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IP International Journal of Maxillofacial Imaging最新文献

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Digitalization in dentistry: An ongoing revolution shaping the future of dentistry 牙科数字化:一场正在进行的革命,塑造牙科的未来
Pub Date : 2023-04-15 DOI: 10.18231/j.ijmi.2023.001
A. Sultan
The biggest breakthrough in the field of dentistry in recent years has been the advent of digital dentistry. Digital dentistry widely refers to “Any dental technology or equipment that comprises digital or computer-regulated components in contrast to that of mechanical or electrical alone”. A significant drawback of digital dentistry are expenses involved with its implementation. Nevertheless, if the new technology lives up to expectations, it might be viewed as a benefit in the long run.
近年来,牙科领域最大的突破是数字牙科的出现。数字牙科广泛指的是“任何牙科技术或设备,包括数字或计算机调节的组件,而不是单独的机械或电气组件”。数字牙科的一个重大缺点是其实施所涉及的费用。然而,如果这项新技术不辜负人们的期望,从长远来看,它可能被视为一种好处。
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引用次数: 0
Ultrasonography as an alternative to radiographs in assessing fracture healing 超声作为评估骨折愈合的替代x线片
Pub Date : 2023-04-15 DOI: 10.18231/j.ijmi.2023.004
Dimple Sethia, Amith Hadhimane, K. Rai
To determine whether ultrasound can assess healing of bone and check the development of callus prior to conventional radiograph thereby enabling early diagnosis of delayed union or confirmation of union. Fracture healing was evaluated with ultrasonography and radiography on specific intervals until healing was complete; in 20 fracture sites. Based on the findings of ultrasonographic and radiographic scores were assigned to classify healing.18 out of 20 fracture sites had completely healed with mature callus formation at the end of 3 months while only 2 fracture sites showed delayed healing. In patients with normal healing, colour doppler ultrasound showed neovascularisation in the 1 month of healing. With time it was noticed that the depth and width of the fractured site was reducing and becoming more isoechoic with the adjacent normal bone sites. Assessment of these parameters being more evident on the USG were statistically significant when compared with OPG. Ultrasound can be considered as a useful guide in assessing fracture healing as a replacement to conventional imaging modalities such as the OPG, particularly in the early prediction of impaired fracture healing.
目的:确定超声是否能在常规x线检查之前评估骨愈合和检查骨痂的发展,从而能够早期诊断延迟愈合或确认愈合。在愈合完全之前,在特定的时间间隔内通过超声和x线检查评估骨折愈合情况;在20个骨折部位。根据超声和x线检查结果,对愈合情况进行评分。3个月后,20个骨折部位中有18个完全愈合并形成成熟的骨痂,只有2个骨折部位出现延迟愈合。在愈合正常的患者中,彩色多普勒超声显示在愈合1个月后出现新生血管。随着时间的推移,我们注意到骨折部位的深度和宽度在减少,并与邻近的正常骨部位变得更加等回声。与OPG相比,USG对这些参数的评估更明显,具有统计学意义。超声可以被认为是评估骨折愈合的有用指南,可以替代传统的成像方式,如OPG,特别是在骨折愈合受损的早期预测中。
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引用次数: 0
A giant peripheral ossifying fibroma-A case report 巨大外周骨化纤维瘤1例
Pub Date : 2023-04-15 DOI: 10.18231/j.ijmi.2023.007
Manisha Tanaji Sherkhane, Antu Kizhakethodikayil, Bindu Pekkodath, D. Devraj, L. Thomas, N. Kumar
Peripheral ossifying fibroma (POF) is a reactive lesion of the gingiva which predominantly affects women and is usually found anterior to the maxillary molars. POF is usually a fibroma of the gingiva which shows some areas of calcification or ossification. According to literature, POF is a separate clinical entity rather than a transitional form of pyogenic granuloma or irritation fibroma. Surgical excision is the treatment of choice for POF, though the recurrence has been reported in many cases. We present a case of large POF arising from alveolar mucosa in left maxillary edentulous region in 57 years old female patient.
外周骨化性纤维瘤(POF)是一种反应性的牙龈病变,主要影响女性,通常在上颌磨牙前发现。POF通常是一种牙龈纤维瘤,表现出一些钙化或骨化的区域。根据文献,POF是一个独立的临床实体,而不是化脓性肉芽肿或刺激性纤维瘤的过渡形式。手术切除是治疗POF的首选,尽管在许多病例中有复发的报道。我们报告一位57岁的女性患者,在左侧上颌无牙区发生牙槽黏膜的大面积POF。
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引用次数: 0
Phase I therapy in periodontics and periodontal regeneration: Gate to success in dentistry- A review 牙周病和牙周再生的一期治疗:牙科成功之门-综述
Pub Date : 2023-04-15 DOI: 10.18231/j.ijmi.2023.005
Shikha Parihar, D. Grover, V. Goel, Deepak Bala, K. Arora
Periodontal disease is a multifactorial inflammatory condition comprising of a complex interaction between pathogenic bacteria, environmental and acquired factors and host related factors. It is well known that to achieve successful result one must focus on eliminating the cause of disease. In this review we will be discussing most important phase in dental treatment i.e Phase I therapy because the basis of any dental problem ever seen is primarily or secondarily due To “Plaque” Hence Pahse-I Therapy.Scaling and root planning (SRP) is a conventional, non-invasive periodontal therapy and when used alone or as adjunct with other non-surgical therapeutic modalities have shown a great success in dental procedures.
牙周病是一种多因素的炎症性疾病,是病原菌、环境和后天因素以及宿主相关因素复杂相互作用的结果。众所周知,要取得成功的结果,必须把重点放在消除疾病的原因上。在这篇综述中,我们将讨论牙科治疗中最重要的阶段,即第一阶段治疗,因为所见过的任何牙齿问题的基础主要或次要是由于“菌斑”,因此第一阶段治疗。刮治和牙根规划(SRP)是一种传统的、非侵入性的牙周治疗方法,当单独使用或与其他非手术治疗方式结合使用时,在牙科手术中取得了巨大的成功。
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引用次数: 0
Comparative evaluation of linear dimensional accuracy of impressions made with different elastomeric impression materials (Polyether and Polyvinyl siloxane) in angulated and parallel implants-An invitro study 不同弹性体印模材料(聚醚和聚乙烯硅氧烷)在成角和平行植入体中的印模线性尺寸精度的比较评价——体外研究
Pub Date : 2023-04-15 DOI: 10.18231/j.ijmi.2023.003
Nirupam Paul, Jogeswar Barman, Barasha Goswami
To date no technique has been proven to guarantee a completely passive fit of implant supported prosthesis framework. Several clinical variables such as angulation of implants, impression material and technique used may affect the precision of impressions. Hence, this study is designed to evaluate and compare the dimensional accuracy of the resultant casts made from open tray implant level impressions with two different impression materials (polyvinyl siloxane and polyether) in parallel and angulated implants. The study consisted of two control groups; master model –1with parallel implants and master model –2 with angulated implants. From master model 1and master model 2, total 40 implant level open tray impressions were made using PVS and polyether impression material and impressions were poured to obtain 40 study casts. The resultant casts were divided into 4 groups (10 casts in each group), according to the impression material used (PVS or Polyether) and implant’s orientation (parallel or angulated) in the casts. All casts were evaluated for the positional accuracy of the implant by using four reference distances with the help of a profile projector. These measurements were compared to the measurements calculated on the master model, which served as a control. The variations of the mean distance values with respective control values within a group were analyzed with one samples’ t’ test at 0.05 significance level. Further the mean distance variations between the groups were analyzed with independent samples ‘t’ test to evaluate group mean variations.The impressions made in the presence of angulated implants were significantly less accurate than the ones made with parallel implants. Regarding impression material the tested polyether resulted advantageous over polivinylsiloxane impression material in terms of recording positional accuracy of implants.
到目前为止,还没有技术被证明可以保证种植体支持的假体框架完全被动配合。一些临床变量,如植入物的角度、印模材料和使用的技术可能会影响印模的精度。因此,本研究旨在评估和比较两种不同印模材料(聚氯乙烯硅氧烷和聚醚)在平行种植体和成角种植体中由开盘种植体水平印模制成的铸件的尺寸精度。该研究包括两个对照组;主模型- 1与平行植入物和主模型-2与成角植入物。从主模型1和主模型2中,使用PVS和聚醚压模材料共制作了40个种植体水平的开盘压模,并浇注了40个压模。根据所使用的压模材料(PVS或聚醚)和种植体在铸型中的方向(平行或成角),将所得铸型分为4组(每组10个铸型)。在轮廓投影仪的帮助下,通过使用四个参考距离来评估所有铸型的种植体位置准确性。将这些测量值与主模型上计算的测量值进行比较,主模型作为控制。组内平均距离值与各自控制值的变化情况采用单样本t检验,显著性水平为0.05。采用独立样本“t”检验对组间平均距离变异进行分析,评价组间平均变异。在有角度植入物的情况下,印模的准确性明显低于平行植入物的印模。关于压印材料,所测试的聚醚在记录植入物的位置准确性方面优于聚乙烯硅氧烷压印材料。
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引用次数: 0
Comparison of effectiveness of metronidazole, chlorhexidine, and lignocaine combination gel with that of zinc oxide eugenol dressing for the treatment of alveolar osteitis 甲硝唑、氯己定、利多卡因联合凝胶与氧化锌丁香酚敷料治疗牙槽骨炎的疗效比较
Pub Date : 2022-12-15 DOI: 10.18231/j.ijmi.2022.030
S. Sachdev, Kavita Wadde, Ashwini Chhapane, A. Sarda, Asha Chowdhar, Siddhesh Latke
Alveolar osteitis (AO) is the most common complication of dental extractions, especially, the mandibular third molar. Zinc oxide eugenol (ZOE) is commonly used as a surgical dressing for the treatment of AO. However, the search for better dressing materials is still underway. Therefore, the present study aims to evaluate the impact of the intra-alveolar application of Metronidazole (MN), Chlorhexidine (CHX), and Lignocaine (LC) on the treatment of alveolar osteitis and compare it with that of ZOE. A total sample of n=32 patients was randomly assigned into the experimental group treated with MN+CHX+LC combination, while the control group was treated with ZOE paste dressing. Pain, discomfort, and healing were assessed on 3-day and 2-week follow-ups. A statistically significant difference was noted in the number of individuals with pain (p=0.006) and halitosis (p=0.002) on the third day follow-up with higher number of individuals in the control group still experiencing the symptoms. By the end of two weeks, all the patients in the experimental group (n=16) had relief from pain and discomfort while they persisted in n=4 patients and halitosis was noted in n=9 patients treated with ZOE dressing. The experimental combination has a clear advantage as a medicament dressing because of its superior antibacterial and anesthetic properties over ZOE dressings. The combination reduces the time period required for healing the socket in AO, while greatly adding to the patient’s comfort and overall well-being.
牙槽骨炎(AO)是拔牙最常见的并发症,尤其是下颌第三磨牙。氧化锌丁香酚(ZOE)通常用作治疗AO的外科敷料。然而,寻找更好的包扎材料仍在进行中。因此,本研究旨在评价甲硝唑(MN)、氯己定(CHX)、利多卡因(LC)在牙槽内应用对牙槽骨炎治疗的影响,并与ZOE进行比较。随机选取n=32例患者,实验组采用MN+CHX+LC联合治疗,对照组采用ZOE膏体敷料治疗。在3天和2周的随访中评估疼痛、不适和愈合情况。在第三天的随访中,出现疼痛(p=0.006)和口臭(p=0.002)的个体数量差异有统计学意义,对照组中仍然出现症状的个体数量较多。两周后,实验组(n=16)患者疼痛和不适均缓解,4例患者持续存在,9例患者出现口臭。该实验组合作为药物敷料具有明显的优势,因为它比ZOE敷料具有更好的抗菌和麻醉性能。该组合减少了AO中愈合窝所需的时间,同时大大增加了患者的舒适度和整体健康。
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引用次数: 0
Different applications of platelet rich fibrin in dentistry: A review 富血小板纤维蛋白在牙科中的不同应用综述
Pub Date : 2022-12-15 DOI: 10.18231/j.ijmi.2022.032
Samah Bashir, Najma Banoo, A. Shah, Safeer Ahmad Malik
Platelet rich fibrin contains various growth factors with in it and it is composed of fibrin matrix. Platelet rich fibrin is a concentrate of platelets of the second generation. Platelet rich fibrin helps in reducing the process of inflammation and enhance the healing process. An ideal environment is provided by platelet rich fibrin for the process of wound healing as well as regeneration of the tissue, as they combine the properties of fibrant sealant along with the properties of the growth factors in it. Platelet rich plasma has some advantages as it is derived more easily and with economical method of preparation along with it, it also eliminates the requirement of any exogenous compound for e.g. bovine thrombin or calcium chloride during the process of fabrication.
富血小板纤维蛋白中含有多种生长因子,由纤维蛋白基质组成。富血小板纤维蛋白是第二代血小板的浓缩物。富含血小板的纤维蛋白有助于减少炎症过程,促进愈合过程。富含血小板的纤维蛋白为伤口愈合和组织再生过程提供了理想的环境,因为它们结合了纤维密封胶的特性以及其中的生长因子的特性。富血小板血浆有一些优点,因为它更容易得到,并且具有经济的制备方法,它也消除了在制造过程中对任何外源化合物的需求,例如牛凝血酶或氯化钙。
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引用次数: 0
A case report of multiple supernumerary teeth: Post-permanant dentiton or hyperactivity of dental lamina 多生牙1例:后恒牙或牙板多动
Pub Date : 2022-12-15 DOI: 10.18231/j.ijmi.2022.035
Srikanth T, Sumalatha CH, Sankeerti Mala B, Srikanth E, Gowtham P
Supplementary teeth in simple terms could be be defined as those supernumerary teeth which are well aligned in the arch resembling the normal anatomical structures of teeth. There has been evidences of supplementary premolars and molars since from beginning of the civilization. According to Darwin’s theory of evolution which stated that during the course of humans evolution the organs which do not have greater use in regular became vestigial which included the appendix, tail bone, fourth molar. Supernumerary teeth often remain asymptomatic, and only get diagnosed incidentally during a routine dental visit on radiographs. Nevertheless, various complications have been reported in literature related to supernumerary teeth such as disturbed eruption, malpositioning or rotation, root resorption of neighbouring teeth, and development of dentigerous cysts in impacted supernumeraries. Root resorption of neighbouring teeth can be radiographically diagnosed in up to 22.8% of the cases. Here we report an unusual case of multiple supernumerary teeth in a non-syndromic patient of African native.
简单来说,辅助牙可以定义为那些在牙弓中排列良好的多余牙齿,类似于正常的牙齿解剖结构。自文明开始以来,就有补充前磨牙和臼齿的证据。根据达尔文的进化论,在人类进化的过程中,没有更大用处的器官变成了退化的器官,包括阑尾,尾骨,第四臼齿。多生牙齿通常是没有症状的,只有在例行牙科检查时通过x光片偶然诊断出来。然而,文献中已经报道了与多生牙相关的各种并发症,如干扰的萌牙,错位或旋转,邻近牙齿的根吸收,以及埋伏多生牙的含牙囊肿的发展。在22.8%的病例中,邻近牙齿的根吸收可以通过x线摄影诊断出来。在这里,我们报告一个不寻常的情况下,多多余的牙齿在非综合征患者的非洲本土。
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引用次数: 0
A literature review on different diagnostic techniques used in oral and maxillofacial surgery 口腔颌面外科不同诊断技术的文献综述
Pub Date : 2022-12-15 DOI: 10.18231/j.ijmi.2022.033
Samah Bashir, S. Habib, I. Ahmad, Safeer Ahmad Malik
Radiographs are one of the most important diagnostic tools in diagnosing and treatment planning of the patient along with the clinical examination of the patient for a dental disease. There are different imaging techniques used in oral and maxillofacial surgery which are having their own significance. Normal routine diagnostic approaches used in oral and maxillofacial surgery as well as in other specialty of the dentistry are normal intra oral peri apical radiography, OPG and radio visiography. Apart from these techniques some advanced techniques can also be employed in the diagnosis and treatment planning of the dental patient, techniques such as cone beam computed tomography, magnetic resonance imaging etc. All these techniques are having their own significance of use.
x线片是诊断和治疗计划中最重要的诊断工具之一,同时也是患者牙科疾病的临床检查。在口腔颌面外科中有不同的成像技术,它们有各自的意义。口腔颌面外科以及其他牙科专业常用的常规诊断方法是正常的口腔内根尖周围x线摄影、OPG和放射显像。除了这些技术外,一些先进的技术也可以用于牙科病人的诊断和治疗计划,如锥形束计算机断层扫描、磁共振成像等技术。这些技术都有各自的使用意义。
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引用次数: 0
Mesiodens - Obvious yet unnoticed: A case report Mesiodens -明显但未被注意:一份病例报告
Pub Date : 2022-12-15 DOI: 10.18231/j.ijmi.2022.036
S. Sachdev, Y. Adhane, T. Chettiankandy, M. A. Sardar, Ashwini Chhapane
Supernumerary teeth occurring in between the central incisors are termed ‘mesiodens’ and have a prevalence rate of 3% in the Asian population.Mesiodens in seldom observed in adults with permanent dentition as most of them get extracted within the first decade or early second decade. The present case report describes mesiodens in a 32-year-old male with an emphasis on its radiological and histological aspects. Although a fairly common dental anomaly, mesiodens may present with several complications and have clinical implications in treatment. Retention of mesiodens until the fourth decade is quite unusual and is, therefore, an interesting aspect of the present case.
出现在中门牙之间的多牙被称为“中齿”,在亚洲人口中的患病率为3%。中齿牙在成人恒牙中很少被观察到,因为它们大多在第一个十岁或第二个十岁早期被拔除。本病例报告描述了32岁男性中碘化钾的放射学和组织学方面的重点。虽然是一种相当常见的牙齿异常,但中齿牙可能会出现一些并发症,并在治疗中具有临床意义。在第四个十年中保留mesiodens是非常不寻常的,因此,是本案例的一个有趣的方面。
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引用次数: 0
期刊
IP International Journal of Maxillofacial Imaging
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