1-a. Basic principles for designing the removable partial denture (class I partial denture design)
Introduction.
Objectives and Functions of RPD.
Factors that affect RPD design.
Basic principles for designing Kennedy class I partial denture.
2- b. Basic principles for designing Kennedy class II, III and IV Removable Partial Denture(RPD)
Components of removable partial denture prosthesis /certified fixed orthodont...Indian dental academy
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Components of removable partial denture prosthesis /certified fixed orthodont...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
A RPD derives support from two main sources periodontally sound natural teeth & residual alveolar processes and associated soft tissues.
A RPD that is supported by healthy natural teeth possesses adequate stability and retention to resist functional displacement.
However, a RPD that is not entirely bounded by natural teeth will move when a load is applied.
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
A RPD derives support from two main sources periodontally sound natural teeth & residual alveolar processes and associated soft tissues.
A RPD that is supported by healthy natural teeth possesses adequate stability and retention to resist functional displacement.
However, a RPD that is not entirely bounded by natural teeth will move when a load is applied.
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
BASIC PRINCIPLES AND FUNDAMENTALS OF CAST PARTIAL DENTURE DESIGNINGAamir Godil
Principles of cast partial denture design
Philosophy of design
Basic guidelines for designing
Kennedy's Class I-IV designs
Indications of specific components in designing cast partial denture
Distal extension CPD
Clinical cases
Exam oriented questions
3- Basic principles for designing the removable partial denture Amal Kaddah
Clinical course of Partial Denture
3- Basic principles for designing the removable partial denture
a- Problems and General Principles Applied for Kennedy Class I
The scope of fixed prosthodontics treatment can range from the restoration of a single tooth to the rehabilitation of the entire occlusion. Single teeth can be restored to full function, and improvement in
esthetics can be achieved. Missing teeth can be replaced with fixed prostheses that will improve patient comfort and masticatory ability, maintain the health and integrity of the dental arches, and, in many instances, elevate the patient’s self-image.
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5- Basic principles for designing the removable partial denture class i parti...Amal Kaddah
Content:
Basic principles for removable partial dentures’ designs
1.Objectives and functions of removable partial dentures.
2.Factors that affect removable partial dentures’ design.
a. Abutment condition
b. Ridge condition
c. Patients’ needs, Gender and advanced age
d. Forces acting on removable partial dentures.
3. Biomechanical principles of the distal extension partial denture design
4.Damaging effect of removable partial dentures.
5.Problems of support associated with free-end saddles removable partial dentures.
6.How to control these problems (solutions).
a. Reduction of the load.
b. Distribution of the load between abutment teeth and residual ridges.
c. Wide distribution of the load
d. Providing posterior abutment
7.Principles of Class I RPD design
8.Selecting components for designing free extension removable partial dentures
(Basic Principles of a Properly Designed Components)
a. Denture base and Artificial Teeth
b. Proximal plates
c. Rests
d. Direct retainers and Indirect Retainers
e. Major connector and Minor connectors
9.Conclusion
Minimizing and controlling strain on the residual ridge
Minimizing and controlling strain on the abutment teeth
10. Bibliographies
QUICK REVIEW OF PROSTHODONTICS – TNMGRMU SOLVED B.D.S FINAL YEAR QUESTION PA...Arun Kumar
This book contains solved "Prosthodontics & Crown & Bridge" B.D.S final year question paper. This helps the students in their eleventh hour preparation.
COMPLETE DENTURE CONSTRUCTION
1- Diagnosis and Treatment Planning for Removable Prosthodontics
2- Preliminary Maxillary and mandibular impression procedures
3- Final Maxillary and mandibular impression procedures
4- Jaw Relation Registration
a. Introduction and the stomatognathic system
What 'occlusion' is and why it is important
b. Definitions.
c. Check denture foundation and Establishment of facial contour.
d. Establishment of the occlusal plane.
e. Importance of mounting the maxillary cast using Maxillary face-bow record and transfer.
f. Determination of vertical dimension of centric occluding relation.
g. Determination of centric and eccentric relations at the accepted vertical dimension.
5- Selection of Artificial Teeth
6- Prosthetic Problems and possible solutions in Setting –up of teeth for skeletal Class I, II and Class III arch relationship of completely edentulous patients.
7- Try-in of the wax trial complete denture.
8- Complete denture insertion (Delivery)
9- Occlusal corrections.
10- Managements of Post Insertion Problems and Complaints.
11- Single denture and Kelly's Syndrome
12- Denture Processing and Laboratory Errors.
13- Relining, rebasing and repair of removable dentures
14- Denture Processing and Laboratory Errors.pptxAmalKaddah1
COMPLETE DENTURE CONSTRUCTION
1- Diagnosis and Treatment Planning for Removable Prosthodontics
2- Preliminary Maxillary and mandibular impression procedures
3- Final Maxillary and mandibular impression procedures
4- Jaw Relation Registration
a. Introduction and the stomatognathic system
What 'occlusion' is and why it is important
b. Definitions.
c. Check denture foundation and Establishment of facial contour.
d. Establishment of the occlusal plane.
e. Importance of mounting the maxillary cast using Maxillary face-bow record and transfer.
f. Determination of vertical dimension of centric occluding relation.
g. Determination of centric and eccentric relations at the accepted vertical dimension.
5- Selection of Artificial Teeth
6- Prosthetic Problems and possible solutions in Setting –up of teeth for skeletal Class I, II and Class III arch relationship of completely edentulous patients.
7- Try-in of the wax trial complete denture.
8- Complete denture insertion (Delivery)
9- Occlusal corrections.
10- Managements of Post Insertion Problems and Complaints.
11- Single denture and Kelly's Syndrome
12- Denture Processing and Laboratory Errors.
13- Relining, rebasing and repair of removable dentures
14- Denture Processing and Laboratory Errors
13- Relining, rebasing and repair of removable dentures.pptxAmalKaddah1
COMPLETE DENTURE CONSTRUCTION
1- Diagnosis and Treatment Planning for Removable Prosthodontics
2- Preliminary Maxillary and mandibular impression procedures
3- Final Maxillary and mandibular impression procedures
4- Jaw Relation Registration
a. Introduction and the stomatognathic system
What 'occlusion' is and why it is important
b. Definitions.
c. Check denture foundation and Establishment of facial contour.
d. Establishment of the occlusal plane.
e. Importance of mounting the maxillary cast using Maxillary face-bow record and transfer.
f. Determination of vertical dimension of centric occluding relation.
g. Determination of centric and eccentric relations at the accepted vertical dimension.
5- Selection of Artificial Teeth
6- Prosthetic Problems and possible solutions in Setting –up of teeth for skeletal Class I, II and Class III arch relationship of completely edentulous patients.
7- Try-in of the wax trial complete denture.
8- Complete denture insertion (Delivery)
9- Occlusal corrections.
10- Managements of Post Insertion Problems and Complaints.
11- Single denture and Kelly's Syndrome
12- Denture Processing and Laboratory Errors.
13- Relining, rebasing and repair of removable dentures
9- Denture Placement and occlusion correction.pptxAmalKaddah1
COMPLETE DENTURE CONSTRUCTION
1- Diagnosis and Treatment Planning for Removable Prosthodontics
2- Preliminary Maxillary and mandibular impression procedures
3- Final Maxillary and mandibular impression procedures
4- Jaw Relation Registration
a. Introduction and the stomatognathic system
What 'occlusion' is and why it is important
b. Definitions.
c. Check denture foundation and Establishment of facial contour.
d. Establishment of the occlusal plane.
e. Importance of mounting the maxillary cast using Maxillary face-bow record and transfer.
f. Determination of vertical dimension of centric occluding relation.
g. Determination of centric and eccentric relations at the accepted vertical dimension.
5- Selection of Artificial Teeth
6- Prosthetic Problems and possible solutions in Setting –up of teeth for skeletal Class II and Class III arch relationship of completely edentulous patients.
7- Try-in of the wax trial complete denture.
8- Complete denture insertion (Delivery)
9- Occlusal corrections.
10- Managements of Post Insertion Problems and Complaints.
11- Single denture and Kelly's Syndrome
12- Denture Processing and Laboratory Errors.
00- Revision of occlusion 5th year.pptxAmalKaddah1
The Stomatognathic system
Definitions.
Difference between natural and artificial Occ.
Balanced Occlusion and Factors affecting Balanced O.
Concepts of occlusion (Balanced and Non-balanced Occlusion).
Revision of Complete Denture Occlusion 5th yearAmalKaddah1
Revisions of
Definitions
Differences between natural and artificial dentition
Types of artificial tooth forms
Types of balance
Factors affecting balanced occlusion
Concepts of occlusion
6- Prosthetic problems and possible solutions in setting –up of teeth for ske...AmalKaddah1
Edited
Prosthetic Problems and possible solutions in Setting–up
of teeth for skeletal Class I, II and Class III arch relationship
For completely edentulous patients
I-Introduction
II-Factors affecting teeth arrangement
1. Pattern of bone resorption
2. Esthetics and phonetics requirements.
3. Stability
4. Occlusal plane
5. Arch form ( Arrangement of teeth in harmony with ridge contour)
6. Interdigitation of the teeth
7. The inclination for proper occlusion
8. Arch relationship
III- Guidelines governing the position of artificial teeth
IV- Arrangement of teeth in normal cases.
V - Atypical arrangement of teeth (Class II, Class II)
VI- Common errors in teeth setting.
VII- Occlusal Schemes- Attempts to Stabilize Dentures (Lingualized and Monoplane occlusion).
4- Revision >> Concepts of occlusion for 4th year Students.AmalKaddah1
Occlusion for Removable Prosthodontics.
Revision:
What 'occlusion' is and why it is important
Definitions.
Difference between natural and artificial Occlusion.
Types of artificial posterior teeth
Problems with anatomic and non-anatomic teeth
Factors affecting selection of tooth forms.
Rational for Arranging Posterior Teeth in Balanced Occlusion
Contraindications of balanced occlusion.
Types of Balance as Related to Complete Denture
- Lever balance
-Occlusal Balance.
Balanced Occlusion and Factors affecting Balanced Occ. (Third year)
Concepts of occlusion (Balanced and Non balanced Occlusion).
9- Denture placement and occlusion correction.AmalKaddah1
COMPLETE DENTURE CONSTRUCTION
1- Diagnosis and Treatment Planning for Removable Prosthodontics.
2- Preliminary Maxillary and mandibular impression procedures.
3- Final Maxillary and mandibular impression procedures.
4- Jaw Relation Registration.
a. Introduction and the stomatognathic system
What 'occlusion' is and why it is important.
b. Definitions.
c. Check denture foundation and Establishment of facial contour.
d. Establishment of the occlusal plane.
e. Importance of mounting the maxillary cast using Maxillary face-bow record and transfer.
f. Determination of vertical dimension of centric occluding relation.
g. Determination of centric and eccentric relations at the accepted vertical dimension.
5- Selection of Artificial Teeth
6- Prosthetic Problems and possible solutions in Setting –up of teeth for skeletal Class II and Class III arch relationship of completely edentulous patients.
7- Try-in of the wax trial complete denture.
8- Complete denture insertion (Delivery).
9- Occlusal corrections.
10- Managements of Post Insertion Problems and Complaints.
11- Single denture and Kelly's Syndrome.
12- Denture Processing and Laboratory Errors.
Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
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Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
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This is a presentation by Dada Robert in a Your Skill Boost masterclass organised by the Excellence Foundation for South Sudan (EFSS) on Saturday, the 25th and Sunday, the 26th of May 2024.
He discussed the concept of quality improvement, emphasizing its applicability to various aspects of life, including personal, project, and program improvements. He defined quality as doing the right thing at the right time in the right way to achieve the best possible results and discussed the concept of the "gap" between what we know and what we do, and how this gap represents the areas we need to improve. He explained the scientific approach to quality improvement, which involves systematic performance analysis, testing and learning, and implementing change ideas. He also highlighted the importance of client focus and a team approach to quality improvement.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Palestine last event orientationfvgnh .pptxRaedMohamed3
An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
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Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
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Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
Basic phrases for greeting and assisting costumers
2- b. Basic principles for designing Kennedy class II, III and IV Removable Partial Denture(RPD)
1.
2.
3. Dr. Amal Fathy Kaddah
Professor of Prosthodontics,
Faculty Dentistry,
Cairo University
4. May you have
enough happiness to make
you sweet and satisfied,
enough trials to make you
strong and human,
enough hope to make you
happy and pleased.
5.
6. The first step in a successful partial
denture is to design and plan the
case very carefully.
The more time taken with this
important step, the more secure
and functional the resulting partial.
7. The prosthesis must be designed
following the most favorable
biomechanical principles, as the
simple and proper design helps in
reducing the harmful effects on
the supporting structures
8. Objectives and
Functions of RPD
Preservation
of the
remaining
structures
Simplicity
and rigidity
Restore
masticatory
efficiency
Restore
Appearance
and speech
9. Preservation of the remaining tissues
without injury of the remaining oral
structures.
Restore the form and function
Enhance psychological comfort
Removable Partial Denture Design
11. Factors that affect RPD design
Are conditions and forces found
in the patients mouth, that affect
the partial denture design.
Removable Partial Denture Design
14. Principles of RPD design
Are certain rules placed by the
dentist to cope with the oral factors
and achieve the biomechanical
consideration of the design.
Removable Partial Denture Design
16. * Mechanical principles >>> related to
resistance of forces and its application to object
>> looseness of teeth, bon resorption……etc
Biomechanical principles of RPD design
* Bio >>> biological principles pertaining
to living systems >>> inflammation,
Caries, bone resorption….etc
Removable Partial Denture Design
18. Principles of Kennedy Class II RPD design
Tooth-mucosa support
The difference of displaceability
of the supporting tissues results in
tissue-ward and tissue-away
movements of the denture base
with subsequent torque on the
abutment.
19. Problems of support associated with free-end
saddles is due to:
1. Lack of posterior abutment
2. Support is derived from both the residual ridge and
abutment teeth
3.Major support is obtained from the residual ridge
4.If resorption occurs and relining of the denture is neglected
further bone resorption occurs with subsequent torque
acting on the abutments.
20. Kennedy class II partial dentures
Designing class II partial
dentures usually follow the
same basic principles of class
I partial dentures.
The absence of a saddle on the other side of a class II
partial denture complicates the retention of the
appliance.
21. Thus, in class II RPD there are problems
of:
• Support
• Retention
• Bracing and reciprocation
• Stabilization (tipping and rotational movements)
22. Factors influencing the effectiveness of tissue
support of a distal extension base
1. Contour and quality of the residual ridge (nature of the
mucoperiosteun).
2. The Extent of area coverage by the denture base.
3. Accuracy and fitness of the denture base.
4. The accuracy and type of impression registration (anatomical or
functional).
5. The Design characteristics of the components parts of the partial
denture Framework.
6. Total occlusal load applied.
23. Problems of unilateral distal extension bases can be reduced by:
A- Load reduction and distribution.
B- Addition retention must be provided on the side where
the arch is complete. The clasp line should divide the
denture into two equal halves.
C- Using indirect retainer in case of class II without
modification, to reduce lateral loading and rotational
movement of the denture base.
? ? ? ?
10
24. How to minimize Strain on the residual ridge and the
abutment teeth
in class I and II Kennedy RPD ?????
?
9+8=
17
•Support:
•Flexible retention
•Need of indirect retention
•Bracing, stabilization and reciprocation.
25. Strain on the residual ridge is minimized through
1.Broad tissue coverage and maximum extension of the
denture base within the functional limits of muscular
movements.
2.Fitness and intimate adaptation of the denture base to the
tissue.
3.Functional basing: Muco-compression impression
recording of the residual ridges.
4.Improving the condition of the residual ridge e.g.
correction of abusive condition of tori and hyperplastic
tissues.
26. 4. Use of small and narrow teeth to increase the masticatory efficiency
and reduce the masticatory load.
5. Harmonious occlusion and reducing the cusp angle of art. teeth.
6. Leaving a tooth off the saddle.
7. Placing the artificial teeth on the anterior two-thirds of the base (no 3rd
molar).
8. Placement of occlusal rests away from the saddle.
9. Providing Posterior Abutments
A- Using an implant at the distal part of the ridge.
B- Salvaging a hopeless badly decayed tooth
(an overdenture abutments)
27. 1.Correct choice of the abut. Tooth with sufficient alveolar
bone support and crown and root morphology
2.Placement of occlusal rests away from the saddle
(6 benefits ????).
3.Correct choice of direct retainer (flexible clasping).
4.Using stress equalizing design.
Strain on the abutment teeth is minimized through
28. 5. Wide distribution of the load over the teeth:
Strain on the abutment teeth is minimized through
a- By placing additional rests, or
b- by a splinting of one or more teeth, either by fixed
partial dentures or by soldering two or more
individual restoration together.
6- Using a Kennedy bar to distribute the lateral load on
multiple teeth. XXXX
29. 7. Preparation and restoration of the abutment teeth to
accommodate the most ideal design of PD this include
a- Proper form of occ. rest seats
b- Tooth prep. and modification to withstand the
functional stresses ( guiding planes, ………..)
8. Providing Posterior Abutments
a- Using an implant at the distal part of the ridge.
b- Salvaging a hopeless badly decayed tooth, an
overdenture abutment
30. 1- Direct retention
2- A double Aker clasp usually used
on the dentulous side.
3- An indirect retainer should be
provided to counteract rotation of
the denture away from the tissues.
I- Designing of class II partial dentures with no modifications
31. Direct retention is obtained either by:
1- Rigid clasping and rigid connection between the saddle
and the retainer, In case of:
Short edentulous span bounded
by a strong abutment with healthy
periodontium, and well formed
edentulous ridge covered with
firm mucosa of normal thickness.
I- Designing of class II partial dentures with no modifications
32. This design is applied in
long class II cases.
?
?
I- Designing of class II partial dentures with no modifications
Or Direct retention is obtained by:
2- Designs applying stress equalizing principles in long class II
cases.
33. Stress Equalizing Design
e.g. Clasps as RPI (flexible, Disengagement),
RPA, reverse Aker, RLS (Disengagement), back action, and reverse back action X
clasps as well as combination clasp (wrought wire (flexible) with casted clasp)
34. The clasps on
abutments bounding
the modification area
provide retention, bracing and reciprocation
together with indirect retention
I- Designing of class II partial dentures with modifications
35.
36. Tripoding configuration. Class II lower partial
dentures with modification space.
Rigid clasping
I- Designing of class II partial dentures with modifications
37. Selecting Components for Designing Free Extension Removable
Partial Dentures
1. Denture base (Acrylic)
2. Small and narrow teeth .
3. Centric occlusion of teeth should coincide with centric
relation
4. Proximal Plate Contact approximately 1 mm of the gingival
portion of the guiding plane in distal extension cases
5. Occlusal Rest: Mesially placed ,Saucer-shaped, fit , strong not
raise the vertical dimension of occlusion, the floor of the rest
seat should inclined apically.
6. Direct retention (Flexibility, disengagement).
7. Indirect Retention, resist rotational movement of the base away from the
saddle.
38.
39. Restoration of the unmodified class III
1. Fixed Bridges are usually the
treatment of choice for short
span bounded edentulous areas
when abutments are strong and
healthy and minimum bone loss
exists.
2. Bilateral Partial Dentures.
3. Unilateral Partial Dentures.
Principles of Kennedy Class III RPD design
40. A bilateral unmodified
class Ill partial denture
A unilateral class Ill
partial denture XXXX
I don’t recommend it.
41. 1- Denture base: Metallic denture base is designed to fit the static rather
than the functional form of the ridge
2- Rests: rests are usually placed on the near zone of the abutment teeth
to provide adequate support. Rest seats can be prepared in either a
box-shaped or saucer-shaped configuration depending on the condition
of the abutment teeth.
3-Clasps: Rigid clasping is usually required for class III cases bounded by
strong abutments. The clasps are located on abutments bounding the
edentulous span. A third clasp, which may either be an embrasure or a
multiple clasp is used on the intact (dentulous) side.
4.Major connectors: A lingual bar for mandibular dentures.
A palatal bar or palatal strap for maxillary major connector are usually used.
I- Designing of class III partial dentures with no modifications
42. The tripod clasp configuration for
class III partial denture
Restoration of modified class III
Principles of Kennedy Class III RPD design
The quadrilateral clasp configuration
for class III partial denture
Class III cases having long edentulous spans and having modification
are usually considered tooth-tissue supported dentures
43. These cases could also be restored by an Every denture
which is a totally mucosa-borne denture.
44. For unilateral removable partial denture to be successful
The buccal and lingual surfaces of
the abutment tooth must be
parallel to resist tipping forces.
The clinical crown of abutment tooth
must be long enough to resist
rotational forces.
Inhaled
Should be used with caution
Swallowed
45. 1. Usually follow the same basic
principles of class I partial
dentures, and are considered
as free-end partial dentures.
As the edentulous area that
crossing the midline lies
anterior to the abutments.
Principles of Kennedy Class VI RPD design
46. 2. Fixed partial denture is the treatment of choice but
removable restoration is preferred in children.
3. The line of treatment of anterior edentulous areas differ
depending on the age of the patient.
4. Young patients are usually treated with a temporary
appliance until a stable mouth condition is reached.
5. Frequent inspections are necessary to detect the need for
relining or rebasing the dentures.
47. Proper Location of I.R
Spoon denture
may be modified
to improve
retention by
Adams Cribs or
wire loops
48. Strain on the abutment teeth and the residual ridge is minimized through
1. Broad tissue coverage and maximum extension of the denture base within the
functional limits of muscular movements.
2. Functional basing. Muco-compressive impression recording of the residual ridges.
3. Improving the condition of the residual ridge e.g. correction of abusive condition of
tori and hyperplastic tissues.
5. Use of narrow teeth and harmonious occlusion.
6. Leaving a tooth off the saddle.
7. Placing the artificial teeth on the anterior two-thirds of the base.
8. Correct choice of direct retainer.
9. Using stress equalizing design.
10.Using a Kennedy bar to distribute the lateral load on multiple teeth. XXXXX
In Summary