Shishir Ram Shetty, Saad Wahby Al Bayatti, Hesham Marei, Raghavendra Shetty, Hossam Abdelatty Abdelmagyd, Alexander Maniangat Luke
Objectives: : The purpose of the study was to assess the occurrence, location, and dimensions of the intraosseous vascular canal in the lateral wall of the maxillary antrum using cone-beam computed tomography (CBCT). Materials and Methods: In this retrospective study, we examined 400 CBCT scans from our archive of patients who had earlier reported to a dental teaching hospital in the United Arab Emirates. The prevalence, location, and dimensions of the lateral antral intraosseous canal (LAIC) in the maxillary antrum were evaluated by 2 examiners using standardised methods...
February 28, 2021: Journal of the Korean Association of Oral and Maxillofacial Surgeons
Carlo Rengo, Antonino Fiorino, Alessandro Cucchi, Antonio Nappo, Emanuele Randellini, Paolo Calamai, Marco Ferrari
OBJECTIVES: Oral surgery morbidity is highly variable based on patients' characteristics and kind of surgical intervention. However, poor data are available in the literature regarding patient outcomes after oral surgery. The aim of this retrospective study was to evaluate patient-reported outcome and complication rates after maxillary sinus floor elevation. MATERIALS AND METHODS: Data from the records of patients undergoing maxillary sinus elevation have been collected from a private dental office...
February 23, 2021: Clinical Oral Investigations
Liting Gai, Xin Luo, Ye Guan, Fuming He
PURPOSE: Using panoramic radiograph and CBCT to compare the measurement errors of the residual bone height in the same site before implant placement in the posterior maxilla and endo-sinus bone gain after osteotome sinus floor elevation without grafting, and to evaluate endo-sinus bone augmentation before stage-two surgery with CBCT. Also, some related factors of new bone formation in the sinus were analyzed, such as small bone block elevated by osteotome at the implant apex intraoperatively...
January 2021: International Journal of Oral & Maxillofacial Implants
Renzo Guarnieri, Luca Savio, Alessandro Bermonds, Luca Testarelli
Objectives: The aim of this retrospective multicentre cohort study was to compare clinical outcomes, soft tissues conditions and differences in marginal bone loss between implants with a laser-microgrooved collar placed in posterior maxillary extraction sockets grafted by 4 to 5 months, and in posterior maxillary pristine bone (spontaneously healed posterior maxillary extraction sockets) by means of osteotome-mediated sinus floor elevation, over a period of 5 years after functional loading...
October 2020: Journal of Oral & Maxillofacial Research
Wenjie Zhou, Feng Wang, Marko Magic, Minjie Zhuang, Jian Sun, Yiqun Wu
OBJECTIVES: To assess how anatomy and osteogenesis correlated with results of maxillary sinus floor augmentation (MSFA). MATERIALS AND METHODS: Patients with partial edentulism and advanced atrophy of the posterior maxillae (≤ 4 mm residual bone height, RBH) underwent MSFA with sole deproteinized bovine bone matrix (DBBM) through a lateral approach. After a 6 to 9-month healing period, bone core biopsies were obtained from the sites of implant insertion for histological evaluation...
February 11, 2021: Clinical Oral Investigations
P Li, M Z Piao, H C Hu, Y Wang, Y J Zhao, X J Shen
OBJECTIVE: To investigate the change of endo-sinus bone height and bone volume in osteotome sinus floor elevation (OSFE) without bone graft but placing implants simultaneously by using cone beam computed tomography (CBCT) and three dimensional analysis, and to find the impacting factors on endo-sinus bone augmentation. METHODS: OSFE was performed in 38 edentulous patients with missing teeth at posterior maxillary region, and 44 implants were placed and referred for OSFE using no graft materials...
December 24, 2020: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
Rodrigo Andrés-García, José Vicente Ríos-Santos, Mariano Herrero-Climent, Pedro Bullón, Javier Fernández-Farhall, Alberto Gómez-Menchero, Ana Fernández-Palacín, Blanca Ríos-Carrasco
According to classic Hirschfeld studies, the first teeth to be lost are the first and second maxillary molars. After the teeth are extracted and the alveolar process is developed, the maxillary sinus is reabsorbed and pneumatized with a decrease in bone availability in the posterior sector of the maxilla. This process often creates the need to perform regeneration techniques for the placement of implants in this area due to the low availability of bone. The most frequently used and documented technique for the elevation of the sinus maxillary floor is elevation by the side window, as proposed by Tatum...
January 27, 2021: International Journal of Environmental Research and Public Health
Sergio Charifker Ribeiro Martins, Gabriel Leonardo Magrin, Júlio Cesar Joly, César Augusto Magalhães Benfatti, Marco Aurélio Bianchini, Daiane Cristina Peruzzo
<p>Objective: This study analyzed two xenogenous biomaterials based on deproteinized bovine bone mineral applied for maxillary sinus elevation.<br /> Method and materials: Fourteen patients were submitted to maxillary sinus augmentation with one of the following biomaterials: Criteria Lumina Bone Porous (test group) or Geistlich Bio-Oss (control group), both of large granules (1 to 2 mm). After 6 months, trephine biopsies were collected at the time of implant placement: 27 samples (11 patients) in the test group; 7 samples (3 patients) in the control group...
2021: Quintessence International
Ramandeep Sandhu, Mohit Gurunath Kheur, Tabrez Amin Lakha, M Supriya, Pascal Valentini, Bach Le
Aim: The aim of this study is to determine the incidence of obliterated osteomeatal complex (OMC) due to the presence of anatomic variants. Settings and Design: Retrospective Study. Materials and Methods: In this retrospective study, a total of 71 patients, 34 males and 37 females, aged 35-65 years were included in the study. Cone beam computed tomography (CBCT) scans of patients were assessed to identify the status of the OMC in the presence of anatomic variants and their incidence was recorded...
October 2020: Journal of Indian Prosthodontic Society
Chee Weng Yong, Wee Hsuan Ng, Fun Chee Loh, Kai Wen Teo
Case letters - No abstract.
January 19, 2021: Journal of Oral Implantology
Jorge Toledano-Serrabona, Aleida Romeu-I-Fontanet, Cosme Gay-Escoda, Octavi Camps-Font, Mª Ángeles Sánchez-Garcés
The objective of the present review was to gather all available human randomized clinical trials comparing the clinical and histological results of synthetic bone substitutes used in maxillary sinus floor augmentation. Authors electronically searched in Pubmed/Medline, Scopus and Cochrane databases to analyse the success of endosseous dental implant, implant failure, peri-implant marginal bone loss, newly formed bone and residual bone graft material.  After the search, ten randomized clinical trials were included...
January 19, 2021: Journal of Oral Implantology
Liqin Zhu, Jiakang Yang, Jiaxing Gong, Chenqiu Zhang, Bernhard Ganss, Huiming Wang
OBJECTIVE: To investigate the early bone formation in beagles with mini-lateral window sinus floor elevation and simultaneous implant placement. MATERIAL AND METHODS: Six beagles were selected for the split-mouth design procedures. In each animal one maxillary recess received a 5 mm-diameter mini-round lateral osteotomy (test group) and the contralateral maxillary recess received a large rectangular osteotomy (10 mm long and 8 mm wide), (control group). Simultaneous implant installation was executed on bilateral maxillary recesses...
January 17, 2021: Clinical Oral Implants Research
H-H Chen, C-A Yi, Y-C Chen, H-H Huang
The purpose of this study was to assess the anatomy of antroliths and its influence on the thickness of the maxillary sinus membrane. Cone beam computed tomography (CBCT) was performed on 239 patients (478 sinuses). The prevalence of antroliths per sinus was 8.4%. Regarding their distribution, antroliths were predominantly unilateral (82.5%), single (67.5%), and in a dentate area (60.0%). The antroliths were mainly located in the molar region (95.0%) and in the sinus floor (77.5%). The measured dimensions of the antroliths were as follows: length 5...
January 8, 2021: International Journal of Oral and Maxillofacial Surgery
Shi-Hui Yang, Wan-Qi Yu, Jing-Jie Zhang, Zhe Zhou, Fan-Rong Meng, Jun-Yan Wang, Rui-Ning Shi, Yan-Min Zhou, Jing-Hui Zhao
BACKGROUND: In this case study, a minimally invasive transalveolar approach using platelet-rich fibrin and bone substitute with simultaneous implantation was carried out in an elderly patient. We analyzed the cone-beam computed tomography (CBCT) findings to evaluate bone regeneration. CASE SUMMARY: A 65-year-old female with no contraindications for dental implants and loss of maxillary bilateral molars is described. Examination by CBCT showed the available vertical bone height in the bilateral posterior maxilla was 0...
December 26, 2020: World Journal of Clinical Cases
Jiang-Qin Huang, Chang-Qi Hu, Xun Xia, Shui-Gen Guo, Jin-Mei Gong, Hong-Wu Wei
OBJECTIVE: To explore the changes in bone height of the maxillary sinus floor at different sinus ridge heights after transcrestal sinus floor elevation (tSFE) with the simultaneous implantation of short implants. METHODS: A total of 74 Bicon short implants were implanted into 37 patients during the same period of maxillary sinus elevation. The residual bone height (RBH)<4 mm group has 43 sites, and the RBH≥4 mm group has 31 sites. After 5 years of follow-up observation, the implant survival rate and the change in bone height achieved in the maxillary sinus over time were measured and analyzed via clinical examination and X-ray imaging...
December 1, 2020: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
Xiao-Fei Zheng, An-Chun Mo, Juan-Fang Zhu, Su-Ping Wang, Ya-Jing Du, Yong-Zhi Yao
OBJECTIVE: To investigate the effect of three anatomical parameters (maxillary sinus width, maxillary sinus angle, and residual bone height) on the outcomes of transcrestal sinus lift with simultaneous implant placement. METHODS: A total of 60 maxillary sinuses in 42 patients were included in this study. All patients were treated with transcrestal sinus lift procedure associated with simultaneous implant placement using a composite graft material of autogenous bone and Bio-Oss...
December 1, 2020: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
Sarah Gulameabasse, Florelle Gindraux, Sylvain Catros, Jean-Christophe Fricain, Mathilde Fenelon
The aim of this study was to perform a systematic review on the clinical applications where chorion membrane (CM) and amnion/chorion membrane (ACM) were used for oral tissue regeneration procedures. Selection of articles was carried out by two evaluators in Pubmed and Scopus databases, and Outcomes (PICO) method was used to select the relevant articles. Clinical studies reporting the use of CM or ACM for oral soft and hard tissue regeneration were included. The research involved 21 studies conducted on 375 human patients...
December 22, 2020: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
Rodrigo Dos Santos Pereira, João Paulo Bonardi, Felippe Ricardo Frossard Ouverney, Annelise Backer Campos, Geraldo Luiz Griza, Roberta Okamoto, Eduardo Hochuli-Vieira
OBJECTIVE: The aim of this study is to evaluate the new bone and connective tissue formation and the biomaterial remaining after maxillary sinus bone augmentation using 5 different bone substitutes. The osteocalcin immunolabeling was performed to demonstrate their calcification and the possibility of receiving dental implants. METHODOLOGY: 40 patients underwent maxillary sinus bone augmentation and were divided in 5 groups: Group 1 with 8 maxillary sinuses were grafted with autogenous bone graft (AB); Group 2 with 8 maxillary sinuses grafted with bioactive glass (BG); Group 3 with 8 maxillary sinuses grafted with bioactive glass added to autogenous bone graft (BG + AB) 1:1; Group 4 with 8 maxillary sinuses grafted with Bio-Oss (BO) and Group 5 with 8 maxillary sinuses grafted with Bio-Oss added to autogenous bone graft (BO + AB) 1:1...
2020: Journal of Applied Oral Science: Revista FOB
Mohamadamin Damsaz, Consuelo Zumarán Castagnoli, Majid Eshghpour, Daryouosh Hamidi Alamdari, Aida Hamidi Alamdari, Ziad Eva Fouad Noujeim, Ziyad Samir Haidar
Bone augmentation techniques have increasingly been indicated for re-creating adequate bone height and volume suitable for dental implant sites. This is particularly applicable in the severely atrophic posterior maxilla where sinus perforation (ruptured Schneiderian membrane) is a very common complication and sinus floor elevation or lift is frequently considered a standard procedure. The augmentation of the maxillary sinus can be performed with or without grafting biomaterials. Herein, numerous biomaterials and bone substitutes have been proposed, primarily to sustain the lifted space...
2020: Frontiers in Surgery
Zhixiang Mu, Qingqing He, Liangjing Xin, Yihan Li, Shuai Yuan, Huawei Zou, Linjing Shu, Jinlin Song, Yuanding Huang, Tao Chen
OBJECTIVES: This study aims to assess the angiogenic and osteogenic capacity in rabbit sinus model grafted with Deproteinized bovine bone mineral (DBBM) particles soaked in injectable Platelet rich fibrin (iPRF), both of which interacted to form an integrated block. MATERIALS AND METHODS: Among sixteen rabbits, bilateral maxillary sinuses were randomly grafted with either DBBM containing iPRF (iPRF+DBBM group), or DBBM alone (DBBM group). After a 4 and 8-week healing period, animals were sacrificed for micro-CT, histological and immunofluorescence analyses, respectively...
2020: American Journal of Translational Research
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