DENTAL ASSISTING MN LICENSURE EXAM REVIEW
QUESTIONS | TESTED AND PROVEN ANSWERS |
LATEST UPDATE 2024/2025 100% (GRADE A+)
Chlorahexadine Stain
Ans>> Found in Chewing Gum and Mouthrinses, Yellowish to green brown in color
Endogenous Stains
Ans>> Originate within the tooth through developmental and systemic disturbances and CAN'T
be removed
Exogenous Stains
Ans>> Those that originate outside the tooth and are caused by environmental agents
Extrinsic Stains
Ans>> Are those stains that appear on the exterior of the tooth and CAN be removed
Intrinsic Stains
1
,Ans>> Are caused by environmental source but CAN'T be removed because the stain has
become incorporated into the tooth structure
Black Stain
Ans>> Thin Black line on the teeth near the gingival margin, Frequently found in clean mouths.
Extrinsic
Tobacco Stain
Ans>> A very tenacious dark brown or black stain - Extrinsic
Brown or yellow stain
Ans>> Most commonly found on the buccal surfaces of the maxillary molars and the lingual
surfaces of the lower anterior Incisors - Extrinsic
Dental plaque agents
Ans>> Reddish brown stain on the interproximal and cervical areas of the teeth. Caused by
prescription mouth princes that contain chlorhexidine - Extrinsic
2
,Nasmyths membrane
Ans>> Light green or brownish stain caused by food stains in the residue of epithelium, on newly
erupted teeth - Extrinsic
Natural rubber polishing cups
Ans>> More resilient and do not stain the teeth
Synthetic polishing cups
Ans>> should be used for patients with latex allergies
Zirconium Silicate
Ans>> Good for Gold, Exposed dentin, tooth colored restorations
Tin Oxide
Ans>> Good on enamel and metallic restorations, mixed with water, alcohol, glycerin
Flour of pumice
3
, Ans>> to Remove stains from enamel, High abrasiveness
Chalk
Ans>> Mild abrasive, used in some prophy pastes and for both whitening
Prophy Brushes should not be used on ___________ ?
Ans>> Dentin
When polishing:
Ans>> 1)Apply light pressure so the cup flares into sulcus 1 - 2mm
2) Go from the Gingival 3rd to the occlusal 3rd
3) overlapping strokes
What grasp is used to operate the prophy angle?
Ans>> Pen grasp
Periodontal dressings Types
4
QUESTIONS | TESTED AND PROVEN ANSWERS |
LATEST UPDATE 2024/2025 100% (GRADE A+)
Chlorahexadine Stain
Ans>> Found in Chewing Gum and Mouthrinses, Yellowish to green brown in color
Endogenous Stains
Ans>> Originate within the tooth through developmental and systemic disturbances and CAN'T
be removed
Exogenous Stains
Ans>> Those that originate outside the tooth and are caused by environmental agents
Extrinsic Stains
Ans>> Are those stains that appear on the exterior of the tooth and CAN be removed
Intrinsic Stains
1
,Ans>> Are caused by environmental source but CAN'T be removed because the stain has
become incorporated into the tooth structure
Black Stain
Ans>> Thin Black line on the teeth near the gingival margin, Frequently found in clean mouths.
Extrinsic
Tobacco Stain
Ans>> A very tenacious dark brown or black stain - Extrinsic
Brown or yellow stain
Ans>> Most commonly found on the buccal surfaces of the maxillary molars and the lingual
surfaces of the lower anterior Incisors - Extrinsic
Dental plaque agents
Ans>> Reddish brown stain on the interproximal and cervical areas of the teeth. Caused by
prescription mouth princes that contain chlorhexidine - Extrinsic
2
,Nasmyths membrane
Ans>> Light green or brownish stain caused by food stains in the residue of epithelium, on newly
erupted teeth - Extrinsic
Natural rubber polishing cups
Ans>> More resilient and do not stain the teeth
Synthetic polishing cups
Ans>> should be used for patients with latex allergies
Zirconium Silicate
Ans>> Good for Gold, Exposed dentin, tooth colored restorations
Tin Oxide
Ans>> Good on enamel and metallic restorations, mixed with water, alcohol, glycerin
Flour of pumice
3
, Ans>> to Remove stains from enamel, High abrasiveness
Chalk
Ans>> Mild abrasive, used in some prophy pastes and for both whitening
Prophy Brushes should not be used on ___________ ?
Ans>> Dentin
When polishing:
Ans>> 1)Apply light pressure so the cup flares into sulcus 1 - 2mm
2) Go from the Gingival 3rd to the occlusal 3rd
3) overlapping strokes
What grasp is used to operate the prophy angle?
Ans>> Pen grasp
Periodontal dressings Types
4
