Surgery","volume":"15 1","pages":"36-39"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12321168/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144788037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Alpha-tocopherol Levels in Predicting the Biological Behaviour of Ameloblastoma - A Comparative Study. α -生育酚水平预测成釉细胞瘤生物学行为的比较研究。
Annals of Maxillofacial Surgery Pub Date : 2025-01-01 Epub Date: 2025-04-29 DOI: 10.4103/ams.ams_164_24
Nausathkhan Ubayathulla, M R Muthusekar, Pratibha Ramani, Suvarna Kizhakkoottu, Karthikeyan Ramalingam, S Dharini
{"title":"Alpha-tocopherol Levels in Predicting the Biological Behaviour of Ameloblastoma - A Comparative Study.","authors":"Nausathkhan Ubayathulla, M R Muthusekar, Pratibha Ramani, Suvarna Kizhakkoottu, Karthikeyan Ramalingam, S Dharini","doi":"10.4103/ams.ams_164_24","DOIUrl":"10.4103/ams.ams_164_24","url":null,"abstract":"<p><strong>Introduction: </strong>A clear understanding of the biological nature, the importance of diagnosis and the identification of adjunct treatment options of ameloblastoma are gaining importance in their surgical planning and treatment. The anti-tumourigenic properties of alpha-tocopherol (Vitamin E) are significant and less studied among odontogenic tumours. Hence, the present study aimed to calculate and compare the mean Vitamin E levels in ameloblastoma patients and healthy controls.</p><p><strong>Materials and methods: </strong>This observational case-control study included 24 participants (12 cases and 12 controls) and was conducted following institutional ethical approval. After obtaining the informed consent, blood samples were collected from the study participants. Serum Vitamin E levels were assessed using high-performance liquid chromatography and expressed in mg/mL.</p><p><strong>Results: </strong>After the independent <i>t</i>-test, the mean serum Vitamin E of the case group was found to be lower (mean ± standard deviation [SD] = 5.28 ± 0.62 mg/L) when compared to healthy controls (mean ± SD = 12.08 ± 1.92 mg/L) (<i>P</i> ≤ 0.0001). The mean Vitamin E level of plexiform variant (5.2 mg/L) was less when compared to the follicular variant (6.02 mg/L) (<i>P</i> = 0.34) and plexiform ameloblastoma was more common among younger age groups (<i>P</i> = 0.01).</p><p><strong>Discussion: </strong>The reduced concentration of Vitamin E among ameloblastoma cases can have a potential role in the pathogenesis and aggressiveness of odontogenic tumours. Among ameloblastoma, plexiform variant showed low mean serum Vitamin E. The therapeutic action of Vitamin E should be studied in detail for better adjunctive treatment options in ameloblastoma.</p>","PeriodicalId":7972,"journal":{"name":"Annals of Maxillofacial Surgery","volume":"15 1","pages":"30-35"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12321174/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144788096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Anomalous Jaw Tumour Progression from Multiple Complex Odontomas to Cemento-ossifying Fibroma - A Case Report. 异常颌骨肿瘤从多发性复杂齿瘤发展为骨质骨化纤维瘤1例报告。
Annals of Maxillofacial Surgery Pub Date : 2025-01-01 Epub Date: 2025-04-04 DOI: 10.4103/ams.ams_167_24
Sachin Jha, Vilas Newaskar, Bharat Maheshwari
{"title":"Anomalous Jaw Tumour Progression from Multiple Complex Odontomas to Cemento-ossifying Fibroma - A Case Report.","authors":"Sachin Jha, Vilas Newaskar, Bharat Maheshwari","doi":"10.4103/ams.ams_167_24","DOIUrl":"10.4103/ams.ams_167_24","url":null,"abstract":"<p><strong>Rationale: </strong>Odontomas are benign, asymptomatic odontogenic tumours, while ossifying fibromas are fibro-osseous lesions from the periodontal ligament. The rare transition from odontomas to an ossifying fibroma in the same jaw highlights the need for long-term follow-up.</p><p><strong>Patient concerns and diagnosis: </strong>A young adult with multiple odontomas, one of which later changed into a different type of bone-related tumour; ossifying fibroma. The first odontoma was surgically removed 10 years ago, followed by the development of a cemento-ossifying fibroma from an anterior odontoma.</p><p><strong>Treatment and outcomes: </strong>The fibroma was excised via an intraoral vestibular incision, and the lesion was completely enucleated. Paraesthesia occurred postoperatively due to proximity to the inferior alveolar and lingual nerves but resolved within 3 - 4 weeks. The patient experienced a significant reduction in swelling and improved facial symmetry, with long-term follow-up required for recurrence monitoring.</p><p><strong>Take-away lessons: </strong>This case emphasises the potential evolution of odontogenic tumours and the importance of vigilant monitoring.</p>","PeriodicalId":7972,"journal":{"name":"Annals of Maxillofacial Surgery","volume":"15 1","pages":"106-109"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12321193/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144788097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Oroantral Fistula Management in Diabetic Patients - A Case Report. 糖尿病患者口窦瘘的治疗- 1例报告。
Annals of Maxillofacial Surgery Pub Date : 2025-01-01 Epub Date: 2025-03-18 DOI: 10.4103/ams.ams_144_24
H T Arvind Rao, Firdous Abdul Sathar, Ashwin K Harekal, Jagadish Chandra
{"title":"Oroantral Fistula Management in Diabetic Patients - A Case Report.","authors":"H T Arvind Rao, Firdous Abdul Sathar, Ashwin K Harekal, Jagadish Chandra","doi":"10.4103/ams.ams_144_24","DOIUrl":"10.4103/ams.ams_144_24","url":null,"abstract":"<p><strong>Rationale: </strong>This case series evaluates the effectiveness of the buccal advancement flap and buccal pad of fat for treating oroantral fistula (OAF) in uncontrolled diabetic patients, focusing on healing, complications and success rates.</p><p><strong>Patient concern: </strong>OAF is a condition marked by abnormal communication between the oral cavity and maxillary sinus, often leading to infections, purulent discharge, nasal regurgitation and discomfort. Diabetic patients face additional healing challenges.</p><p><strong>Diagnosis: </strong>OAF is commonly caused by posterior maxillary teeth extractions with symptoms exacerbated by chronic sinus infection, especially in uncontrolled diabetics.</p><p><strong>Treatment: </strong>Two surgical techniques were employed: the buccal advancement flap and buccal pad of fat. Both aim to enhance fistula closure and minimise complications in diabetic patients.</p><p><strong>Outcomes: </strong>Both approaches achieved successful fistula closure with satisfactory healing despite the patients' impaired healing capacity.</p><p><strong>Take-away lessons: </strong>Buccal advancement flap and buccal pad of fat provide effective and reliable solutions for OAF management in uncontrolled diabetic patients.</p>","PeriodicalId":7972,"journal":{"name":"Annals of Maxillofacial Surgery","volume":"15 1","pages":"115-117"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12321173/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144788132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Langerhans Cell Histiocytosis Involving the Maxilla and Mandible - A Case Report. 上颌及下颌骨朗格汉斯细胞组织细胞增多症1例报告。
Annals of Maxillofacial Surgery Pub Date : 2025-01-01 Epub Date: 2025-05-09 DOI: 10.4103/ams.ams_136_24
Ramita V Sood, Ragini Ramendra Tiwari, Hu Weihsin, Anupama B Chauhan, Nisarg R Trivedi, Bansarim B Gadhiya
{"title":"Langerhans Cell Histiocytosis Involving the Maxilla and Mandible - A Case Report.","authors":"Ramita V Sood, Ragini Ramendra Tiwari, Hu Weihsin, Anupama B Chauhan, Nisarg R Trivedi, Bansarim B Gadhiya","doi":"10.4103/ams.ams_136_24","DOIUrl":"10.4103/ams.ams_136_24","url":null,"abstract":"<p><strong>Rationale: </strong>Langerhans cell histiocytosis (LCH) is a rare disease involving neoplastic proliferation of myeloid precursor cells, primarily affecting bones such as ribs, pelvis, femur, and mandible with rare simultaneous involvement of the maxilla and mandible.</p><p><strong>Patient concerns and diagnosis: </strong>A 48-year-old male presented with swelling and tooth mobility since 6 months. Orthopantomogram revealed extensive destruction in the mandible and right maxillary posterior region. Histological examination confirmed LCH using immunohistochemical staining with S-100, CD1a.</p><p><strong>Treatment: </strong>As patient refused of surgery, intralesional methylprednisolone injections were selected as non-invasive treatment approach for localized LCH.</p><p><strong>Outcome: </strong>Three months post-treatment, remission was observed, though some residual lesion remained. Follow-up at six months showed no further disease progression, supporting the efficacy of corticosteroid injections.</p><p><strong>Take-away lessons: </strong>Treatment should be based on the diagnosis of LCH along with the extent of involvement of bones. Based on review of the literature and our own findings, intralesional corticosteroids were found to be effective for localized LCH.</p>","PeriodicalId":7972,"journal":{"name":"Annals of Maxillofacial Surgery","volume":"15 1","pages":"102-105"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12321178/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144788128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Knowledge and Perception about Dental Implants, Bone Grafting and Complications in Population of Delhi NCR - An Evaluative Study. 德里NCR人口中牙种植体、植骨和并发症的知识和认知-一项评估研究。
Annals of Maxillofacial Surgery Pub Date : 2025-01-01 Epub Date: 2025-05-05 DOI: 10.4103/ams.ams_220_24
Tashika Chaudhary, Shakila Mahesh, Tufail Iqbal Doond
{"title":"Knowledge and Perception about Dental Implants, Bone Grafting and Complications in Population of Delhi NCR - An Evaluative Study.","authors":"Tashika Chaudhary, Shakila Mahesh, Tufail Iqbal Doond","doi":"10.4103/ams.ams_220_24","DOIUrl":"10.4103/ams.ams_220_24","url":null,"abstract":"<p><strong>Introduction: </strong>Dental implants are a popular solution for tooth replacement, offering functional and aesthetic benefits. However, patients' understanding and perceptions significantly impact their decisions and expectations. In Delhi NCR, rising demand for dental implants underscores the importance of evaluating public awareness, common misconceptions and sources of information.</p><p><strong>Materials and methods: </strong>A cross-sectional survey was conducted among 300 residents of Delhi NCR using an online questionnaire. The survey assessed participants' knowledge of dental implants, perceptions of the procedure and bone grafting and sources of information. Demographics such as age, gender and education were collected to identify trends.</p><p><strong>Results: </strong>Among the respondents, 61.8% were men, and 38.2% were women. While 98% claimed familiarity with dental implants, 51.7% believed they required more care than natural teeth and 40% thought they lasted only 2-10 years. Dentists were the primary source of information for 50% of participants. Misconceptions were common, with 41% associating implants with systemic illness and 66% indicating no need for tooth replacement. Regarding bone grafting, 60% were willing to use bone from their jaw, 57.3% preferred synthetic substitutes and 29% thought implants could cause systemic complications.</p><p><strong>Discussion: </strong>Although awareness of dental implants is high, misconceptions about their longevity, care needs and complications persist. These findings highlight the need for targeted education to address misinformation and improve patient understanding, enabling informed decisions about implants and related treatments.</p>","PeriodicalId":7972,"journal":{"name":"Annals of Maxillofacial Surgery","volume":"15 1","pages":"83-88"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12321188/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144788127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reconstruction of Zygoma in Total Agenesis in Treacher-Collins Syndrome Using Kerfed Rib Grafts - A Retrospective Study. 用带切口的肋骨移植重建完全发育不全的叛变-柯林斯综合征颧骨的回顾性研究。
Annals of Maxillofacial Surgery Pub Date : 2025-01-01 Epub Date: 2025-07-09 DOI: 10.4103/ams.ams_28_25
S M Balaji, Preetha Balaji
{"title":"Reconstruction of Zygoma in Total Agenesis in Treacher-Collins Syndrome Using Kerfed Rib Grafts - A Retrospective Study.","authors":"S M Balaji, Preetha Balaji","doi":"10.4103/ams.ams_28_25","DOIUrl":"10.4103/ams.ams_28_25","url":null,"abstract":"<p><strong>Introduction: </strong>Reconstruction of zygomatic agenesis in Treacher-Collins syndrome (TCS) poses a significant challenge. Traditional bone grafting techniques often fail to address the complex three-dimensional (3D) anatomy and biomechanical demands. This study introduces an approach using kerfed rib grafts and titanium scaffolding for such reconstructions.</p><p><strong>Materials and methods: </strong>A retrospective review was conducted on six TCS patients (five males, one female; mean age 20.17 ± 2.91 years) with zygomatic agenesis. Pre-operative 3D computed tomography imaging guided surgical planning. Kerfed rib grafts, harvested via a subperiosteal approach, were meticulously contoured and secured to the maxilla and zygomatic root using pre-contoured titanium plates through bicoronal and intraoral incisions. Lateral canthal ligaments were repositioned and hypoplastic maxillae augmented with recombinant human bone morphogenetic protein-2 (rhBMP2).</p><p><strong>Results: </strong>All six patients underwent successful single-stage reconstruction without intraoperative or post-operative complications, including infection or donor-site morbidity. Over a 12-month follow-up, stable reconstructions with significant improvements in facial symmetry and function were observed. Radiographic assessments confirmed adequate integration of rib grafts and maintained structural stability; no revision surgeries were required.</p><p><strong>Discussion: </strong>Kerfed rib grafts, combined with titanium scaffolding, offer superior conformability, reduced donor-site morbidity and improved aesthetic outcomes compared to traditional techniques for severe zygomatic hypoplasia in TCS. This approach addresses the limitations of calvarial and non-kerfed rib grafts by providing enhanced flexibility, stress distribution and vascularisation. Long-term studies are needed to evaluate the durability of these reconstructions.</p>","PeriodicalId":7972,"journal":{"name":"Annals of Maxillofacial Surgery","volume":"15 1","pages":"72-77"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12321186/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144788038","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Augmented Reality in Temporomandibular Joint Arthrocentesis - An Evaluative Clinical Study. 增强现实在颞下颌关节置换术中的应用-一项评估性临床研究。
Annals of Maxillofacial Surgery Pub Date : 2025-01-01 Epub Date: 2025-04-29 DOI: 10.4103/ams.ams_45_24
Jigna S Shah, Manish K Poojary
{"title":"Augmented Reality in Temporomandibular Joint Arthrocentesis - An Evaluative Clinical Study.","authors":"Jigna S Shah, Manish K Poojary","doi":"10.4103/ams.ams_45_24","DOIUrl":"10.4103/ams.ams_45_24","url":null,"abstract":"<p><strong>Introduction: </strong>Augmented reality (AR) combines computer-generated images, audios and videos on a screen with real-life scenes. Arthrocentesis is the lavage of the temporomandibular joint (TMJ) using sterile needles and sterile irrigants which requires precise puncture by a needle to the upper joint compartment. The aim of the study was to develop an AR system to identify the puncture point for TMJ arthrocentesis with direct access to the upper compartment of the joint.</p><p><strong>Materials and methods: </strong>Two cases diagnosed with chronic recurrent dislocation of TMJ were selected for the study. A three-dimensional virtual model was reconstructed from cone-beam computed tomography (CBCT) images of a patient. The AR visualisation was created by developing an Android app which superimposed the virtual model and the TMJ in real time. The skin puncture point was marked on the skin, and the needle was guided to the upper compartment of the joint using this superimposed view to perform TMJ arthrocentesis.</p><p><strong>Results: </strong>Puncture with the AR method was successful in both the cases with direct access to the upper compartment of TMJ. Pain had reduced completely in both cases during 30- and 60-day follow-up periods; maximum mouth opening had reduced by an average of 4.33 mm after 60 days postoperatively, and clicking sound was completely absent after 14-day follow-up period.</p><p><strong>Discussion: </strong>AR could potentially enhance the accuracy and effectiveness of TMJ arthrocentesis by providing precise needle guidance and reducing the need for multiple punctures. However, the limitations must be addressed as well.</p>","PeriodicalId":7972,"journal":{"name":"Annals of Maxillofacial Surgery","volume":"15 1","pages":"78-82"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12321183/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144788098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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