keyword
https://read.qxmd.com/read/38518232/clinical-efficiency-and-stability-of-surface-modified-implants-acid-modification-versus-photoactivation
#21
JOURNAL ARTICLE
Serhii S Terekhov, Andriy M Proshchenko, Nina S Proshchenko, Dina V Shorikova
OBJECTIVE: . Aim: To study the stability of surface-modified dental implants, with the usage of sandblasting/acid modification vs. photoactivation. PATIENTS AND METHODS: Materials and Methods: In the observation were included 164 patients with dental defects. All patients had digital impressions taken by scanning the oral cavity with an intraoral scanner 3Shape TRIOSR. Group A (80 subjects) included implants whose surface was modified with a combination of sandblasting and acid...
2024: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://read.qxmd.com/read/38517983/implant-survival-rate-and-marginal-bone-loss-of-174-implants-with-different-variables-associated-over-a-minimum-observational-period-of-20-years-a-retrospective-study
#22
JOURNAL ARTICLE
Massimo Carossa, Francesco Pera, Mario Alovisi, Michele Ponzio, Gianmario Schierano, Giuseppe Migliaretti, Stefano Carossa, Nicola Scotti
PURPOSE: To investigate the long-term implant survival rate and marginal bone loss (MBL) of implants with different variables associated over an observational period of at least 20 years. MATERIALS AND METHODS: Patients with at least one implant placed prior to 2001 were recalled and visited. Data on implant macro-design, prosthetic aspects, site distribution, and patient-related factors were collected. MBL was evaluated on intraoral X-rays and peri-implant soft tissue parameters were recorded...
March 22, 2024: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://read.qxmd.com/read/38517307/does-intra-oral-scan-improve-the-impression-accuracy-of-full-arch-implant-supported-prostheses-a-systematic-review-and-meta-analysis
#23
REVIEW
Zheng-Zhen Cai, Xin Li, Xin-Yu Wu, Hong-Chang Lai, Jun-Yu Shi
OBJECTIVES: The present study aimed to systematically review the studies comparing the accuracy of intraoral scan (IOS) and conventional implant impressions (CI) in completely edentulous patients. MATERIALS AND METHODS: Electronic searches were performed in PubMed, Embase and Cochrane CENTRAL up to December 1, 2023. Clinical studies and in vitro studies reporting the accuracy of digital full arch impressions were included. The primary outcome is the 3-dimensional deviations between the study reference models...
March 22, 2024: Clinical Implant Dentistry and related Research
https://read.qxmd.com/read/38513226/3d-printed-custom-tray-for-maxillofacial-implant-assisted-partial-denture
#24
JOURNAL ARTICLE
Yutaro Oyamada, Yuka Sasaki, Kazuhiro Kon
This technique presents a new fabrication workflow for a three-dimensional (3D) printed custom tray, which duplicates the morphology of the treatment denture for maxillofacial prostheses using an intraoral scanner, computer-aided design (CAD) software, and a 3D printer. A 70-year-old man underwent reconstruction of segmental mandibulectomy for mandibular osteoblastoma, followed by implant placement and secondary surgery. During the surgical treatment, a treatment denture was fabricated to restore oral function and determine the morphology of the definitive denture...
March 21, 2024: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://read.qxmd.com/read/38509790/detection-characterisation-and-management-of-complex-root-canal-configurations-in-the-mesiobuccal-roots-of-maxillary-first-molars-a-case-series
#25
Michael Arnold, Hany Mohamed Aly Ahmed
This report presents the detection, characterisation, instrumentation and filling of complex canal configurations in the mesiobuccal (MB) root of maxillary first molars. Three patients were referred for root canal treatment in first maxillary molars. Medical history, age, sex and clinical findings were recorded. Intraoral periapical radiographs and cone beam computed tomography (CBCT) were used for diagnosis and pre-operative assessment. Using Ahmed et al. (2017) classification system, codes 3 MaxM MB3-5-4-2 DB1-2-1 P1 (case 1), 3 MaxM MB2-5-3-2 DB1 P1 (case 2) and 3 MaxM MB1-4-2-1-2 DB1 P1 (case 3) were identified...
March 21, 2024: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://read.qxmd.com/read/38508997/en-masse-retraction-of-anterior-teeth-through-rapid-periodontal-distraction-by-a-retraction-screw-a-randomized-control-trial
#26
JOURNAL ARTICLE
Hibu Dora, Mubasshir Ahmed Shaikh, Seema Gupta, Sameena Begum Maqhbool, Salim Shamsuddin, Saraswati Raghunath Kokate
BACKGROUND: Rapid distraction of the periodontal ligament is an effective method to shorten the orthodontic treatment time. The objectives of the present study were to assess the effects of an HYCON device (Adenta GmbH, Germany) on the rate of en masse retraction of the anterior teeth, duration of retraction, anchorage loss, root resorption, and soft tissue changes. METHODS: This study was conducted on 60 female patients aged >18 years, divided randomly into two equal groups: Group 1 comprised 30 patients with HYCON, and group 2 comprised 30 patients with nickel-titanium closed coil springs...
March 19, 2024: Journal of the World Federation of Orthodontists
https://read.qxmd.com/read/38508394/accuracy-of-dental-implants-positioning-in-computer-assisted-surgeries-in-vitro-study
#27
JOURNAL ARTICLE
Erick Andres Alpaca Zevallos, Luciano Henrique Ferreira Lima, Karine Laura Cortellazzi Mendes, Alexander Tadeu Sverzut
OBJECTIVES: The aim of this study is to presents an experimental method for surgical guide confection using an intraoral scanner to obtain a 3D model of the patient's complete denture and compare its accuracy with the conventional methodology using computed tomography. STUDY DESIGN: This prospective in-vitro study used 30 polyurethane pre-manufactured mandibles which were divided into two groups, conventional technique (group I) and a new method using intraoral scanner (group II), establishing the virtually planned position of the dental implants as a control group, considered as the gold standard for postoperative comparison...
March 18, 2024: Journal of Stomatology, Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38507286/maxillomandibular-relationship-and-virtual-facebow-integration-in-complete-arch-intraoral-implant-scan-a-novel-clinical-technique
#28
JOURNAL ARTICLE
Philippe Nuytens, Francesco Grande, Junying Li, Luca Lepidi
This clinical report introduces a novel clinical technique to create a 3D virtual patient for transferring the edentulous maxillary arch position with maxillomandibular relationship by using a facial scan device and an intraoral scanner and omitting CBCT imaging.
March 20, 2024: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://read.qxmd.com/read/38507280/augmented-reality-assisted-intraoral-scanning-a-proof-of-concept-study
#29
JOURNAL ARTICLE
Seung Jun Song, Madison Tang, Brynn Gwartzman, Derek Lee, Pierluigi Romandini, Maurice Salem, Patrick Kwon, Steven K Feiner, Irena Sailer
PURPOSE: The aims of the present study were (a) to compare the scanning time and image count to complete optical scans of a typodont between augmented-reality-assisted intraoral scanning (ARIOS) and intraoral scanning (IOS); (b) to compare the accuracy of the digital casts derived from ARIOS and IOS; (c) to compare participant-related outcomes between ARIOS and IOS. MATERIALS AND METHODS: A multi-session within-subject experiment was conducted to compare ARIOS and IOS...
March 20, 2024: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://read.qxmd.com/read/38506824/orofacial-anomalies-in-kindler-epidermolysis-bullosa
#30
JOURNAL ARTICLE
Susanne Krämer, Anna Lena Hillebrecht, Yao Wang, Mihail-Alexandru Badea, Jose Ignacio Barrios, Sorina Danescu, Ignacia Fuentes, Demet Kartal, Alfred Klausegger, Enrique Ponce de León, Reinhard Schilke, Ivelina Yordanova, Agnes Bloch-Zupan, Cristina Has
IMPORTANCE: Kindler epidermolysis bullosa is a genetic skin-blistering disease associated with recessive inherited pathogenic variants in FERMT1, which encodes kindlin-1. Severe orofacial manifestations of Kindler epidermolysis bullosa, including early oral squamous cell carcinoma, have been reported. OBJECTIVE: To determine whether hypoplastic pitted amelogenesis imperfecta is a feature of Kindler epidermolysis bullosa. DESIGN, SETTINGS, AND PARTICIPANTS: This longitudinal, 2-center cohort study was performed from 2003 to 2023 at the Epidermolysis Bullosa Centre, University of Freiburg, Germany, and the Special Care Dentistry Clinic, University of Chile in association with DEBRA Chile...
March 20, 2024: JAMA Dermatology
https://read.qxmd.com/read/38505316/aerosol-generating-procedures-and-associated-control-mitigation-measures-position-paper-from-the-canadian-dental-hygienists-association-and-the-american-dental-hygienists-association
#31
JOURNAL ARTICLE
Abdulrahman Ghoneim, Diego Proaño, Harpinder Kaur, Sonica Singhal
BACKGROUND: Since the outbreak of COVID-19, how to reduce the risk of spreading viruses and other microorganisms while performing aerosolgenerating procedures (AGPs) has become a challenging question within the dental and dental hygiene communities. The purpose of this position paper is to summarize the evidence of the effectiveness of various mitigation methods used to reduce the risk of infection transmission during AGPs in dentistry. METHODS: The authors searched 6 databases-MEDLINE, EMBASE, Scopus, Web of Science, Cochrane Library, and Google Scholar-for relevant scientific evidence published between January 2012 and December 2022 to answer 6 research questions about the risk of transmission, methods, devices, and personal protective equipment (PPE) used to reduce contact with microbial pathogens and limit the spread of aerosols...
February 2024: Canadian journal of dental hygiene: CJDH, Journal canadien de l'hygiène dentaire: JCHD
https://read.qxmd.com/read/38503387/comparison-of-different-dual-wavelength-photobiomodulation-protocols-application-in-third-molar-extractions-a-split-mouth-randomized-controlled-trial
#32
JOURNAL ARTICLE
Davisson Alves Pereira, Mariana Silva Bonatto, Samara de Souza Santos, Pedro Gomes Junqueira Mendes, Roberto Sales E Pessoa, Guilherme José Pimentel Lopes de Oliveira
OBJECTIVE: To compare the use of PBMT in the soft tissue and bone healing after third molar extraction using the dual-wavelength laser directly into the post-extraction alveoli (PBMT-I), or PBMT with a red laser directly into the alveoli and with an infrared laser externally on the patient's face (PBMT-IE). METHODS: Twenty patients underwent extraction of four third molars were involved in this split-mouth double-blind randomized controlled trial. The Post-extraction alveoli were treated with the following protocols: PBMT-IE: Application of a red laser directly into the alveolus, and infrared laser irradiation transcutaneously and PBMT-I: Application of dual-wavelength laser intraorally...
March 17, 2024: Photodiagnosis and Photodynamic Therapy
https://read.qxmd.com/read/38501402/immediate-single-tooth-replacement-with-acellular-dermal-matrix-allogeneic-bone-and-ossifying-collagen-scaffold-a-case-series
#33
JOURNAL ARTICLE
David Barack, Yi-Te Edward Lin, Yu Wang, Rodrigo Neiva
The pursuit of predictable implant success in the aesthetic zone continues as technology develops. Creating stable marginal bone and an optimal peri-implant mucosal environment is the foundation for a long-term healthy and aesthetic implant treatment outcome. Tissue stability is dependent on multiple factors, including the regenerative materials used to create the peri-implant supporting tissues and maintain the tissue volume. The present study aims to describe a technique that combines a flapless approach to extract hopeless teeth in the aesthetic zone and implant insertion using an acellular dermal matrix placed to contain the coronal aspect of an innovative ossifying collagen scaffold designed to promote neoformation of vital native bone...
March 19, 2024: International journal of oral implantology
https://read.qxmd.com/read/38500254/comparative-accuracy-of-intraoral-and-extraoral-digital-workflows-for-short-span-implant-supported-fixed-partial-denture-fabrication-an-in-vitro-study
#34
JOURNAL ARTICLE
Manawar Ahmad Mansoor, Mohammed E Sayed, Hina Naim Abdul, Meshal Saleh Zaidan, Thamer Mohammad Hakami, Mohammed Abdullah Dighriri, Saeed M Alqahtani, Mohammed A Alfaifi, Majed S Altoman, Hossam F Jokhadar, Saad Saleh AlResayes, Mohammed H AlWadei, Asayil Ibrahim Jundus, Abeer Mohammed Komosany, Hind Ziyad AlNajjar
BACKGROUND The advent of digital impressions using computer-aided design and manufacturing technology (CAD/CAM) has simplified and improved the fabrication of implant prostheses in dentistry. The conventional impression has several drawbacks, including tray selection, material type, impression technique, impression disinfection, and cast model storage. The inaccuracies caused by distortion and contraction of impression material can be minimized with digital impressions. This study aimed to compare digital dental impressions of 10 working casts made using the Pindex laser removable die system to fabricate parallel drill channels vs 10 working casts made using the Di-Lok plastic tray removable die system...
March 19, 2024: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://read.qxmd.com/read/38500215/digital-design-of-a-hybrid-bone-and-tooth-supported-surgical-guide-in-patients-with-unilateral-few-remaining-natural-teeth-a-dental-technique
#35
JOURNAL ARTICLE
Medhat Sameh Abdelaziz, Esraa M Elshikh
A technique for the design of a hybrid tooth and bone-supported implant drilling guide is described. The patient was scanned using cone beam computed tomography and an optical intraoral scanner. The dicom file was segmented according to the area of interest composed of bone and the remaining natural teeth. The Standard Tessellation Language (STL) file was trimmed to only the teeth providing support, followed by merging between the bone and teeth files in one STL. The implant drilling guide was designed with the Real Guide software program, and the file was 3-dimensionally printed in clear surgical guide resin...
March 18, 2024: BMC Research Notes
https://read.qxmd.com/read/38499986/multiple-congenital-granular-cell-epulis-involving-different-parts-of-the-oral-cavity-a-case-report
#36
JOURNAL ARTICLE
Yuelin Qin, Ningning Hu, Cuimei Zhang, Junwei Wang, Xuecai Yang
Congenital granular cell epulis (CGCE) is a rare disease, particularly when it affects multiple oral and maxillofacial regions. We present the case of a female neonate with 4 asymptomatic masses attached to the maxillary and mandibular gingiva as well as the tongue. Due to the size of the masses causing feeding and respiratory difficulties, lesion removal was performed under general anesthesia. Histopathological analysis revealed tightly arranged polygonal cells with abundant granular eosinophilic cytoplasm...
March 18, 2024: Ear, Nose, & Throat Journal
https://read.qxmd.com/read/38498863/dimensional-stability-of-additively-manufactured-diagnostic-maxillary-casts-fabricated-with-different-model-resins
#37
JOURNAL ARTICLE
Mustafa Borga Dönmez, Alena Bruna Wepfer, Mehmet Esad Güven, Gülce Çakmak, Martin Schimmel, Burak Yilmaz
PURPOSE: To evaluate the effect of model resin type and time interval on the dimensional stability of additively manufactured diagnostic casts. MATERIALS AND METHODS: Ten irreversible hydrocolloid impressions and 10 impressions from an intraoral scanner were made from a reference maxillary stone cast, which was also digitized with a laboratory scanner. Conventional impressions were poured in type III stone (SC), while digital impressions were used to additively manufacture casts with a nanographene-reinforced model resin (GP) or a model resin (DM)...
February 21, 2024: International Journal of Prosthodontics
https://read.qxmd.com/read/38498861/trueness-of-crown-preparation-dies-in-dental-models-an-in-vitro-assessment-of-digital-and-analog-workflows
#38
JOURNAL ARTICLE
Liudas Auskalnis, Mykolas Akulauskas, Darius Jegelevicius, Vygandas Rutkunas
PURPOSE: To assess crown die trueness using additive manufacturing (AM) based on intraoral scanning (IOS) data and compare it with stone models. MATERIALS AND METHODS: Crown dies with four finish line types- equigingival shoulder (SAE), subgingival shoulder (SAS), equigingival chamfer (CAE), and subgingival chamfer (CAS)-were incorporated into a reference model and scanned with a coordinate measurement machine (CMM; n = 1 scan). Trios4 (3Shape) scans generated a second reference dataset (IOS; n = 10 scans)...
February 21, 2024: International Journal of Prosthodontics
https://read.qxmd.com/read/38498790/extracorporeal-shockwave-therapy-eswt-a-novel-method-for-transferring-oral-implant-primary-failures-to-final-clinical-success-a-test-case-report-followed-up-over-more-than-6-years
#39
JOURNAL ARTICLE
Luis Amengual, Manuel Brañes, Francisco Marchesani, Leopold Parada, Maria Constanza Jara, Tomas Albrektsson
PURPOSE: To evaluate the feasibility of reversing a primary failure through therapeutic mechanical stimulation induced by transcutaneous application of acoustic waves (ESWT) in the peri-implant tissues. Materials and Μethods: This clinical report evaluates the outcome of a new protocol proposed to treat a primary failure (loosened oral implant); application of three cycles of ESWT, once session per week for 3 consecutive weeks, with an equivalent positive energy of 0,18 mJ/mm² (therapeutic dose: 2000 impulses/ 8Hz/ 4...
March 18, 2024: International Journal of Oral & Maxillofacial Implants
https://read.qxmd.com/read/38497440/microbial-composition-and-diversity-in-intraradicular-biofilm-formed-in-situ-new-concepts-based-on-next-generation-sequencing
#40
JOURNAL ARTICLE
Felipe Barros Matoso, Francisco Montagner, Fabiana Soares Grecca, Pabulo Henrique Rampelotto, Patrícia Maria Poli Kopper
This study aimed to characterize the taxonomic composition of intraradicular multispecies biofilms (IMBs) formed in situ in a model to reproduce clinical conditions. Twelve palatal roots of maxillary molars had its canals prepared. Two roots were randomly selected to sterility control. Ten intraoral prosthetic appliances with lateral slots were fabricated. The roots were positioned in the slots with the canal access open to the oral cavity. Eight volunteers wore the appliance for 21 days, and two wore it at two different time points...
March 18, 2024: Molecular Oral Microbiology
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