{"title":"Osteogenic effect of poly(lactic-co-glycolic acid) microcapsules with different molecular weights encapsulating bone morphogenetic protein 2.","authors":"Lihong Yuan, Chen Chen, Yudi Ma, Ruizhen Liang","doi":"10.7518/hxkq.2024075","DOIUrl":"10.7518/hxkq.2024075","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to explore the effects of bone morphogenetic protein 2 (BMP-2) encapsula-ted in poly(lactic-co-glycolic acid) (PLGA) microcapsules with different molecular weights on the osteogenic ability of osteoblasts.</p><p><strong>Methods: </strong>PLGA microcapsules with different molecular weights (12 000, 30 000) encapsulating BMP-2, were prepared using a dual-channel microinjection pump. The morphology and structure of the microcapsules were characterized by optical microscopy and scanning electron microscopy. The sustained-release performance of the microcapsules was characterized by phosphate buffered saline immersion method. The cell compatibility of the microcapsules was detected by the Calcein-AM/PI staining and CCK-8 method. The chemotactic effect of BMP-2-encapsulated microcapsules on MC3T3-E1 cells after 48 h of treatment was detected by the Transwell assay. The alkaline phosphatase activity assay and Alizarin Red S staining were used to characterize the effect of microcapsules on the osteogenic ability of MC3T3-E1 cells.</p><p><strong>Results: </strong>Both types of microcapsules with different molecular weights exhibited smooth surfaces, as well as uniform and good cell compatibility. The chemotactic effect of the 12 000 microcapsules was outstanding. The 30 000 microcapsules had a longer sustained-release time, and the initial burst release was reduced by approximately 25% compared with the 12 000 microcapsules. In addition, 30 000 microcapsules performed better in long-term osteogenesis induction than 12 000 microcapsules.</p><p><strong>Conclusions: </strong>In this study, the release of BMP-2 is regulated by adjusting the molecular weight of PLGA, and the results indicate that 30 000 microcapsules can better induce the long-term osteogenic ability of MC3T3-E1 cells.</p>","PeriodicalId":94028,"journal":{"name":"Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology","volume":"42 5","pages":"572-580"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11493858/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142304701","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}
{"title":"Standardized treatment of oral cancer under the guidance of clinical practice guidelines of National Comprehensive Cancer Network.","authors":"Siqi Qiu, Yuehan Li, Fayu Liu","doi":"10.7518/hxkq.2024.2024168","DOIUrl":"10.7518/hxkq.2024.2024168","url":null,"abstract":"<p><p>Oral cancer represents a serious public health problem affecting oral and system health with a high global incidence. Treatment strategies for oral cancer vary in different disciplines and are likely to be limited to certain doctor's personal experience. While clinical practice guidelines are considered to enable doctors to determine the most appropriate and consistent treatment strategy according to the patient's situation. National Comprehensive Cancer Network (NCCN) clinical practice guidelines have become the most prevalent in global clinical oncology practice. This article mainly focuses on cases to discuss the normalized treatment strategy for oral cancer in different stages based on the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines): Head and Neck Cancers, Version 3, 2024.</p>","PeriodicalId":94028,"journal":{"name":"Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology","volume":"42 5","pages":"566-571"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11493855/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142304704","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}
{"title":"Localized juvenile spongiotic gingival hyperplasia: a case report.","authors":"Jingmei Yang, Xin Zeng, Yafei Wu, Huan Zhao","doi":"10.7518/hxkq.2024.2024023","DOIUrl":"10.7518/hxkq.2024.2024023","url":null,"abstract":"<p><p>Localized juvenile spongiotic gingival hyperplasia (LJSGH) is a kind of gingival hyperplasia with unique pathological manifestations. Its clinical manifestations are atypical, and the etiology and pathogenesis are unclear. No case report was reported in China. The diagnosis of this disease mainly relies on pathological testing, and recurrence may occur after treatment. The best treatment method still lacks medical evidence. This paper reports a case of LJSGH in a teenager and summarizes its clinical, pathological, and treatment through literature review. This work provides a reference for the diagnosis and treatment of this disease.</p>","PeriodicalId":94028,"journal":{"name":"Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology","volume":"42 5","pages":"667-670"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11493871/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142304699","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}
Yaqi Chen, Wen Ma, Gending Nie, Ming Li, Qingying Cui
{"title":"One case of Rosai-Dorfman disease misdiagnosed as facial inflammation.","authors":"Yaqi Chen, Wen Ma, Gending Nie, Ming Li, Qingying Cui","doi":"10.7518/hxkq.2024.2023455","DOIUrl":"10.7518/hxkq.2024.2023455","url":null,"abstract":"<p><p>Rosai-Dorfman disease (RDD) is a rare non-Langerhans cell histiocytosis. The etiology and pathogenesis of RDD have not been fully explained, and its occurrence is even rarer in the maxillofacial region. This paper reported a patient who was first misdiagnosed as facial inflammation caused by oral disease and finally diagnosed as RDD. Clinical features, diagnosis, treatment, and prognosis were discussed based on the literature. This work provides reference for future diagnosis and differentiation of RDD in cheek.</p>","PeriodicalId":94028,"journal":{"name":"Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology","volume":"42 5","pages":"671-674"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11493861/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142304700","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}
Junxin Cheng, Yujie Zhu, Yuelin Li, Yingcheng Zheng, Jun Wang
{"title":"Craniofacial features and incisor position design of esthetics population after orthodontic treatment.","authors":"Junxin Cheng, Yujie Zhu, Yuelin Li, Yingcheng Zheng, Jun Wang","doi":"10.7518/hxkq.2024.2023443","DOIUrl":"10.7518/hxkq.2024.2023443","url":null,"abstract":"<p><strong>Objectives: </strong>This study aims to provide craniofacial features and incisor position prediction models among esthetics population after orthodontic treatment.</p><p><strong>Methods: </strong>A total of 338 patients with esthetic profiles were selected from 1 055 post-orthodontic adults based on inclusion and exclusion criteria and scored by five dental students. Mean values of cephalometric measurement were demonstrated with gender and sagittal skeletal pattern (ANB) differences assessed by generalized estimating equation. Correlations among age, skeletal, and soft tissue variables in different genders were determined. Multivariate analysis was used to assess the influence of skeletal and soft tissue variables on orthodontic incisor position.</p><p><strong>Results: </strong>Within the esthetic cohort after orthodontic treatment, gender differences existed in cranial and mandibular length, mandibular rotation, protrusion of pogonion, inclination of maxillary incisors, upper lip thickness, lower 1/3 face height, and nose protrusion. However, in class Ⅰ malocclusion, the development of the chin showed no significance, whereas the protrusion of the lower lip significantly differed between genders, with less protrusion in males. In males, the protrusion of lip and chin varied among groups, with thinner basic upper lip thickness of class Ⅱ than class Ⅰ and greater lower lip height of class Ⅲ than class Ⅰ. In females, the protrusion and height of the upper lip and chin varied in groups, with thicker basic upper lip thickness of class Ⅲ than class Ⅰ. Upper lip thickness, female basic upper lip thickness, and female lower lip height were correlated with age. The protrusion of the upper lip was mainly correlated with posterior cranial base, mandibular body length, ANB in male and SNA, ANB, sagittal maxillary length, mandibular rotation, and protrusion of pogonion in female. The protrusion of the lower lip in males was mainly correlated with ramus height, mandibular rotation, protrusion of pogonion in male and ANB, mandibular rotation, and protrusion of pogonion in females. After employing skeletal variables to fit dental parameters, optimal results were achieved in male IMPA (adjusted <i>R</i><sup>2</sup>=0.712) and female G Vert-U1 (adjusted <i>R</i><sup>2</sup>=0.795). After employing skeletal and soft tissue variables simultaneously, optimal results were achieved in male and female G Vert-U1, which was mainly influenced by the protrusion of the chin and nasal base in males (adjusted <i>R</i><sup>2</sup>=0.836) and the protrusion of the nasal base as well as ANB in females (adjusted <i>R</i><sup>2</sup>=0.842).</p><p><strong>Conclusions: </strong>This study demonstrated the craniofacial features of esthetics population after orthodontic treatment and revealed the correlation of gender, age, skeleton, and soft tissues to provide reliable prediction models for aesthetic orthodontic incisor position.</p>","PeriodicalId":94028,"journal":{"name":"Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology","volume":"42 5","pages":"609-623"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11493866/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142304670","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}
Na Gao, Mei Tian, Yawei Sun, Danni Wang, Guowen Sun
{"title":"Application of bone perforation in the surgery of medication-related osteonecrosis of the jaw in stage Ⅱ.","authors":"Na Gao, Mei Tian, Yawei Sun, Danni Wang, Guowen Sun","doi":"10.7518/hxkq.2024.2024133","DOIUrl":"10.7518/hxkq.2024.2024133","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to explore the effect of surgery combined with bone perforation for treating stage Ⅱ medication-related osteonecrosis of the jaw (MRONJ).</p><p><strong>Methods: </strong>A total of 21 patients with stage Ⅱ mandibular MRONJ who underwent surgical treatment from June 2020 to June 2023 were included in this study. Retrospective analysis was conducted on their clinical data, including gender, age, primary disease, drug name and administration method, pre-surgery drug cessation, and prognosis. The cohort comprised 14 males and 7 females, with an average age at onset of 68.33±10.74 years. According to the guidelines of the American Association of Oral and Maxillofacial Surgeons, the included patients had stage Ⅱ mandibular MRONJ. The treatment approach consisted of partial mandibulectomy combined with bone perforation techniques, ensuring tension-free suturing of soft tissues. Follow-up was performed regularly, and the curative effect was evaluated. The SF-12 health survey was used to assess the quality of life for all patients before and after surgery.</p><p><strong>Results: </strong>A total of 21 patients were followed up for 8-38 months after surgery, and the mucosal healing of 17 patients was good (80.95%). The postoperative quality of life score (83.62±5.90) was significantly higher than that before operation (63.67±4.70, <i>P</i><0.05).</p><p><strong>Conclusions: </strong>Surgery combined with bone perforation te-chnique is an effective treatment method with high success rate in refractory stage Ⅱ MRONT patients.</p>","PeriodicalId":94028,"journal":{"name":"Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology","volume":"42 5","pages":"629-635"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11493859/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142304665","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}
Hong Wu, Wenhui Zhao, Xiaoqian Yang, Xiuli Li, Yanrong Zhang, Aimei Song
{"title":"Burkitt lymphoma manifested by initial oral and maxillofacial lesions: a case report in a child patient and review of related articles.","authors":"Hong Wu, Wenhui Zhao, Xiaoqian Yang, Xiuli Li, Yanrong Zhang, Aimei Song","doi":"10.7518/hxkq.2024.2023432","DOIUrl":"10.7518/hxkq.2024.2023432","url":null,"abstract":"<p><p>Burkitt lymphoma is a highly aggressive B-cell lymphoma and the fastest proliferating human malignant tumor. If the disease is found in the early stage, the patient could have a high possibility to be cured successfully, whereas the prognosis is poor in the late stage. Burkitt lymphoma can occur in children and adults, and it is categorized as local (Africa), sporadic, and immunodeficiency associated type. Sporadic Burkitt lymphoma mainly affects children and adolescents, and the most common initial sites are abdominal organs and lymph nodes. Sporadic Burkitt lymphoma manifested by initial oral and maxillofacial lesions is relatively rare. Here, a case of pediatric sporadic Burkitt lymphoma, with oral and maxillofacial lesions as the first symptoms, was reported. The patient was treated in the Department of Periodontology, Shandong University School and Hospital of Stomatology. After timely checkup was provided, the patient was transferred to another hospital and had good results. In this article, an incidence of Burkitt lymphoma, with oral and maxillofacial lesions as the first symptom, was reviewed to provide reference for oral clinicians to achieve early diagnosis and treatment of patients with Burkitt lymphoma with oral diseases and improve the success rate of treatment.</p>","PeriodicalId":94028,"journal":{"name":"Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology","volume":"42 5","pages":"675-682"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11493869/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142304667","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}
Tianwen Zhang, Huijun Yang, Feng Wang, Bo Lin, Hongyu Yang
{"title":"Comparison of static teeth exposure in different postures and its influencing factors of orthognathic surgery patients.","authors":"Tianwen Zhang, Huijun Yang, Feng Wang, Bo Lin, Hongyu Yang","doi":"10.7518/hxkq.2024.2024099","DOIUrl":"10.7518/hxkq.2024.2024099","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to explore the differences and influencing factors of static teeth exposure in different postures of orthognathic surgery patients.</p><p><strong>Methods: </strong>A total of 148 patients were collected before or after orthognathic surgery. Photographs were taken in the upright and supine positions, and the static teeth exposure values were measured to compare whether the difference among different positions was statistically significant. The patients were classified in accordance with gender, presence or absence of orthodontic brackets, measurement time (preoperative or postoperative), and maxillary movement direction (forward or backward), and the difference of static teeth exposure was compared. The correlation between the difference of static teeth exposure and age was analyzed.</p><p><strong>Results: </strong>The diffe-rence of static teeth exposure between the two positions was 0.99 mm±0.95 mm, which was statistically significant (<i>P</i>=0.000). A statistical difference in the difference of static exposure was observed between female and male (<i>P<</i>0.05). No statistical difference in the difference of static exposure was observed among orthodontic brackets, preoperative or postoperative time points, and maxillary movement direction. In addition, no significant correlation was found between the difference of static teeth exposure and age (<i>r</i>=-0.087, <i>P</i>=0.291).</p><p><strong>Conclusions: </strong>Compared with the upright position, the static exposure of teeth increased by approximately 0.99 mm in the supine position. The difference of static exposure under different postures was greater in males than in females. Furthermore, orthodontic bracket, maxillary surgery, maxillary movement direction, and age had no effect on the difference of static teeth exposure in different postures.</p>","PeriodicalId":94028,"journal":{"name":"Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology","volume":"42 5","pages":"624-628"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11493857/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142304669","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}
Hu Yang, Ruiwen Shi, Yue Liu, Yilin Shi, Shengben Zhang, Jing Lan
{"title":"Analysis of factors affecting bone volume changes after immediate implantation in the maxillary central incisor.","authors":"Hu Yang, Ruiwen Shi, Yue Liu, Yilin Shi, Shengben Zhang, Jing Lan","doi":"10.7518/hxkq.2024.2024127","DOIUrl":"10.7518/hxkq.2024.2024127","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to evaluate the clinical outcomes of immediate implantation of single maxillary central incisor and explore factors affecting post-implant bone volume.</p><p><strong>Methods: </strong>Clinical data and imaging records from pre-surgery, the day of surgery, and 6 months post-surgery of 100 patients (100 implants) with non-salvageable maxillary central incisors who underwent immediate implantation were collected. Bone thickness at the cervical, middle, and apical regions of the implant's labial and palatal sides were measured immediately post-surgery and at 6 months, and bone volume changes were observed. A regression analysis model was used to assess predictive factors for labial and palatal bone plate thickness.</p><p><strong>Results: </strong>At 6 months post-surgery, the labial bone thicknesses at the cervical, middle, and apical regions were 2.35, 2.29, and 3.28 mm, respectively, and those of the palatal side were 0.00, 2.40, and 6.05 mm, respectively. The cervical region had the highest alveolar crest collapse rates, with 32.87% on the labial side and 62.20% on the palatal side. The regression model indicated that factors influencing the thickness of bone at the cervical labial side of the implant included initial bone thickness, the implant center to adjacent tooth center angle, implant diameter, and the type of implant closure (<i>P</i><0.05). The initial bone thickness on the palatal side was the sole predictor for bone thickness on the palatal side (<i>P</i><0.05).</p><p><strong>Conclusions: </strong>Immediate implantation of single maxillary central incisors yields effective clinical results. The thickness of new bone around the implant is influenced by multiple factors. A comprehensive consideration of these factors in the planning of immediate implantation is necessary to achieve optimal therapeutic outcomes.</p>","PeriodicalId":94028,"journal":{"name":"Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology","volume":"42 5","pages":"660-666"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11493867/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142304651","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}
{"title":"Analysis on the relationship between Schneiderian membrane thickening in the posterior maxillary region and periapical lesions by cone beam computed tomography.","authors":"Bo Feng, Fengxiang Li, Qitao Du","doi":"10.7518/hxkq.2024.2024164","DOIUrl":"10.7518/hxkq.2024.2024164","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to evaluate the thickening of sinus membrane, which is also named Schneiderian membrane (SM), in patients and its relationship with periapical lesions (PAL) in the posterior maxillary region to provide reference for the prevention and treatment of odontogenic maxillary sinusitis.</p><p><strong>Methods: </strong>A retrospective analysis was conducted on 554 cone beam computed tomography (CBCT) imaging data of maxillary sinuses from 301 patients who met the inclusion criteria to determine the correlation between PAL and SM thickening in the posterior maxillary region. Cases of pathological SM were recorded and classified on the basis of the degree and type of SM thickening. The correlation between SM thickening and the diameter of PAL, the relationship between the upper edge of PAL and the maxillary sinus floor, and its relationship with whether affected teeth with PAL undergo root canal treatment were evaluated.</p><p><strong>Results: </strong>The detection rate of SM thickening in patients with PAL was significantly higher than in those without PAL, so PAL was correlated with SM thickening. Analysis on the correlation between PAL detection indicators and SM thickening degree showed that SM thickening degree was positively correlated with PAL diameter (cone beam computed tomography-periapical index) and not correlated with the three spread effects between the upper edge of PAL and the maxillary sinus floor, as well as whether the teeth with PAL undergo root canal treatment. The correlation analysis between PAL detection indicators and SM thickening types showed that whether the teeth with PAL undergo root canal treatment was not correlated with SM thickening types, and the diameter of PAL, the three spread effects between the upper edge of PAL, and the maxillary sinus floor were not correlated with SM thickening types.</p><p><strong>Conclusions: </strong>The PAL of posterior maxillary teeth is closely related to SM thickening, and the diameter of PAL is positively correlated with the degree of SM thickening. Patients with PAL who have undergone root canal treatment often exhibit SM polyp thickening. In addition, the relationship between the upper edge of PAL and the maxillary sinus floor does not affect the possibility of SM development.</p>","PeriodicalId":94028,"journal":{"name":"Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology","volume":"42 5","pages":"644-651"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11493856/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142304664","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}