No abstract available.
Jaw, Edentulous*

The occlusion design of dental implants is related to the growing popularity of dental implantology. This paper discusses the occlusion design of the edentulous implant prosthesis and the relationships between stress change and the alveolar bone and between the occlusal design and implantation complications. The horizontal relationship of condyle, the design of the canine-guided occlusion, and the similarities and differences between the dental implant and the natural teeth on biteforce response are mentioned.
Alveolar Bone Loss ; Dental Implantation, Endosseous ; Dental Implants ; Dental Occlusion ; Dental Prosthesis Design ; Dental Prosthesis, Implant-Supported ; Dental Restoration Failure ; Humans ; Jaw, Edentulous ; Jaw, Edentulous, Partially

Nowadays, dental implant is one of the widely used treatment options for edentulous patients. Recently, a method of improving the accuracy of implant surgery using an implant surgical guide has been introduced and widely used in order to accurately place the implant in a proper position. Full-guided and half-guided implant surgery can be distinguished according to the level of surgical guide application during the implant surgery. It is true that full-guided implant surgery exhibits higher accuracy, but half-guided implant surgery is often performed in a clinical situation due to the factors such as the circumstances of the operation. A partially edentulous patient who lost teeth due to tooth fracture and periodontal disease was treated using implant and fixed prosthesis. Half-guided implant surgery was performed using an implant surgical guide during implant surgery, the accuracy of implant placement was analyzed.
Dental Implants ; Humans ; Jaw, Edentulous, Partially ; Methods ; Periodontal Diseases ; Prostheses and Implants ; Tooth ; Tooth Fractures

Animals ; Dental Implantation, Endosseous ; Dental Implants ; Dental Implants, Single-Tooth ; Denture, Complete, Immediate ; Denture, Partial, Immediate ; Humans ; Immediate Dental Implant Loading ; methods ; Jaw, Edentulous ; rehabilitation ; Jaw, Edentulous, Partially ; rehabilitation ; Mandible ; Maxilla

OBJECTIVETo investigate the clinical feasibility and technical characteristics of immediate loading and to access the short-term clinical results of treatment.

METHODSThis study included 3 completely edentulous patients and 24 patients who were partially edentulous from March 1999 to December 2003. 21 implants were immediately loaded and provided support for mandibular overdenture for 3 fully edentulous patients. 30 implants were placed in 21 partially edentulous patients and implants were immediate loaded in edentulous mandibular providing support for fixed provisional prosthesis within 6 months. Then, metal-ceramic crowns were completed. All patients were followed up by 1, 3, 6, 12 months and the patients were checked every 12 months.

RESULTSA total of 42 implants were loaded immediately. From March 1999 to December 2003, no implants were lost during follow-up (range 3 to 49 months, mean of 28 months). No infections, nerve or sinus damage or other sequelae occurred. No implants exhibited peri-implant radiolucencies. Moreover, immediate loading seems to increase the ossification of the alveolar bone around endosseous implants. Patients were satisfied with the treatment.

CONCLUSIONSThe data and the experience described in this study indicate that immediate loading with restorations using appropriate surgical and restorative techniques can predicate the completely edentulous and partially edentulous mandible in some cases. Further study is needed to determine the long-term result of immediately loaded implants.

Adult ; Dental Abutments ; Dental Implantation, Endosseous ; methods ; Dental Implants ; Dental Prosthesis Design ; Dental Prosthesis Retention ; instrumentation ; Dental Prosthesis, Implant-Supported ; Denture, Complete, Immediate ; Denture, Partial, Immediate ; Female ; Humans ; Jaw, Edentulous ; surgery ; Jaw, Edentulous, Partially ; rehabilitation ; surgery ; Male ; Middle Aged

Aged ; Alveolar Bone Loss ; pathology ; Alveolar Process ; pathology ; Dental Care for Aged ; Dental Implantation, Endosseous ; Dental Occlusion ; Dental Restoration, Permanent ; Humans ; Jaw, Edentulous, Partially ; pathology ; Mouth, Edentulous ; pathology ; Tooth Loss ; pathology

OBJECTIVETo evaluate the application and the effect of edentulous ridge expansion(ERE) technique in maxillary endossenous implant placement.

METHODS49 patients with maxillary alveolar ridge atrophy received edentulous ridge expansion using condenser. In order to be similar to natural root, dental implants were selected and placed to tooth missed sites according to the requirements of aesthetics, function and dimension.

RESULTS49 patients with atrophied alveolar ridge received 86 implants. The labio-lingual width augmented from 3.3 to 5.4 mm and the alveolar ridge height from 2 to 7 mm 6 months after operation. The implants osseintergrated tightly with alveolar bone and second-step prosthesis was performed 6 months after implant placement.

CONCLUSIONThe edentulous ridge expansion technique can meet the requirements of aesthetics and function and is applicable to endossenous implant placement in maxilla. The method is simple and valuable to clinical application.

Adolescent ; Adult ; Alveolar Ridge Augmentation ; methods ; Atrophy ; surgery ; Dental Implantation, Endosseous ; methods ; Female ; Gingiva ; pathology ; Humans ; Jaw, Edentulous, Partially ; surgery ; Male ; Maxilla ; Middle Aged ; Osseointegration

Humans ; Jaw, Edentulous ; therapy ; Maxilla ; Prostheses and Implants

This article describes how to use CBCT and an intraoral scanner in a fully edentulous case that enables the clinician to place implants with flapless guided surgery and to engage prefabricated, customized implant abutments at the time of implant surgery, with only 1 clinical consultation before implant surgery. The patient's existing denture is used to simulate the teeth, the soft tissue and the vertical dimension of occlusion, and jaw relationship in the fully edentulous jaw. It provides clinicians with a fast workflow and improves clinical efficiency.
Dentures ; Humans ; Jaw ; Jaw, Edentulous ; Tooth ; Vertical Dimension

PURPOSE: The purpose of this study was to compare two novel impression methods and a conventional impression method for edentulous jaws using 3-dimensional (3D) analysis software. MATERIALS AND METHODS: Five edentulous patients (four men and one woman; mean age: 62.7 years) were included. Three impression techniques were used: conventional impression method (CI; control), simple modified closed-mouth impression method with a novel tray (SI), and digital impression method using an intraoral scanner (DI). Subsequently, a gypsum model was made, scanned, and superimposed using 3D analysis software. Mean area displacement was measured using CI method to evaluate differences in the impression surfaces as compared to those values obtained using SI and DI methods. The values were confirmed at two to five areas to determine the differences. CI and SI were compared at all areas, while CI and DI were compared at the supporting areas. Kruskal-Wallis test was performed for all data. Statistical significance was considered at P value <.05. RESULTS: In the comparison of the CI and SI methods, the greatest difference was observed in the mandibular vestibule without statistical significance (P>.05); the difference was < 0.14 mm in the maxilla. The difference in the edentulous supporting areas between the CI and DI methods was not significant (P>.05). CONCLUSION: The CI, SI, and DI methods were effective in making impressions of the supporting areas in edentulous patients. The SI method showed clinically applicability.
Calcium Sulfate ; Female ; Humans ; Jaw ; Jaw, Edentulous ; Male ; Maxilla ; Methods