scholarly journals Fabrication of Closed Hollow Bulb Obturator Using Thermoplastic Resin Material

2015 ◽  
Vol 2015 ◽  
pp. 1-5 ◽  
Author(s):  
Bidhan Shrestha ◽  
E. Richard Hughes ◽  
Raj Kumar Singh ◽  
Pramita Suwal ◽  
Prakash Kumar Parajuli ◽  
...  
Keyword(s):  
Acrylic Resin ◽  
Clinical Report ◽  
Thermoplastic Resin ◽  
Water Leakage ◽  
Heat Cure ◽  
Maxillary Defect ◽  
Defect Area ◽  
Hollow Bulb Obturator ◽  
Process Complexity ◽  
Laboratory Time

Purpose.Closed hollow bulb obturators are used for the rehabilitation of postmaxillectomy patients. However, the time consuming process, complexity of fabrication, water leakage, and discoloration are notable disadvantages of this technique. This paper describes a clinical report of fabricating closed hollow bulb obturator using a single flask and one time processing method for an acquired maxillary defect. Hard thermoplastic resin sheet has been used for the fabrication of hollow bulb part of the obturator.Method.After fabrication of master cast conventionally, bulb and lid part of the defect were formed separately and joined by autopolymerizing acrylic resin to form one sized smaller hollow body. During packing procedure, the defect area was loaded with heat polymerizing acrylic resin and then previously fabricated smaller hollow body was adapted over it. The whole area was then loaded with heat cure acrylic. Further processes were carried out conventionally.Conclusion.This technique uses single flask which reduces laboratory time and makes the procedure simple. The thickness of hollow bulb can be controlled and light weight closed hollow bulb prosthesis can be fabricated. It also minimizes the disadvantages of closed hollow bulb obturator such as water leakage, bacterial infection, and discoloration.

scholarly journals A method of hollowing the obturator prosthesis and an overview on the pros and cons of the various materials used for hollowing

2021 ◽  
Vol 14 (3) ◽  
pp. 383-389
Author(s):  
◽  
◽  
Sharayu Vinod Nimonkar ◽  
Vikram Murlidhar Belkhode ◽  
Ali Mohammed Asiri ◽  
...  
Keyword(s):  
Simple Technique ◽  
Acrylic Resin ◽  
Denture Base ◽  
Total Maxillectomy ◽  
Wax Pattern ◽  
Defect Area ◽  
Pros And Cons ◽  
Materials Used ◽  
Hollow Bulb Obturator ◽  
Obturator Prosthesis

Prosthetic rehabilitation of a partial or total maxillectomy with an obturator is the most acceptable treatment option. The hollowing of the obturator prosthesis is beneficial as it reduces the stresses over the underlying and surrounding tissues. A simple technique of fabricating a hollow bulb obturator has been discussed in this article. At the step of the packing of a denture, the hollow wax pattern of the defect area is formed with modeling wax. This hollow wax pattern is filled with water and is allowed to freeze to form an ice block. This ice block is removed from the wax pattern and is interposed between two layers for heat-cured acrylic resin and is then cured. After processing the denture, the water is retrieved by making a small hole in denture base, which is packed after hollowing with a cold cure acrylic resin. A lightweight prosthesis with a uniform thickness was achieved with a readily available and easily retrievable material, i.e., ice.

scholarly journals Closed Hollow Bulb Obturator: Laboratory Procedures

2021 ◽  
Vol 2 (2) ◽  
pp. 23-26
Author(s):  
Khadija El Assraoui ◽  
Kanza Mrhar ◽  
Rajae Zeroual ◽  
Khadija Kaoun ◽  
Samira Bellemkhannate
Keyword(s):  
Low Cost ◽  
Acrylic Resin ◽  
The Self ◽  
Light Weight ◽  
Social Reintegration ◽  
Heat Cure ◽  
Laboratory Procedures ◽  
Hollow Bulb Obturator

Patients with maxillectomy face problems with speech, swallowing, chewing and appearance. These defects are prosthetically rehabilitated with obturators that prevent oronasal communication, restoring function and social reintegration. An obturator must be light-weight, tight, easy to make and low cost. This article describes a simplified technique for fabrication of an acrylic hollow bulb obturator in two pieces using single flask. The prosthesis is made entirely of heat cure acrylic resin. The two parts of the obturator are sealed with the self-curing resin.

Digital Impression taking for Maxillary Full-Arch Restoration with Immediate Loading. A Case Report.

2021 ◽  
Author(s):  
Jesús Peláez Rico ◽  
Jorge Cortés-Bretón Brinkmann ◽  
María Carrión Martín ◽  
Mabel Albanchez González ◽  
Celia Tobar Arribas ◽  
...  
Keyword(s):  
Acrylic Resin ◽  
Digital Impression ◽  
Immediate Loading ◽  
Clinical Report ◽  
Intraoral Scanner ◽  
Intraoral Scanning ◽  
Digital Impressions ◽  
Removable Prosthesis ◽  
And Function

The aim of this clinical report is to describe a maxillary full-arch implant supported restoration with immediate loading performed by means of an entirely digital workflow with photogrammetric system and intraoral scanning. A female patient with an edentulous maxillary arch attended the dental clinic seeking a maxillary fixed restoration. After treatment planning, six implants were placed using a surgical splint fabricated digitally by intraoral scanning of her previous removable prosthesis. Multi-unit abutments were fitted and two digital impressions were taken, one with a photogrammetric system for determining implant positions, and the other with an intraoral scanner for soft tissue registration. The acrylic resin structure of the immediate prosthesis was milled and placed within 8 hours of implant surgery. This provisional structure fitted correctly and provided adequate esthetics and function. Radiographic and clinical follow-up after 24 months observed adequate implant evolution.

scholarly journals Prosthodontic Rehabilitation of a Patient with Subtotal Maxillectomy using a Hollow Bulb Obturator

2012 ◽  
Vol 2 (1) ◽  
pp. 24-28 ◽  
Author(s):  
Gita Rani ◽  
Amarjeet Gambhir
Keyword(s):  
Quality Of Life ◽  
Case Report ◽  
Clinical Case ◽  
Soft Tissues ◽  
Prosthetic Reconstruction ◽  
Maxillary Defect ◽  
Hollow Bulb Obturator

ABSTRACT Successful prosthetic reconstruction of hemimaxillectomy defects is a challenging procedure that requires multidisciplinary expertize to achieve acceptable function, speech and esthetics. Rehabilitation of an acquired maxillary defect improves the quality of life for the patient as close to normal as possible. Obturation of the defect depends on its volume and position of remaining hard and soft tissues, to be utilized for retention, stability and support for the prosthesis. The prosthesis should be simple to handle, easy to maintain, biocompatible, light in weight and convenient for future adjustments. This case report describes a clinical case of subtotal maxillectomy, which was successfully rehabilitated with a hollow bulb obturator. How to cite this article Rani G, Gambhir A. Prosthodontic Rehabilitation of a Patient with Subtotal Maxillectomy using a Hollow Bulb Obturator. Int J Prosthodont Restor Dent 2012; 2(1):24-28.

scholarly journals Rehabilitation of Maxillary Defect Using Zygomatic Implant Retained Obturator

2021 ◽  
Vol 2021 ◽  
pp. 1-5
Author(s):  
Mounika Ayinala ◽  
Gautam Shetty
Keyword(s):  
Hard Palate ◽  
Odontogenic Myxoma ◽  
Prosthetic Rehabilitation ◽  
Implant Placement ◽  
Heat Cure ◽  
Maxillary Defect ◽  
Zygomatic Implants ◽  
And Function ◽  
Zygomatic Implant

Tumors involving the hard palate, maxillary sinus, or nasal cavity require maxillectomy based on the extent of the lesion. Lack of these boundaries affects the speech, esthetics, and masticatory function. Prosthetic rehabilitation of these defects can be done utilizing zygomatic implants. This present case describes the use of a zygomatic implant to retain a maxillary obturator in a 22-year-old male patient following partial maxillectomy (Brown’s Class 2b) due to odontogenic myxoma. A surgical obturator was secured in position subsequent to the implant placement. Following the healing period, an interim obturator using heat cure acrylic was fabricated. Mechanical retention for the definitive obturator was obtained through the ball attachment suspended from the multiunit abutment of the zygomatic implant. The case was followed up closely for a year to evaluate the function of the prosthesis. The prosthetic rehabilitation not only promoted esthetics and function but also improved the patient’s quality of life.

Evaluation of Four Different Denture Cleansers on Tea Stain Removal from Heat Cure Clear Acrylic Resin Specimens—An In Vivo Study

2017 ◽  
Vol 09 (02) ◽  
Author(s):  
K C Uma ◽  
K M Mathew ◽  
P Saji ◽  
P Sesha Reddy ◽  
Ashish R Jain ◽  
...  
Keyword(s):  
Acrylic Resin ◽  
In Vivo Study ◽  
Heat Cure ◽  
Stain Removal ◽  
Denture Cleansers

scholarly journals Prosthetic rehabilitation of patient with maxillofacial defect by hollow bulb obturator

2014 ◽  
Vol 11 (3) ◽  
pp. 284-286
Author(s):  
GK Shrestha ◽  
P Parajuli ◽  
P Suwal ◽  
RK Singh
Keyword(s):  
Squamous Cell Carcinoma ◽  
Cell Carcinoma ◽  
Squamous Cell ◽  
Prosthetic Rehabilitation ◽  
Maxillary Defect ◽  
Hollow Bulb Obturator ◽  
Obturator Prosthesis

Introduction: Post-surgical maxillary defect is mostly repaired by the use of an obturator, which is often quite heavy due to the extension into the defect that is better relieved by making it hollow. Objective: To fabricate hollow bulb obturator in simple way. Case: An 85 year old man was referred from ENT department after hemimaxillectomy to remove squamous cell carcinoma, for obturator prosthesis and was treated with hollow bulb obturator prosthesis. Conclusion: The hollow bulb reduces the weight of prosthesis making is comfortable for the patient. DOI: http://dx.doi.org/10.3126/hren.v11i3.9656 Health Renaissance 2013;11(3):284-286

scholarly journals Rehabilitation of Nose following Chemical Burn Using CAD/CAM Made Substructure for Implant Retained Nasal Prosthesis: A Clinical Report

2017 ◽  
Vol 2017 ◽  
pp. 1-7
Author(s):  
Saurabh Chaturvedi ◽  
Tushar Bhagat ◽  
A. K. Verma ◽  
Vishwanath Gurumurthy ◽  
Mariyam Ali ◽  
...  
Keyword(s):  
Acrylic Resin ◽  
Main Concern ◽  
Clinical Report ◽  
Chemical Burn ◽  
Surgical Interventions ◽  
Nasal Prosthesis ◽  
Nasal Defect ◽  
Facial Defect ◽  
Improper Use ◽  
Cad Cam

Insufficient knowledge of medical chemicals and their improper use have destructive effects. Accidental exposure to chemicals on facial tissue may result in large facial defect. For ages the tradition of piercing nose is common but improper use of unknown chemical for piercing has deleterious effect. Mostly rhinectomy defects are acquired caused by trauma or malignant diseases. Prosthetic rehabilitation is the preferred treatment of choice for any large rhinectomy defects as medical and surgical interventions are ineffective in developing esthetics. Main concern with the prosthesis for such defects is retention. This article describes rehabilitation of a patient with large size nasal defect created by chemical burn in childhood during piercing. Implant retained customized silicone nasal prosthesis was fabricated using simple O-ring attachments and innovative modified polyamide acrylic resin substructure acting as skeleton.

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