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Knowledge, attitude, and awareness regarding dental implants among patients visiting a university hospital and its teaching districts 访问大学医院及其教学区的患者对种植牙的知识、态度和意识
Pub Date : 2016-07-01 DOI: 10.4103/JDI.JDI_22_16
P. Suwal, B. Basnet, Bidhan Shrestha, P. Parajuli, R. Singh
Introduction: Dental implants are considered one of the best treatment options for completely or partially edentulous patients. But due to lack of knowledge and education many patients especially in the region of underdeveloped or developing countries do not opt for this. In current study the knowledge, attitude and awareness about dental implants was studied in a referral center and its outreach centers in Nepal. Purpose: To determine the status of knowledge, attitude and awareness about dental implants in a tertiary care hospital and its outreach centers. Materials and Methods: 192 patients were asked about dental implants using a standard questionnaire. Their response were recorded and analyzed statistically. Results: Among the respondents 52.6% were aware of implant therapy, however in specific knowledge only 24.5% could attribute the jaw as site for implant placement. It was also found that rather than dental professionals (17.7%), friends and acquaintances (30.2%) play a role in awareness. Conclusion: Within the limitations of this study limited knowledge and awareness about dental implants was noticed and role of dentists for the information is lacking in our part of world.
简介:种植牙被认为是完全或部分无牙患者的最佳治疗选择之一。但是由于缺乏知识和教育,特别是在不发达国家或发展中国家的许多患者不选择这种方法。在目前的研究中,在尼泊尔的一个转诊中心及其外展中心研究了种植牙的知识、态度和意识。目的:了解某三级医院及其外展中心对种植牙的认知、态度和意识状况。材料与方法:采用标准问卷对192例患者进行口腔种植体的调查。他们的反应被记录下来并进行统计分析。结果:52.6%的受访者了解种植体的治疗方法,但在具体知识方面,只有24.5%的人知道下颌是种植体的位置。研究还发现,朋友和熟人(30.2%)比牙科专业人员(17.7%)更能提高人们的认识。结论:在本研究的范围内,人们对种植体的了解和认识有限,牙医的作用也很有限,因为我们的世界缺乏这方面的信息。
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引用次数: 20
Current trends in surface textures of implants 植入体表面结构的最新趋势
Pub Date : 2016-07-01 DOI: 10.4103/0974-6781.202160
D. Prasad, A. Swaminathan
Success of implant technology is due to several other factors such as biologic factors, local factors, and clinician and implant-related factors. Dental implant surface technologies have evolved rapidly in the recent times to enhance the bone formation on their surface. Following the placement of the implant, there is a predictable sequence of bone turnover and replacement at the interface that allows the newly formed bone to adapt to the implant surface. Chemical composition of the implant surface can differ markedly due to manufacturing, finishing, thermal treatment, blasting, etching, coatings, and even sterilization procedures. Based on these considerations, a careful control of implant surface composition becomes a relevant procedure to produce high-quality devices. This paper reviews the impact of various macrotopographical, microtopographical, and nanotopographical features at various stages of osseointegration and gauges the relative merits of various current innovations to the surface topography of titanium endosseous implants.
种植体技术的成功是由于其他几个因素,如生物因素、局部因素、临床医生和种植体相关因素。近年来,种植体表面技术迅速发展,以增强种植体表面的骨形成。植入种植体后,在界面处有一个可预测的骨转换和替换序列,使新形成的骨适应种植体表面。由于制造、精加工、热处理、喷砂、蚀刻、涂层甚至灭菌程序,植入物表面的化学成分可能会有显著差异。基于这些考虑,仔细控制种植体表面成分成为生产高质量设备的相关程序。本文综述了各种宏观形貌、微观形貌和纳米形貌特征在骨整合的各个阶段的影响,并衡量了目前各种创新对钛骨内种植体表面形貌的相对优点。
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引用次数: 6
Rapid implant solutions:Immediate protocols, is it always predictable? 快速植入解决方案:即时方案,总是可预测的吗?
Pub Date : 2016-07-01 DOI: 10.4103/JDI.JDI_6_17
S. Shetty
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引用次数: 0
Treatment of a Class II Division I malocclusion using miniscrews: A case report 使用微型支架治疗II类I类错牙合1例
Pub Date : 2016-07-01 DOI: 10.4103/0974-6781.202155
Divij Joshi
This case report describes the use of temporary anchorage devices for an 18-year-old Indian girl with a skeletal Class II malocclusion. Class II skeletal base indicating a vertical growth pattern with prognathic maxilla and orthognathic mandible in relation to the anterior cranial base, bilateral Angle's Class II molar and canine relationship with proclined and forwardly placed upper and lower incisors with an overjet of 7 mm and an overbite of 2 mm, and a convex soft tissue profile with an acute nasolabial angle and potentially competent lips. The treatment includes the extractions of the maxillary first premolars and mandibular second premolars, fixed appliance mechanotherapy, miniscrew-aided maxillary anterior retraction, and protraction of mandibular molars. The Angle's Class II Division I malocclusion, proclined upper and lower anteriors, overjet of 7 mm, and convex soft tissue profile with potentially competent lips were corrected. The crowding and rotation along with proclined incisors were corrected significantly improving patient's facial profile. The trending use of implants in orthodontics for everyday troublesome and complicated protocols is comparatively much efficient and quicker with the aids of mini-implants.
本病例报告描述了一名18岁的印度女孩骨骼II类错牙合的临时锚固装置的使用。II类骨基表明垂直生长模式,上颌前突和正颌下颌骨与前颅基相关,双侧角II类臼齿和犬齿与前倾和向前放置的上下门牙相关,覆盖面积为7毫米,覆盖咬合为2毫米,凸起的软组织轮廓具有急性鼻唇角和潜在的能力唇。治疗包括上颌第一前磨牙和下颌第二前磨牙的拔除、固定矫治器机械治疗、微型辅助上颌前缩、下颌磨牙的拔除。矫正角ⅱ类ⅰ类错颌、上、下前牙前倾、上、下牙前凸7mm、软组织轮廓凸出,具有潜在的胜任力。矫正了前倾门牙的拥挤和旋转,显著改善了患者的面部轮廓。在微型种植体的帮助下,种植体在日常麻烦和复杂的正畸治疗中相对高效和快速的使用趋势。
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引用次数: 2
A piezoelectric surgery for direct sinus lift with immediate implant placement 直接鼻窦提升即刻植入的压电手术
Pub Date : 2016-07-01 DOI: 10.4103/0974-6781.202158
G. Vidhya, Thyaneswaran Nesappan
Insufficient bone volume is a common problem encountered in the rehabilitation of the edentulous posterior maxilla with implant-supported prostheses. The bone available for implant placement may be limited by the presence of the maxillary sinus together with loss of alveolar bone height and it may be increased by augmentation. This case report presents the rehabilitation of the right maxillary molar region using direct sinus lift followed by immediate placement of the implant. It helps in reducing the treatment time and increases the patient comfort.
骨容量不足是无牙后上颌种植体修复中常见的问题。可用于种植体放置的骨可能受到上颌窦的存在以及牙槽骨高度的损失的限制,并且可能通过增加而增加。本病例报告介绍了右上颌磨牙区域的康复使用直接窦提升,然后立即放置种植体。它有助于减少治疗时间,增加病人的舒适度。
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引用次数: 5
Peri-implant disease: When ignorance is not bliss 种植体周围疾病:无知不是福
Pub Date : 2016-01-01 DOI: 10.4103/0974-6781.190379
S. Shetty
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引用次数: 0
Transposition of inferior alveolar nerve with simultaneous implant replacement 下牙槽神经移位并同时置换术
Pub Date : 2016-01-01 DOI: 10.4103/0974-6781.190386
Smita I. Musani, U. Shah, Ramandeep Dugal, D. Kaul
Implant-supported overdentures offer many advantages over conventional complete dentures. Implant placement in the atrophic mandible is complicated as the available bone is insufficient. Different therapeutic options have been proposed, most being more complicated and expensive. Nerve repositioning is an excellent alternative to augmentation procedures. [1] But it is relatively difficult, and has a huge risk of inferior alveolar nerve (IAN) damage. This report presents a case of mandibular atrophy in which the IAN repositioning was successfully performed, and the prosthodontic rehabilitation completed with implant placement and fabrication of an implant retained overdenture.
种植覆盖义齿与传统的全口义齿相比有许多优点。由于可用骨不足,在萎缩的下颌骨植入物是复杂的。人们提出了不同的治疗方案,其中大多数更为复杂和昂贵。神经复位是一个很好的替代隆胸手术。[1]但手术难度较大,且有损伤下肺泡神经(IAN)的巨大风险。本文报告了一例下颌萎缩患者,成功地进行了IAN重新定位,并通过种植体放置和种植保留覆盖义齿的制作完成了修复康复。
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引用次数: 1
Accuracy of implant impressions using various impression techniques and impression materials 使用各种印模技术和印模材料的植入物印模的准确性
Pub Date : 2016-01-01 DOI: 10.4103/0974-6781.190384
Y. R. Shankar, Sibeka Sahoo, M. Krishna, P. Kumar, T. S. Kumar, Sahil Narula
Purpose: This in vitro study was to investigate the accuracy of two kinds of impression techniques (open and closed tray) with three impression materials (polyvinylsiloxane [PVS]/polyether [PE]/vinylsiloxanether [VSE]) on angulated implants. Materials and Methods: The reference model was a stainless steel die with six analogs placed at 0°, 10°, and 20° toward the center axis. Custom acrylic trays were made on a stone model replica of the reference die. A total of sixty samples of twenty each were made under each type of impression material. Each group was divided into open and closed tray groups. Two types of splinting were carried out in the open tray: Group 1 - with floss and pattern resin and Group 2 - with a plastic rod (coffee stirrer) and resin. Impressions were poured with Type IV stone to obtain experimental casts and were evaluated for positional accuracy by coordinate measuring machine in three dimensions (X, Y, and Z). Differences in measurements were analyzed using analysis of variance and Tukey′s test. Results: The lowest mean deviation was found in casts made from open tray splinted with floss and resin. There was also a significant difference in the measurements of PVS, PE, and VSE. Conclusion: VSE impression material yielded more accurate casts than those of PVS and PE. Splinting with floss and pattern resin was found to be more accurate than stirrer and resin.
目的:探讨三种压模材料(聚乙烯硅氧烷[PVS]/聚醚[PE]/乙烯硅氧烷[VSE])在有角种植体上两种压模技术(开放式和封闭式托盘)的准确性。材料和方法:参考模型是一个不锈钢模具,有6个模拟模,分别在0°、10°和20°方向上朝向中心轴。定制的丙烯酸托盘是在参考模具的石头模型复制品上制作的。在每种类型的印模材料下,共制作了60个样品,每个样品20个。每组分为开盘组和闭盘组。两种类型的夹板在开放式托盘中进行:1组-使用牙线和图案树脂,2组-使用塑料棒(咖啡搅拌器)和树脂。用IV型石头浇铸印模以获得实验铸件,并通过坐标测量机在三维(X, Y和Z)上评估定位精度。使用方差分析和Tukey检验分析测量结果的差异。结果:用牙线和树脂夹板制作的开盘铸型平均偏差最小。PVS、PE和VSE的测量结果也有显著差异。结论:VSE印模材料比PVS和PE印模更准确。用牙线和树脂固定比用搅拌器和树脂固定更准确。
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引用次数: 16
The influence of storage media on early osseointegration of titanium implants 储存介质对钛种植体早期骨整合的影响
Pub Date : 2016-01-01 DOI: 10.4103/0974-6781.190381
H. P. Ehlers, F. J. Jacobs, H. Kloppers, T. Postma
Introduction: Marketing of implants stored in different media other than air could improve implant wettability resulting in a favorable implant bone interface with subsequent optimized early osseointegration. The effect that the different storage media, such as saline, air and argon, have on the early osseointegration of plasma treated, titanium dental implants was investigated and was compared to conventional implants stored in air, in an ovine pelvis model. 96 implants were inserted in the iliac crests of four sheep and tested for osseointegration by comparing insertion torque values and removal torque values at 4 and 6 weeks postinsertion. Twelve implants were inserted in each ovine iliac crest (24 per sheep representing six implants from each experimental group). Saline demonstrated the highest increase in torque values with argon demonstrating a linear decrease. The average percentage gain for each of the storage media at 4 weeks were plasma/air = +2%, plasma/saline = +30.4%, air = +9.6% and plasma/argon = −30.4%. The results were only statistically significant for the saline group at 4 weeks and the argon group at 2 weeks. All storage media demonstrated an initial decrease in torque value of 14.25% at 2 weeks before a strong rise in torque value could be observed. Saline as a storage media has great potential for improving early osseointegration. An interesting observation made was that the majority of the dental implants tend to demonstrate an initial decrease in osseointegration before demonstrating a strong rise in torque values. Further studies are recommended for the periods of 6 and 8 weeks after implant placement. Context: Research protocol. Aims: The purpose of the study was to compare the early osseointegration potential of plasma-enhanced implants stored in different storage mediums, to conventional implant stored in air. Settings and Design: The experiment consisted out of a comparative in vivo pilot study in which the early osseointegration potential of implants stored in four different storage media was compared. These implants were inserted in the iliac crest of four sheep, and the degree of osseointegration of the different groups was compared at 2 and 4 weeks after insertion. The osseointegration potential of the implants was evaluated by measuring and documenting the insertion torque and comparing it to the removal torque values of each implant. Subjects and Methods: A total of 96 (n = 96) dental implants (3.75 mm in diameter and 10 mm in length), including 24 plasma-enhanced dental implants stored in air; 24 plasma-enhanced dental implants stored in argon; 24 plasma-enhanced dental implants stored in saline and 24 conventional dental implants stored in air; were inserted into the iliac crests of 4 sheep. The insertion torque values were measured and documented on insertion. Two sheep were euthanized after a period of 2 weeks postinsertion, and the maximum removal torque value of each implant was measured and documented. Th
简介:将种植体储存在不同的介质中,而不是空气中,可以改善种植体的润湿性,从而形成良好的种植体骨界面,随后优化早期骨整合。在羊骨盆模型中,研究了不同的储存介质,如生理盐水、空气和氩气对等离子体处理的钛牙种植体早期骨整合的影响,并与传统的空气储存种植体进行了比较。将96个植入物植入4只羊的髂嵴,通过比较植入后4周和6周的植入扭矩值和移除扭矩值来测试骨整合情况。每只羊髂骨植入12个植入物(每只羊24个,每个实验组6个植入物)。盐水表现出最大的扭矩值增加,氩气表现出线性下降。4周时每种储存介质的平均百分比增益为:血浆/空气= +2%,血浆/生理盐水= +30.4%,空气= +9.6%,血浆/氩气=−30.4%。结果仅在4周时生理盐水组和2周时氩气组有统计学意义。2周后,所有存储介质的扭矩值都出现了初始下降14.25%的现象,之后扭矩值出现了明显的上升。生理盐水作为一种储存介质,在改善早期骨融合方面具有很大的潜力。一个有趣的观察结果是,大多数牙种植体在表现出扭矩值的强劲上升之前,往往会表现出骨整合的初始降低。建议在植入后6至8周进行进一步研究。背景:研究方案。目的:本研究的目的是比较储存在不同储存介质中的等离子体增强种植体与储存在空气中的传统种植体的早期骨整合潜力。设置和设计:实验包括一个比较体内的初步研究,其中比较了四种不同储存介质中种植体的早期骨整合潜力。将这些植入物植入4只羊的髂骨,并在植入后2周和4周比较不同组的骨整合程度。通过测量和记录植入扭矩并将其与每个种植体的移除扭矩值进行比较,评估种植体的骨整合潜力。研究对象和方法:96个种植体(直径3.75 mm,长10 mm),其中24个为空气保存的等离子体增强种植体;24颗等离子体增强牙种植体存放在氩气中;24颗等离子体增强种植体保存在生理盐水中,24颗常规种植体保存在空气中;将其插入4只羊的髂嵴。在插入时测量并记录插入扭矩值。2只羊在植入2周后安乐死,测量并记录每个植入物的最大移除扭矩值。其余两只羊在植入后4周安乐死,测量并记录每个植入物的最大移除扭矩。然后比较植入时、植入2周后和植入4周后测量的扭矩值,并用于确定骨整合水平以及进一步骨整合的潜力。统计学分析方法:采用比较图形分析。P < 0.05具有决定性意义。结果:生理盐水显示出最大的扭矩值增加,氩气显示出线性下降。4周时每种储存介质的平均百分比增益为:血浆/空气= +2%,血浆/生理盐水= +30.4%,空气= +9.6%,血浆/氩气=−30.4%。结果仅在4周时生理盐水组和2周时空气组有统计学意义。2周后,所有存储介质的扭矩值都出现了初始下降14.25%的现象,之后扭矩值出现了明显的上升。结论:生理盐水作为一种储存介质,对早期骨融合有很大的促进作用。大多数牙种植体在表现出扭矩值的强劲上升之前,往往表现出骨整合的初始降低。建议在植入后6至8周进行进一步研究。
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引用次数: 3
Success of dental implants: Must-know prognostic factors 种植牙的成功:必须知道的预后因素
Pub Date : 2016-01-01 DOI: 10.4103/0974-6781.190387
S. Abullais, N. Alqahtani, Nitin Kudyar, N. Priyanka
Dentitions damaged by periodontal disease and dental caries often cause problems to the patients and to the dentists, at least regarding the choice of therapy. A recent trend in the replacement of missing teeth is by dental implant. The role of various factors that would affect the prognosis of dental implants should be carefully considered before attempting to rehabilitate the patients with implants. Prognosis is a prediction of probable course, duration, and outcome of a specific disease based on a general knowledge of the pathogenesis of the disease and presence of risk factors for the disease. Factors that could determine the prognosis of implants are (1) periodontally compromised patients, (2) age, (3) bone density, (4) occlusion, (5) smoking, (6) genetics, (7) systemic diseases, (8) microorganisms, (9) antibiotics, and (10) type of implants.
牙周病和龋齿造成的牙齿损伤经常给病人和牙医带来麻烦,至少在治疗的选择上是这样。最近的一种趋势是用植牙代替缺牙。在尝试种植体患者康复之前,应仔细考虑影响种植体预后的各种因素的作用。预后是基于对疾病发病机制的一般知识和疾病危险因素的存在对特定疾病的可能病程、持续时间和结果的预测。可以决定种植体预后的因素有:(1)牙周受损患者,(2)年龄,(3)骨密度,(4)咬合,(5)吸烟,(6)遗传,(7)全身性疾病,(8)微生物,(9)抗生素,(10)种植体类型。
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引用次数: 8
期刊
Journal of Dental Implants
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