scholarly journals Architectural changes in alveolar bone for dental decompensation before surgery in Class III patients with differing facial divergence: a CBCT study

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Chung-Chen Jane Yao ◽  
Zwei-Chieng Chang ◽  
Hsiang-Hua Lai ◽  
Li-Fang Hsu ◽  
Hann-Min Hwang ◽  
...  
Keyword(s):  
Alveolar Bone ◽  
Class Iii ◽  
Facial Divergence

scholarly journals Prevalence of Traumatic Dental Injuries in Patients Attending University of Alberta Emergency Clinic

2016 ◽  
Vol 10 (1) ◽  
pp. 315-321 ◽  
Author(s):  
Thamer Alkhadra ◽  
William Preshing ◽  
Tarek El-Bialy
Keyword(s):  
Alveolar Bone ◽  
Dental Trauma ◽  
Class Iii ◽  
Root Fracture ◽  
University Of Alberta ◽  
Number Of Patients ◽  
Dentoalveolar Trauma ◽  
Traumatic Dental Injuries ◽  
The University ◽  
Dental Injuries

Objectives:This study evaluated the prevalence of dental trauma for patients attending the emergency dental clinic at the University of Alberta Hospital between 2006-2009. Patients’ examination and treatment charts were reviewed.Methods:Total number of patients’ charts was 1893.The prevalence of different types of trauma was 6.4 % of the total cases (117 patients). Trauma cases were identified according to Ellis classification and as modified by Hollandet al.,1988.Results:Logistic statistical model showed that 21.7% were Ellis class I trauma, 16.7% were Ellis class II trauma, and 6.7% were Ellis class III. In addition, 11.7 % presented with avulsion, 7.5 % presented with dentoalveolar fracture and 7.5% presented with sublaxation. Also, 17.55 % presented with tooth displacement within the alveolar bone, 3.3 % presented with crown fracture with no pulp involvement, 4.16 % presented with crown fracture with pulp involvement and 3.3 % presented with root fracture. In conclusion, the general prevalence of dentoalveolar trauma in patients attending the emergency clinic at the University of Alberta is less than other reported percentages in Canada or other countries.

scholarly journals Impact of orthognathic surgery on the prevalence of dehiscence in Class II and Class III surgical-orthodontic patients:

2021 ◽  
Author(s):  
Monique Cimão dos Santos ◽  
Lilian Cristina Vessoni Iwaki ◽  
José Valladares-Neto ◽  
Maristela Sayuri Inoue-Arai ◽  
Adilson Luiz Ramos
Keyword(s):  
Orthognathic Surgery ◽  
Alveolar Bone ◽  
Class Ii ◽  
Vascular Supply ◽  
Cone Beam ◽  
Third Molars ◽  
Class Iii ◽  
Before And After ◽  
Orthodontic Patients ◽  
Supply Reduction

ABSTRACT Objectives The objectives were to evaluate and compare the presence of bone dehiscence before and after orthognathic surgery. Materials and Methods In this retrospective study, 90 cone-beam computed tomography (CBCT) scans from 45 patients were evaluated. Class II (n = 23) and Class III (n = 22) orthodontic patients who were being prepared for orthognathic surgery were measured. CBCT scans were obtained about 30 days prior to (T0) and 6 months after (T1) double jaw orthognathic surgery. The distance between the cemento-enamel junction (CEJ) and the alveolar bone crest was assessed at the buccal and lingual surfaces of all teeth, on both sides and arches, except for the second premolars and the second and third molars. A total of 1332 sites were measured for Class II (644) and Class III (688) patients. The software used was OsiriX (version 3.3 32-bit). Data were compared with Wilcoxon and McNemar tests at the 5% level. Results Bone dehiscence before surgery was present in 26% and 15% of the Class II and III groups, respectively. The presence of dehiscence increased to 31% in the Class II and 20% in the Class III patients after surgery (P < .05). Conclusions The prevalence of dehiscence increased slightly in Class II and Class III surgical-orthodontic patients after orthognathic surgery. Temporary vascular supply reduction and oral hygiene difficulties may explain these results; however, more studies are needed.

scholarly journals Clinical and Histologic Evaluation of Using Block Xenograft Combined With Leukocyte-Platelet Rich Fibrin (L-PRF) Versus Intraoral Autogenous Bone Block Graft With L-PRF in Treating Localized Ridge Defects: A Randomized Clinical Trial

Perio J ◽  
2021 ◽  
Vol 5 (1) ◽  
pp. 11-21
Author(s):  
Ahmed Y. Gamal ◽  
Shahinaz G. Elashiry ◽  
Fatma H. Eldemerdash ◽  
Omar M. Elnashar
Keyword(s):  
Alveolar Bone ◽  
Autogenous Bone ◽  
Bone Block ◽  
Bone Augmentation ◽  
Class Iii ◽  
Platelet Rich Fibrin ◽  
Oral Implants ◽  
Histologic Evaluation

Background: Augmentation of vertical bone defects remains the corner stone in periodontal tissue engineering. The amount and quality of alveolar bone available in all dimensions affects the success of dental implants for restoration of edentulous areas. Adequate and healthy bone supports the degree of osseointegration which in turn affects the long-term success of oral implants. The primary aim of the study was to histologically evaluate autogenous block grafts versus synthetic block grafts for the treatment of atrophic vertical and horizontal bony defects (Siebert Class III) in the anterior esthetic zone of the mouth. The secondary aim was to clinically and radiographically evaluate the outcomes of the procedure. Methods: This was a randomized controlled clinical study with a statistically determined sample size of 10 patients per group and a total of 20 patients in both groups. Patients with vertical and horizontal bone loss were enrolled from the Department of Oral Medicine, Periodontology, and Oral Diagnosis of Ain Shams University and Misr International University. Bone augmentation procedures were performed using two techniques: autogenous bone block graft and xenograft bone block graft both with leukocyte-platelet rich fibrin (L-PRF). Results: Both autogenous and xenograft blocks in conjunction with L-PRF had a significant effect on vertical bone augmentation in cases of atrophic ridges in the esthetic region. Conclusion: Both autogenous and xenograft bone blocks in conjunction with L-PRF have a significant effect on vertical bone augmentation in cases of atrophic ridges in the esthetic region.

scholarly journals Mandibular symphysis morphology and dimensions in different anteroposterior jaw relationships

2013 ◽  
Vol 84 (2) ◽  
pp. 304-309 ◽  
Author(s):  
Susan N. Al-Khateeb ◽  
Emad F. Al Maaitah ◽  
Elham S. Abu Alhaija ◽  
Serene A. Badran
Keyword(s):  
Correlation Coefficient ◽  
Alveolar Bone ◽  
Pearson Correlation ◽  
Class Ii ◽  
Class I ◽  
Pearson Correlation Coefficient ◽  
Strongly Correlated ◽  
Class Iii ◽  
Mandibular Symphysis ◽  
Lateral Cephalograms

ABSTRACT Objective: To assess the morphology and dimensions of mandibular symphysis (MS) in different anteroposterior jaw relationships and to investigate whether craniofacial parameters have any correlation with its shape and/or dimensions. Materials and Methods: Lateral cephalograms of subjects with Class I, Class II, and Class III skeletal relationships were traced. Several craniofacial and MS parameters were measured. MS parameters were compared between the three groups using analysis of variance and were correlated with the craniofacial parameters using the Pearson correlation coefficient. Results: Larger angle of concavity of the chin, more inclination of the alveolar bone toward the mandibular plane, and larger MS dimensions and area (P < .001) were found with a Class III skeletal relationship compared to Class I and Class II relationships. The Pearson correlation coefficient between Id-Me and AFH was r  =  0.83 and between Id-Me and LAFH it was r  =  0.81. Conclusions: The dimensions and configuration of MS in the Class III relationship were different than those in Class I and Class II relationships; the alveolar part of MS compensated for the skeletal relationship in the Class III pattern. MS dimensions were strongly correlated to anterior facial dimensions.

Coated vs Uncoated Implants: Bone Defect Configurations After Progressive Peri-implantitis in Dogs

2014 ◽  
Vol 40 (6) ◽  
pp. 661-669 ◽  
Author(s):  
Marwa Madi ◽  
Osama Zakaria ◽  
Shohei Kasugai
Keyword(s):  
Bone Loss ◽  
Bone Defect ◽  
Alveolar Bone ◽  
Bone Defects ◽  
Class Ii ◽  
Alveolar Bone Loss ◽  
Class I ◽  
Class Iii ◽  
Implant Surface ◽  
Plasma Sprayed

In this study, hydroxyapatite coated vs uncoated implants were used to evaluate the type and dimensions of bone defects after progressive peri-implantitis in dogs. Thirty-two dental implants with 4 different surfaces—machined (M), sandblasted acid-etched (SA), 1-μm thin sputter hydroxyapatite (HA)-coated (S), and plasma-sprayed HA-coated (P)—were inserted into the mandibles of 4 beagle dogs after extracting all mandibular premolars. Experimental peri-implantitis was induced after 3 months using ligature to allow for plaque accumulation. After 4 months, ligatures were removed and plaque accumulation continued for 5 months (progression period). The open flap surgery demonstrated 3 patterns of peri-implantitis bone defect: (1) Class I defect: represented as circumferential intra-alveolar bone loss; (2) Class II defect: circumferential intra-alveolar defect with supra-alveolar bone loss exposing the implant surface; and (3) Class III defect: represented as circumferential intra-alveolar defect with supra-alveolar bone loss and buccal dehiscence. Class I was the most frequent (62.5%) defect pattern around implant types M, SA, and S; while implant type-P showed a recurring majority of Class II (62.5%). Comparison among the 4 implant groups revealed a significant defect width (DW) in implant type-P relative to other types (P < 0.01). However, no statistically significant differences were noted for defect depth (DD) (P > 0.05). We concluded that the shape and size of peri-implantitis bone defects were influenced by the type and thickness of the HA coat together with the quantity of the available peri-implant bone. Plasma-sprayed HA-coated implants showed larger peri-implant defects than did thin sputter HA-coated implants.

scholarly journals Alveolar arch shapes and its relation to complete denture retention

2021 ◽  
Vol 5 (1) ◽  
pp. 30-36
Author(s):  
Theresia Tarigan ◽  
Ismet Danial Nasution
Keyword(s):  
Alveolar Bone ◽  
Complete Denture ◽  
Class I ◽  
Alveolar Ridge ◽  
Class Iii ◽  
Facial Musculature ◽  
Arch Forms ◽  
Relationship Of ◽  
Arch Shape ◽  
Alveolar Arch

The alveolar ridge consists of denture bearing mucosa, sub-mucosa and periosteum, and residual alveolar bone. After tooth extraction, the remaining alveolar bone undergoes a remodeling process that leads to morphological reduction and alteration, which results in the change in alveolar ridge forms. However, it does not change alveolar arch shapes. This literature review aimed to analyze the relationship of alveolar arch shapes with complete denture retention. According to House (1958), alveolar arch shapes classified into three classes: Class I-square, Class II-tapering, Class III-ovoid. Those three alveolar arch shapes have a difference in the denture bearing area, with the largest denture bearing site on Class I-Square alveolar arch shape. Some factors that influence complete denture retention are adhesion, cohesion, interfacial force, oral and facial musculature, atmospheric pressure, undercut, rotational insertion path, parallel walls, and gravity. The alveolar arch shapes can affect retention regarding the size of the denture bearing area.The alveolar arch forms with a wider denture bearing area provide more considerable surface contact between the denture and mucous membranes. The forces resulting from those factors of retention might produce more excellent complete denture retention. The square arch shape is the alveolar arch shape with the largest denture bearing area. Hence, the square arch shape is believed to have the best complete denture retention.KEYWORDS: arch shape; retention; complete denture; denture bearing area 

scholarly journals Intentıonal reımplantatıon of hopeless teeth: Cases serıes

2020 ◽  
Vol 4 (2) ◽  
pp. 047-050
Author(s):  
Şen Dilek Özkan ◽  
Irız Betül ◽  
Atay Ümmühan Tekin ◽  
Öncü Elif
Keyword(s):  
Alveolar Bone ◽  
Class Iii ◽  
Anterior Teeth ◽  
Reinforced Composite ◽  
Periodontal Destruction ◽  
Bone Gain ◽  
Periodontal Attachment Loss ◽  
Term Maintenance ◽  
Functional Complaints

Intentional replantation is an alternative for the treatment of advanced periodontal destruction of the anterior teeth. Systemically healthy three female patient was referred to our clinic with functional complaints. Diagnosis were chronic periodontitis and class III mobility was noted at the mandibular incisors with complete periodontal attachment loss. After phase I periodontal treatment periodontally involved teeth were extracted, endodontic treatment accomplished, the teeth were replanted and fixed to its place with fiber reinforced composite splint. At the end of 2 years tooth was in function with alveolar bone gain. Intentional replantation provided long-term maintenance of patient’s own teeth.

Sign in / Sign up

Export Citation Format

Share Document