Publications by authors named "Esben Aagaard"

4 Publications

  • Page 1 of 1

The ESTMJS (European Society of Temporomandibular Joint Surgeons) Consensus and Evidence-Based Recommendations on Management of Condylar Dislocation.

J Clin Med 2021 Oct 29;10(21). Epub 2021 Oct 29.

Department of Oral and Craniomaxillofacial Surgery, Philipps University Marburg, 35043 Marburg, Germany.

Although condylar dislocation is not uncommon, terminology, diagnostics, and treatment concepts vary considerably worldwide. This study aims to present a consensus recommendation based on systematically reviewed literature and approved by the European Society of TMJ Surgeons (ESTMJS). Based on the template of the evidence-based German guideline (register # 007-063) the ESTMJS members voted on 30 draft recommendations regarding terminology, diagnostics, and treatment initially via a blinded modified Delphi procedure. After unblinding, a discussion and voting followed, using a structured consensus process in 2019. An independent moderator documented and evaluated voting results and alterations from the original draft. Although the results of the preliminary voting were very heterogenous and differed significantly from the German S3 guideline ( < 0.0005), a strong consensus was achieved in the final voting on terminology, diagnostics, and treatment. In this voting, multiple alterations, including adding and discarding recommendations, led to 24 final recommendations on assessment and management of TMJ dislocation. To our knowledge, the ESTMJS condylar dislocation recommendations are the first both evidence and consensus-based international recommendations in the field of TMJ surgery. We recommend they form the basis for clinical practice guidelines for the management of dislocations of the mandibular condyle.
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http://dx.doi.org/10.3390/jcm10215068DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8584777PMC
October 2021

Synovial Cysts in the Temporomandibular Joint: a Case Report and Critical Review of the Literature.

J Oral Maxillofac Res 2019 Jan-Mar;10(1):e4. Epub 2019 Mar 31.

Department of Oral and Maxillofacial Surgery, Odense University HospitalDenmark.

Background: Synovial cysts of the temporomandibular joint are rare and treatment is based on consensus from cases reporting unilateral successful outcomes. A patient with a synovial cyst is presented, treated with successful surgical excision of the cyst, but without remission of joint symptoms. Furthermore, the case is supplemented by a critical, literature review.

Methods: This case report deals with a patient with a synovial cyst that presented with temporomandibular joint (TMJ) pain and reduced mouth opening. Magnetic resonance imaging verified a TMJ cyst.

Results: Surgical excision removed the synovial cyst, and the patient was followed-up for 4 years, with no recurrence of the cyst. Despite successful excision of the cyst, the symptoms did not subside, and the patient is still in treatment. The critical, literature review found 23 case reports describing 24 synovial cysts. In addition, 4 cases were included as their synovial cysts were erroneously described as ganglion cysts. In 4 cases, histological diagnosis could not be confirmed, and they were excluded. All cases described treatment by surgical excision without recurrence. The reported median follow-up was 10 months and postoperative TMJ symptoms were rarely examined or described.

Conclusions: The temporomandibular joint symptoms may persist despite successful removal of the synovial cyst. Furthermore, the 4 identified synovial cysts, mislabelled as ganglion cysts, represents almost a quarter of the cases of the reported synovial cysts. Correct labelling and reporting of synovial cysts are still imperative to describe the diverse aspects of treatment outcomes following surgical excision.
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http://dx.doi.org/10.5037/jomr.2019.10104DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6498815PMC
March 2019

Surgical Splint Design Influences Transverse Expansion in Segmental Maxillary Osteotomies.

J Oral Maxillofac Surg 2017 Jun 4;75(6):1249-1256. Epub 2017 Jan 4.

Head, Department of Oral and Maxillofacial Surgery, Odense University Hospital, Odense, Denmark.

Purpose: In segmental maxillary procedures, it is imperative to obtain as much of the planned expansion as possible. Lack of obtained expansion, in addition to late relapse after splint removal, can result in relapse of the posterior crossbite. This study investigated the influence of 2 surgical splint designs on achieving the planned transverse expansion in bimaxillary surgery with segmental maxillary procedures.

Materials And Methods: Forty-two participants were included in a retrospective observational study. All participants had completed virtually planned bimaxillary surgery with 3-piece maxillary segmentation. The primary outcome variable was the transverse expansion obtained, measured as the expansion between the maxillary first molars on preoperative and postoperative cone-beam computed tomograms. The postoperative scan was performed 1 week after surgery with the splint still in place. To test measurement reliability, all measurements were performed twice by the same observer. The primary predictor variable was the planned expansion according to the virtual surgical plan. The primary covariate with influence on the obtained expansion was the surgical splint design. Other covariates of interest included patient age, patient gender, and surgeon. Descriptive and bivariate statistics were performed using Student t tests and linear regression analysis.

Results: Measurements showed high reliability, with an intraclass correlation coefficient of 0.99 and Bland-Altman plots without systematic errors. The obtained expansion was statistically different from the planned expansion (mean, -0.77 mm; standard deviation, 0.83). Surgical splint design meaningfully influenced transverse expansion: 77% of the planned expansion was obtained with high palatal coverage, whereas 50% was obtained with low palatal coverage. No other covariates influenced the expansion obtained.

Conclusion: Not all the planned expansion is obtained during segmental bimaxillary surgery. Use of rigid surgical splints with high palatal coverage considerably improves the amount of expansion obtained and is recommended for segmental maxillary procedures.
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http://dx.doi.org/10.1016/j.joms.2016.12.042DOI Listing
June 2017

Changes in Upper Airway Volume Following Orthognathic Surgery.

J Craniofac Surg 2017 Jan;28(1):66-70

Department of Oral and Maxillofacial Surgery, Odense University Hospital, Odense, Denmark.

Reduced volume of the internal skeletal dimensions of the face is 1 of the main causes of obstructive sleep apnea, and attention to patients' airways is necessary when planning orthognathic treatment. This study aims to describe changes in upper airway volume following virtually planned orthognathic surgery.A retrospective pilot study was designed with 30 randomly selected patients (10 men and 20 women, aged 23.1 ± 6.8 years, molar-relations: 15 neutral, 8 distal, and 7 mesial). Cone-beam computed tomography scans were performed before surgery and 1 week following surgery. The authors did total upper airway volume measurements and obtained 1-mm slices at vertical levels in the velo-, oro-, and hypopharynx and at the smallest visible cross-section.Measurements before and after surgery were compared using Student t test.After orthognathic surgery, the minimum cross-sectional area at the vertical level increased from 83 mm ± 33 before surgery to 102 mm ± 36 after surgery (P = 0.019). In patients with neutral and distal occlusions, the minimum cross-sectional slice volume increased in 87% but in only 57% with mesial occlusion.The present findings suggest that orthognathic surgery increases upper airway volume parameters, but a few patients have continued impairment of the airways following orthognathic surgery. Further studies are needed to confirm an individual surgical planning approach that potentially could bring the minimum cross sectional area out of the risk zone.
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http://dx.doi.org/10.1097/SCS.0000000000003206DOI Listing
January 2017
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