ArticleBMC musculoskeletal disorders2022
Heterotopic ossification after alloplastic temporomandibular joint replacement: a case cohort study.
Article in BMC musculoskeletal disorders, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 12 citations in OpenAlex.
- 20-year experience of biomet stock alloplastic temporomandibular joint replacement in Chinese patients after technical modifications: a single-center retrospective study.Clinical oral investigations · 2026Article
- Bilateral pseudo-disc changes in a minipig model for unilateral anterior disc displacement of the temporomandibular joint.Oral and maxillofacial surgery · 2026Article
- Quality of Life Outcomes Following Total Temporomandibular Joint Replacement: A Systematic Review of Long-Term Efficacy, Functional Improvements, and Complication Rates Across Prosthesis Types.Journal of clinical medicine · 2025Review
- Evolution of temporomandibular joint reconstruction: from autologous tissue transplantation to alloplastic joint replacement.International journal of oral science · 2025Review
- Analysis of the effect on costochondral graft for TMJ ankylosis with jaw deformities in pediatrics.Clinical oral investigations · 2024Article
- Simultaneous standard total joint prosthesis reconstruction with SSRO and Le Fort I osteotomy in the treatment of unilateral temporomandibular joint ankylosis with jaw deformity: a case cohort study.Clinical oral investigations · 2024Article
- Post-laparotomy heterotopic ossification of the xiphoid process: A case report.World journal of clinical cases · 2023Article
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4 authors at 3 institutions in 1 country.
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Abstract
backgroundHeterotopic ossification (HO) is one of the serious complications leading to the failure of alloplastic temporomandibular joint replacement (TJR). However, there was few research on its exact incidence and occurrence. Severe HO might result in pain and limited mouth opening after surgery. Therefore, it is necessary to clarify its clinical and imaging manifestations. The purpose of this study was to study the occurrence and classify HO after the alloplastic TJR.
methodPatients who underwent standard TJR (Zimmer Biomet stock prostheses or Chinese stock prostheses) with fat graft and at least 1-year-follow-up were included. HO was classified into 4 types according to postoperative computed tomography (CT) scans. Type and occurrence in different TMJ disease were compared. Joint space within 1 week after operation was measured and compared between HO and non-HO TJRs. Maximum incisal opening (MIO), pain, and quality of life (QoL) were recorded and their relevance with HO was analyzed statistically.
result81cases with 101 joints were included in the study. The mean follow-up time was 22.9 months (12 ~ 56 months). Among the 48 joints, 27 (56.3%) were type I (bone islands); 16 (33.3%) were type II (bone spurs from the mandibular ramus); 3 (6.3%) were type III (bone spurs from the fossa); and 2 (4.2%) were type IV (bone spurs from both the mandibular ramus and fossa). In HO patients, joint space in type IV was smaller than the other 3 types. Pain scores in HO were significantly greater than non-HO patients before and after operations (p < 0.05). 1 patient in Type IV HO developed ankylosis and had prosthesis revision which accounted for 2.1% in HO patients and 1.0% in all TJR patients.
conclusionHO after alloplastic TJR with fat graft was not severe except for type IV, which was easy to cause ankylosis. Preserving sufficient TJR space was important for ankylosis prevention.
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