Maximum Biting Force of Inject Able Thermoplastic Resin Versus Conventional Resin in Complete Denture Patients
NCT ID: NCT03221361
Last Updated: 2017-07-19
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
NA
21 participants
INTERVENTIONAL
2017-08-01
2017-12-01
Brief Summary
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Detailed Description
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A double layer wax spaced self-cured acrylic resin will be used to prepare a special tray for each patient. The special tray using also irreversible hydrocolloid material makes a secondary impression. The secondary impressions will be poured using extra hard dental stone to get the master casts.
At this point the patient is given a number to enter one of the two groups either the intervention group or the control group.
For the intervention group, the framework of the thermoplastic resin is usually thicker than that of the metal. At this time the framework wax pattern will be ready for spruing and flasking using specially designed flasks. The injection of the thermoplastic resin will be started after the elimination of wax and the procedure will be done using thermopress machine.
In the third visit for all patients, the finished denture bases of thermoplastic resin will be tried inside the patient's mouth to check its fitting, retention, reciprocation and opposing occlusion.
Then, a face bow record will be taken for each patient which will be used to mount the maxillary cast on the articulator. For mounting the mandibular cast, either an intercuspal or centric jaw relation will be used. Artificial teeth will be set up and tried in in the patient's mouth in the fourth visit to check esthetics, phonetics, lip support, occlusion and uneven pairing.
In The fifth visit, the finished prosthesis will be adjusted and delivered to each patient, the outcome data will be collected using a questionnaire, and a salivary swap is taken for microbial count detection.
Complete dentures will be constructed for all patients; Group- I: patients will receive complete dentures from thermoplastic material Group- II: patients will receive complete dentures from conventional Poly methyl Methacrelate resin.
Then use Gnatho-dynamometer for measure the biting force for all patients
Conditions
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Study Design
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RANDOMIZED
PARALLEL
HEALTH_SERVICES_RESEARCH
TRIPLE
The participant patients will be blinded. The outcome assessor for biting force can be blinded during the measurement, the operator cannot be blinded.
Study Groups
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Thermoplastic resin group
Thermoplastic complete denture placement is done
thermoplastic complete denture
a device used ti substitute teeth for edentlous patient made of thermoplastic resin
conventional acrylic resin group
conventional acrylic resin complete denture placement is done
conventional acrylic resin complete denture
A device used to substitute the teeth for edentlous patient made of acrylic resin
Interventions
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thermoplastic complete denture
a device used ti substitute teeth for edentlous patient made of thermoplastic resin
conventional acrylic resin complete denture
A device used to substitute the teeth for edentlous patient made of acrylic resin
Eligibility Criteria
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Inclusion Criteria
* No bone irregularities
* Good oral hygiene
* Should be co-operative
* Medically free
* No TMJ Problems
Exclusion Criteria
* Serious systemic problem
* Patient with xerostomia
* Severely resorbed ridge
18 Years
65 Years
ALL
Yes
Sponsors
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Cairo University
OTHER
Responsible Party
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Ahmed saad eid
Dr.
Central Contacts
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References
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1. Brunello DL, Mandikos MN (1998) Construction faults, age, gender, and relative medical health: factors associated with complaints in complete denture patients. J Prosthet Dent 79, 545-554. 2. Craig RG, Powers JM, et al. Restorative Dental Materials. 11th ed. St Louis: Mo, Mosby; 2002. pp. 636-689. 3. O Bricn WJ. Dental Material and their selection. 4th ed. Chicago: Quintessence Publishing Co, Inc.; 2008. pp. 75-113. 4. Marei MK. Reinforcement of denture base resin with glass fillers. J Prosthodont. 1999; 8: 18-26. 5. Vojdani M, Khaledi AAR. Transverse Strength of Reinforced Denture Base Resin with Metal Wire and E-Glass Fibers. J Dent Tehran Univ Med Scien. 2006; 3: 167-172. 6. Vojdani M, Bagheri R, Khaledi AAR. Effects of aluminum oxide addition on the flexural strength, surface hardness, and roughness of heat-polymerized acrylic resin. Journal of Dental Sciences. 2012; 7: 238-244. 7. Matthews E, Smith DC. Nylon as a denture base material. Br Dent J. 1955; 98: 231-237. 8. Negrutiu Meda et al (2005) Thermoplastic resins for flexible framework removable partial dentures. TMJ 55:3 9. Hazari, P., Bhoyar, A., Mishra, S. K., Yadav, N. S., & Mahajan, H. (2015). A Comparison of Masticatory Performance and Efficiency of Complete Dentures Made with High Impact and Flexible Resins: A Pilot Study. Journal of Clinical and Diagnostic Research : JCDR, 9(6), ZC29-34. doi:10.7860/JCDR/2015/12207.6089 10. Rueggeberg FA. From Vulcanite to vinyl, a history of resins in restorative dentistry, J Prosthet Dent. 2002; 87(4):364-79.
Other Identifiers
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28711170100211
Identifier Type: -
Identifier Source: org_study_id
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