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1

Hassab, Mohammed H., and David W. Kennedy. "Maxillary Sinus Ostioplasty versus Nasal-Antral Window in Maxillary Sinusitis: An Experimental Study." American Journal of Rhinology 10, no. 6 (1996): 357–64. http://dx.doi.org/10.2500/105065896781794761.

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The performance of a maxillary antrostomy through the natural ostium of the maxillary sinus has been debated in the literature over the years. However, much of the argument against middle meatal antrostomy has been based primarily upon animal studies in which there was a patent maxillary sinus ostium. A detailed study was therefore undertaken to evaluate the effects of both ostioplasty and nasal antral window in an animal model with maxillary sinus ostial obstruction. Twenty Pasteurella-free White New Zealand Rabbits underwent unilateral ostial occlusion with Histoacryl®. The sinuses were reex
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2

Owen, R. Glen, and Frederick A. Kuhn. "The Maxillary Sinus Ostium: Demystifying Middle Meatal Antrostomy." American Journal of Rhinology 9, no. 6 (1995): 313–20. http://dx.doi.org/10.2500/105065895781808757.

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Locating the maxillary sinus ostium can be a problem in endoscopic middle meatal antrostomy. Patients requiring revision sinus surgery may be found to have the maxillary sinus ostium obstructed, or the previous antrostomy placed in the wrong location. The intricate lateral nasal wall anatomy can be difficult to translate into the two-dimensional endoscopic view. It is therefore understandable how finding the maxillary sinus ostium at times can be tedious. Inability to accurately identify the maxillary sinus ostium may preclude an appropriate middle meatal antrostomy, and predispose the patient
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3

Kennedy, David W., and Hisham Shaalan. "Reevaluation of Maxillary Sinus Surgery: Experimental Study in Rabbits." Annals of Otology, Rhinology & Laryngology 98, no. 11 (1989): 901–6. http://dx.doi.org/10.1177/000348948909801112.

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Functional endoscopic sinus surgery concentrates primarily on the removal of ostiomeatal complex disease. When required, maxillary sinus ostioplasty is performed. However, surgical widening of a sinus ostium is contrary to common precepts. A study therefore was performed to reevaluate the effects of antrostomies and of intrasinus mucosal removal. Widening of the natural ostium, a separate antrostomy at some distance from the ostium, or radical mucosal removal was performed on 30 rabbits. Fifteen sinuses were used as controls. After 6 to 8 weeks the status of the sinus mucosa and mucociliary cl
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4

Dedhia, Raj D., Tsung-yen Hsieh, Yecenia Rubalcava, et al. "Posterior Maxillary Sinus Wall: A Landmark for Identifying the Sphenoid Sinus Ostium." Annals of Otology, Rhinology & Laryngology 128, no. 3 (2018): 215–19. http://dx.doi.org/10.1177/0003489418816725.

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Importance: Safe entry into sphenoid sinus is critical in endoscopic sinus and skull base surgery. A number of surgical landmarks have been used to identify the sphenoid sinus ostium during endoscopic endonasal surgery with variable reliability and intraoperative feasibility. Objective: To determine if the posterior wall of the maxillary sinus is a reliable landmark to determine the depth of the sphenoid sinus ostium during anterior to posterior dissection. Design, Setting, and Participants: Prospective study of adult patients undergoing endoscopic sinus surgery between August 2016 and Septemb
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5

Ioniţă, C., I. Bulescu, Alexandra Schnaider, B. Mocanu, Vlad Andrei Budu, and Diana Cojocaru. "Accessory ostium of the maxilar sinus." ORL.ro 1, no. 1 (2016): 14–16. http://dx.doi.org/10.26416/orl.30.1.2016.520.

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Maxillary sinus ostium may be located anywhere along the ethmoid infundibulum (middle meatus). In rhinosinusal pathology we may find an accessory ostium of the maxillary sinus due to chronic inflam­mations or after previous endoscopic sinus surgery. Existence of the accessory ostium leads to a recirculation mechanism of sinus secretions and a very difficult to treat rhinosinusal simptomatology. For every patient with this pathology we performed an endoscopic exam of the nose and a rhinosinusal CT scan. Treatment is strictly surgical by creating a unique ostium (consisting of both primary and a
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6

Hatice, Baran, and Evman Melis Demirağ. "Radiologic evaluation of paranasal anomalies in the presence of accessory maxillary ostium in pediatric patients." Chronicles of Precision Medical Researchers 4, no. 3 (2023): 275–80. https://doi.org/10.5281/zenodo.10019770.

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Aim: Accessory maxillary ostium may have anembryologic association with the variations aroundthe paranasal sinuses. This study aimed to investigatethe cross-sectional and developmental associations ofthe accessory maxillary ostium with various anatomicalvariations around the ostio-meatal complex andmaxillary sinus in children.Material and Method: Medical records and paranasalcomputed tomography sections of 457 patients aged3–17 years were reviewed retrospectively. The studygroup consisted of 184 patients with accessory maxillaryostium (AMO group), and the control group consisted of273 pa
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7

Chung, S. K., H. J. Dhong, and D. G. Na. "Mucus circulation between accessory ostium and natural ostium of maxillary sinus." Journal of Laryngology & Otology 113, no. 9 (1999): 865–67. http://dx.doi.org/10.1017/s002221510014544x.

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AbstractWe report a case of one asymptomatic 28-year-old male with mucus circulation between the natural ostium and the accessory ostium of the maxillary sinus. Computerized tomography (CT) revealed a recirculating mucus ring between the two ostia of the maxillary sinus.
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8

Myller, J., P. Dastidar, T. Torkkeli, M. Rautiainen, and S. Toppila-Salmi. "Computed tomography findings after endoscopic sinus surgery with preserving or enlarging maxillary sinus ostium surgery." Rhinology journal 49, no. 4 (2011): 438–44. http://dx.doi.org/10.4193/rhino10.111.

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Endoscopic sinus surgery (ESS) is the main surgical approach in the treatment of chronic rhinosinusitis (CRS) after failure of medical treatment. ESS is based on the theory that obstruction of the maxillary sinus ostium is mainly behind the pathogenesis of CRS. Controversy remains concerning the enlargement of the natural maxillary sinus ostium. The aim of this study was to compare computed tomography (CT) findings after preservation or enlargement of the maxillary sinus ostium. Thirty patients with non-polypous CRS underwent randomized endoscopic sinus surgery with uncinectomy on one side and
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9

Derjac-Arama, Andreea –. Ioana, Stefania Anca Mihai, Mihai Sandulescu, and Mugurel Constantin Rusu. "Anatomic patterns of maxillary sinus drainage." Romanian Journal of Rhinology 5, no. 20 (2015): 209–14. http://dx.doi.org/10.1515/rjr-2015-0024.

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AbstractBackground. Functional endoscopic sinus surgery may be indicated when certain anatomic variations impede the normal drainage of the paranasal sinuses through the ostiomeatal complex. We aimed at studying the drainage system of the maxillary sinus which consists of the maxillary infundibulum, the main ostium of the maxillary sinus, the ethmoidal infundibulum and the hiatus semilunaris inferior.Material and methods. The study was performed retrospectively on cone beam computed tomography (CBCT) scans of 60 subjects (N=120 maxillary sinuses). The anatomical pattern of the maxillary sinus
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10

Patil, Manjula, and Manjunath KY. "Ostium maxillare accessorium - a morphologic study." National Journal of Clinical Anatomy 01, no. 04 (2012): 171–75. http://dx.doi.org/10.1055/s-0039-3401684.

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Abstract Background and aims : The "Osteomeatal complex" of the middle meatus contains the primary maxillary opening as well as in few cases the 'accessory maxillary ostia'. An ostium leading to maxillary sinus apart from the primary maxillary opening is defined as accessory maxillary ostia. Location of accessory maxillary ostia is more advantageous than primary maxillary opening. Accessory maxillary ostia can be utilized to approach the maxillary sinus in cases of difficulty in approaching the primary maxillary opening. The present study was undertaken to study the morphological variations of
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11

Kirihene, Ravi K. D. R. A., Guy Rees, and Peter-John Wormald. "The Influence of the Size of the Maxillary Sinus Ostium on the Nasal and Sinus Nitric Oxide Levels." American Journal of Rhinology 16, no. 5 (2002): 261–64. http://dx.doi.org/10.1177/194589240201600508.

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Background Nitric oxide (NO) is produced in significant quantities in the nasal sinuses and is thought to have a beneficial effect on the mucociliary transport of the sinuses and nose and to have significant antibacterial properties that contribute to the health of the sinuses. Recently, the concept of “mini-functional endoscopic sinus surgery” has been introduced where the uncinate is removed without enlargement of the maxillary ostium. Although no scientific evidence has been published, enlargement of the ostium is thought to possibly disrupt the mucociliary pathway and decrease the concentr
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12

Khojastepour, Leila, Abdolaziz Haghnegahdar, and Negar Khosravifard. "Role of Sinonasal Anatomic Variations in the Development of Maxillary Sinusitis: A Cone Beam CT Analysis." Open Dentistry Journal 11, no. 1 (2017): 367–74. http://dx.doi.org/10.2174/1874210601711010367.

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Background:Several anatomical variations can lead to the inflammation of the paranasal sinuses; therefore, surgeons should be familiar with these variations and their impacts on the status of the paranasal sinuses.Objectives:The present study aimed to determine the prevalence of Haller cells and its association with patients’ sex and age. Furthermore, the relationships between the presence and size of Haller cells, deviation of the uncinate process and size of the maxillary sinus ostium with the occurrence of maxillary sinusitis were investigated.Materials/ Patients and Methods:120 coronal CBC
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13

Luukkainen, Annika, Jyri Myller, Tommi Torkkeli, Markus Rautiainen, and Sanna Toppila-Salmi. "Endoscopic Sinus Surgery with Antrostomy Has Better Early Endoscopic Recovery in Comparison to the Ostium-Preserving Technique." ISRN Otolaryngology 2012 (June 18, 2012): 1–8. http://dx.doi.org/10.5402/2012/189383.

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Background. Endoscopic sinus surgery (ESS) is considered for chronic rhinosinusitis (CRS) after failure of conservative therapy. Objective. The aim of this study was to evaluate endoscopically ostium patency and mucosal recovery after ESS, with either maxillary sinus ostium-preserving or -enlarging techniques. Materials and Methods. Thirty patients with non-polypous CRS were enrolled. Uncinectomy-only and additional middle meatal antrostomy were randomly and single-blindly performed for each side. Pre- and postoperative endoscopic scores were semi-quantitatively determined according to finding
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14

Gutman, Michael, and Steve Houser. "Iatrogenic Maxillary Sinus Recirculation and Beyond." Ear, Nose & Throat Journal 82, no. 1 (2003): 61–63. http://dx.doi.org/10.1177/014556130308200118.

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Recirculation of nasal mucus occurs when secretions that have been transported out of the natural maxillary ostium return to the sinus via a surgically created or accessory ostium. Recirculation increases the risk of persistent sinus infection. In this article, we describe a case of mucus recirculation in a patient who had not responded to two previous sinus surgeries for recurrent rhino sinusitis. We also postulate the possibility of ethmoid recirculation.
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15

Freitas, George Borja de, Marcus Vinicius Siqueira, Arthur José Barbosa de França, et al. "Investigation of the relationship between the sinusal ostium diameter and changes in the maxillary sinus: a cone beam computerized tomography study." Research, Society and Development 9, no. 7 (2020): e957975103. http://dx.doi.org/10.33448/rsd-v9i7.5103.

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Objective: The objective of this study was to relate the sinus ostium diameter with four known changes in the maxillary sinuses by means of cone beam Computed Tomography (CBCT), considering side and gender. Methodology: 415 CBCT scans were evaluated and a total of 328 CBCT scans from patients over 21 years of age were selected for the study. By means of corrected coronal reconstructions in positioning, an anteroposterior scan of the maxillary sinus region was performed to identify, locate, and measure the diameter of the sinus ostium on the right and left sides. Changes in the maxillary sinuse
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16

Havel, M., L. Ertl, D. Bauer, M. Schuster, K. Stelter, and J. Sundberg. "Resonator properties of paranasal sinuses: preliminary results of an anatomical study." Rhinology journal 52, no. 2 (2014): 178–82. http://dx.doi.org/10.4193/rhino13.097.

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Background: The contribution of the nasal and paranasal cavities to vocal tract resonator properties is unclear as are voice effects of sinus surgery. Here we investigate resonance phenomena of paranasal sinuses with and without selective occlusion of the middle meatus and maxillary ostium in a cadaver. Methodology: Nasal and paranasal cavities of a Thiel-embalmed cadaver were excited by sine-tone sweeps from an earphone in the epipharynx. The response was picked up by a microphone at the nostrils. Different conditions with blocked and unblocked middle meatus were tested. Additionally, infundi
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17

Pinkston, D. Randall, Andrew J. Schubkegel, M. Bridget Zimmerman, and Richard J. H. Smith. "The Effects of Sinus Surgery on Midfacial Growth in the Rabbit." American Journal of Rhinology 9, no. 2 (1995): 115–24. http://dx.doi.org/10.2500/105065895781873962.

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The effects of pediatric sinus surgery on craniofacial growth have not been established. This study was designed to determine whether sinus surgery influences midfacial growth in New Zealand white rabbits. Surgery was performed on five groups of six rabbits each: Group 1—bilateral external dorsal approach to the maxillary sinus with enlargement of the sinus ostium and removal of the uncinate process; Group 2—bilateral external dorsal approach to the maxillary sinus; Group 3—unilateral external dorsal approach to the maxillary sinus with enlargement of the sinus ostium and removal of the uncina
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18

Christmas, Dewey A., Joseph P. Mirante, and Eiji Yanagisawa. "The Missed Maxillary Sinus Ostium Syndrome." Ear, Nose & Throat Journal 82, no. 8 (2003): 546–48. http://dx.doi.org/10.1177/014556130308200803.

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Shkorbotun, Yaroslav V. "Maxillary sinus cyst as a risk factor for osteomeatal complex block." OTORHINOLARYNGOLOGY, No4(4) 2021 (September 30, 2021): 54–61. http://dx.doi.org/10.37219/2528-8253-2021-4-54.

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Introduction: Cysts of the maxillary sinuses are found in about 10% of the population. There is a necessity to clarify indications for cyst removal taking into account its size. The purpose of the study to clarify the indications for surgical treatment of maxillary sinus cysts as a risk factor for sinus drainage disorders in the development of maxillary sinusitis. Methods and materials: 57 people (92 sinuses) were examined. There were 20 patients (40 sinuses) with acute rhinosinusitis, 22 patients (22 sinuses) with post-augmentation sinusitis, and 15 (30 sinuses) almost healthy individuals amo
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20

Nuñez-Castruita, Alfredo, Norberto López-Serna, and Santos Guzmán-López. "Prenatal Development of the Maxillary Sinus." Otolaryngology–Head and Neck Surgery 146, no. 6 (2012): 997–1003. http://dx.doi.org/10.1177/0194599811435883.

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Objective. To review the prenatal development of the maxillary sinus under the perspective of the sinus surgery. Study Design. Cross-sectional study. Setting. Basic embryology laboratory. Subjects and Methods. Morphometry and morphology of the maxillary sinus and its ostium were studied under stereomicroscopy in 100 human fetuses from the 9th to the 37th week. Fetuses were obtained from the Fetal Collection of the School of Medicine of the Universidad Autónoma de Nuevo León. Approval was granted by the Ethics Committee. Statistics were applied. Results. The maxillary sinus begins its developme
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Reddy, Nishant, Swapnali Shamkuwar, and Varsha Mokhasi. "ANATOMY OF THE MAXILLARY SINUS OSTIUM: A CADAVERIC STUDY." International Journal of Anatomy and Research 7, no. 4.2 (2019): 7097–100. http://dx.doi.org/10.16965/ijar.2019.313.

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Forsgren, Karin, Masaya Fukami, Karl Magnus Westrin, and Pontus Stierna. "Effects of Surgery on Mucosal Pathologic Changes following Experimental Sinusitis in Rabbit." Annals of Otology, Rhinology & Laryngology 107, no. 2 (1998): 155–63. http://dx.doi.org/10.1177/000348949810700212.

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In the present investigation, the regenerative capacity of the infected maxillary sinus mucosa following surgical procedures was studied in a rabbit model. Sinusitis was induced by occluding the ostium with and without the addition of Staphylococcus aureus or Bacteroides fragilis, or by provoking a prolonged bacterial infection with both pathogens. The surgical procedures performed were 1) widening of the natural sinus ostium (middle meatal antrostomy; MMA) and 2) removal of sinus mucosa without ostial interference (modified radical operation; MRO). The histologic features of the entire nose-s
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23

Friedman, William H., and George P. Katsantonis. "Transantral Revision of Recurrent Maxillary and Ethmoidal Disease following Functional Intranasal Surgery." Otolaryngology–Head and Neck Surgery 106, no. 4 (1992): 367–71. http://dx.doi.org/10.1177/019459989210600409.

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Recurring disease in the maxillary sinus, despite inferior meatal antrostomies, has led to the widespread use of middle meatal antrostomy or simple decompression of the natural ostium of the middle meatus in attempts to restore function to the maxillary sinus. We have reported recurrent disease in the maxillary sinus in patients with stage III or stage IV hyperplastic rhinosinusitis in whom attempts at functional surgery of the middle meatus were unsuccessful in reversal of retrograde changes. One hundred patients who had previously undergone intranasal sphenoethmoidectomy with removal of the
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24

Boyd, James H., Karen Yaffee, and John Holds. "Maxillary Sinus Atelectasis with Enophthalmos." Annals of Otology, Rhinology & Laryngology 107, no. 1 (1998): 34–39. http://dx.doi.org/10.1177/000348949810700107.

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Chronic maxillary sinusitis may present as atelectasis of the sinus with changes to surrounding structures. Several mechanisms have been proposed for this problem. Chronic obstruction of the sinus ostium, with resultant retention of secretions and osteitic bone resorption, may account for these changes. Enophthalmos is one manifestation that may require corrective treatment. Titanium micromesh reconstruction of the orbital floor, with or without onlay concha cartilage, has reliably resolved the enophthalmos. Reconstruction of the orbital floor and ventilation of the obstructed sinus ostium may
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Saha, Kanu Lal, Md Sajibur Rashid, Sonam Jamtsho, and Debesh Chandra Talukder. "Ascaris lumbrocoides in the Right Maxillary Sinus-a rare case." Journal of Dhaka Medical College 28, no. 1 (2020): 126–28. http://dx.doi.org/10.3329/jdmc.v28i1.45769.

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Introduction: Sinusitis is fairly a common condition in an Otolaryngology clinic.However sinusitis due to Ascaris lumbrocoides obstructing the maxillary ostium is a very rare case.
 Objective: To report a very rare case of round worm in the Right Maxillary sinus.
 Case report: A nine year old girl presented with right nasal blockage and dull aching pain over the right maxilla and foul smelling discharge from the right nostril for a week duration. Examination revealed a cord like structure in the right nostril which was very painful on manipulation. Examination under generl anesthesia
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Ohyama, Yoshio, Masaru Ogawa, and Satoshi Yokoo. "Novel Management for Severe Odontogenic Maxillary Sinusitis Based on Pathophysiology." Case Reports in Dentistry 2022 (July 27, 2022): 1–3. http://dx.doi.org/10.1155/2022/1614739.

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Endoscopic sinus surgery is commonly performed to treat odontogenic maxillary sinusitis. However, recurrence and natural ostium reclosure often occur due to the inadequate patency of the excretory route. Furthermore, classical maxillary sinus radical surgery is still performed for odontogenic maxillary sinusitis even though it can cause postoperative maxillary sinus deformation, loss of function, and a postoperative maxillary cyst. A management that addresses these issues has not yet been identified. This study reported a conservative maxillary sinus management, wherein a nasoantral window is
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Easwaramoorthy, Rajalakshmanan. "Efficacy of mucolytics and steam therapy in the management of sinusitis among Indians." Bioinformation 19, no. 4 (2023): 479–83. http://dx.doi.org/10.6026/97320630019479.

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It is of interest to compare the treatment modalities of sinus membrane thickening, by analyzing the difference in pre and post-intervention radiographic measurement of sinus membrane thickness. Results showed that combination therapy of steam and mucolytics decreased the sinus thickening in a statistically significant manner compared to mucolytics alone. Thus, there is a correlation between maxillary sinus membrane thickening and patency of maxillary ostium radiographically.
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Park, Won-Bae, Nam-Jun Cho, and Philip Kang. "Tomographic Imaging of Mucociliary Clearance Following Maxillary Sinus Augmentation: A Case Series." Medicina 58, no. 5 (2022): 672. http://dx.doi.org/10.3390/medicina58050672.

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Mucociliary clearance (MCC) allows ventilation of graft particles that are displaced through a perforated Schneiderian membrane during maxillary sinus augmentation (MSA). However, it is very rarely confirmed by cone-beam computed tomographic (CBCT) images. It is not yet known how long the dislodged bone graft particles remain in the maxillary sinus or how quickly they are ventilated after MSA. The purpose of these case reports is to introduce tomographic imaging of ventilation of bone graft particles displaced through a perforated Schneiderian membrane after MSA. Four patients, who needed impl
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Orhan Soylemez, Umut Percem, and Basak Atalay. "Investigation of the accessory maxillary ostium: a congenital variation or acquired defect?" Dentomaxillofacial Radiology 50, no. 6 (2021): 20200575. http://dx.doi.org/10.1259/dmfr.20200575.

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Objective: We sought to determine whether an accessory maxillary ostium (AMO) is a congenital or acquired condition and we investigated concomitant sinus pathologies associated with this structure. Methods: Paranasal sinus CT examinations of individuals aged ≥13 years and <13 years were compared retrospectively. In total, 552 sinuses of 276 patients aged ≥13 years (Group 1) and 284 maxillary sinuses of 142 children aged <13 years (Group 2) were evaluated. Patients were classified as AMO-positive or -negative. The following features were evaluated in Group 1: AMO presence, mucus retention
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Do, Jiwon, and Jeong Joon Han. "Anatomical Characteristics of the Accessory Maxillary Ostium in Three-Dimensional Analysis." Medicina 58, no. 9 (2022): 1243. http://dx.doi.org/10.3390/medicina58091243.

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Background and Objectives: The accessory maxillary ostium (AMO) can interfere with ventilation and drainage of the maxillary sinus, and therefore the importance of evaluating the anatomical features of the AMO has been emphasized. This study aimed to evaluate anatomical characteristics of the AMO together with the natural ostium (NO) using three-dimensional (3D) analysis and to assess the relationship between the AMO and maxillary sinus pathologies. Materials and Methods: This retrospective study included 394 sinuses in 197 patients. Using 3D computed tomography images, the prevalence of the A
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31

C, Gnanavelraja. "PRIMARY MAXILLARY SINUS OSTIUM - A CADAVERIC STUDY." Journal of Evidence Based Medicine and Healthcare 1, no. 7 (2014): 569–73. http://dx.doi.org/10.18410/jebmh/2014/90.

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32

Birkent, Hakan, Fuat Tosun, Serdar Karahatay, and Timur Akcam. "Progressive Maxillary Sinus Hypoplasia With Open Ostium." Journal of Craniofacial Surgery 18, no. 3 (2007): 706–8. http://dx.doi.org/10.1097/scs.0b013e318052fe97.

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El-Anwar, Mohammad Waheed, Ashraf Raafat, Rania Mostafa Almolla, Ahmed Mohamed Alsowey, and Saad Elzayat. "Maxillary sinus ostium assessment: A CT study." Egyptian Journal of Radiology and Nuclear Medicine 49, no. 4 (2018): 1009–13. http://dx.doi.org/10.1016/j.ejrnm.2018.07.009.

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Mahajan, Anukaran, Anupama Mahajan, Karunesh Gupta, Pankaj Verma, and Monika Lalit. "ANATOMICAL VARIATIONS OF ACCESSORY MAXILLARY SINUS OSTIUM: AN ENDOSCOPIC STUDY." International Journal of Anatomy and Research 5, no. 1.2 (2017): 3484–90. http://dx.doi.org/10.16965/ijar.2016.504.

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35

Lim, Daniel, Rosliza Parumo, Ma Bee Chai, and Jothi Shanmuganathan. "Transnasal Endoscopy Removal of Dislodged Dental Implant: A Case Report." Journal of Oral Implantology 43, no. 3 (2017): 228–31. http://dx.doi.org/10.1563/aaid-joi-d-16-00172.

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Displacement of dental implants into the maxillary sinus is a rare complication. This article presents a case of displaced dental implant into maxillary sinus. Retrieval of the dental implant from left maxillary sinus was performed via endoscopic sinus surgery. This case highlighted a delayed referral of a 53-year-old male by a general dental practitioner for management of a dislodged dental implant into the left maxillary antrum. The implant was dislodged during placement of a healing abutment 4 months after implant insertion to replace missing 25. Cone beam computerized tomography revealed t
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Dufour, Xavier, Jean-Michel Goujon, Marie-Helene Rodier, Catherine Kauffmann-Lacroix, Ghislaine Grollier, and Jean-Michel Klossek. "Experimental Model of Fungal Sinusitis: A Pilot Study in Rabbits." Annals of Otology, Rhinology & Laryngology 114, no. 2 (2005): 167–72. http://dx.doi.org/10.1177/000348940511400215.

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We have established an experimental model of fungal sinusitis in rabbits to analyze the chronology and the pathogenesis of the development of noninvasive fungal sinusitis due to Aspergillus fumigatus. Thirty-four Pasteurella-free New Zealand white rabbits divided into three groups were included in this study. In the first group (10 rabbits), A fumigatus was inoculated into the maxillary sinus. In the second group (10 rabbits), A fumigatus was inoculated into the maxillary sinus in the presence of a wound in the mucosa. In the third group (14 rabbits), A fumigatus was inoculated into the maxill
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37

Sato, K. "Endoscopic sinus surgery for the anterior maxillary sinus, using a 135° reflective CO2 laser." Journal of Laryngology & Otology 122, no. 9 (2007): 918–20. http://dx.doi.org/10.1017/s0022215107000904.

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AbstractObjectives:Endoscopic sinus surgery has been widely performed to treat nose and paranasal diseases. However, it is difficult to manipulate anterior wall lesions of the maxillary sinus using conventional surgical instruments. This paper presents a method of performing endoscopic surgery for anterior wall lesions of the maxillary sinus, using a 135° reflective CO2 laser.Method:A CO2 laser with a 135° reflective tip on the pipe-guide handpiece and a CO2 laser angulated to the same degree were used. The pipe-guide handpiece with reflective tip was inserted into the nasal cavity and the bas
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38

Lee, Il Hwan, Do Hyun Kim, Soo Whan Kim, Jun-Beom Park, and Sung Won Kim. "An Anatomic Study on the Maxillary Sinus Mucosal Thickness and the Distance between the Maxillary Sinus Ostium and Sinus Floor for the Maxillary Sinus Augmentation." Medicina 56, no. 9 (2020): 470. http://dx.doi.org/10.3390/medicina56090470.

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Background and objectives: The average rate of chronic sinusitis after maxillary implantation was approximately 5.1%. However, the evidence of predictive risk factors for sinusitis after implantation is lacking. The aim of this study was to perform an anatomic study on the maxillary sinus mucosal thickness (MSMT), the distance between the maxillary sinus ostium and sinus floor (MOD), and the MSMT/MOD ratio as a preoperative risk indicator for sinusitis after maxillary dental implantation. Materials and Methods: Between October 2008 and October 2019, all patients referred to the otolaryngology
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39

Ahmed, Junaid, Aditya Gupta, Nandita Shenoy, Nanditha Sujir, and Archana Muralidharan. "Prevalence of Incidental Maxillary Sinus Anomalies on CBCT Scans: A Radiographic Study." Diagnostics 13, no. 18 (2023): 2918. http://dx.doi.org/10.3390/diagnostics13182918.

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CBCT significantly impacts dental procedures and has brought significant reforms to our approach to diagnosis and treatment planning despite its limitations in differentiating soft tissues. It is an excellent imaging modality and quickly identifies sinus opacification and provides valuable insight into paranasal sinus pathologies, with considerably lower radiation exposure. The present study aimed to investigate the occurrence of maxillary sinus abnormalities in CBCT scans, identify the frequency, type, and location of these findings, and find the correlation between the distance of periapical
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40

Iliescu, Alexandru Andrei, Paula Perlea, and Anca Nicoleta Temelcea. "Migration of dental implants in the maxillary sinus – a putative risk of sinus aspergilossis." Romanian Journal of Stomatology 63, no. 4 (2017): 151–55. http://dx.doi.org/10.37897/rjs.2017.4.1.

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Sometimes the maxillary endosseous implants may migrate into the maxillary sinus, a quarter of them being recorded in maxillary sinus bone grafts. Less frequent it occurs after the occlusal loading or during the prosthetic abutment insertion. The displacement and retention of a dental implant in maxillary sinus causes a chronic sinusitis. One of such infection might be aspergillosis. Clinically the aspergillosis of maxillary sinus may be non-invasive, invasive or allergic. The treatment of non-invasive aspergillosis in immunocompetent individuals consists in surgical removal of infected fungal
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41

Ritter, Amit, Noa Rozendorn, Gal Avishai, Eli Rosenfeld, Ilan Koren, and Ethan Soudry. "Preoperative Maxillary Sinus Imaging and the Outcome of Sinus Floor Augmentation and Dental Implants in Asymptomatic Patients." Annals of Otology, Rhinology & Laryngology 129, no. 3 (2019): 209–15. http://dx.doi.org/10.1177/0003489419883292.

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Objectives: Preoperative maxillary sinus imaging findings have been suggested to be associated with complications and outcomes of sinus lift and dental implant procedures; nonetheless the evidence is controversial. The aim of this study was to examine the association between preoperative maxillary sinus imaging findings and outcomes of sinus lift and dental implant procedures in asymptomatic patients. Methods: We included all patients who underwent maxillary sinus lift and dental implant procedures between 2014 and 2017. Maxillary sinus imaging findings were extracted from pre-procedural denta
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42

Mauri, Marcelo, Carla Oliveira de Oliveira, and Guilherme Franche. "Pneumosinus Dilatans of the Maxillary Sinus." Annals of Otology, Rhinology & Laryngology 109, no. 3 (2000): 278–80. http://dx.doi.org/10.1177/000348940010900308.

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A case of the rare condition Pneumosinus dilatans of the maxillary sinus is presented. This is a rare differential diagnosis of a maxillary disease. The diagnostic imaging features of this condition are described, and a recommendation of views for adequately delineating this disorder is given. Only a few cases of Pneumosinus dilatans of the maxillary sinus are described in the English-language literature, and the precise cause and pathogenesis remain obscure. We performed an enlargement of the maxillary ostium in order to increase the ventilation of the paranasal sinus. In the short-term follo
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43

Chung, Seung-Kyu, Hun-Jong Dhong, and Byung-Chan Chang. "CT findings of accessory ostium of maxillary sinus." Otolaryngology–Head and Neck Surgery 121, no. 2_suppl (1999): P185. http://dx.doi.org/10.1016/s0194-5998(99)80336-2.

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44

Eibling, David E. "The maxillary sinus ostium: Demystifying middle meatal antrostomy." American Journal of Otolaryngology 18, no. 2 (1997): 157. http://dx.doi.org/10.1016/s0196-0709(97)90113-7.

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Chow, James M., James Hartman, and James A. Stankiewicz. "Endoscopically directed cultures of the maxillary sinus ostium." Operative Techniques in Otolaryngology-Head and Neck Surgery 4, no. 1 (1993): 86–89. http://dx.doi.org/10.1016/s1043-1810(10)80115-0.

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46

Shokuhi, Mohammadreza, Hojatollah Yousefimanesh, Shiva Gandomi, Zeinab Soleimani, and Hanie Hosseini. "Epidemiology of Anatomical Variations in the Maxillary Sinus Drainage System and the Impact of Concha Bullosa." Galen Medical Journal 13, SP1 (2024): e3585. https://doi.org/10.31661/gmj.v13isp1.3585.

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Background: The ostiomeatal complex (OMC) is an important anatomical structure which contains the maxillary ostium and infundibulum; sinus drainage is performed through this route. Concha bullosa, which is defined as pneumatization of the middle concha, may lead to drainage disorders and sinusitis following alterations in the OMC; hence, the purpose of this study was to investigate the effect of presence of concha bullosa on the infundibulum length and ostium height using cone-beam computed tomography (CBCT). Materials and Methods: This cross-sectional study evaluated 208 CBCT scans of 416 max
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Kim, Jin-Hyeong, Eun Jeong Min, Youngkyung Ko, Do Hyun Kim, and Jun-Beom Park. "Change in Maxillary Sinus Mucosal Thickness in Patients with Preoperative Maxillary Sinus Mucosal Thickening as Assessed by Otolaryngologists: A Retrospective Study." Medicina 59, no. 10 (2023): 1750. http://dx.doi.org/10.3390/medicina59101750.

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Background and Objectives: Maxillary sinus pathologic conditions may increase the risk of complications during posterior maxillary sinus augmentation surgery. The purpose of this study was to evaluate the changes in participants with preoperative maxillary sinus mucosal thickening and to assess this factor as a preoperative risk indicator for sinusitis after maxillary dental implantation. Materials and Methods: We compared the preoperative and postoperative maxillary sinus mucosal thickness (MSMT), the distance between the maxillary sinus ostium and sinus floor (MOD), and the MSMT/MOD ratio. T
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48

Kato, Shingo, Yuki Omori, Masatsugu Kanayama, et al. "Sinus Mucosa Thickness Changes and Ostium Involvement after Maxillary Sinus Floor Elevation in Sinus with Septa. A Cone Beam Computed Tomography Study." Dentistry Journal 9, no. 8 (2021): 82. http://dx.doi.org/10.3390/dj9080082.

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Background: A thickening of the sinus mucosa is observed after sinus floor augmentation. The objective of this retrospective study was to evaluate the influence of the presence of septa in the dimensional variation and ostium involvement over time of the Schneiderian mucosa after sinus floor augmentation. Materials and Methods: Fifteen sinuses with septa (septa group) and 15 without (control group) were selected. CBCTs taken before surgery, and were analyzed after 1 week and after 9 months. Schneiderian membrane thickness changes over time and involvement of the ostium were evaluated. Results:
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Bassiouny, Ahmed, Ahmed M. Atef, Mahmoud Abdel Raouf, Safaa Mohamed Nasr, Magdy Nasr, and Essam Ezzat Ayad. "Ultrastructural ciliary changes of maxillary sinus mucosa following functional endoscopic sinus surgery: an image analysis quantitative study." Journal of Laryngology & Otology 117, no. 4 (2003): 273–79. http://dx.doi.org/10.1258/00222150360600878.

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This was a study of the effect of functional endoscopic sinus surgery (FESS) on the ciliary regeneration of maxillary sinus mucosa in patients with chronic maxillary sinusitis, using objective quantitative methods. Twenty specimens from the mucosa of both the superolateral wall and the ostium of the maxillary sinus were sampled during FESS and then six to 12 months later. They were light examined first by light microscopy and then by scanning electron microscopy in combination with image analysis software in order to study the cilia under higher magnification and to calculate proportion of the
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Martinez-Paredes, Jhon F., Selmin Karatayli-Ozgursoy, Valeria Gonzalez, Osarenoma Olomu, and Angela M. Donaldson. "Effect of Partial Uncinectomy After Balloon Sinuplasty on Maxillary Sinus Irrigant Penetration: A Cadaveric Study." OTO Open 5, no. 1 (2021): 2473974X2198958. http://dx.doi.org/10.1177/2473974x21989583.

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Objective The uncinate process may play a role in the amount of irrigation penetrance. In this cadaver study, we aimed to investigate if the addition of partial uncinectomy provides better maxillary sinus irrigation penetrance than balloon sinuplasty (BSP) alone. Study Design Cadaveric study. Setting Simulation laboratory at the Mayo Clinic in Florida. Methods Five fresh-frozen human cadaveric heads (10 sides) were used to assess maxillary sinus irrigation penetration after 3 interventions performed sequentially: irrigation penetrance with no intervention, irrigation after BSP, and irrigation
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