{"title":"评估注射用透明质酸作为填充材料对大鼠嘴唇的组织病理学影响","authors":"","doi":"10.1016/j.ajoms.2024.03.006","DOIUrl":null,"url":null,"abstract":"<div><h3>Objectives</h3><p>The present work aimed to examine the early and late histopathological changes occurring in the lower lips of rats, as a result of hyaluronic acid<span> injection, and to determine whether it could really bring us closer to the ideal soft tissue filler material. This research highlights the importance of experimental studies on this subject, since adverse reactions have been observed routinely in dental practice.</span></p></div><div><h3>Material and methods</h3><p>The present study was carried out on 36 adult male albino rats<span> and was divided into two equal groups, each consisting of 18 rats; group I (control group) and group II (experimental group). Rats in the experimental group were injected with hyaluronic acid (0.07 ml), whereas rats in the control group were injected with 0.9% sodium chloride.</span></p></div><div><h3>Results</h3><p><span><span>The results showed inflammation triggered by the injection of hyaluronic acid. On examining the specimens histologically using Hematoxylin and </span>Eosin stains, </span>Toluidine Blue<span><span> stain and immunohistochemistry with anti-CD68 antibody, there was a significantly greater inflammatory response in the groups at early interval with hyaluronic acid compared with the control (P < 0.0001). Higher collagen formation was also observed with Masson’s </span>Trichrome staining.</span></p></div><div><h3>Conclusion</h3><p>The undesirable effects of hyaluronic acid filler injection can be detected at early intervals following its injection. Fortunately, all the undesirable effects are transient and decrease by time, reaching levels comparable to normal. Overall, HA was well-tolerated by tissues, reflecting how this filler material possesses a biocompatible property.</p></div>","PeriodicalId":45034,"journal":{"name":"Journal of Oral and Maxillofacial Surgery Medicine and Pathology","volume":"36 6","pages":"Pages 885-894"},"PeriodicalIF":0.4000,"publicationDate":"2024-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Evaluation of the histopathological effects of injectable hyaluronic acid as a filler material in rat’s lip\",\"authors\":\"\",\"doi\":\"10.1016/j.ajoms.2024.03.006\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><h3>Objectives</h3><p>The present work aimed to examine the early and late histopathological changes occurring in the lower lips of rats, as a result of hyaluronic acid<span> injection, and to determine whether it could really bring us closer to the ideal soft tissue filler material. This research highlights the importance of experimental studies on this subject, since adverse reactions have been observed routinely in dental practice.</span></p></div><div><h3>Material and methods</h3><p>The present study was carried out on 36 adult male albino rats<span> and was divided into two equal groups, each consisting of 18 rats; group I (control group) and group II (experimental group). Rats in the experimental group were injected with hyaluronic acid (0.07 ml), whereas rats in the control group were injected with 0.9% sodium chloride.</span></p></div><div><h3>Results</h3><p><span><span>The results showed inflammation triggered by the injection of hyaluronic acid. On examining the specimens histologically using Hematoxylin and </span>Eosin stains, </span>Toluidine Blue<span><span> stain and immunohistochemistry with anti-CD68 antibody, there was a significantly greater inflammatory response in the groups at early interval with hyaluronic acid compared with the control (P < 0.0001). Higher collagen formation was also observed with Masson’s </span>Trichrome staining.</span></p></div><div><h3>Conclusion</h3><p>The undesirable effects of hyaluronic acid filler injection can be detected at early intervals following its injection. Fortunately, all the undesirable effects are transient and decrease by time, reaching levels comparable to normal. Overall, HA was well-tolerated by tissues, reflecting how this filler material possesses a biocompatible property.</p></div>\",\"PeriodicalId\":45034,\"journal\":{\"name\":\"Journal of Oral and Maxillofacial Surgery Medicine and Pathology\",\"volume\":\"36 6\",\"pages\":\"Pages 885-894\"},\"PeriodicalIF\":0.4000,\"publicationDate\":\"2024-03-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Oral and Maxillofacial Surgery Medicine and Pathology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2212555824000516\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"DENTISTRY, ORAL SURGERY & MEDICINE\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Oral and Maxillofacial Surgery Medicine and Pathology","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2212555824000516","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"DENTISTRY, ORAL SURGERY & MEDICINE","Score":null,"Total":0}
Evaluation of the histopathological effects of injectable hyaluronic acid as a filler material in rat’s lip
Objectives
The present work aimed to examine the early and late histopathological changes occurring in the lower lips of rats, as a result of hyaluronic acid injection, and to determine whether it could really bring us closer to the ideal soft tissue filler material. This research highlights the importance of experimental studies on this subject, since adverse reactions have been observed routinely in dental practice.
Material and methods
The present study was carried out on 36 adult male albino rats and was divided into two equal groups, each consisting of 18 rats; group I (control group) and group II (experimental group). Rats in the experimental group were injected with hyaluronic acid (0.07 ml), whereas rats in the control group were injected with 0.9% sodium chloride.
Results
The results showed inflammation triggered by the injection of hyaluronic acid. On examining the specimens histologically using Hematoxylin and Eosin stains, Toluidine Blue stain and immunohistochemistry with anti-CD68 antibody, there was a significantly greater inflammatory response in the groups at early interval with hyaluronic acid compared with the control (P < 0.0001). Higher collagen formation was also observed with Masson’s Trichrome staining.
Conclusion
The undesirable effects of hyaluronic acid filler injection can be detected at early intervals following its injection. Fortunately, all the undesirable effects are transient and decrease by time, reaching levels comparable to normal. Overall, HA was well-tolerated by tissues, reflecting how this filler material possesses a biocompatible property.
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