Orthodontics Assistance Final Actual Exam 200 Questions & Correct Detailed Answers Update New Solution A+ Passed
Orthodontics Assistance Final Actual Exam
200 Questions & Correct Detailed Answers
Update New Solution A+ Passed
What occurs during first appointment? - ANSWER ✔ - Initial exam and interview
X-rays
Impressions for study models
Treatment plan
What type of records are used in an orthodontics practice? - ANSWER ✔ - Clinical photos I/E. E/O
Radiographs: Lateral Ceph, OPG, Cone Beam
Plaster Models
Which reference points are used to assess facial symmetry? - ANSWER ✔ - Facial midline through glabella
& philtrum
Pupillary midline
Where is facial asymmetry commonly found? - ANSWER ✔ - Rarely maxilla:
Chin
Mandibles
Angles and
Cheekbones
What reference points are used for facial convexity? - ANSWER ✔ - Glabella
Sub nasal
Pogo ion (anterior point of chin)
What type of malocclusion is indicated by convex? - ANSWER ✔ - Class II
, Orthodontics Assistance Final Actual Exam 200 Questions & Correct Detailed Answers Update New Solution A+ Passed
What type of malocclusion is indicated by concave? - ANSWER ✔ - Class III (hypoplastic maxilla)
What is Brachyfacial? - ANSWER ✔ - Broad square face
Low mandibular plane angle
Strong chin
Straight profile
Flat lip posture
What is Dolicofacial? - ANSWER ✔ - Long narrow face
High mandibular plane angle
Convex
Poor chin development
Anterior, posterior face height imbalance
What is mesofacial? - ANSWER ✔ - Well balanced i.e. equal thirds
What does a negative discrepancy, in spacing measured with calipers indicate? - ANSWER ✔ - Crowding
What is molar Class I malocclusion? - ANSWER ✔ - MB cusp of upper 6 should rest on MB groove on lower
6
What is Class II molar malocclusion? - ANSWER ✔ - MB Cusp of upper 6 is mesial to MB groove of lower 6
What is Class III molar malocclusion - ANSWER ✔ - MB cusp of upper 6 is positioned distal to the MB
groove of lower 6
What is overbite? - ANSWER ✔ - Vertical overlap of incisors - normal is 1-2mm
What is open bite? - ANSWER ✔ - No vertical overlap of incisors
, Orthodontics Assistance Final Actual Exam 200 Questions & Correct Detailed Answers Update New Solution A+ Passed
What is a deep bite? - ANSWER ✔ - Vertical overlap of incisors measured as a percentage
What is overjet? - ANSWER ✔ - Horizontal overlap of incisors
What is normal overjet? - ANSWER ✔ - 2-3mm
What is anterior crossbite? - ANSWER ✔ - Lower anteriors are in front of upper incisors
What is a posterior cross bite? - ANSWER ✔ - Mandibular posterior teeth are buccal positioned in relation
to Maxillary, reflects narrow max arch
What is CR-CO? - ANSWER ✔ - The relationship between Centric Relation and Centric Occlusion
What are the steps of Diagnosis and Tx Planning? - ANSWER ✔ - 1. Develop adequate diagnostic database
2. Formulate problem list (diagnoses)
3. Prioritise problems on list
4. Evaluate Interactions between solutions
5. Evaluate alternative solutions
6. Develop final treatment concept with Pt. input
What are indications for Orthodontic Tx? - ANSWER ✔ - 1.Alleviate social handicap
2. Enhance Dental and Facial appearance
3. Maintain normal development
4. Improve Jaw function
5. Reduce trauma on dentition and soft tissue
6. Facilitate other Dental Tx (e.g. implants)
What is the Field theory? - ANSWER ✔ - Explains usual pattern of hypodontia where for any given field
(Incisors, canines, PM and M), the most distal tooth is most likely to experience hypodontia e.g. laterals,
5s, 8s
Orthodontics Assistance Final Actual Exam
200 Questions & Correct Detailed Answers
Update New Solution A+ Passed
What occurs during first appointment? - ANSWER ✔ - Initial exam and interview
X-rays
Impressions for study models
Treatment plan
What type of records are used in an orthodontics practice? - ANSWER ✔ - Clinical photos I/E. E/O
Radiographs: Lateral Ceph, OPG, Cone Beam
Plaster Models
Which reference points are used to assess facial symmetry? - ANSWER ✔ - Facial midline through glabella
& philtrum
Pupillary midline
Where is facial asymmetry commonly found? - ANSWER ✔ - Rarely maxilla:
Chin
Mandibles
Angles and
Cheekbones
What reference points are used for facial convexity? - ANSWER ✔ - Glabella
Sub nasal
Pogo ion (anterior point of chin)
What type of malocclusion is indicated by convex? - ANSWER ✔ - Class II
, Orthodontics Assistance Final Actual Exam 200 Questions & Correct Detailed Answers Update New Solution A+ Passed
What type of malocclusion is indicated by concave? - ANSWER ✔ - Class III (hypoplastic maxilla)
What is Brachyfacial? - ANSWER ✔ - Broad square face
Low mandibular plane angle
Strong chin
Straight profile
Flat lip posture
What is Dolicofacial? - ANSWER ✔ - Long narrow face
High mandibular plane angle
Convex
Poor chin development
Anterior, posterior face height imbalance
What is mesofacial? - ANSWER ✔ - Well balanced i.e. equal thirds
What does a negative discrepancy, in spacing measured with calipers indicate? - ANSWER ✔ - Crowding
What is molar Class I malocclusion? - ANSWER ✔ - MB cusp of upper 6 should rest on MB groove on lower
6
What is Class II molar malocclusion? - ANSWER ✔ - MB Cusp of upper 6 is mesial to MB groove of lower 6
What is Class III molar malocclusion - ANSWER ✔ - MB cusp of upper 6 is positioned distal to the MB
groove of lower 6
What is overbite? - ANSWER ✔ - Vertical overlap of incisors - normal is 1-2mm
What is open bite? - ANSWER ✔ - No vertical overlap of incisors
, Orthodontics Assistance Final Actual Exam 200 Questions & Correct Detailed Answers Update New Solution A+ Passed
What is a deep bite? - ANSWER ✔ - Vertical overlap of incisors measured as a percentage
What is overjet? - ANSWER ✔ - Horizontal overlap of incisors
What is normal overjet? - ANSWER ✔ - 2-3mm
What is anterior crossbite? - ANSWER ✔ - Lower anteriors are in front of upper incisors
What is a posterior cross bite? - ANSWER ✔ - Mandibular posterior teeth are buccal positioned in relation
to Maxillary, reflects narrow max arch
What is CR-CO? - ANSWER ✔ - The relationship between Centric Relation and Centric Occlusion
What are the steps of Diagnosis and Tx Planning? - ANSWER ✔ - 1. Develop adequate diagnostic database
2. Formulate problem list (diagnoses)
3. Prioritise problems on list
4. Evaluate Interactions between solutions
5. Evaluate alternative solutions
6. Develop final treatment concept with Pt. input
What are indications for Orthodontic Tx? - ANSWER ✔ - 1.Alleviate social handicap
2. Enhance Dental and Facial appearance
3. Maintain normal development
4. Improve Jaw function
5. Reduce trauma on dentition and soft tissue
6. Facilitate other Dental Tx (e.g. implants)
What is the Field theory? - ANSWER ✔ - Explains usual pattern of hypodontia where for any given field
(Incisors, canines, PM and M), the most distal tooth is most likely to experience hypodontia e.g. laterals,
5s, 8s
