Costley Module 14 ch 28 Flashcards
Describe a type 1 embrasure
interdental gingiva fills interproximal area
Describe a type 2 embrasure
interdental papilla is missing/reduced in height
Describe a type 3 embrasure
extensive recession of interdental papilla and marginal papilla or complete loss of interdental papilla
Posterior teeth have _____ papillae and anterior teeth have _____ papillae
2
1
The epithelium of the col is usually __ and not ___
thin
keratinized
Col epithelium is ___ and is _____ resistant to infection
protected
less
Most gingival disease starts in the _____
col
Interdental papillae are reduced in height due to ____ and loss of _____
bacteria
gingival attachment
Furcation areas of __ and ____ teeth are seen during advanced periodontitis
MX 1st premolars
molars
The selection of interdental aids depends on the ___, ___ and ____ of the patient
oral health
disease status
risk of future recurrence
Historically ___ floss was used
silk waxed
____ floss is the main type of floss made today
nylon (waxed/non-waxed)
Waxed floss help to prevent against?
trauma to soft tissue
breaks in the floss
Unwaxed floss is beneficial because pressure against a tooth surface with it will do what?
spread fibers and give wider surface for biofilm removal
Unwaxed floss ___ when passed over clean surfaces
squeaks
Unwaxed floss can ____ and cause ____ due to the sharper thin edge
hurt
discomfort
Best results are obtained by using floss ___ brushing
before
You should hold a _ to _ inch piece of floss and have a _ inch of floss between the fingertips
12
15
1
You should rest a side of a finger on teeth of the ___ side to provide a fulcrum
opposite
Hold floss in a __/___ position and guide floss with a gentle ____ motion to prevent snapping through a contact
diagonal/oblique
sawing
You should move the floss in both an ____ and a ____ stroke
up/down
shoe shine
Dental ____ is better in retaining denitrifices against teeth
tape
Floss cuts/clefts occur primarily on _ and __ surfaces
lingual/palatal
facial
What are the 4 causes of floss cuts and floss clefts?
too long a piece of floss
snapping floss
not curving
too much pressure
Tufted floss is aslo called?
floss/yarn combination
What are the 2 types of tufted floss
super floss
NUFloss
Tufted floss is used to remove biofilm in between teeth with __ embrasures
wide
A floss threader is used around _____ appliances or under ___ appliances
orthodontic
fixed denture
An End-tuft brush is helpful on ___ surfaces of the mandibular _____ and the __ surfaces of the most posterior teeth
lingual
molars
distal
Tooth pick in holder is also called a “_____”
perio aid
Wooden interdental cleaners are used on surfaces where the _____ are exposed and interdental gingiva are ____
tooth surfaces
missing
oral irrigators are used for __ or __ purposes
therapeutic
preventive
The purpose of irrigators is to reduce the __ and _____ that lead to the initiation or progression of periodontal infections
bacteria
inflammatory mediators
Toothbrushes can only penetrate the gingiva how far?
1mm
There are 2 zones of hydrokinetic activity created by oral irrigators, they are?
impact zone
flushing zone
Irrigation devices have shown a significant reduction of __ and __ even with water as the irrigant
bleeding
gingivitis
Irrigants can change the ___ and ____ of subgingival biofilm organisms
quality
quantity
What kinds of patients have to be evaluated, need physician consult, before introducing an oral irrigator?
people who need to premed
Incidence of bacteremia from irrigation ranges from ____% to ___% in patients with gingivitis and periodontitis respectively
6
50
