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Morphology and morphometric analysis of mental foramen in south Indian population – A CBCT study 南印度人群精神孔的形态学和形态计量学分析-一项CBCT研究
Pub Date : 2022-07-15 DOI: 10.18231/j.ijmi.2022.012
P. Chandra, Sanjana Ravindra, Balaji Pachipulusu
It is essential to define the exact location of the mental foramen to avoid potential injury to the neurovascular bundle during surgical procedures in the mandibular interforaminal region. This radiographic study was aimed to evaluate the morphology and morphometric dimensions of mental foramen (MF) among Indian population. This study also investigated the dimorphic variations of mental foramen with respect to gender and laterality. The images of 80 subjects( 160 mandibular sites) with the age range of 20 to 60 years who had undergone cone beam computed tomographic (CBCT) were retrieved from the archives and examined for morphology and morphometry of mental foramen. Oval shaped mental foramen was one and a half times greater than round shape, which was predominant in females. Position 4 was the most common location on right and left side respectively. Type I and type III were the most common radiographic appearance of mental foramen on right and left side respectively. The mean mesiodistal, superoinferior and buccolingual dimensions of MF were 2.49 ± 0.86 mm, 2.83 ± 0.73 mm and 2.44 ± 0.72 mm respectively. The mean dimensions of the mental foramen were significantly higher among the males when compared to females. The mental foramen was positioned at an average of 11.13 ± 3.40 mm from the alveolar crest (MF-C) on the right side and was positioned at 10.79 ± 3.21 mm on the left side. The distance of the mental foramen from the alveolar crest was significantly higher among the Group I when compared to Group IV. The morphology of the mental foramen did not show any variations among the gender and age in the Indian population. The morphometric values of the mental foramen showed variability of 1-2 mm among different subjects of our population.
确定颏孔的确切位置是必要的,以避免在手术过程中对下颌椎间孔区神经血管束的潜在损伤。本影像学研究的目的是评估印度人口的精神孔(MF)的形态和形态测量尺寸。本研究还探讨了脑孔在性别和侧位方面的二态变异。从档案中检索年龄在20 ~ 60岁的80例受试者(160个下颌骨部位)行锥束计算机断层扫描(CBCT)的图像,检查颏孔的形态学和形态计量学。卵形颏孔比圆形颏孔大1.5倍,以雌性颏孔为主。最常见的位置分别是右侧和左侧的第4位。I型和III型分别是右侧和左侧精神孔最常见的x线表现。中远端、上下端和颊舌的平均尺寸分别为2.49±0.86 mm、2.83±0.73 mm和2.44±0.72 mm。心理孔的平均尺寸在男性中明显高于女性。颏孔平均位于右侧距牙槽嵴(MF-C) 11.13±3.40 mm处,左侧距牙槽嵴(MF-C) 10.79±3.21 mm处。I组与IV组相比,颏孔与牙槽嵴的距离明显增加。在印度人群中,颏孔的形态在性别和年龄之间没有任何变化。心理孔的形态测量值在不同的人群中显示1-2毫米的差异。
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引用次数: 0
Concentrated growth factors in the treatment of adjacent multiple gingival recessions: A split-mouth randomized control trial 集中生长因子治疗邻近多发性牙龈衰退:一项裂口随机对照试验
Pub Date : 2022-07-15 DOI: 10.18231/j.ijmi.2022.010
Shaik Abdul Cader, S. Suresh, U. Sudhakar, Nimisha Mithradas, Shifa Fathima, N. Ravindran
: The aim of this study was to determine the clinical effect of Concentrated Growth Factor (CGF) in combination with Coronally Advanced Flap (CAF) compared to CAF alone in the treatment of adjacent multiple Miller’s Class I GRs. A total of 10 patients with Class I Miller’s recession were randomly assigned by a coin toss method as Group I which received Coronally Advanced Flap alone (CAF) and Group II which received Coronally Advanced Flap (CAF) with Concentrated Growth Factor (CGF). The clinical parameters such as, Recession Height (RH), Recession Width (RW), Probing Pocket Depth (PPD), Clinical Attachment Level (CAL), Keratinized Tissue Width (KTW) and Thickness of Keratinized Tissue (TKT) were measured at baseline and 3 months postoperatively. The Mean Root Coverage (MRC), Complete Root Coverage (CRC) and Root coverage Esthetic Score (RES) were measured after 3 months postoperatively. Statistically significant difference in RH, RW, CAL, KTW, TKT, MRC and RES were observed on comparison of Group I and Group II at 3 months. On comparison, of Group I and Group II, no statistically significant difference was seen in PPD and CRC between the groups at 3 months.The present study indicates that CAF with a CGF proved to be superior. The KTW and TKT augmentation might improve the long-term predictability of the root coverage procedures, hence the use of CGF combined with CAF, diminishes post-surgical relapse and thus providing long-term stability.
本研究的目的是确定浓缩生长因子(CGF)联合冠状晚期皮瓣(CAF)治疗邻近多发性Miller 's I类GRs的临床效果,并与单独CAF进行比较。采用抛硬币法将10例I类Miller’s衰退患者随机分为单纯冠状高级皮瓣(CAF)组和冠状高级皮瓣(CAF)联合集中生长因子(CGF)组。在基线和术后3个月测量退缩高度(RH)、退缩宽度(RW)、探查袋深度(PPD)、临床附着水平(CAL)、角质组织宽度(KTW)和角质组织厚度(TKT)等临床参数。术后3个月测量平均根覆盖(MRC)、完全根覆盖(CRC)和根覆盖美学评分(RES)。3个月时,两组患者RH、RW、CAL、KTW、TKT、MRC、RES比较,差异均有统计学意义。比较I组和II组,3个月时两组间PPD和CRC无统计学差异。目前的研究表明,CAF与CGF被证明是优越的。KTW和TKT增强可以提高根覆盖手术的长期可预测性,因此使用CGF联合CAF可以减少术后复发,从而提供长期稳定性。
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引用次数: 0
Evaluation of surface changes of stainless steel miniplates and screws following retrieval 不锈钢微型钢板和螺钉回收后表面变化的评价
Pub Date : 2022-04-15 DOI: 10.18231/j.ijmi.2022.001
V. Shakuntala Soujanya, Dilip Pantham, N. Abhishek Reddy, M. Vinuthna, K. Kranthi, P. Durga Keerthi
The objective of the present study is to evaluate the surface changes like corrosion, surface roughness, micro-fractures and tensile strength of stainless steel mini plates and screws. The study was carried out at the Department of Oral and Maxillofacial Surgery, Meghna Institute of Dental Sciences, Nizamabad for a duration of 3 years. Around 34 stainless steel miniplates and 101 stainless steel screws complied to treat maxillofacial fractures of 20 patients for the rigid internal fixation were retrieved. Then the surface changes like corrosion, surface roughness, micro-fractures were evaluated using stereo microscope and scanning electron microscope whereas the tensile strength was measured using a universal testing machine.: The surface roughness and micro-fractures were seen in 100% of the stainless steel miniplates and screws whereas corrosion degradation was seen in 65%. Thereafter, when the tensile strength was evaluated, a mean value of 497N was found to be exhibited by the retrieved miniplates which was enough to withstand the masticatory forces. Through our study, we emphasize to the need for the proper handling techniques to be followed at the time of implant placements so as to avoid implants failures and occurring of other biogenic complications.
本研究的目的是评估不锈钢微型板和螺钉的表面腐蚀、表面粗糙度、微断裂和抗拉强度等表面变化。这项研究是在尼扎马巴德梅克纳牙科科学研究所口腔颌面外科进行的,为期3年。采用不锈钢微型钢板34枚,不锈钢螺钉101枚,用于治疗20例颌面部骨折患者的刚性内固定。利用立体显微镜和扫描电镜对材料的腐蚀、表面粗糙度、微断裂等表面变化进行了评价,并利用万能试验机对材料的抗拉强度进行了测量。不锈钢微型板和螺钉的表面粗糙度和微断裂率为100%,而腐蚀退化率为65%。然后,当评估抗拉强度时,发现回收的微型钢板显示的平均值为497N,足以承受咀嚼力。通过我们的研究,我们强调在植入假体时需要遵循正确的处理技术,以避免假体失败和其他生物并发症的发生。
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引用次数: 0
Endodontic management of pulp canal obliteration: A case report of two cases 牙髓管闭塞的根管治疗:附2例报告
Pub Date : 2022-04-15 DOI: 10.18231/j.ijmi.2022.004
A. Kamboj, N. Sinha, S. Chopra, Ashok K. Rathod, Pritam Mohanty, Prateek Mathur
Pulp canal obliteration (PCO) is defined as a deposition of hard tissue within the root canal space and a yellow discoloration of clinical crown. These tissues can eventually produce the radiographic appearance of a root canal space that has become partial or completely calcified. These teeth provide an endodontic treatment challenge. The critical management decision being whether to treat these teeth endodontically immediately upon detection of the pulpal obliteration or to wait until symptoms or signs of pulp or periapical disease occur. Success in root canal treatment is based on proper debridement, disinfection and obturation of the root canal system. However, this procedure may be difficult or even impossible to achieve if the pulpal space is calcified. The endodontic treatment performed under these circumstances pose the risk of root perforation, a complication that seriously affects the long-term prognosis of tooth. The present article discusses a series of cases of endodontic treatment in teeth with partially or completely PCO and methods for the clinical management of these cases using contemporary endodontic techniques.
髓管闭塞症(PCO)被定义为硬组织沉积在根管间隙和临床冠黄色变色。这些组织最终在x线摄影上表现为根管间隙部分或完全钙化。这些牙齿给牙髓治疗带来了挑战。关键的管理决策是在发现牙髓闭塞后立即进行牙髓治疗,还是等到牙髓或根尖周疾病出现症状或体征时再进行治疗。根管治疗的成功是建立在正确清创、消毒和根管系统封闭的基础上的。然而,如果牙髓间隙钙化,该手术可能很难甚至不可能实现。在这种情况下进行的根管治疗会造成牙根穿孔的风险,这是一种严重影响牙齿长期预后的并发症。本文讨论了部分或完全PCO治疗牙齿根管治疗的一系列病例,以及应用现代根管技术治疗这些病例的临床处理方法。
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引用次数: 0
Odontogenic keratocyst — A case report of silent intruder 牙源性角化囊肿-无声入侵者1例报告
Pub Date : 2022-04-15 DOI: 10.18231/j.ijmi.2022.009
K. Nitya, Vikram S. Amberkar, G. Vasupradha, M. Karthikeyan
Odontogenic Keratocyst, one of the commonly encountered cyst of odontogenic origin, was introduced by Philipsen in 1956. It is of considerable importance because of its potential for aggressive clinical behavior and recurrence. It is also found in association with Nevoid Basal Cell Carcinoma Syndrome.
牙源性角化囊肿是一种常见的牙源性囊肿,由Philipsen于1956年提出。这是相当重要的,因为它的潜在侵袭性临床行为和复发。它也被发现与痣状基底细胞癌综合征有关。
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引用次数: 0
Radiological assessment of a rare potentially lethal acute neck infection in emergency: Ludwig’s angina (A case report) 急诊罕见致死性急性颈部感染的影像学评价:Ludwig心绞痛(附1例报告)
Pub Date : 2022-04-15 DOI: 10.18231/j.ijmi.2022.008
Monika Sharma, Aastha Makkar, Anchal Sharma, Pooja Thakur, V. Gupta
Ludwig angina is a potentially lethal acute cellulitis of the floor of the mouth and neck, including submandibular, submental and sublingual spaces and ultimately leading to airway obstruction. Computed tomography (CT) of the neck with upper thorax has been used in emergency once the airway obstruction is secured to evaluate the severity of the infection, to assess any abscess and mediastinal extension. Therefore knowledge of imaging features of Ludwig’s angina is essential to ensure an accurate diagnosis and initiation of early treatment. CT also plays an important role in evaluation for need of surgical intervention. However, MRI is superior to CT because of its excellent soft tissue contrast and demonstration of various fascial compartments' involvement.
路德维希心绞痛是一种潜在致命的口腔和颈部底急性蜂窝织炎,包括下颌下、颏下和舌下间隙,最终导致气道阻塞。在紧急情况下,一旦确定气道阻塞,就会使用颈部上胸计算机断层扫描(CT)来评估感染的严重程度,评估任何脓肿和纵隔延伸。因此,了解路德维希心绞痛的影像学特征对于确保准确诊断和早期治疗至关重要。CT在评估是否需要手术干预方面也起着重要的作用。然而,MRI优于CT,因为它具有良好的软组织对比和显示各种筋膜间室的受累。
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引用次数: 1
A rare case of goldenhar syndrome 罕见的高氏综合征病例
Pub Date : 2022-04-15 DOI: 10.18231/j.ijmi.2022.007
Mamta Singaram, Praveen Ganesh Natarajan, Naryanamurthy Sundaramurthy, Alagar Raja Durairaj
Goldenhar syndrome is a rare congenital deformity involving a classical triad of auricular and ocular defects with hemifacialmicrosomia. Its etiology is unknown and various hypotheses have been highlighted in this article. The syndrome is often overlooked since it shares many distinctive features with other similar syndrome. This article highlights the features of Goldenhar syndrome and also discusses on the variant of this syndrome. Cleft palate is also an associated feature and the management of this two year old child is presented in detail in this article.
Goldenhar综合征是一种罕见的先天性畸形,涉及典型的耳部和眼部缺陷三联征,并伴有半面小畸形。其病因不明,各种假说已在文章中强调。这种综合征经常被忽视,因为它与其他类似综合征有许多独特的特征。本文着重介绍了高氏综合征的特点,并对其变型进行了探讨。腭裂也是一种相关特征,本文将详细介绍这两岁儿童的治疗方法。
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引用次数: 0
Bilateral bifid canines in mandible: A CBCT study of a rare case 下颌骨双侧双裂犬:一罕见病例的CBCT研究
Pub Date : 2022-04-15 DOI: 10.18231/j.ijmi.2022.006
Hemant Sawhney, J. Kumar, R. Mishra, Anka Sharma, Vanshika Agarwal
Developmental disturbances such as change in tooth shape, size and number are recognized conditions. One such anomaly is supernumerary root. The condition is more common in molars than in anterior teeth. The studies have however shown the variation in the morphology of single rooted mandibular canine. Adding to the literature is this case report which presents impacted mandibular canine with two roots and root canals using CBCT. The awareness of these variations through varying research materials is a must. The success of treatment depends on internal and external anatomy of tooth as well. Thereby, lack of knowledge of these anatomical aberrations could lead to failure of treatment, especially endodontic treatment. Proper pre operative imaging and interpretation is a key to hike success rates with anatomical complexities and variabilities.
发育障碍,如牙齿形状,大小和数量的变化是公认的条件。其中一个异常现象是多余根。这种情况在磨牙中比在前牙中更常见。然而,研究表明单根下颌犬齿的形态存在差异。增加文献是这个病例报告,提出下颌犬牙阻生双根和根管使用CBCT。必须通过不同的研究材料了解这些变化。治疗的成功与否还取决于牙齿的内外解剖结构。因此,缺乏对这些解剖畸变的认识可能导致治疗失败,特别是牙髓治疗。在解剖结构复杂多变的情况下,正确的术前成像和解释是提高手术成功率的关键。
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引用次数: 0
Reconstruction of large ameloblastoma crossing midline with free fibula flap- A case report 游离腓骨皮瓣重建跨越中线的大成釉细胞瘤1例
Pub Date : 2022-04-15 DOI: 10.18231/j.ijmi.2022.005
Asmita Y Lade, Harish Saluja, Shivani Sachdeva, Seemit Shah
Ameloblastoma is the second most common odontogenic tumor of the oral cavity with the primary site being the mandible. It affects more the mandible than the maxilla. The most common complaint is a painless swelling over the mandibular area. Despite its benign nature, ameloblastoma has a high local recurrence rate, with the most recurrences seen within 5 years after operation. Biopsy and radiological evaluation is mandatory. Although this tumor is benign, because of its behavior it is locally aggressive and requires the most often surgical resection. In our case, a male 36-year old reported with ameloblastoma crossing the mid- line. Ameloblastoma was confirmed on radiographic and biopsy report. The lesions crossing the mid-line made the reconstruction more challenging. As taking into consideration the advantages of free fibula flap, our reconstruction was planned using the same flap.
成釉细胞瘤是口腔中第二常见的牙源性肿瘤,原发部位在下颌骨。它对下颌骨的影响大于对上颌骨的影响。最常见的症状是下颌骨无痛性肿胀。尽管成釉细胞瘤是良性的,但其局部复发率很高,术后5年内复发率最高。活检和放射学评估是强制性的。虽然这种肿瘤是良性的,但由于它的行为,它是局部侵袭性的,通常需要手术切除。在我们的病例中,一位36岁的男性报告了成釉细胞瘤越过中线。成釉细胞瘤经影像学及活检证实。跨越中线的病变使重建更具挑战性。考虑到游离腓骨皮瓣的优点,我们的重建计划使用相同的皮瓣。
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引用次数: 0
A literature review on etiology and clinical management of disorders of temporomandibular joint 颞下颌关节疾病的病因及临床治疗的文献综述
Pub Date : 2022-04-15 DOI: 10.18231/j.ijmi.2022.003
Sheikh Yasir Islam, A. ul Haq, Deeksha Bansal, R. Kapoor, Sakshi Khajuria, Dania Fatima
Disorders of temporomandibular joints falls in the category of degenerative musculoskel et al. conditions of the joints that are associated with the deformation in the form of function as well as morphology of the temporomandibular joint. It requires different diagnostic modalities for the diagnosis of the disorders of the temporomandibular joint. And for the treatment plan it requires specific and customized treatment plan according to the signs and symptoms of the patient. Literature stated that out of total population 25 % of the population is affected by the disorder of temporomandibular joint.
颞下颌关节疾病属于退行性肌肉骨骼等关节状况,与颞下颌关节的功能和形态形式的变形有关。它需要不同的诊断方式来诊断颞下颌关节紊乱。对于治疗方案,需要根据患者的体征和症状制定具体的、定制的治疗方案。文献表明,总人口中有25%的人受到颞下颌关节紊乱的影响。
{"title":"A literature review on etiology and clinical management of disorders of temporomandibular joint","authors":"Sheikh Yasir Islam, A. ul Haq, Deeksha Bansal, R. Kapoor, Sakshi Khajuria, Dania Fatima","doi":"10.18231/j.ijmi.2022.003","DOIUrl":"https://doi.org/10.18231/j.ijmi.2022.003","url":null,"abstract":"Disorders of temporomandibular joints falls in the category of degenerative musculoskel et al. conditions of the joints that are associated with the deformation in the form of function as well as morphology of the temporomandibular joint. It requires different diagnostic modalities for the diagnosis of the disorders of the temporomandibular joint. And for the treatment plan it requires specific and customized treatment plan according to the signs and symptoms of the patient. Literature stated that out of total population 25 % of the population is affected by the disorder of temporomandibular joint.","PeriodicalId":282949,"journal":{"name":"IP International Journal of Maxillofacial Imaging","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125124642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
IP International Journal of Maxillofacial Imaging
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