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purpose of wearing dentures
- replace missing teeth and adjacent structures (esthetics)
- provide function (ability to eat and enunciation)
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types of removable complete dentures (6)
- tissue-supported complete denture
- implant denture
- overdenture
- interim denture prosthesis
- immediate denture
- denture for primary teeth
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removable dental prosthesis that replaces the entire dentition and associated structures of the maxilla or the manible and rests on the denture foundation area, the mucosal-coverd alveolar ridge
tissue-supported complete denture
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a complete dental prosthesis that is supported in part or whole by one or more dental implants. The denture itself is not an implantable device.
implant denture
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a removable prosthesis that rests on one or more remaining natural teeth, tooth roots, and/or dental implants. AKA overlay prosthesis.
overdenture
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a removable dental prosthesis designed to enhance esthetics, stabilization, and or function for a limited period of time, after which it is to be replaced by a definitive prosthesis. Used to assist in determination of the therapeutic effectiveness of a specific treatment plan or in determining th eform and funciton of the planned definitive prosthesis.
interim denture prosthesis
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a denture fabricated for placment immediately following the removal of a natural tooth or teeth. tends to loosen after the significant remodeling of bone and soft tissue that follows surgery
Immediate denture
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if teeth are congenitally missing or have been extracted due to rampant caries or trauma, this denture is used for primary teeth
denture for primary teeth
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when is an immediate denture placed
same day teeth are extracted
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When do most changes in residual ridges of an edentulous mouth occur?
1st year
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Mandibular bone loss is generally how many times greater than maxillary?
4 times
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detects adequacy of the width of the attached gingiva; locates frenal attachments and their proximity to the free gingiva; identifies the mucogingival junction
tension test
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When should you prepare a patient for dentures?
before they get them
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How long must an immediate denture remain in place?
24-48 hrs
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new dentures should remain over healed ridges for how long?
24-48 hrs
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Denture related bone changes result from (3)
- Alveolar ridge remodeling
- compenstations by the patient
- treatment by the dentist
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alveolar ridge remodeling may lead to
- loss of denture support
- loss of facial height and lip support
- increase prominence of the chin
- tmj manifestations
- occlusal disharmony
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What compensations might the patient make for dentures
- adjust the way they wear them
- use drugstore remedies (pads, adhesives, self-reline materials)
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When are denture adhesives good to compensate for poorly designed, constructed or ill-fitting dentures?
NEVER
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Factors that influence the mucosa in denture patient (6)
- Aging (thinner)
- systemic conditions that alter host response
- xerostomia (from meds, not age)
- biofilm removal on denture and tissues
- wearing denture constantly
- fit and occlusion of denture
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Lubrication (saliva reduces friciton/irritation
Retention (saliva important for suction of denture)
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Radiation generally damages which glands?
Paratid
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Negative fluid balance is found in which patients?
kidney patients
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Most common causes of xerostomia
- drugs/meds
- therapeutic radiation
- sjogern's syndrome
- emotional and anxiety states
- negative fluid balance
- nutritional and hormonal deficiencies
- anemia
- AIDS
- Polyuric states
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remedies for temporary relief of xerostomia
- saliva substitutes
- frequent rinsing w water
- sucking dry ice
- xylitol gumOral Pilocarpine
- Moisturizing products
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increases salivary flow; used in head adn neck radiation patients; Rx only
Oral pilocarpine
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moisturizing products to recommend for xerostomia (5)
- oral lubricants
- mouth rinses
- toothpastes
- sprays
- lozenges
- (biotene, salese, oasis, spry)
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Principle causes of Lesions Under Dentures
- Ill-fitting dentures
- Inadequate oral hygiene
- continuous wearing of dentures
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Sensory changes in denture patients
- Tactile sense (cant feel bones or nut shells, proprioception: may chew too hard)
- Taste (taste buds of palate are affected...not the tongue; odors not removed regularly)
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located on the palate, rearely outside the confines of the bony ridges. Appears as a group of closely arranged, pebble-shaped, red, edematous projections
Papillary hyperplasia
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Inflammation of the gumes due to (5)
- trauma from ill-fitting dentures
- continuous dneture wearing
- reduced salivary flow
- lack of denture cleanliness
- aging dentures
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Generalized Inflammation caused by
Oral candidiasis in the form of denture stomatitis
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treatment for inflammatory lesions
- adjustments
- new denture
- anifungal medication
- massaging the tissue
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ylcerative lesions can be related to?
overextended denture border
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ulcerative lesion should be biopsied if persising longer than?
have patient return in how many days?
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Contributing factors of angular cheilitis
- loss of vertical dimension
- riboflavin deficiency
- candida albicans infection
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Prevention procedures with dentures (6)
- denture hygiene
- oral mucosa
- rest for the tissue
- diet and nutrition
- relief from xerostomia
- dental caries control for overdenture wearers
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appointment frequency for denture wearers
no less than 1x per year
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dental hygienist job for maintinance appt for a denture wearer
- pt history
- bp
- eo/io
- remove dentures
- clean w high power soln
- soften calculus
- use denture brush
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methods for marking dentures
- printed enclosure
- microchips
- copper vapor laser
- prepartion into denture
- indelible pen or ballpoint
- engraving tool
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what to include when marking dentures
- name/initials
- ssn
- blood type, vital drug or disease conditions
- dentist's registration or hospital number
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