Management of maxillary alveolar bone fracture and severely intruded maxillary central incisor: report of a case

2012 ◽  
Vol 29 (5) ◽  
pp. 416-419 ◽  
Author(s):  
Hisanobu Yonezawa ◽  
Souichi Yanamoto ◽  
Tomonori Hoshino ◽  
Shin-Ichi Yamada ◽  
Taku Fujiwara ◽  
...  
Keyword(s):  
Bone Fracture ◽  
Alveolar Bone ◽  
Central Incisor ◽  
Maxillary Central Incisor

scholarly journals Permanent maxillary central incisor and first molar rotations in the mixed dentition in repaired complete unilateral cleft lip and palate and their relationship with absence of teeth in their vicinity

2018 ◽  
Vol 88 (5) ◽  
pp. 567-574
Author(s):  
Sunjay Suri ◽  
Suteeta Disthaporn ◽  
Bruce Ross ◽  
Bryan Tompson ◽  
Diogenes Baena ◽  
...  
Keyword(s):  
Bone Grafting ◽  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Alveolar Bone ◽  
Permanent Tooth ◽  
Mixed Dentition ◽  
Central Incisor ◽  
Maxillary Central Incisor ◽  
Anterior Teeth ◽  
Alveolar Bone Grafting

ABSTRACT Objectives: To describe qualitatively and quantitatively the directions and magnitudes of rotations of permanent maxillary central incisors and first molars in the mixed dentition in repaired complete unilateral cleft lip and palate (UCLP) and study their associations with absence of teeth in their vicinity. Materials and Methods: Dental casts and orthodontic records taken prior to orthodontic preparation for alveolar bone grafting of 74 children with repaired UCLP (53 male, 21 female; aged 8.9 ± 1.0 years) were studied. Directions and magnitudes of permanent maxillary central incisor and first molar rotations were recorded. Tooth absence was confirmed from longitudinal radiographic records. Incisor and molar rotations were analyzed in relation to the absence of teeth in their vicinity. Results: Distolabial rotation of the permanent maxillary central incisor was noted in 77.14% on the cleft side, while distopalatal rotation was noted in 82.19% on the noncleft side. Incisor rotation was greater when a permanent tooth was present distal to the cleft side central incisor, in the greater segment. The permanent maxillary first molar showed mesiopalatal rotation, which was greater on the cleft side and when there was absence of one or more teeth in the buccal segment. Conclusions: Presence and absence of teeth were associated with the severity of incisor and molar rotations in UCLP. Crowding of anterior teeth in the greater segment was associated with a greater magnitude of rotation of the cleft side permanent central incisor. Absence of one or more buccal segment teeth was associated with greater magnitude of rotation of the molar.

Esthetic Correction of Rotated Maxillary Central Incisor by Conservative Approach

2016 ◽  
Vol 7 (4) ◽  
pp. 217-220 ◽  
Author(s):  
Girish S Nanjannawar ◽  
Rupal B Gadodia ◽  
Sharad B Kamat ◽  
Rutuja Chopade
Keyword(s):  
Alveolar Bone ◽  
Anatomical Variation ◽  
Longitudinal Axis ◽  
Common Finding ◽  
Conservative Approach ◽  
Central Incisor ◽  
Successful Management ◽  
Functional Rehabilitation ◽  
Maxillary Central Incisor ◽  
Molar Region

ABSTRACT Tooth rotation is a dental anomaly of position, in which there is a displacement of the tooth within the alveolar bone around its longitudinal axis. Although it is a common finding in the premolar—molar region, rotations of the maxillary centrals are extremely rare and such aberrations are multifactorial in their origin. It is important to have a thorough understanding of such anatomical variation, which can cause occlusal and esthetic problems in patients, to alert the dental surgeons, so that they are well prepared to carry out esthetic and functional rehabilitation of the teeth involved. A successful management of 180° rotated maxillary left central incisor by conservative approach is described here. How to cite this article Nanjannawar GS, Gadodia RB, Kamat SB, Chopade R. Esthetic Correction of Rotated Maxillary Central Incisor by Conservative Approach. World J Dent 2016;7(4):217-220.

scholarly journals Assessment of Labial Alveolar Bone Thickness in Maxillary Central Incisor using Cone Beam Computed Tomography

2021 ◽  
Vol 5 (1) ◽  
pp. 2-6
Author(s):  
Shaili Pradhan ◽  
Rejina Shrestha ◽  
Ranjita Shrestha Gorkhali ◽  
Pramod Kumar Koirala
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Alveolar Bone ◽  
Cone Beam ◽  
Central Incisor ◽  
Bone Thickness ◽  
Cross Sectional ◽  
Dental Surgery ◽  
Maxillary Central Incisor ◽  
Significant Difference

Introduction: The maxillary anterior region is becoming a major concern due to its aesthetic relevance. The buccal bone thickness is important for implant placement, orthodontic treatment and restorative treatment. Objective: To assess the thickness of alveolar bone in the maxillary central incisor using cone beam computed tomography (CBCT). Methods: A cross-sectional observational study was conducted at Department of Dental Surgery, Bir Hospital where CBCT of 53 samples from July 2019 till December 2019, the archived CBCT images was assessed retrospectively. The thickness of the labial bone in a direction perpendicular to the outer surface of the tooth root was measured at a distance of 2 mm from the cementoenamel junction (CEJ). The measurement was taken thrice and the mean measurement was considered. Results: The labial alveolar bone thickness in maxillary central incisor was found to be 0.55±0.27 mm at a distance of 2 mm from the CEJ. Only 2 (3.8%) of the samples had an alveolar thickness of >1 mm. No statistically significant difference was found with respect to gender and age. Conclusion: The average thickness of the labial alveolar bone in maxillary central incisor using cone beam computed tomography was found to be thin. 

scholarly journals Correction of Malpositioned Implants through Periodontal Surgery and Prosthetic Rehabilitation Using Angled Abutment

2014 ◽  
Vol 2014 ◽  
pp. 1-9 ◽  
Author(s):  
Érica Dorigatti de Avila ◽  
Rafael Scaf de Molon ◽  
Luiz Antônio Borelli de Barros-Filho ◽  
Marcelo Ferrarezi de Andrade ◽  
Francisco de Assis Mollo ◽  
...  
Keyword(s):  
Alveolar Bone ◽  
Traumatic Injury ◽  
Treatment Protocol ◽  
Interdisciplinary Approach ◽  
Central Incisor ◽  
Maxillary Central Incisor ◽  
Maxillary Tooth ◽  
Immediate Implant ◽  
Provisional Restoration ◽  
Atraumatic Extraction

When dental implants are malpositioned in relation to the adjacent teeth and alveolar bone or in an excessive buccal or lingual position, the final prosthesis rehabilitation impairs the peri-implant health of the gingival tissues and the aesthetics of the patient. Thus, the purpose of this case was to report and discuss a multidisciplinary protocol for the treatment of a compromised maxillary tooth in a patient with an abscess in his right central incisor due to an excessive buccal implant position. The patient presented with an implant-supported provisional restoration on his right maxillary central incisor and a traumatic injury in his left central incisor. The treatment protocol consisted in (i) abutment substitution to compensate the incorrect angulation of the implant, (ii) clinical crown lengthening, (iii) atraumatic extraction of the left central incisor, and (iv) immediate implant placement. Finally, (v) a custom abutment was fabricated to obtain a harmonious gingival contour around the prosthetic crown. In conclusion, when implants are incorrectly positioned in relation to the adjacent teeth, associated with soft-tissue defects, the challenge to create a harmonious mucogingival contours may be achieved with an interdisciplinary approach and with the placement of an appropriate custom abutment.

Centre of Rotation of a Maxillary Central Incisor under Orthodontic Loading

1977 ◽  
Vol 4 (1) ◽  
pp. 23-27 ◽  
Author(s):  
A. L. Yettram ◽  
K. W. J. Wright ◽  
W. J. B. Houston
Keyword(s):  
Mechanical Properties ◽  
Finite Element Method ◽  
Finite Element ◽  
Stress Analysis ◽  
Alveolar Bone ◽  
Central Incisor ◽  
The Finite Element Method ◽  
Maxillary Central Incisor ◽  
Centre Of Rotation ◽  
Supporting Structures

The finite element method of stress analysis is used to model a maxillary central incisor, and the supporting structures of periodontium and alveolar bone. Analyses are then carried out for the tooth under various orthodontic-type loading conditions. In particular, attention is given to how the location of the instantaneous centre of rotation of the tooth is affected by such factors as the position and direction of the applied force and the mechanical properties of the periodontium.

scholarly journals Optimizing Maxillary Aesthetics of a Severe Compromised Tooth through Orthodontic Movement and Dental Implants

2014 ◽  
Vol 2014 ◽  
pp. 1-10 ◽  
Author(s):  
Rafael Scaf de Molon ◽  
Erica Dorigatti de Avila ◽  
Joni Augusto Cirelli ◽  
Mauricio de Almeida Cardoso ◽  
Leopoldino Capelozza-Filho ◽  
...  
Keyword(s):  
Alveolar Bone ◽  
Traumatic Injury ◽  
Treatment Modalities ◽  
Gingival Tissue ◽  
Active Movement ◽  
Ridge Preservation ◽  
Central Incisor ◽  
Bone Apposition ◽  
Maxillary Central Incisor ◽  
Orthodontic Movement

Treatment of severe compromised tooth in the maxillary anterior area still poses great challenge to the clinicians. Several treatment modalities have been proposed to restore the function and aesthetics in teeth with advanced periodontal disease. The present study aims to report a case of traumatic injury of a left-maxillary central incisor with ridge preservation, orthodontic movement, and implant therapy. A 45-year-old woman underwent the proposed treatment for her left central incisor: basic periodontal therapy, xenogenous bone graft, and guided bone regeneration (GBR). Six months after the graft procedure, orthodontic movement by means of alignment and leveling was made and a coronal displacement of the gingival margin and vertical bone apposition could be observed after 13 months of active movement. Afterwards, a dental implant was placed followed by a connective tissue graft and immediate provisionalization of the crown. In conclusion, orthodontic movement was effective to improve the gingival tissue and alveolar bone prior to implant placement favoring the aesthetic results. Six years postoperatively, the results revealed height and width alveolar bone gain indicating that the treatment proposed was able to restore all the functional and aesthetic parameters.

scholarly journals Dental Autotransplantation: The Natural Alternative to Dental Implants

2021 ◽  
Vol 9 (5) ◽  
Author(s):  
Robert Tito
Keyword(s):  
Alveolar Bone ◽  
Central Incisor ◽  
Pertinent Literature ◽  
Maxillary Central Incisor ◽  
Orthodontic Wire ◽  
The Subject ◽  
Traumatic Dental Injuries ◽  
Dental Injuries ◽  
Natural Tooth ◽  
Missing Tooth

Most traumatic dental injuries occur in the preteen males, with the maxillary central incisor being the most commonly avulsed tooth.1,2 When an incisor is lost, its ability to induce growth of the surrounding alveolar bone and gingival tissues is also lost. Therefore, in the maxillary anterior region of a young and growing patient, it is advantageous to replace a missing tooth with a natural tooth that can continue the process of bone induction as the patient continues growing through their teen years. There are currently two techniques to achieve this: 1) Orthodontic substitution 2) Auto transplantation. The methodology and necessary considerations pertaining to autotransplantation are the subject of this publication, and pertinent literature suggests that: a) Ideal donor teeth should be single-rooted, such as a mandibular premolar. b) Donor teeth should be ideally harvested when there is 2/3 to ¾ root development. c) Surgical technique to avoid damaging the periodontal ligament of the donor tooth is absolutely critical. d) Newly autotransplanted teeth should be stabilized for 6-12 weeks with a light orthodontic wire allowing physiologic movement. If the aforementioned protocols are followed, then a success rate of 90% or more can be expected.

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