1.
IMMEDIATE DENTURE
INDIAN DENTAL ACADEMY
Leader in continuing dental education
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2.
DEFINATION
‘THE GLOSSARY OF PROSTHODONTIC TERMS
‘DEFINES AN IMMEDIATE DENTURE AS A COMPLETE OR
REMOVABLE PARTIAL DENTURE CONSTRUCTED FOR
INSERTION IMMEDIATELYFOLLOWING THE REMOVAL
OF NATURAL TEETH.
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3.
ADVANTAGES
1. NO EDENTULUS PERIOD.
2. PATIENT IS LESS APPREHENSIVE.
3. PATIENT CAN CONTINUE WITH HIS NORMAL
ACTIVITIE.
4. DIGESTIVE FUNCTION IS NOT INTERRUPTED.
5. GENERAL APPEARANCE IS LESS AFFECTED .
6. LESS RESORBTION OF THE RIDGES .
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4.
7.UNFAVORABLE SPEECH AND CHEWING HABITS ARE
NOT LIKELY TO OCCOUR .
8.CENTRIC RELATION IS EASIER TO RECORD.
9.PATIENT TAKES LESS TIME TO ADJUST TO THE
CHANGE,HEALING IS FASTER AND LESS PAINFUL.
10.THE IMMEDIATE DENTURE ACTS AS A MATRIX FOR
CONTROLING HEMORRHAGE ,PROTECTS THE
WOUND, PREVENTS CONTAMINATION.
11. THE NATURAL TEETH ACTS A GUIDE FOR THE
SETTING OF THE ARTIFICIAL TEETH.
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5.
DISADVANTAGES
1. THE IMMEDIATE DENTURE NEED TO BE RELINED
OR REMADE .
2. MORE EXPENSIVE .
3. NO ANTERIOR TRY IN
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6.
DIAGNOSIS AND TREATMENT PLANNING
1.MEDICAL HISTORY.
2.DENTAL HISTORY.
clinical examination of hard and soft tissues
periodontal status of the remaining dentition
3.Radiographs3.Radiographs
ToTo evaluating the extent of bone loss. determine the presence of
impacted teeth, retained roots, foreign bodies, exostoses,
osteoporosis, cysts, and other pathology
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7.
Mounted diagnostic casts
1.To evaluate the tooth position, jaw relationships, and
occlusal plane discrepancies.
2.Diagnostic casts also help to reveal and analyze undercuts
.
3.The cast can be marked to show the oral surgeon where
to recontour the bone .
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8.
TREATMENT PROCEDURES
Initial Impressions.
Initial impressions are made with irreversible
hydrocolloid (alginate) in a stock tray.
The impression should be well extended and have
adequate hard and soft tissue detail.
The impression is poured with dental stone.
A custom tray is fabricated with autopolymerizing acrylic
resin on the preliminary cast.
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9.
A custom tray is fabricated with autopolymerizing acrylic resin
on the preliminary cast.
The remaining teeth are covered with a double thickness of
baseplate wax. This provides space for the impression material
around the teeth.
Any undercut areas are blocked out with wax.
The tray borders should be sufficiently thick
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10.
Special tray fabricated on the cast
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11.
Secondary Impressions
Prior to making the impression, the mobility of the remaining
teeth must be evaluated.
If the teeth are very mobile undercuts and interproximal are
blocked with soft wax to avoid extracting the teeth with the
impression. Tightly coating the teeth with petrolatum.
In severe cases a vacuum-formed resin stent can be utilized
as a protective sheath while making the impression
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12.
The custom tray is placed in the patient's mouth and
evaluated.
Overextended sections are relieved and borders reduced to
provide room for the border molding material.
The posterior palatal seal can be determined at this time and
transferred to the tray.
Border moulding is performed with green stick compound.
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13.
Special tray with boader moulding
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14.
Perforations are placed in the tray to enhance the flow of
the impression material and increase its retention within the
custom tray.
The tissue surface of the tray and the borders are covered
with the appropriate adhesive.
Light –bodied polysulphide rubber is the material of choice
for the final impression.
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15.
Final impression and master cast
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16.
Jaw Relation Records
A recording base is fabricated from auto-polymerizing
acrylic resin, and an occlusal rim is made from baseplate
wax .
A face-bow record is made to orient the maxillary cast on
the articulator.
Vertical dimension is determined . Phonetics is the most
reliable way of evaluating the vertical dimension
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17.
The centric relation record is made with impression plaster
or zinc oxide-eugenol impression paste.
The centric relation record is removed from the mouth,
trimmed, and verified .
The mandibular cast is mounted using the centric relation
record.
A protrusive interocclusal record is made to set the condylar
guidance on the articulator.
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18.
Jaw relation recording
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19.
Tooth selection and arrangement of posterior teeth
The existing dentition is used as a guide.
If the immediate denture opposes natural teeth then anatomic
tooth form is desired.
If opposes a complete denture then either anatomic or non
anotomic teeth can be given.
Porcelain teeth should never be used when the immediate
denture oppose natural teeth.
Posterior teeth are set to provide multiple bilateral posterior
contact in centric and eccentric positions.
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20.
Shade selection
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21.
Posterior try- in
Centric relation and vertical dimension are verified.
Mandibular cast is remounted if required.
Position of the posterior palatal seal is verified and scribed on the
master cast.
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22.
Posterior try-in
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23.
Arrangement of anterior teeth
Done after the posterior try –in
The anterior teeth are removed one at a time from the master
cast.
Each teeth is reduced to the gingival margin with a rotary
instrument and smoothened with a hand instrument .
Denture tooth is placed in its place this procedure is repeated
with each tooth.
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24.
Arrangement of anterior teeth
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25.
Denture is waxed up.
Dewaxing is done .
Denture is processed in the conventional manner.
Stored in a germicidal solution and thoroughly rinsed prior to
insertion .
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26.
Insertion procedure
Patient is prepared for surgery.
The remaining teeth is removed with minimum of trauma .
A clear surgical is used to evaluate the prepared surgical site .
The immediate denture is seated after surgery and gross occlusal
prematurities are eliminated while the patient is still under LA.
The denture must be manipulated as minimum as possible to
minimize the damage to the surgical site.
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27.
Extraction of the anterior teeth and insertion of the
immediate denture
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28.
If the dentures are poorly adapted or lacking in retention and stability
Tissue conditioners can be placed.
The following instructions are given to the patient.
Application of cold packs .
The patient is advised to wear the denture for the next 24 hours .and to
avoid smoking ,expectoration and use of mouthwash.
Soft diet.
Appropriate pain control medication.www.indiandentalacademy.com

29.
Post insertion care
After 24 hours
Check the occlusion .
Denture is removed and the tissue is evaluated for ulceration and
over extension.
Tissue surface of the denture is cleaned .
Patient is asked to rinse the mouth with a good tasting mouthwash.
Then denture should be removed and reinserted as minimum
number of times as possible .
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30.
After 48 hours
All the things done during the previous appointment is repeated.
Patient is instructed to clean the denture several times in a day.
The patient should wear the denture in the night for three days.
Soft diet
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31.
After one week
Remove the suture .
Recheck the occlusion.
Tissue surface evaluated with pressure indicating paste .
Any soreness or irritation relieved.
Replacement of the tissue conditioner if placed at insertion,
It should be replaced every week until resilient liner is placed.
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32.
3 to 4 weeks later
Subjective complaints are addressed.
Clinical remount performed.
Occlusion refined.
Treatment lining with resilient chair side liners .
resilient liners are repeated at intervals of 4-6weeks for six
months
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33.
After 6 months
The immediate denture is relined or remade.
If the patient is satisfied with esthetics and function the denture is
relined.
If the patient is not satisfied with esthetics , retention or if the
denture is not adequately extended the denture is remade .
Before it is relined or remade the tissues should treated with tissue
conditioners .
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34.
Summary
Immediate denture is one option for the patient facing the
edentulous state .An immediate denture provides restoration
of esthetics ,phonetics and masticatory function. The patient
does not have endure a long healing process with out teeth, it
also facilitates the transition to the edentulous state. Proper
follow up care is essential for the success of an immediate
denture.
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35.
Thank you
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