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Register a new userClasps In The Mandibular Implant Supported Removable Partial Dentures Class Ι
الضمات في الأجهزة الجزئية السفلية المتحركة صنف أول المدعومة بالزرعات
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Aِl-Baath University ورقة بحثية
Publication date
2016
fields
Dentistry
and research's language is
العربية
Created by
Shamra Editor
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خصائص التثبيت للأجهزة الجزئية المتحركة المدعومة بالزرعات غير معروفة بشكل واضح، لذلك تهدف هذه الدراسة المخبرية لمقارنة قوى الإزاحة العظمى في الأجهزة الجزئية السفلية المتحركة ذات النهاية الخلفية الحرة المدعومة بالزرعات و المدعومة بثلاث أنواع مختلفة من الضمات، حيث تم استخدام مثال مشابه للدرد جزئي سفلي صنف أول و زرعتين في منطقة الرحى الأولى من الجانبين و تحضير تاجين على الدعامات السنية الأكثر وحشية. و تم تصنيع خمسة عشر جهازا جزئياً ذو نهاية خلفية حرة ثنائية الجانب و ثلاث أنواع مختلفة من الضمات (ايكرز، الضمة ذات الذراع ، بدون ضمة) كل عينة تعرضت لثلاث أنواع من قوى الشد ( الأساسي ، الجانبي ، الأمامي ) باستخدام جهاز القياس العمومي حيث يعاد الشد لكل نوع من قوى الشد خمس مرات.
The initial retention of implant-supported removable partial dentures(ISRPD) is unknown. the purpose of this in vitro study was to compare maximum dislodging forces of distal extension mandibular ISRPD with three different clasp design. a stimulated class 1 partially edentulous mandible was prepared with two implant in the first molar regions and two metal ceramic on distal abutments. Fifteen bilateral distal extension frameworks was fabricated with three different clasp design (Akers, I bar clasp ,no clasp),each specimen was subjected to three type of retention pulls ( main ,unilateral ,posterior pulls) five time with universal testing machine.
References used
Mijiritsky E. Implants in conjunction with removable partial dentures: a literature review. Implant dentistry. 2007;16(2):146-54
Alan B.Carr GBM, DavidT.Brown. macCracken s removable partial prosthodontics. 11 edition ed
Kawahara HKD. Oral Implantology and Biomaterials: Proceedings 1989
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This study aims to investigate the effect of the alveolar ridge shape in
the distribution of stress at the lower removable partial dentures
supported by implants using a finite element method, with four models
for a half mandible are designed with
a free end saddle using an
ANSYS program and Canine was abutment, where the remaining ridge
is representing the four alveolar ridge shapes (horizontal and distal
descending and concave and distal ascending), two removable partial
dentures were designed for each model one supported by tooth and
fibromucosa and another one supported by tooth and implant, it has been
applied a load of 50 Newton on all models and has been studied stress
equivalent for each model.
It is necessary when designing removable partial dentures to be fixed,
stable and well supported for improving patient comfort, and decreasing
damages on soft tissues and dental abutments, the alveolar ridge has a
strong influence in planning for
treatment and interpretations
biomechanical when treated with removable partial dentures, and have
four shapes in the sagittal plane which are horizontal shape, concave
shape, distal ascending shape and descending shape.
Factors affecting the usage of removable partial dentures (RPDs) are still
controversial. Since the RPD usage is partly related to patients’ personality, variations among different
population is expected. This study aimed to evaluate the factors that influence the RPDs denture usage in
patients of undergraduate students of Damascus University by using telephone call one-year after
delivery.
This study aims toassesst patient’s satisfaction with partial dentures fixed by two
different extracoronal attachments in the mandibular of cases Kennedy class II .
It used a sample consisting of 10 patients have lost bilateral in the mandibular we
re
prepared two abutments (first and second premolar ) and compensation as follows : the
right side of the patient by rigid attachment type MKI and the left side by resilient
attachment type ASC 52 , then to assess patient’s satisfaction for each of the two types of
attachments was conducted after a month and 6 months on the use of dentures using by
scale 0 5 (0 = excellent ,1 = very good, 2 = good, 3 = middle , 4 = bad, 5 = very bad) ,
so that the assessment in terms : general satisfaction included (aesthetics, speech and
retention ), comfort , the ability to chew ,easy removal denture , deposition foods under the
removable part .
The results showed , no difference statistically significant between tow attachments
in terms of general satisfaction included (aesthetics, speech and retention) ,comfort , the
ability to chew ,easy removal denture after one month and 6 months to use the dentures
while showing difference statistically significant between tow attachments after one month
and 6 months to use the dentures , when the level significance p< 0.05 .
The aim of this study is to evaluate the change in structure of oral
mucosa after using the partial denture with semiprecision
attachment or Molloplast-B-. Twenty patients, males and females,
have been taken with age ranges between (40-71 years),
and having
Class 1 Kennedy in the mandible.
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