CH27: Taking Alginate Impressions

0.0(0)
studied byStudied by 0 people
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Get a hint
Hint

Introduction

Get a hint
Hint

I. Purpose

II. Selection and Preparation of the Tray

III. Preparation of the Patient

IV. The Alginate Impression

Get a hint
Hint

I) Purpose

Get a hint
Hint

• To make an accurate replication of the maxillary and mandibular arches and adjacent tissues.

Card Sorting

1/16

Anonymous user
Anonymous user
encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

17 Terms

1
New cards

Introduction

I. Purpose

II. Selection and Preparation of the Tray

III. Preparation of the Patient

IV. The Alginate Impression

2
New cards

I) Purpose

• To make an accurate replication of the maxillary and mandibular arches and adjacent tissues.

3
New cards

II) Selection and Prep of the Tray

A. Perforations

B. Available varieties

C. Proper tray selection

D. Sterilization

E. Adding wax to the tray

F. Adding wax to the palatal area

4
New cards

A) Perforations

_ in the tray allow alginate to flow through the holes and act as a retentive mechanism during tray removal.

5
New cards

B) Available varieties

• Various sizes

• Metal, plastic

• Disposable

• Autoclavabl

6
New cards

C) Proper tray selection

• Oral exam first—look for tori and exostosis

• The tray should:

– Extend facially to include all teeth, musculature, and vestibule.

– Extend distally 2 to 3 mm past the last tooth.

– Provide a 2 to 3 mm depth of alginate beyond the occlusal surface and incisal edge.

– Be comfortable to the patient.

– Be adapted to the patient as necessary.

7
New cards

D) Sterilization

• Any trays that have been “tried” or “used” should be sterilized before they are returned to storage.

8
New cards

E and F) Waxing the tray and palatal area

knowt flashcard image
9
New cards

III) Preparation of the patient

A. Explain the procedure

B. Guard against spills

C. Minimize gagging—seat patient upright

D. Dental appliances—removed before taking impression

E. Rinse—mouthwash reduces saliva, removes debris

F. Sequence—mandibular then maxillary impression

<p><span><strong>A. Explain the procedure </strong></span></p><p><span><strong>B. Guard against spills </strong></span></p><p><span><strong>C. Minimize gagging—seat patient upright </strong></span></p><p><span><strong>D. Dental appliances—removed before taking impression </strong></span></p><p><span><strong>E. Rinse—mouthwash reduces saliva, removes debris </strong></span></p><p><span><strong>F. Sequence—mandibular then maxillary impression</strong></span></p>
10
New cards

IV) The alginate impression

A. Mixing the alginate

B. Filling the tray

C. Seating the impression

D. Removing the impression tray

E. Disinfecting the impression

11
New cards

A) Mix the alginate

knowt flashcard image
12
New cards

B) Filling the tray

1. Mandibular tray

2. Maxillary tray

3. Moisten and smooth the alginate

<p><span><strong>1. Mandibular tray </strong></span></p><p><span><strong>2. Maxillary tray </strong></span></p><p><span><strong>3. Moisten and smooth the alginate</strong></span></p>
13
New cards

C) Seating the impression

1. Mandibular arch

2. Maxillary arch

<p><span><strong>1. Mandibular arch </strong></span></p><p><span><strong>2. Maxillary arch</strong></span></p>
14
New cards

D) Removing the impression tray

1. Mandibular tray

2. Maxillary tray

3. Postremoval procedure

<p><span><strong>1. Mandibular tray </strong></span></p><p><span><strong>2. Maxillary tray </strong></span></p><p><span><strong>3. Postremoval procedure</strong></span></p>
15
New cards

Tips

knowt flashcard image
16
New cards

Precautions

knowt flashcard image
17
New cards

Evaluation

knowt flashcard image