RPD Insertion Flashcards
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OBJECTIVE OF THE INSERTION
APPOINTMENT
(4)
➢ TO FIT THE DENTURE BASE TO THE EDENTOLOUS RIDGE
➢ TO CORRECT THE OCCLUSAL DISCREPANCIES
➢ TO ADJUST RETENTIVE CLASPS IN NECESSARY
➢ TO INSTRUCT THE PATIENT IN HOME CARE
CORRECTING THE FIT OF THE DENTURE BASE
➢ THE DENTURE BASE WILL USUALLY EXHIBIT HEAVY CONTACT WITH THE
(3)
LATERAL WALLS, BOTH BUCCAL AND LINGUAL OR PAPATAL, OF THE RIDGE
AND LIGHT OR NO CONTACT WITH THE RIDGE CREST.
THE MOST FREQUENTLY
OBSERVED AREAS
(3)
➢UNDERCUTS BUCCAL TO THE EDENTULOUS RIDGE IN THE
MANDIBULAR PREMOLAR
➢MAXILLARY TUBEROSITY AREA
➢MYLOHYOID AREA
MODIFYING THE PERIPHERAL
EXTENSION OF THE DENTURE BASE
➢DENTURE BASE FLANGE LENGTH CONTRIBUTES TO
(2)
- RESISTANCE TO HORIZONTAL OR LATERAL
DISPLACEMENT OF THE DENTURE - A MAJOR SHARE OF VERTICAL SUPPORT FOR THE
PARTIAL DENTURE
CORRECTING OCCLUSAL DISCREPANCIES
➢ALL TOOTH-BORNE RPD:
➢ALL TOOTH-TISSUE BORNE RPD:
MAY BE EVALUATED AND
OCCLUSION ADJUSTED INTRA-ORALLY.
WILL REQUIRE THE
COMPLETION OF A CLINICAL REMOUNTING
PROCEDURE.
INTRAORAL DETECTION OF
OCCLUSAL DISCREPANCIES AND
THEIR CORRECTION
➢IT IS IMPORTANT THAT TEETH WHICH CONTACT
WITHOUT THE PROSTHESIS IN PLACE
CONTINUE
TO DO SO WITH THE PROSTHESIS IN PLACE.
SELECTIVE GRINDING
➢THE CUSP TIPS SHOULD NOT BE RELIEVED…
(1)
ARBITRARY.
➢BY ALTERING THE INCLINE OF A CUSP, INTERFERENCES
CAN BE ELIMINATED WITHOUT BASICALLY CHANGING
THE CUSP HEIGHT.
DJUSTING THE RETENTIVE CLASP
➢ AS A GENERAL RULE, AT THE TIME OF INSERTION SLIGHTLY
LESS THAN MAXIMUM RETENTION SHOULD BE USED.
➢ ONLY THE NO. — PLIER SHOULD BE USED WHEN
ADJUSTING A HALF-ROUND, CAST CIRCUMFERENTIAL
CLASP
139
Clasps should be adjusted in small
increments. Excessively bending a
clasp in one direction only will lead
to
accelerated fatigue and failure of
the clasp.
HOME CARE INSTRUCTION
➢ADVISE PATIENTS TO
BRUSH THE RPD USING SOAP
AND A DENTURE BRUSH.
THE PROSTHESIS MUST BE REMOVED FOR — HOURS
EACH DAY AND ALWAYS SOAKED UPON REMOVAL TO
PREVENT DISTORTION OF THE ACRYLIC RESIN.
EIGHT
ADVISE THE PATIENT TO NEVER SOAK THE RPD IN ANY
CLEANER CONTAINING CHROLINE (BLEACH) THIS WILL
CAUSE
THE METAL TO CORRODE AND MAKE THE
FRAMEWORK MORE BRITTLE.
Patient should grasp — and carefully withdraw the removable
partial denture from the mouth.
acrylic resin denture bases on each
side of the arch
DJUSTMENTS
➢PATIENTS WILL BE SEEN AT — HOURS AND — AFTER
INSERTION.
➢THE PROSTHESIS SHOULD BE INSERTED —
BEFORE THE APPOINTMENT SO THAT PROBLEM AREAS CAN
BE VISUALIZED.
➢USE — TO AID IN LOCATING OVEREXTENSION OR
PRESSURE AREA.
24, 1 WEEK
4-5 HOURS
PIP
COMPLAINTS
(5)
➢PROBLEMS WITH PHONETICS
➢CHEEK OR TONGUE BITING
➢DIFFICULTY IN CHEWING
➢LOOSE DENTURE
➢GAGGING
PROBLEMS WITH PHONETICS
➢ IMPROPER PLACEMENT OF
(2)
THE PROSTHETIC ANTERIOR TEETH OR CHANGES
IN THE CONTOUR OF THE ANTERIOR PALATE
MAXILLARY AND MANDIBULAR PREMOLARS
IF POSITIONED TOO FAR LINGUALLY
➢ IMPROPER PLACEMENT OF MAXILLARY AND MANDIBULAR PREMOLARS
IF POSITIONED TOO FAR LINGUALLY:
THE ACTION OF THE TONGUE MAY
BE LIMITED AND SPEECH MAY BE AFFECTED
PROBLEMS WITH PHONETICS
IF POSITIONED TOO FAR BUCCALLY:
✓WHISTLING OR SLURRING OF THE SPEECH MAY OCCUR. IF
THIS ERROR HAPPENS, SOFT UTILITY WAX ADAPTED TO
THE LINGUAL SURFACES OF THE PREMOLAR TEETH
SHOULD DECREASE THE ESCAPE OF AIR AND THE
WHISTLING OR SLURRING EFFECT.
CHEEK BITING:
➢ IS CAUSED BY
INSUFFICIENT HORIZONTAL OVERLAP
BETWEEN MAXILLARY AND MANDIBULAR TEETH.
IF ARTIFICIAL TEETH ARE CORRECTLY POSITIONED:
ROUND THE
BUCCAL CUSPS OF THE MANDIBULAR POSTERIOR TEETH. THIS ACTION
WILL MOVE THE BUCCAL CUSPS SLIGHTLY LINGUAL, THEREBY
CREATING A GREATER HORIZONTAL OVERLAP.
IF ARTIFICIAL TEETH ARE INCORRECTLY POSITIONED OR THE ABOVE
PROCEDURE OF ROUNDING DOES NOT HELP:
REMOVE ARTIFICIAL
TEETH AND RESET THEM.
TONGUE BITING
CAUSED BY
THE ARTIFICIAL TEETH BEING POSITIONED TOO FAR LINGUALLY AND
THERE IS A DECREASE IN THE TONGUE SPACE.
TONGUE BITING
I. GENTLE “ROUNDING OR ROLLING” THE LINGUAL CUSPS
AND RECONTOURING OF THE LINGUAL SURFACES OF
THE MANDIBULAR TEETH.
II. IF TONGUE BITING CONTINUES AFTER THE TEETH HAVE
BEEN RESHAPED,
THE ARTIFICIAL TEETH HAVE TO BE
REMOVED AND RESET.
DIFFICULTY IN CHEWING
➢IF PATIENTS HAVE BEEN MISSING TEETH FOR SEVERAL
YEARS, THEY HAVE LOST THE NEUROMUSCULAR SKILLS
REQUIRED TO INCISE AND GRIND FOOD.
(2)
➢REASSURE THE PATIENT THAT THE CHEWING PATTERN
WILL EVENTUALLY BE REESTABLISHED.
➢DURING THE EARLY PERIOD OF ADJUSTMENT, PATIENT IS
TO AVOID EXTREMELY TOUGH, STRINGY, OR STICKY
FOOD.