CALIFORNIA RDA WRITTEN STATE
BOARD EXAM 2025/2026 CURRENTLY
TESTING COMPLETE EXAM
QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT
ANSWERS) /A+ STUDY MATERIAL
When a person occludes and mandibular anterior teeth
cannot be seen, the diagnosis is - ....ANSWER...over bite
What position(s) will the orthodontist evaluate for facial
symmetry? - ....ANSWER...frontal and profile view
What type of radiograph is the most commonly exposed in
orthodontics? - ....ANSWER...Panoramic
How many photographs are commonly taken in the
diagnostic records appointment? - ....ANSWER...six
,What gypsum material is most commonly used for
fabricating orthodontic diagnostic models? -
....ANSWER...plaster
What instrument is part of the setup for seating and
cementing a molar band? - ....ANSWER...bite stick
The orthodontic scaler is used for -
....ANSWER...removing excess cement or bonding
material
To ease the placement of orthodontic bands, what
procedure is completed to open the contact between teeth?
- ....ANSWER...Placement of a seperator
When cementing bands, what material or device can be
used to prevent cement from getting into the buccal tubes
or attachments? - ....ANSWER...Lip balm and Utility
wax
How are brackets adhered to a tooth? -
....ANSWER...Bonding agent
,Where are auxiliary attachments found on braces? -
....ANSWER...brackets and bands
What shape of arch wire is indicated for correcting
malaligned teeth? - ....ANSWER...rectangular wire
How would an arch wire be sized for a patient without
placing it into the patient's mouth? - ....ANSWER...study
model and used arch wire
Besides ligature ties, what can be used to hold an arch wire
in place? - ....ANSWER...elastomeric ties
The purpose of dental sealants is - ....ANSWER...to
prevent decay from pits and fissures of teeth
Why are pits and fissures susceptible to caries? -
....ANSWER...Fluoride is less effective in these areas and
these areas are difficult to clean
, Are sealants the only preventative measure used? -
....ANSWER...NO
What are the ways for sealant materials to harden? -
....ANSWER...Polymerization, light-cure, self-cure
Why is clear sealant material less desirable? -
....ANSWER...It is more difficult to evaluate
What is the difference between filled and unfilled sealants
regarding retention rates? - ....ANSWER...No difference
Sealants are placed - ....ANSWER...in pits and fissures
What is the range of shelf life of sealants materials? -
....ANSWER...18 to 36 months
What patient safety precautions should be considered
when one is placing sealants? - ....ANSWER...Keep the
etchant off the soft tissue and Have the patient wear
eyewear
BOARD EXAM 2025/2026 CURRENTLY
TESTING COMPLETE EXAM
QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT
ANSWERS) /A+ STUDY MATERIAL
When a person occludes and mandibular anterior teeth
cannot be seen, the diagnosis is - ....ANSWER...over bite
What position(s) will the orthodontist evaluate for facial
symmetry? - ....ANSWER...frontal and profile view
What type of radiograph is the most commonly exposed in
orthodontics? - ....ANSWER...Panoramic
How many photographs are commonly taken in the
diagnostic records appointment? - ....ANSWER...six
,What gypsum material is most commonly used for
fabricating orthodontic diagnostic models? -
....ANSWER...plaster
What instrument is part of the setup for seating and
cementing a molar band? - ....ANSWER...bite stick
The orthodontic scaler is used for -
....ANSWER...removing excess cement or bonding
material
To ease the placement of orthodontic bands, what
procedure is completed to open the contact between teeth?
- ....ANSWER...Placement of a seperator
When cementing bands, what material or device can be
used to prevent cement from getting into the buccal tubes
or attachments? - ....ANSWER...Lip balm and Utility
wax
How are brackets adhered to a tooth? -
....ANSWER...Bonding agent
,Where are auxiliary attachments found on braces? -
....ANSWER...brackets and bands
What shape of arch wire is indicated for correcting
malaligned teeth? - ....ANSWER...rectangular wire
How would an arch wire be sized for a patient without
placing it into the patient's mouth? - ....ANSWER...study
model and used arch wire
Besides ligature ties, what can be used to hold an arch wire
in place? - ....ANSWER...elastomeric ties
The purpose of dental sealants is - ....ANSWER...to
prevent decay from pits and fissures of teeth
Why are pits and fissures susceptible to caries? -
....ANSWER...Fluoride is less effective in these areas and
these areas are difficult to clean
, Are sealants the only preventative measure used? -
....ANSWER...NO
What are the ways for sealant materials to harden? -
....ANSWER...Polymerization, light-cure, self-cure
Why is clear sealant material less desirable? -
....ANSWER...It is more difficult to evaluate
What is the difference between filled and unfilled sealants
regarding retention rates? - ....ANSWER...No difference
Sealants are placed - ....ANSWER...in pits and fissures
What is the range of shelf life of sealants materials? -
....ANSWER...18 to 36 months
What patient safety precautions should be considered
when one is placing sealants? - ....ANSWER...Keep the
etchant off the soft tissue and Have the patient wear
eyewear
