Unlabelled: URPOSE: The aim of this study was to evaluate the effects resulted by modified maxillary oblique plate in advancing mandible.
Methods: Twelve Class II division II cases (4 males, 8 females) with mandibular retrusion were selected as group 1 aligned by fixed appliances in the upper arches, and their mandibles were advanced by the modified maxillary oblique plates. Meanwhile, twelve Class II division II cases (5 males, 7 females) with mandibular retrusion were selected as group 2 treated with the Twin-block. The average age was 11 years 8 months in group 1, and 11 years 6 months in group 2. The effects of advancing mandible were compared between the two groups by analyzing cephalometric films before and after treatment with SAS6.0 software package.
Results: Mandibular advancement was achieved in the two groups. Mandibular anterior teeth labial tipping was more obvious in group 1 than in group 2, but without significant those(P>0.05). Both mesial and occlusal movements of the lower first molar in group 2 were more significant than those in group 1 (P<0.05).
Conclusions: Based on the results, the modified maxillary oblique plate is an excellent appliance for the advancing mandible in Class II division II cases with the advantages of economics, simplification and effectiveness.
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Orthod Craniofac Res
January 2025
Department of Orthodontics, Dental School, Okan University, Istanbul, Turkey.
Objective: Primary aim was to analyse dentoalveolar and skeletal effects induced by an anterior open bite (AOB) treatment protocol for intrusion of maxillary buccal segment. Secondary aim was to investigate whether a subsequent change occurred in hyoid position.
Materials And Methods: Study group included 28 non-growing subjects treated in academic setting for correction of AOB.
Case Rep Dent
January 2025
Department of Cranio-Maxillofacial Surgery, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham, Kochi, India.
For managing peri-implantitis, a variety of treatment modalities involving both surgical and nonsurgical methods including implantoplasty have been proposed. Implants that are placed in a free fibula flap are more prone to peri-implantitis due to the absence of firm, keratinized mucosa. Prosthetic design that offers adequate hygiene access should be designed whenever possible; otherwise, it may lead to the accumulation of plaque or biofilm that may lead to peri-implant diseases.
View Article and Find Full Text PDFJ Craniofac Surg
November 2024
Department of Oral and Maxillofacial Surgery, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea.
Dental implantation in the posterior maxilla is challenging due to anatomic proximity to the sinuses, relative bone quality, and pre-existing sinus diseases. An oroantral fistula (OAF) acts as a pathologic pathway of bacteria and can cause sinus infections and complicate dental implant management. Bony augmentation between the sinus floor mucosa and the oral mucosa at the OAF closure site is another critical consideration.
View Article and Find Full Text PDFJ Craniofac Surg
November 2024
Department of Physical Functions, Division of Oral and Maxillofacial Surgery, Kyushu Dental University.
In cases where oral cancer spreads toward the maxillary tubercle, surgery may extend to the pterygopalatine fossa. There are 2 main extraoral approaches: anterior and lateral. Previously, we introduced a modified lateral approach with a mouth corner incision from the lower lip, that preserves the mental and marginal mandibular nerves.
View Article and Find Full Text PDFBMC Oral Health
January 2025
Department of Fixed Prosthodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt.
Background: Anatomically formed healing abutments were suggested in literature to address many of the issues associated with immediate posterior implant insertion such as large extraction sockets that are extremely hard to seal without reflecting the mucoperiosteal flap, extraction sockets anatomy that are not suitable for regular healing abutment placement, and potentially high occlusal stresses when planning a temporary implant supported prothesis to improve the conditioning of supra implant tissue architecture and the emergence profile of the implant supported restorations.
Purpose: To clinically evaluate the peri-implant soft tissue profile of single posterior implant retained restorations and to assess patient related outcomes of the implant restorations that were conditioned immediately by CAD-CAM socket sealing abutments (SSA) versus those conditioned by Titanium (Ti) standard healing abutments (SHA).
Methods: Twenty participants received twenty-two single maxillary immediate implants after flapless minimally invasive tooth extraction and 3D guided implant placement in the posterior area (premolar and molar) and allocated randomly into two groups (n = 11), the intervention group: patients received PEEK SSA and the control group: the patients received Ti SHA.
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