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Journal articles on the topic 'Reattachment'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Miau, J. J., C. H. Chen, J. C. Tsao, and J. H. Liu. "STUDYING THE UNSTEADY, THREE-DIMENSIONAL CHARACTERISTICS OF FLOW REATTACHMENT(Separation and Reattachment)." Proceedings of the International Conference on Jets, Wakes and Separated Flows (ICJWSF) 2005 (2005): 797–801. http://dx.doi.org/10.1299/jsmeicjwsf.2005.797.

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2

Hassan, Ahmed. "Fracture tooth reattachment." International Journal of Dental Research 6, no. 1 (May 17, 2018): 35. http://dx.doi.org/10.14419/ijdr.v6i1.9636.

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Anterior teeth fractures occur daily, with the main patient demand to restore esthetically the resultant defect. There is nothing more esthetic than the tooth itself. Many techniques were described to use the fractured piece to restore this defect in case of accurate fit. The objective of this article is to summarize these techniques to give the dental practitioners the opportunity to restore the fractured tooth more conservatively and in the same time more esthetically. Also it throws light on the prevalence and etiology of tooth fracture. Frontal teeth are subjected to traumas more than other teeth in the mouth. These traumas may lead to tooth fracture with or without pulp involvement. In attempts to restore the fractured tooth in more esthetic and conservative manner, the fractured piece may be used as a restorative material. This treatment modality has gained increased popularity among dental practitioner due to the continuous development in the adhesive field. Several techniques were used. These techniques include, simple reattachment, external chamfer, over contouring, internal dentin bevel, and internal enamel bevel. All these techniques try to afford the highest fracture resistance accompanied with the least possible tooth preparation. Combination of two or more technique would result in better performance.Keywords:Bevel, bonding, reattachment, tooth fracture.

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3

Mojirade, Ajayi Deborah, Abiodun-Solanke IM Funmilayo, and Gbadebo Shakeerah Olaide. "Reattachment of Fractured Anterior Tooth: A 2-Year Review of a Case." International Journal of Prosthodontics and Restorative Dentistry 1, no. 2 (2011): 123–27. http://dx.doi.org/10.5005/jp-journals-10019-1023.

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ABSTRACT Injury to anterior teeth is a relatively common occurrence. Dentists are confronted on regular basis with dental trauma and the management. Some clinical studies have reported reattachment of fractured tooth segment using adhesive resin cement and dentine bonding agent with or without intraradicular postplacement. Reattachment of tooth fragment is simple and can provide good functional and esthetic success. Case description This article reports the reattachment of a fractured anterior tooth in a 17-year-old male patient with adhesive resin and a prefabricated metallic post. Result Evaluation at 2 years revealed good reattachment, intact post, good esthetics (even after a repeat reattachment) and good periodontal health.

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4

MARTINEZCASTILLO, V., A. ESPAX, J. GARCIAARUMI, and B. CORCOSTEGUI. "Rate of Foveal Reattachment." Ophthalmology 112, no. 5 (May 2005): 947. http://dx.doi.org/10.1016/j.ophtha.2004.11.002.

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5

Maitin, N., S. N. Maitin, K. Rastogi, and R. Bhushan. "Fracture tooth fragment reattachment." Case Reports 2013, jul12 1 (July 12, 2013): bcr2013009183. http://dx.doi.org/10.1136/bcr-2013-009183.

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6

Maitin, N., S. Maitin, K. Rastogi, and R. Bhushan. "Allogenous tooth fragment reattachment." Case Reports 2013, jul10 1 (July 10, 2013): bcr2013010298. http://dx.doi.org/10.1136/bcr-2013-010298.

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7

Page, R. H., J. Carbone, and C. Ostowari. "Radial jet reattachment force." Experiments in Fluids 8, no. 5 (February 1990): 297–98. http://dx.doi.org/10.1007/bf00187233.

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8

Sevekar, Shrirang, and H. N. Subhadra. "Reattachment of the Original Crown Fragment." Journal of Contemporary Dentistry 2, no. 1 (2012): 38–42. http://dx.doi.org/10.5005/jcd-2-1-38.

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Abstract Crown fracture is the most common type of dental injuries. One of the options of management of crown fracture is fragment reattachment, whenever intact tooth fragment is available after trauma. The fragment reattachment procedure presents a conservative, simple and esthetic alternative. This article presents two case reports of restoration of fractured maxillary central incisor using fragment reattachment.

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9

Hyun, Hyo Jin, Byung Jae Sohn, Dong Ho Park, Jae Pil Shin, and Si Yeol Kim. "Visual Prognosis and Foveal Reattachment After Reattachment Surgery in Macula-off Retinal Detachment." Journal of the Korean Ophthalmological Society 51, no. 4 (2010): 558. http://dx.doi.org/10.3341/jkos.2010.51.4.558.

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10

Alving, Amy E., and H. H. Fernholz. "Turbulence measurements around a mild separation bubble and downstream of reattachment." Journal of Fluid Mechanics 322 (September 10, 1996): 297–328. http://dx.doi.org/10.1017/s0022112096002807.

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This paper describes the behaviour of a turbulent boundary layer on a smooth, axisymmetric body exposed to an adverse pressure gradient of sufficient strength to cause a short region of mean reverse flow ('separation’). The pressure distribution is tailored such that the boundary layer reattaches and then develops in a nominally zero pressure gradient. Hot-wire and pulsed-wire measurements are presented over the separated region and downstream of reattachment. The response of the turbulence quantities to separation and to reattachment is discussed, with emphasis on the relaxation behaviour after reattachment. Over the separation bubble, the response is characteristic of that seen by other workers: the Reynolds stresses in the inner region are reduced and stress peaks develop away from the wall. At reattachment, the skewness of the fluctuating wall shear stress vanishes, as it is known to do at separation. After reattachment, the outer-layer stresses decay towards levels typical of unperturbed boundary layers. But the inner-layer relaxation is unusual. As the viscous wall stress increases downstream of reattachment, the recovery does not start at the wall and travel outward via the formation of an ‘internal’ layer, the process observed in many other relaxing flows. In fact, the inner layer responds markedly more slowly than the outer layer, even though response times are shortest near the wall. It is concluded that the large-scale, outer structures in the turbulent boundary layer survive the separation process and interfere with the regeneration of Reynolds stresses in the inner region after reattachment. This behaviour continues for at least six bubble lengths (20 boundary-layer thicknesses) after reattachment and is believed to have profound implications for our understanding of the interaction between inner and outer layers in turbulent boundary layers.

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11

Chao, Yei-Chin, Tzu-Wei Chang, and Yu-Pei Chan. "The Reattachment Process of a Lifted Jet Diffusion Flame by Repetitive DC Pulse Discharges." Processes 9, no. 3 (March 17, 2021): 534. http://dx.doi.org/10.3390/pr9030534.

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On research of plasma assisted combustion, effects of electric and plasma discharges in DC, AC and pulse forms on reattachment of a lifted flame have attracted extensive attention. However, the detailed plasma assisted reattachment process and mechanism and roles of induced corona discharge and corona-induced ozone on the reattachment process are still unclear and undocumented. The forced reattachment process of a lifted diffusion jet flame by repetitive DC electric pulse discharges was experimentally investigated in this study using high-speed flame imaging, conditioned particle image velocimetry (PIV), and planar ozone concentration imaging. The forced reattachment process can be divided into three stages in sequence: ionic wind prior to corona initiation, corona initiation, and corona enhancement propagation. The conditioned PIV results showed that the instantaneous flame base propagation velocity is sufficiently enhanced beyond the laminar burning velocity for high pulse-repetition-frequency (PRF) cases at the instant of pulse discharge (on pulse) due to the enhanced oxidation of the corona induced ozone. By observing the dynamic flame-base behavior and evolution characteristics of the short-lived corona induced ozone for various PRFs, the novel forced reattachment process and mechanism of a lifted jet flame induced by repetitive DC electric pulse discharges is proposed.

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12

Agarwal, Lalit, and Nisha Agrawal. "Outcome of Non-drainage Scleral Buckling in Primary Rhegmatogenous Retinal Detachment." Nepalese Journal of Ophthalmology 13, no. 1 (January 1, 2021): 65–72. http://dx.doi.org/10.3126/nepjoph.v13i1.28767.

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Introduction: Scleral buckling (SB) was the principal surgical intervention for patients with rhegmatogenous retinal detachment (RRD) until the development of pars plana vitrectomy. The study aims to evaluate the outcome of SB without subretinal fluid (SRF) drainage in RRD. Materials and methods: A retrospective observational study was conducted at a tertiary eye care center. Charts of patients operated with SB without SRF drainage for RRD between January 2014 and December 2015 were evaluated. The main outcome measure was the primary reattachment rate at 1 month after single SB surgery. Other outcome measures were final reattachment rate after further intervention, visual improvement and relation of various parameters with retinal reattachment. Results: One hundred and seventeen patients were included of which 90 (76.9%) were men. Mean age was 26.68±12.6 years (Range 9-60). All eyes were phakic. Only 1 patient had a macula on RD. The primary reattachment rate was 84.6% (n=99). Mean LogMAR (±SD) visual acuity (VA) improved from 1.92(±0.46) to 1.02(±0.42). Extent of RD, number of breaks, and type of break was found to have no association with retinal reattachment. Association between type of PVR and status of retina post buckling was found to be significant (p=0.026) with retinal reattachment seen in 100% in PVR-A and only 60% in PVR-C2. Final reattachment rate was 98.2%. Complications encountered were postoperative diplopia (n=1), suture granuloma (n=1) and buckle infection (n=2). Conclusion: Scleral buckling without SRF drainage, an exclusively extra ocular procedure, is an effective and safe treatment modality for non-complicated RRD.

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13

Bajaj, Meghna, P. Poornima, and Nitika Lobo. "Treatment regime for crown fractures: Autogenous tooth fragment reattachment – A case series." CODS Journal of Dentistry 7, no. 2 (2015): 96–99. http://dx.doi.org/10.5005/cods-7-2-96.

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Abstract Maxillary crown fractures are most common form of traumatic dental injuries that mainly affect the maxillary central incisors, in children and teenagers. The improvement in adhesive dentistry has allowed dentists to use the patient's own fragment to restore the fractured tooth, if the fragment is available. Reattachment is such an ultraconservative and advanced technique which provides safe, fast, and aesthetically pleasing results with immediate restoration of function and phonetics. This article describes few cases in which fragment reattachment was done using different combination of techniques viz. simple reattachment, circumferential bevel and internal dentinal groove. How to cite this article Nagaveni N. B, Bajaj M, Lobo N, Poornima P. Treatment regime for crown fractures: Autogenous tooth fragment reattachment - A Case Series. CODS J Dent 2015;7: 96-99.

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14

Barber, Kevin M., Aaron Pinero, and George A. Truskey. "Effects of recirculating flow on U-937 cell adhesion to human umbilical vein endothelial cells." American Journal of Physiology-Heart and Circulatory Physiology 275, no. 2 (August 1, 1998): H591—H599. http://dx.doi.org/10.1152/ajpheart.1998.275.2.h591.

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We used a sudden-expansion flow chamber to examine U-937 cell adhesion to unactivated and tumor necrosis factor (TNF)-α-activated human umbilical vein endothelial cells (HUVEC) in recirculating flow. For both unactivated and TNF-α-activated HUVEC, U-937 cells exhibited transient arrests within ∼150 μm of flow reattachment. Few arrests occurred directly at the reattachment site. U-937 cell rolling was not observed. At all other locations within the recirculation zone, U-937 cells did not exhibit transient arrests or rolling. TNF-α activation increased the frequency of U-937 cell arrests near reattachment but did not change the median arrest duration. Numerically simulated cell trajectories failed to predict attachment near the reattachment point. Deviations between experiment and theory may result from the nonspherical shape and deformability of U-937 cells. These results demonstrate that U-937 cell transient arrests occur preferentially in the vicinity of the reattachment point in recirculating flow. Possible mechanisms for adhesion include low shear stress, curved streamlines, fluid velocity components normal to the endothelium, and formation of larger contact areas.

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15

Qingfu, Xia, and Liu Zhiping. "Study on Flow Reattachment Length." Procedia Engineering 28 (2012): 527–33. http://dx.doi.org/10.1016/j.proeng.2012.01.763.

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16

James, D. L., J. a. Castleberry, and J. Y. Pak. "Pulsed radial jet reattachment nozzle." International Journal of Heat and Mass Transfer 42, no. 15 (August 1999): 2921–33. http://dx.doi.org/10.1016/s0017-9310(98)00359-7.

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17

Kalus, Ram. "Successful Bilateral Composite Ear Reattachment." Plastic and Reconstructive Surgery Global Open 2, no. 6 (June 2014): e174. http://dx.doi.org/10.1097/gox.0000000000000123.

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18

Hosalkar, Harish S., Eric S. Varley, Diana Glaser, Christine L. Farnsworth, James D. Bomar, and Dennis R. Wenger. "Isocentric Reattachment of Ligamentum Teres." Journal of Pediatric Orthopaedics 31, no. 8 (December 2011): 847–52. http://dx.doi.org/10.1097/bpo.0b013e31822e0276.

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19

Ahmed, A. "Topology of radial jet reattachment." Experiments in Fluids 14, no. 3 (January 1993): 178–80. http://dx.doi.org/10.1007/bf00189508.

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20

Chu, Wenping, and Yang Song. "Study on Dynamic Interaction of Railway Pantograph–Catenary Including Reattachment Momentum Impact." Vibration 3, no. 1 (February 11, 2020): 18–33. http://dx.doi.org/10.3390/vibration3010003.

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The pantograph–catenary system is responsible for the electric transmission to the locomotive via the sliding contact between the pantograph head and the contact wire. The separation of the pantograph head from the contact wire is the main source of arcing, which challenges the normal operation of an electrified railway. To properly describe the contact loss procedure using simulation tools, a mathematical model of the reattachment momentum impact between the pantograph head and the contact wire is proposed in this paper. The Euler–Bernoulli beam is adopted to model the contact and messenger wires, which are connected by lumped mass-spring droppers. The Lagrange multiplier method is utilised to describe the contact between the pantograph head and the contact wire. The momentum impact generated during the reattachment process is derived based on the principle of momentum conservation. Through several numerical simulations, the contact wire uplift and the contact force are evaluated with the reattachment impact. The analysis result indicated that the velocities of the contact wire and the pantograph head experience a sudden jump at the time instant of reattachment, which leads to a sudden increase of the contact force. When the reattachment impact is included, the maximum value and the standard deviation of contact forces show a significant increase. The effect of reattachment impact is more significant with the increase of the pantograph mass and stiffness.

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21

Isomoto, K., and S. Honami. "The Effect of Inlet Turbulence Intensity on the Reattachment Process Over a Backward-Facing Step." Journal of Fluids Engineering 111, no. 1 (March 1, 1989): 87–92. http://dx.doi.org/10.1115/1.3243604.

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Behavior of a separated shear layer over a backward-facing step and its reattachment is presented when a two-dimensional cavity or rod is installed upstream of the step in order to change local turbulence intensity in addition to grid turbulence in the free-stream. The reattachment length has a strong negative correlation with maximum turbulence intensity near the wall at the separation point. Turbulence in the entrainment region immediately downstream of the step plays an important role in determining the reattachment length.

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22

Setoguchi, Daisuke, Koichi Kinoshita, Tetsuro Ishimatsu, Satohiro Ishii, and Takuaki Yamamoto. "The short external rotators dissection during the posterior approach in total hip arthroplasty did not change the blood flow." HIP International 30, no. 6 (July 11, 2019): 718–24. http://dx.doi.org/10.1177/1120700019864077.

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Objectives: The posterior approach in total hip arthroplasty (THA) often requires dissection of the short external rotators (SERs), which could increase the postoperative dislocation rate. The reattachment of the dissected SERs has been reported to reduce the dislocation rate, while such repair generally causes progression of muscle atrophy. 1 of the suggested causes of atrophy is reduced blood flow to the repaired SERs. The present study aimed to measure the blood flow of the SERs before dissection (pre-tenotomy) and after reattachment (post-reattachment) during the posterior approach in THA. Methods: This prospective study included 26 patients who underwent THA via the posterior approach. A laser-Doppler rheometer was used to measure the blood flow in the following SERs at the time of pre-tenotomy and post-reattachment: the piriformis muscle (PM), superior gemellus (SG), inferior gemellus (IG), obturator internus (OI), and subcutaneous tissue as a control. Results: The average pre-tenotomy and post-reattachment blood flows (mL/minutes/100 g) were: 1.90 ± 0.28 and 1.92 ± 0.40 in the PM, 1.94 ± 0.20 and 1.99 ± 0.39 in the SG, 1.91 ± 0.21 and 1.94 ± 0.30 in the IG, 1.93 ± 0.22 and 1.98 ± 0.36 in the OI, and 1.94 ± 0.24 and 1.87 ± 0.38 in the subcutaneous tissue. The pre-tenotomy and post-reattachment blood flows did not show significant difference in any muscle. Conclusions: Laser-Doppler blood flow measurements showed that the blood flow is preserved, even when the SERs are dissected and reattached in THA via the posterior approach.

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23

Kararia, Nitin, Ajay Chaudhary, and Vandana Kararia. "Tooth Fragment Reattachment: An Esthetic, Biological Restoration." World Journal of Dentistry 3, no. 1 (2012): 91–94. http://dx.doi.org/10.5005/jp-journals-10015-1134.

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ABSTRACT Coronal fractures of the anterior teeth are a common form of dental trauma. If the original tooth fragment is retained following fracture, reattachment of the fractured fragment to the remaining tooth can provide better and long-lasting esthetics, improved function, a positive psychological response and is a faster and less complicated procedure. This paper reports on two coronal tooth fracture cases that were successfully treated using adhesive reattachment technique. How to cite this article Kararia N, Chaudhary A, Kararia V. Tooth Fragment Reattachment: An Esthetic, Biological Restoration. World J Dent 2012;3(1):91-94.

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24

Karre, Dhanalaxmi, Mahesh Kumar duddu, Silla Swarna Swathi, Abdul Habeeb Bin Mohsin, Bhogavaram Bharadwaj, and Sheraz Barshaik. "Conservative Vertical Groove Technique for Tooth Rehabilitation: 3-Year Follow-Up." Case Reports in Dentistry 2018 (2018): 1–4. http://dx.doi.org/10.1155/2018/2012578.

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Reattachment of tooth fragment is a simple, conservative, and noninvasive procedure, and it is the most currently acceptable treatment option. This article presents management of two accidentally damaged maxillary incisors using direct composite resin restoration and fractured tooth fragment. With the advancements in adhesive dentistry, tooth fragment reattachment procedure has become simpler and clinically reliable. The present paper is a report of 3-year follow-up of coronally fractured tooth treated with a very conservative technique of tooth fragment reattachment using vertical groove preparation and reinforcement with fiber post.

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25

Akkareddy, Basavaprabhu, Shantanu Choudhari, Sadanand Kulkarni, and Sudesh Kataria. "Fractured Maxillary Central Incisor Restoration with Fragment Reattachment: A 2 Year Follow-up Case Report." Journal of Oral Health and Community Dentistry 4, no. 1 (January 2010): 22–25. http://dx.doi.org/10.5005/johcd-4-1-22.

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ABSTRACT Injury to anterior teeth is a relatively common event. Dentists are confronted with managing dental trauma and restoring fractured teeth on a regular basis. Hence the technique that speed and simplify treatment, restore esthetics and improve long term success rate are therefore of potential value and should be considered. If an intact tooth fragment is present after trauma, the incisal edge reattachment procedure presents a conservative, simple and esthetic alternative. Clinical trials have reported that reattachment using modern dentine bonding agents and resin system may achieve a functional and esthetic success. This article presents with a case report of restoration of fractured maxillary central incisor using fragment reattachment in a 12 year old child. The reattachment was carried out using resin cement followed by additional chamfer on buccal surface which was restored with resin composite. The reattached fragment was found to be intact at a 2 year follow-up visit.

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26

Karthikeyani, Shanmugasundaram, Velliangattur Ramasamy Thirumurthy, and Yuvaraja Bindhoo. "Reattachment of Fractured Mandibular Incisor using Fiber-reinforced Post in a 12-year-old Patient: A 3-year Follow-up." International Journal of Prosthodontics and Restorative Dentistry 5, no. 3 (2015): 86–89. http://dx.doi.org/10.5005/jp-journals-10019-1136.

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ABSTRACT The incidence of coronal fractures from traumatic injuries is high in school children and causes serious functional, esthetic and psychological problems. Dentists are confronted on a regular basis with their management. Reattachment of a fractured fragment, though not a new technique, is gaining interest as a treatment option. This is due to its advantages over other techniques and advancements in adhesive dentistry. This manuscript presents a 3-year follow-up of a case of complicated permanent mandibular central incisor fracture (no cases reported in literature), that was successfully treated by fragment reattachment using a fiber-reinforced post and discusses the factors affecting the success of reattachment technique. How to cite this article Karthikeyani S, Thirumurthy VR, Bindhoo Y. Reattachment of Fractured Mandibular Incisor using Fiber-reinforced Post in a 12-year-old Patient: A 3-year Follow-up. Int J Prosthodont Restor Dent 2015;5(3):86-89.

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27

Deuchler, Svenja, Pankaj Singh, Michael Müller, Thomas Kohnen, Hanns Ackermann, Joerg Iwanczuk, Rachid Benjilali, and Frank Koch. "Dealings between Cataract and Retinal Reattachment Surgery in PVR." Journal of Ophthalmology 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/2384312.

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Introduction. To evaluate the impact of the eye lens status and oil side effects on the outcome of vitreoretinal surgery in retinal detachment with proliferative vitreoretinopathy (PVR) and a temporary silicone oil tamponade (SOT).Methods. 101 eyes were analyzed retrospectively and 103 eyes prospectively in regard to their retinal reattachment success rate and key factors for the outcome. Subgroup analysis of 27 eyes with Scheimpflug lens photography (SLP) before and after retinal reattachment service with SOT was performed. For SLP (65% phakic eyes) a Pentacam densitometry reference body with 3 mm diameter was chosen and 3 segments (anterior/mid/posterior) were evaluated separately after a quality check.Results. The retinal reattachment rate was highest in the prospective pseudophakic group (p=0.039). Lens transparency loss occurred earlier in middle aged patients than in younger patients. Besides the nucleus, layers posterior and anterior to it showed specific transparency changes. The emulsification rate was higher when eyes had been operated on in the anterior chamber before retinal reattachment service.Conclusions. Retinal reattachment surgery seems to benefit from preoperative cataract removal. We found significant lens changes in the nucleus as well as in the layers anterior and posterior to it. This corresponds to the histology of the lens epithelium published before.

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28

Agarwal, N. K. "Mean Separation and Reattachment in Turbulent Pipe Flow Due to an Orifice Plate." Journal of Fluids Engineering 116, no. 2 (June 1, 1994): 373–76. http://dx.doi.org/10.1115/1.2910284.

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The mean flow in a pipe with turbulent separated flow due to an orifice plate is experimentally studied. Measurements of time-mean length of separation and reattachment regions, made using a surface fence gauge are presented for a range of orifice sizes. In a limited range of Reynolds number (based on orifice radial height) 3 × 104 to 7.3 × 104 studied, reattachment point location decreased from 12 to 9 step heights. The lengths of separation and reattachment regions are a function of orifice size and the Reynolds number based on the radial height of the orifice plate.

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29

Sonnentag, Sabine, Kathrin Eck, Charlotte Fritz, and Jana Kühnel. "Morning Reattachment to Work and Work Engagement During the Day: A Look at Day-Level Mediators." Journal of Management 46, no. 8 (March 12, 2019): 1408–35. http://dx.doi.org/10.1177/0149206319829823.

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Reattachment to work (i.e., rebuilding a mental connection to work) before actually starting work is important for work engagement during the day. Building on motivated action theory, this study examines anticipated task focus, positive affect, and job resources (job control and social support) as mediators that translate reattachment in the morning into work engagement during the day. We collected daily-survey data from 151 employees (total of 620 days) and analyzed these data with a multilevel path model. We found that day-level reattachment to work in the morning predicted anticipated task focus, positive affect, social support, and job control through goal activation and that anticipated task focus, positive affect, social support, and job control predicted work engagement during the day. This study points to the important role of reattachment to work in employee experiences and behaviors throughout the workday and specifically highlights the benefits of such initial mental boundary crossing between life domains for employee engagement at work.

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30

Yadav, Kusum, and Manu Rathee. "Reorienting Smile: A Biological Approach." World Journal of Dentistry 5, no. 4 (2014): 240–42. http://dx.doi.org/10.5005/jp-journals-10015-1298.

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ABSTRACT Tooth fragment reattachment offers a conservative, esthetic, and cost-effective restorative option that has been shown to be an acceptable alternative to the restoration of the fractured tooth with resin-based composite or full-coverage crown. Reattachment of intact natural tooth fragment is advantageous compared to crowns since color, morphology, translucency can be retained and treatment is immediate. This article describes a technique for the adhesive reattachment of an intentionally sliced central incisor with the goal of maximum esthetics in minimum time. How to cite this article Yadav K, Rathee M. Reorienting Smile: A Biological Approach. World J Dent 2014;5(4):240-242.

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31

Panaras, Argyris G. "Pressure pulses generated by the interaction of a discrete vortex with an edge." Journal of Fluid Mechanics 154 (May 1985): 445–61. http://dx.doi.org/10.1017/s0022112085001616.

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A central role in the mechanism of the self-sustained oscillations of the flow about cavity-type bodies is played by the reattachment edge. Experimentally it has been found that periodic pressure pulses generated on this edge are fed back to the origin of the shear layer and cause the production of discrete vortices. The oscillations have been found to be suppressed or attenuated when the edge has the shape of a ramp of small angle, or when it is properly rounded. To clarify the role of the shape of the reattachment edge in the mechanism of the oscillations, a mathematical model is developed for the vortex–edge interaction. In this model the interaction of one discrete vortex, imbedded within a constant-speed parallel flow, with the reattachment edge is studied. Two typical shapes of the reattachment edge are examined; a ramp of variable angle and an ellipse. The main conclusion of the present analysis is the strong dependence of the pressure pulses, that are induced on the surface of the edge, on the specific shape of the edge. The pressure pulses on reattachment edges with shapes that give rise to steady flows have been found to be of insignificant amplitude. On the other hand, when the reattachment edge has a shape that is known to result in oscillating flow, the induced pressure pulses are of very large amplitude. Intermediate values of the pressure are found for configurations known to stabilize partially the flow. The present results indicate that, for the establishment of the oscillation, the feedback force generated by the vortex–edge interaction must have an appropriate value. The feedback force may be eliminated if the shape of the lip of the edge is properly designed.

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32

Kuwahara, Yoshiyuki, Koshi N. Kishimoto, Yoshiaki Itoigawa, Hiroshi Okuno, Taku Hatta, Gaku Matsuzawa, and Eiji Itoi. "Fatty degeneration and wnt10b expression in the supraspinatus muscle after surgical repair of torn rotator cuff tendon." Journal of Orthopaedic Surgery 27, no. 3 (August 5, 2019): 230949901986481. http://dx.doi.org/10.1177/2309499019864817.

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Purpose: In the torn rotator cuff muscles, decreased expression of wnt10b prior to elevation of peroxisome proliferator-activated receptor γ (PPARγ) and CCAAT/enhancer-binding protein α (C/EBPα) has previously been reported. The purpose of this study is to elucidate the expression profiles of these adipogenesis-related genes after rotator cuff detachment and reattachment in a rabbit model. Methods: We investigated gene expression profiles of PPARγ, C/EBPα, and wnt10b in different parts of rabbit supraspinatus (SSP) muscle after tendon detachment ( n = 6 for each time point). In addition, we assessed expression of the same genes after SSP reattachment with different intervals from initial detachment ( n = 6). Fatty degeneration of the SSP muscle was examined by Oil red-O staining. Gene expression profiles were examined by quantitative real-time polymerase chain reaction. Results: After SSP detachment, Oil red-O-positive oil deposits increased after 3 weeks. In the SSP reattachment model, numerous Oil red-O-positive cells were present at 5-week reattachment, following 2- and 3-week detachment. PPARγ and C/EBPα messenger ribonucleic acid expression exhibited a significant increase at 2 and 3 weeks after SSP detachment and remained increased at 5-week reattachment after 2- and 3-week detachment. A decreased expression of wnt10b was observed from 1 week after SSP detachment. Expression of wnt10b was recovered not in the central area of the SSP muscle but in the periphery after reattachment. Adipogenic change was not observed when SSP tendon was reattached after 1-week detachment. Conclusions: These results may suggest that once the adipogenic transcription factors, PPARγ and C/EBPα, were elevated, repair surgery after rotator cuff tear could not prevent the emergence of fat in the SSP muscle.

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Dwivedi, Anubhav, G. S. Sidharth, Joseph W. Nichols, Graham V. Candler, and Mihailo R. Jovanović. "Reattachment streaks in hypersonic compression ramp flow: an input–output analysis." Journal of Fluid Mechanics 880 (October 7, 2019): 113–35. http://dx.doi.org/10.1017/jfm.2019.702.

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We employ global input–output analysis to quantify amplification of exogenous disturbances in compressible boundary layer flows. Using the spatial structure of the dominant response to time-periodic inputs, we explain the origin of steady reattachment streaks in a hypersonic flow over a compression ramp. Our analysis of the laminar shock–boundary layer interaction reveals that the streaks arise from a preferential amplification of upstream counter-rotating vortical perturbations with a specific spanwise wavelength. These streaks are associated with heat-flux striations at the wall near flow reattachment and they can trigger transition to turbulence. The streak wavelength predicted by our analysis compares favourably with observations from two different hypersonic compression ramp experiments. Furthermore, our analysis of inviscid transport equations demonstrates that base-flow deceleration contributes to the amplification of streamwise velocity and that the baroclinic effects are responsible for the production of streamwise vorticity. Finally, the appearance of the temperature streaks near reattachment is triggered by the growth of streamwise velocity and streamwise vorticity perturbations as well as by the amplification of upstream temperature perturbations by the reattachment shock.

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34

Page, R. H., L. L. Hadden, and C. Ostowari. "Theory for radial jet reattachment flow." AIAA Journal 27, no. 11 (November 1989): 1500–1505. http://dx.doi.org/10.2514/3.10294.

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35

Lise, DP, LC Cardoso Vieira, É. Araújo, and GC Lopes. "Tooth Fragment Reattachment: The Natural Restoration." Operative Dentistry 37, no. 6 (October 1, 2012): 584–90. http://dx.doi.org/10.2341/12-063-t.

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SUMMARY The aim of this manuscript was to discuss some important considerations about tooth fragment reattachment and report the success of a clinical case in which a tooth fragment and direct composite resin were used to restore a fractured anterior tooth. Clinical and radiographic examination 12 months after trauma showed good esthetics and periodontal health.

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Page, R. H., L. L. Hadden, and C. Ostowari. "Theory for Radial Jet Reattachment Flow." AIAA Journal 28, no. 7 (July 1990): 1338b. http://dx.doi.org/10.2514/3.48892.

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37

Birring, OurvindJeet Singh, Snigdha Shubham, PraveenSingh Samant, and Vanita Gautam. "Reattachment of coronal fragment: Regaining smile." Universal Research Journal of Dentistry 6, no. 3 (2016): 274. http://dx.doi.org/10.4103/urjd.urjd_8_16.

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38

Cho, Hee Yoon, Song Ee Chung, Jong In Kim, Kyu Hyung Park, Sang Kook Kim, and Se Woong Kang. "Spontaneous Reattachment of Rhegmatogenous Retinal Detachment." Ophthalmology 114, no. 3 (March 2007): 581–86. http://dx.doi.org/10.1016/j.ophtha.2006.05.080.

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39

Dreghorn, Clark R., and Stewart W. McCreath. "Materials and techniques in trochanter reattachment." Clinical Materials 1, no. 3 (January 1986): 199–204. http://dx.doi.org/10.1016/s0267-6605(86)80032-4.

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40

Schmidt, Christopher C., David M. Weir, Andrew S. Wong, Michael Howard, and Mark Carl Miller. "The effect of biceps reattachment site." Journal of Shoulder and Elbow Surgery 19, no. 8 (December 2010): 1157–65. http://dx.doi.org/10.1016/j.jse.2010.05.027.

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41

Ericsson, Lars E. "Dynamic airfoil flow separation and reattachment." Journal of Aircraft 32, no. 6 (November 1995): 1191–97. http://dx.doi.org/10.2514/3.46863.

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42

Argintar, Evan, Gustavo Mantovani, and Alexandre Pavan. "TFCC Reattachment After Traumatic DRUJ Instability." Techniques in Hand & Upper Extremity Surgery 14, no. 4 (December 2010): 226–29. http://dx.doi.org/10.1097/bth.0b013e3181e34fee.

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43

Lewis, Geoffrey P., Charanjit S. Sethi, Kenneth A. Linberg, David G. Charteris, and Steven K. Fisher. "Experimental Retinal Reattachment: A New Perspective." Molecular Neurobiology 28, no. 2 (2003): 159–76. http://dx.doi.org/10.1385/mn:28:2:159.

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44

Ren, Qiushi, Gabriel Simon, Jean-Marie Parel, and William Smiddy. "Laser Scleral Buckling for Retinal Reattachment." American Journal of Ophthalmology 115, no. 6 (June 1993): 758–62. http://dx.doi.org/10.1016/s0002-9394(14)73644-x.

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45

Taguchi, CMC, JK Bernardon, G. Zimmermann, and LN Baratieri. "Tooth Fragment Reattachment: A Case Report." Operative Dentistry 40, no. 3 (May 1, 2015): 227–34. http://dx.doi.org/10.2341/14-034-t.

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SUMMARY The aim of this article is to present a case report for the multidisciplinary treatment of anterior tooth fractures with invasion of the biologic width and pulpectomy. Successful esthetic and functional results were achieved by bonding the crown fragment, without any form of preparation or the utilization of intracanal posts.

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Corrêa, Herbert Lima, Leonardo Eloy Rodrigues Filho, Elaine Souza Mello, Renata Vanzo Carron, and Marco Antonio Gioso. "Reattachment of Tooth Fragment: Anin vitroStudy." Journal of Veterinary Dentistry 24, no. 2 (June 2007): 90–94. http://dx.doi.org/10.1177/089875640702400204.

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47

Mutimer, Keith L., Joseph C. Banis, Joseph Upton, and Joseph Upton. "Microsurgical Reattachment of Totally Amputated Ears." Plastic and Reconstructive Surgery 79, no. 4 (April 1987): 535–40. http://dx.doi.org/10.1097/00006534-198704000-00003.

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Mutimer, Keith L., Joseph C. Banis, Joseph Upton, Harry J. Buncke, and Harry J. Buncke. "Microsurgical Reattachment of Totally Amputated Ears." Plastic and Reconstructive Surgery 79, no. 4 (April 1987): 541. http://dx.doi.org/10.1097/00006534-198704000-00004.

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Blair, Norman P. "Retinal Reattachment by Continuous Vitreous Insufflation." Archives of Ophthalmology 107, no. 8 (August 1, 1989): 1217. http://dx.doi.org/10.1001/archopht.1989.01070020283039.

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De Santis, Roberto, Davide Prisco, Showan N. Nazhat, Francesco Riccitiello, Luigi Ambrosio, Sandro Rengo, and Luigi Nicolais. "Mechanical strength of tooth fragment reattachment." Journal of Biomedical Materials Research 55, no. 4 (2001): 629–36. http://dx.doi.org/10.1002/1097-4636(20010615)55:4<629::aid-jbm1057>3.0.co;2-2.

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