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lecture 1 doc pastor Flashcards

1
Q

The branch of dental arts and science that deals with the replacement of missing teeth and oral tissues to restore and maintain oral form, appearance, function, and health.

A

PROSTHODONTICS

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2
Q

The branch of dentistry pertaining to the restoration and maintenance of oral function, comfort, appearance, and health of the patient by replacement of missing teeth and contiguous oral and maxillofacial tissues with artificial substitution.

A

PROSTHODONTICS

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3
Q

The specialty of dentistry that replaces missing teeth with a removable prosthesis.

A

REMOVABLE PROSTHODONTICS

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4
Q

Replacement of missing teeth and contiguous tissues with prosthesis design to be removed by the wearer.

A

REMOVABLE PROSTHODONTICS

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5
Q

2 DISCIPLINES OF REMOVABLE PROSTHODONTICS

A

Removable Partial Denture
Removable Complete Denture

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6
Q
  • Referred to as a partial, replaces one or more teeth in the same arch.
  • Partial denture that can be removed and replaced in the mouth by a patient.
A

Removable Partial Denture

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7
Q
  • Provisional, Temporary
  • A denture used for a short interval of time to provide:
    *Esthetics, mastication, occlusal support, and convenience.
    *Conditioning of the patients to accept the final prosthesis.
A

Interim Denture

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8
Q

Made out of plastic all throughout (partial denture)

A

temporary provisional denture

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9
Q
  • Plan/fabricate your prosthesis before the extraction.
  • Ready for installation
    Just have to adjust if it doesn’t fit
    Have to educate the px of its consequences
A

Immediate denture

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9
Q

it has metal framework

A

final or permanent prosthesis

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10
Q

Consequences of immediate fabrication of denture

A

(1) aggressive bone resorption – needs to heal before you can put pressure
(2) loosening of the denture
(3) after few months, px needs to come back because it’s already loose / easy to be dislodged.

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11
Q

CONSEQUENCES OF TOOTH LOSS
(5)

A
  • Residual ridge resorption.
  • Teeth over-eruption, drifting, and shifting.
  • Alteration in the oral mucosa.
  • Decrease in the masticatory function.
  • Esthetics
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12
Q

Direction of bone resorption:

A
  • Mandible = Downward
  • Maxilla = Upward & backward
    That’s why the chin/mandible would look like it drooped downward.
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13
Q

what is the Passive movement of the tooth?

A

the tooth actually erupts until it contacts its opposing tooth; if no opposing tooth = it will continue to erupt = supra-eruption.

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14
Q

how long before they can put the final restoration/crown?

A

3-6 months

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15
Q

EXTRAORAL FACTORS THAT INFLUENCE THE CHOICE OF A REMOVABLE PROSTHESIS
(7)

A

Physical health
Mental health
Motivation
Age
Dietary habits
Socioeconomic factors
Occupation

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16
Q

INTRAORAL FACTORS THAT INFLUENCE THE CHOICE OF A REMOVABLE PROSTHESIS
(6)

A

Musculature
Salivary flow
Residual alveolar ridge
Oral mucosa
Oral habits
Tori

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16
Q

INDICATIONS FOR A REMOVABLE PARTIAL DENTURE
(9)

A

Length of edentulous
Abutment tooth
Periodontal support of remaining teeth
Cross arch stabilization
Excessive bone loss
Aesthetics
Immediate tooth replacement after extraction
Emotional problem
Patient desires

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17
Q

Maximum edentulous space for FPD

A

2 teeth

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18
Q

Longer material, the longer the span of FPD, the more the material will become _______; can cause gaps on the margins of the abutment tooth = can cause recurrent caries and failure of restoration.

A

flexible

19
Q

the pericemental area (area covered by the alveolar bone) of the abutment teeth should be equal or surpass the pericemental area of the missing tooth to be removed.

A

Ante’s law

20
Q

DO NOT fabricate ______ on POSTERIOR (limited on lateral incisor).

A

cantilever

20
Q

RPD IS GENERALLY PREFERRED IN THE FOLLOWING CONDITIONS:
(10)

A
  1. When more than 2 posterior teeth or 4 anterior teeth are missing;
  2. If canine and two of its adjacent teeth are missing;
  3. When there is no distal abutment tooth;
  4. Presence of multiple edentulous spaces;
  5. If the teeth adjacent to edentulous spaces are tipped, they cannot be used as an abutment for a fixed prosthesis;
  6. If periodontally weakened teeth are present near the edentulous spaces;
  7. Teeth with short clinical crowns;
  8. Insufficient number of abutments;
  9. Severe loss of tissue on the edentulous space
  10. Old patients.
21
Q

PHASES OF TREATMENT:
(3)

A

Periodontal phase: Oral prophy, oral hygiene instruction, make sure no gingivitis.
Resto/surgical phase: Do either restoration of carious teeth and/or surgical extraction of badly broken-down tooth (INTERCHANGEABLE but recommended to extract first) NEVER place prosthesis with an adjacent that have caries.
Wait for 2-3 months.
Final phase: Prosthodontic rehabilitation.

21
Q

CONTRAINDICATIONS FOR A REMOVABLE PARTIAL DENTURE
(4)

A

Lack of suitable teeth in the arch to support, stabilize and retain the removable prosthesis.
Rampant cares or sever periodontal conditions that threaten the remaining teeth in the arch.
A lack of patient acceptance for esthetic reasons.
Chronic poor oral hygiene.

22
Q

COMPONENTS OF A PARTIAL DENTURE
(5)

A

Framework
Connectors
Retainer
Rest
Artificial teeth

23
Q

The cast metal skeleton that provides support for the remaining components of the prosthesis.

A

Framework

23
Q

Joins various parts of the partial together.
-Major connector
-Minor connector

A

Connectors

24
Q
  • Known as a clasp, it supports and provides stability to the partial denture by partially circling an abutment tooth.
  • Main function: Retention (but also gives support and resistance).
A

Retainer

25
Q
  • A metal projection designed to control the seating of the prosthesis.
  • Provides support – resistance to vertical forces along the long axis of the tooth towards the tissue.
A

Rest

26
Q
  • Denture teeth
  • Constructed from either acrylic or porcelain.
A

Artificial Teeth

27
Q

SIX PHASES OF PARTIAL DENTURE SERVICE

A
  1. Education of Patient
  2. Diagnosis, Treatment Planning, Design, Treatment, Sequencing, and Mouth Preparation
  3. Support for Distal Extension Denture Bases
  4. Establishment and Verification of Occlusal Relations and Tooth Arrangements
  5. Initial Placement Procedures
  6. Periodic Recall
28
Q

Systematic investigation of an unnatural condition, the identification of this condition and the determination of its cause.

A

DIAGNOSIS

29
Q

The number of restored teeth, signs of recurrent decay. and evidence of decalcification should be noted before decision is made on the unrestored teeth as potential abutment selections.
Evident periodontal diseases and mobility of teeth (further noted and investigated through radiographic examination).
Palatal and mandibular tori and other conditions which may require surgical interventions to prepare the mouth.

A

VISUAL EXAMINATION

30
Q

The data derived from these procedures enable the operator to formulate a total treatment plan which will provide the appropriate foundation for the replacement of missing teeth with a removable partial denture.

A

Oral prophylaxis
Excavation of carious lesions
Placement of treatment restorations
Pocket depth placement and mobility

ORAL EXAMINATION

31
Q

To measure the quality of bone support for the potential abutment teeth whereas it will withstand increased forces upon movements of the partial prosthesis.

A

ROENTGENOGRAPHIC ANALYSIS

32
Q

Serious Illness that needs prophylactic medications
Allergies, current medications, family history. tobacco, and alcohol habits
Night grinding possibilities
Treatment Prosthesis

A

MEDICAL AND DENTAL HISTORIES

33
Q
  1. the amount of clinical crown versus the amount of root embedded to the bone.
  2. ratio ideal
  3. minimum
A
  1. crown root ratio
  2. 2:3
  3. 1:1
34
Q

FACTORS AFFECTING TREATMENT PLAN
(7)

A

Number of teeth to be replaced
Residual Dentition Condition
Patients Health
Patients Expectations
Dentist Competence
Laboratory Competence
Time

35
Q

ALTERNATIVES to Removable Partial Denture (Treatment Options)
(4)

A

No treatment (shortened dental arch)
Fixed partial denture
Implant supported prosthesis
Complete denture

36
Q

The classification of a partially edentulous arch should satisfy the ff. requirements:
(3)

A

It should prevent immediate visualization of the type of partially edentulous arch that is being considered.

It should permit immediate differentiation between the tooth supported and tissue supported removable partial denture.

It should be universally accepted

37
Q

By Edward Kennedy (1925)
the most widely accepted classification of partially edentulous arches. In an attempt to simplify the problem and encourage more universal use of a classification, and in the interest of adequate communication.
Classified edentulous areas into four. Any other edentulous spaces are designated as modification spaces.
Based on the relationship of the edentulous spaces to the abutment teeth.

A

Classification (Kennedy Classification)

38
Q

Bilateral free-end / distal extension
Bilateral edentulous areas located posterior to the remaining natural teeth.

A

Class I

39
Q

Unilateral free-end / distal extension
Unilateral edentulous area located posterior to the remaining natural teeth.

A

Class II

40
Q

Unilateral edentulous area with natural teeth remaining both anterior and posterior to it (bounded).
Not crossing the midline.

A

Class III

41
Q

Single, but bilateral (crossing the midline) edentulous area located anterior to the remaining natural teeth.

A

Class IV

42
Q

It is a modification of Kennedy’s System.
It is based less on the number and location of the remaining teeth and edentulous spaces.
It takes into consideration the capabilities of the teeth, which bound the spaces to serve as abutments for prosthesis.

A

Applegate-Kennedy’s System

43
Q

8 rules of Applegate-Kennedy’s System

A

Rule 1
Classification should follow rather than precede any extractions of teeth that might alter the original classification.

Rule 2
If a third molar is missing and is not to be replaced, it is not considered in the classification.

Rule 3
If a third molar is present and is to be used as an abutment, it is considered in the classification.

Rule 4
If a second molar is missing and is not to be replaced, it is not considered in the classification (e.g., if the opposing second molar is likewise missing and is not to be replaced).

Rule 5
The most posterior edentulous area (or areas) always determines the classification.

Rule 6
Edentulous areas other than those that determine the classification are referred to as modifications and are designated by their number.

Rule 7
The extent of the modification is not considered, only the number of additional edentulous areas.

Rule 8
No modification areas can be included in Class IV arches. (Other edentulous areas that lie posterior to the single bilateral areas crossing the midline would instead determine the classification; see Rule 5.)

rpd (17 decks)

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