اللجنة العلمية للدفعة السادسة طب الأسنان - جامعة تعز
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نرحب بكم في اللجنة العلمية لدفعة السادسة طب جراحة الفم والاسنان هنا تجدون كل ما تحتاجون في تخصص طب وجراحه الفم والاسنان الفهرس الخاص بالقناه https://t.me/rrryel بوت التواصل مع اللجنة @Khalifa577_bot رئيس اللجنه العلمية/خليفه البريهي
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Channel Posts
+1
- Midterm exam :🛑🛑مجاووب 🛑🛑
orthodontics²
- جامعة الجند
-د/عقلان الكامل
لـ #وجيه_عبده_قاسم
#محمد_سعيد
• قناة اللّجنة العلمية⁶.| • قناة الفهرس.
• بوت التّواصل الخاص باللّجنة↫. . @Khalifa577_bot
| 2 |  +3- اختبار جامعة الرواد (تقويم اسنان٢)
🛑🛑مجاووب 🛑🛑
-د/عقلان الكامل
لـ #وجيه_عبده_قاسم
#محمد_سعيد
- طبعا ذا الاختبار من محاضرة الExamination ,إلى عند Landmarks حق السيفالو فقط .
*- اما بالنسبه للسوال المقالي كان عباره عن مسألة عن Bolton’s analysis .
• قناة اللّجنة العلمية⁶.| • قناة الفهرس.
• بوت التّواصل الخاص باللّجنة↫. . @Khalifa577_bot | 134 |
| 3 | تفريغ محاضرات Orthodontics
#Orthodontics²
•د.عقلان الكامل
•لـ #توهيب_الفقيه
• قناة اللّجنة العلمية⁶.| • قناة الفهرس.
• بوت التّواصل الخاص باللّجنة↫. . @Khalifa577_bot | 118 |
| 4 | · A) Class I malocclusion
· B) Class II malocclusion
· C) Class III malocclusion
· D) Normal relationship
Answer: B) Class II malocclusion
---
31. The normal interincisal angle is:
· A) 90 degrees
· B) 112 degrees
· C) 130 degrees
· D) 150 degrees
Answer: C) 130 degrees
---
32. An interincisal angle below 130 degrees indicates:
· A) Retroclined incisors
· B) Proclined incisors
· C) Normal incisor position
· D) Edge-to-edge bite
Answer: B) Proclined incisors
---
33. The normal mandibular plane angle (SN to mandibular plane) mean is:
· A) 14 degrees
· B) 32 degrees
· C) 59.4 degrees
· D) 90 degrees
Answer: B) 32 degrees
---
34. The mean Y (growth) axis angle (Frankfort plane to S-Gn) is:
· A) 32 degrees
· B) 59.4 degrees
· C) 82 degrees
· D) 112 degrees
Answer: B) 59.4 degrees
---
35. An SNA angle greater than 84° is classified as:
· A) Orthognathic
· B) Prognathic
· C) Retrognathic
· D) Normal
Answer: B) Prognathic
---
36. An SNB angle less than 78° is classified as:
· A) Orthognathic
· B) Prognathic
· C) Retrognathic
· D) Normal
Answer: C) Retrognathic
---
37. The normal range for Y (growth) axis is:
· A) 30-40 degrees
· B) 40-50 degrees
· C) 53-66 degrees
· D) 70-80 degrees
Answer: C) 53-66 degrees
---
38. The maxillary plane is defined as a line joining:
· A) Sella and nasion
· B) Porion and orbitale
· C) Anterior and posterior nasal spines
· D) Gonion and menton
Answer: C) Anterior and posterior nasal spines
---
39. The mandibular plane is defined as a line joining:
· A) Sella and nasion
· B) Porion and orbitale
· C) Gonion and menton
· D) Anterior and posterior nasal spines
Answer: C) Gonion and menton
---
40. The normal upper central incisor inclination to Frankfort plane is:
· A) 90 degrees
· B) 112 degrees
· C) 130 degrees
· D) 150 degrees
Answer: B) 112 degrees
--- | 143 |
| 5 | · A) The most prominent point of the nose
· B) The most anterior prominent point in the midsagittal plane of the forehead
· C) The point of greatest concavity between the forehead and the nose
· D) The lowest point on the soft tissue chin
Answer: B) The most anterior prominent point in the midsagittal plane of the forehead
---
18. Pronasale (Pn) is defined as:
· A) The point of greatest concavity in the midline between forehead and nose
· B) The point where columella merges with upper lip
· C) The most prominent or anterior point of the nose (tip of the nose)
· D) The lowermost point on the vermilion of the upper lip
Answer: C) The most prominent or anterior point of the nose (tip of the nose)
---
19. Subnasale (Sn) is defined as:
· A) The point of greatest concavity in the midline of the upper lip
· B) The point where the columella merges with the upper lip in the midsagittal plane
· C) The most prominent point of the chin
· D) The lowest point on the soft tissue chin
Answer: B) The point where the columella merges with the upper lip in the midsagittal plane
---
20. Soft tissue pogonion (Pog') is defined as:
· A) The lowest point on the contour of the soft tissue chin
· B) The most prominent or anterior point on the chin in the midsagittal plane
· C) The point of greatest concavity in the midline of the lower lip
· D) The median point on the lower margin of the lower lip
Answer: B) The most prominent or anterior point on the chin in the midsagittal plane
---
Hard Tissue Landmarks
21. Point A (Subspinale) is defined as:
· A) The most anterior point on the frontonasal suture
· B) The deepest concavity on anterior profile of maxilla
· C) The most anterior point on the chin
· D) The deepest concavity on anterior surface of mandibular symphysis
Answer: B) The deepest concavity on anterior profile of maxilla
---
22. Point B (Supramentale) is defined as:
· A) The deepest concavity on anterior profile of maxilla
· B) The most anterior inferior point on the maxillary alveolar process
· C) The deepest concavity on anterior surface of mandibular symphysis
· D) The most anterior point on the chin
Answer: C) The deepest concavity on anterior surface of mandibular symphysis
---
23. Sella (S) is defined as:
· A) The most superior point of the external auditory meatus
· B) The midpoint of sella turcica (geometric center of the pituitary fossa)
· C) The lowest point on the anterior rim of the foramen magnum
· D) The most anterior point on the frontonasal suture
Answer: B) The midpoint of sella turcica (geometric center of the pituitary fossa)
---
24. Gonion (Go) is defined as:
· A) The most superior posterior point on the condylar head
· B) The most posterior inferior point on the angle of the mandible
· C) A point at the junction of the posterior border of the ramus and occipital bone
· D) The lowest point on the symphyseal outline of the chin
Answer: B) The most posterior inferior point on the angle of the mandible
---
25. Gnathion (Gn) is located by:
· A) Taking the midpoint between nasion and menton
· B) Taking the midpoint between pogonion and menton
· C) Taking the midpoint between sella and nasion
· D) Taking the midpoint between porion and orbitale
Answer: B) Taking the midpoint between pogonion and menton
---
Cephalometric Planes
26. The SN line joins:
· A) Porion and orbitale
· B) Sella and nasion
· C) Gonion and menton
· D) Anterior and posterior nasal spines
Answer: B) Sella and nasion
---
27. The Frankfort plane joins:
· A) Sella and nasion
· B) Porion and orbitale
· C) Gonion and menton
· D) Anterior and posterior nasal spines
Answer: B) Porion and orbitale
---
Cephalometric Angles and Analysis
28. The normal SNA angle standard is:
· A) 72° (±2)
· B) 80° (±2)
· C) 82° (±2)
· D) 90° (±2)
Answer: C) 82° (±2)
---
29. The normal SNB angle standard is:
· A) 72° (±2)
· B) 80° (±2)
· C) 82° (±2)
· D) 90° (±2)
Answer: B) 80° (±2)
---
30. An ANB angle of more than 4° indicates: | 117 |
| 6 | - CEPHALOMETRIC :
Multiple-Choice Questions from Cephalometric Radiograph Lecture
---
History and Basic Concepts
1. What does the term "Cephalometry" mean?
· A) Measurement of the skull in cadavers
· B) Scientific measurement of dimensions of the 'living head'
· C) Radiographic imaging of teeth
· D) Measurement of facial muscles
Answer: B) Scientific measurement of dimensions of the 'living head'
---
2. Who published the first refined cephalometric technique applied to orthodontics in 1931?
· A) Pacini alone
· B) Hofrath in Germany and Broadbent in the United States
· C) Angle and Tweed
· D) Ricketts and Steiner
Answer: B) Hofrath in Germany and Broadbent in the United States
---
3. The first paper on cephalometrics was published by Pacini in:
· A) 1910
· B) 1922
· C) 1931
· D) 1945
Answer: B) 1922
---
Cephalostat and Patient Positioning
4. The head holding device used in cephalometric radiography is called:
· A) Cephalostat
· B) Orthopantomograph
· C) Tomograph
· D) Stereostat
Answer: A) Cephalostat
---
5. What prevents movement of the head in the horizontal plane in a cephalostat?
· A) Forehead clamp
· B) Orbital pointer
· C) Two ear rods
· D) Chin rest
Answer: C) Two ear rods
---
6. Vertical stabilization of the head in cephalostat is achieved by:
· A) Ear rods
· B) An orbital pointer contacting the lower border of the left orbit
· C) Bite block
· D) Nose clamp
Answer: B) An orbital pointer contacting the lower border of the left orbit
---
7. The distance between the X-ray source and the mid-sagittal plane of the patient in cephalometry is fixed at:
· A) 3 feet (91.4 cm)
· B) 4 feet (121.9 cm)
· C) 5 feet (152.4 cm)
· D) 6 feet (182.9 cm)
Answer: C) 5 feet (152.4 cm)
---
8. The recommended kilovoltage (kVp) for cephalometric radiographs is:
· A) 50-55
· B) 60-65
· C) 70-75
· D) 80-85
Answer: C) 70-75
---
Types of Cephalometric Radiographs
9. Which type of cephalometric radiograph is commonly used for cephalometric analysis?
· A) Posteroanterior (PA) cephalograph
· B) Lateral cephalometric radiograph
· C) Submentovertex view
· D) Waters view
Answer: B) Lateral cephalometric radiograph
---
10. Posteroanterior (PA) cephalographs are used in:
· A) Routine growth studies
· B) Presurgical and asymmetric growth evaluations
· C) Soft tissue profile analysis
· D) Pharynx evaluation
Answer: B) Presurgical and asymmetric growth evaluations
---
Cephalometric Landmarks Overview
11. Cephalometric landmarks are divided into:
· A) Primary and secondary landmarks
· B) Hard tissue landmarks and soft tissue landmarks
· C) Anterior and posterior landmarks
· D) Cranial and facial landmarks
Answer: B) Hard tissue landmarks and soft tissue landmarks
---
12. Before tracing a cephalometric head film, the clinician should be familiar with:
· A) Only the soft tissues of the face
· B) Only the dentition
· C) The gross anatomy of the head, especially bony components
· D) Only the cranial base
Answer: C) The gross anatomy of the head, especially bony components
---
Craniofacial Bones
13. The sphenoid bone is best described as:
· A) Unpaired bowl-shaped bone in the forehead
· B) Single, butterfly-shaped bone at the base of the skull
· C) Paired bone on each side of the skull
· D) Smallest and thinnest bone of the skull
Answer: B) Single, butterfly-shaped bone at the base of the skull
---
14. Which bone is the smallest and thinnest bone of the skull?
· A) Nasal bone
· B) Lacrimal bone
· C) Vomer bone
· D) Palatine bone
Answer: B) Lacrimal bone
---
15. The mandible has how many parts?
· A) One part
· B) Two parts
· C) Three parts
· D) Four parts
Answer: C) Three parts (body of mandible and two rami)
---
16. The orbital surface of the maxilla features the:
· A) Mental foramen
· B) Infra-orbital groove leading into the infra-orbital canal
· C) Mandibular notch
· D) Pterygoid fovea
Answer: B) Infra-orbital groove leading into the infra-orbital canal
---
Soft Tissue Landmarks
17. Glabella (G) is defined as: | 99 |
| 7 | 18. Which structure is NOT typically visible on a panoramic radiograph?
· A) Mandibular condyle
· B) Maxillary sinus
· C) Dental pulp chamber details
· D) Mental foramen
Answer: C) Dental pulp chamber details
---
19. The sigmoid notch is located between:
· A) The condyle and coronoid process
· B) The maxilla and mandible
· C) The teeth and alveolus
· D) The sinus and nasal cavity
Answer: A) The condyle and coronoid process
---
20. The styloid process is visible on OPG and is located near the:
· A) Maxillary sinus
· B) External auditory meatus
· C) Mental foramen
· D) Anterior nasal spine
Answer: B) External auditory meatus
---
21. The mandibular canal and mental foramen are structures evaluated in:
· A) Step 1 of OPG interpretation
· B) Step 2 of OPG interpretation
· C) Step 3 of OPG interpretation
· D) Step 4 of OPG interpretation
Answer: B) Step 2 of OPG interpretation
---
OPG Interpretation Steps
22. The first step in reading an OPG is to:
· A) Examine the maxillary sinuses
· B) Examine the mandibular bony outline from condyle to condyle
· C) Evaluate the teeth
· D) Check soft tissue
Answer: B) Examine the mandibular bony outline from condyle to condyle
---
23. When interpreting OPG, it is advisable to:
· A) Only examine the right side
· B) Compare the right and left sides
· C) Only examine the left side
· D) Ignore symmetry assessment
Answer: B) Compare the right and left sides
---
24. The final step in OPG interpretation involves:
· A) Examining the mandibular cortex
· B) Evaluating the teeth
· C) Checking any apparent soft tissue
· D) Examining the maxillary sinuses
Answer: C) Checking any apparent soft tissue
---
25. Findings from OPG regarding caries, fractures, or pathology should be:
· A) Considered definitive diagnosis
· B) Clinically correlated and/or with IOPAs or bitewing radiographs
· C) Ignored if not visible
· D) Only used for surgical planning
Answer: B) Clinically correlated and/or with IOPAs or bitewing radiographs | 83 |
| 8 | - ORTHOPANTOMOGRAM :
Multiple-Choice Questions from Orthopantomogram (OPG) Lecture
---
Definition and Basic Concepts
1. What does "Orthopantomogram (OPG)" literally mean?
· A) Orthodontic + Panoramic + Graph
· B) Ortho (straight/correct) + Panto (all/entire) + Gram (image/record)
· C) Oral + Panoramic + Radiograph
· D) Orthogonal + Panto + Gram
Answer: B) Ortho (straight/correct) + Panto (all/entire) + Gram (image/record)
---
2. Panoramic radiography was first described by:
· A) Roentgen
· B) Paatero and Numata
· C) Ricketts
· D) Angle
Answer: B) Paatero and Numata
---
3. In panoramic radiography, the X-ray tube head and image receptor rotate in:
· A) The same direction
· B) Opposite directions
· C) Random directions
· D) A stationary position
Answer: B) Opposite directions
---
Head Positioning
4. For an accurate panoramic image, the Mid-Sagittal Plane must be:
· A) Parallel to the floor
· B) Perpendicular to the floor (vertical)
· C) At a 45-degree angle
· D) Tilted upward
Answer: B) Perpendicular to the floor (vertical)
---
5. The Frankfort Horizontal Plane must be:
· A) Perpendicular to the floor
· B) Parallel to the floor
· C) At a 30-degree angle
· D) Aligned with the occlusal plane
Answer: B) Parallel to the floor
---
6. Misalignment of head positioning planes can result in:
· A) Clearer images
· B) Distorted panoramic images and inaccurate diagnosis
· C) Lower radiation dose
· D) Faster image acquisition
Answer: B) Distorted panoramic images and inaccurate diagnosis
---
Advantages of OPG
7. Which is NOT an advantage of panoramic radiography?
· A) Broad anatomical coverage
· B) Low radiation dose
· C) High resolution for detecting small caries
· D) High patient comfort
Answer: C) High resolution for detecting small caries
---
8. Panoramic radiography is ideal for patients with:
· A) Dental implants
· B) Gag reflex or trismus
· C) Orthodontic brackets
· D) Dental caries
Answer: B) Gag reflex or trismus
---
9. The total time required for OPG positioning and exposure is approximately:
· A) 1 minute
· B) 3-4 minutes
· C) 10-15 minutes
· D) 30 minutes
Answer: B) 3-4 minutes
---
Disadvantages of OPG
10. Which is a disadvantage of panoramic radiography?
· A) Broad anatomical coverage
· B) Variable magnification and distortion
· C) Low radiation dose
· D) Patient comfort
Answer: B) Variable magnification and distortion
---
11. Overlapping of structures is particularly a problem in the region of:
· A) Maxillary molars
· B) Lower incisors
· C) Mandibular molars
· D) TMJ region
Answer: B) Lower incisors
---
12. Panoramic radiographs are excellent for overview but NOT ideal for:
· A) Patient education
· B) Overall evaluation of dentition
· C) Precise diagnosis or measurements
· D) Detecting impacted teeth
Answer: C) Precise diagnosis or measurements
---
13. Panoramic radiography cannot detect as accurately as intraoral periapical radiographs:
· A) Impacted teeth
· B) Small caries and early periapical lesions
· C) TMJ abnormalities
· D) Sinus pathology
Answer: B) Small caries and early periapical lesions
---
Clinical Applications
14. Which of the following can be assessed using OPG?
· A) Stage of teeth formation
· B) Delayed tooth eruption
· C) Impaction and supernumerary teeth
· D) All of the above
Answer: D) All of the above
---
15. OPG is useful for all of the following EXCEPT:
· A) Assessment of dental age
· B) Detection of small proximal caries
· C) Evaluation of mandibular morphology
· D) Investigation of suspected fractures
Answer: B) Detection of small proximal caries
---
16. Reduced maxillary sinus size is related to:
· A) Mouth breathing and collapse of maxillary segments
· B) Nasal breathing
· C) Normal growth
· D) Excessive mastication
Answer: A) Mouth breathing and collapse of maxillary segments
---
17. OPG provides a sharp and accurate profile view of:
· A) The nasal cavity
· B) The condyle and articular eminence
· C) The maxillary sinus floor
· D) The hard palate
Answer: B) The condyle and articular eminence
---
Anatomical Landmarks | 79 |
| 9 | · A) Mesiobuccal cusp of upper first molar in the buccal groove of lower first molar
· B) Mesiobuccal cusp of upper first molar anterior to the buccal groove
· C) Mesiobuccal cusp of upper first molar posterior to the buccal groove
· D) Normal relationship
Answer: B) Mesiobuccal cusp of upper first molar anterior to the buccal groove
---
58. Angle Class III malocclusion is characterized by:
· A) Normal molar relationship
· B) Mesiobuccal cusp of upper first molar anterior to the buccal groove
· C) Mesiobuccal cusp of upper first molar posterior to the buccal groove
· D) Complete crossbite
Answer: C) Mesiobuccal cusp of upper first molar posterior to the buccal groove
---
59. Anterior deep bite is classified as a problem in:
· A) Transverse plane of space
· B) Vertical plane of space
· C) Anteroposterior plane of space
· D) All planes
Answer: B) Vertical plane of space
---
60. Maxillary buccal posterior crossbite is classified as a problem in:
· A) Anteroposterior plane
· B) Vertical plane
· C) Transverse plane
· D) None of the above
Answer: C) Transverse plane | 80 |
| 10 | Answer: C) Short anterior facial height and deep bite malocclusion
---
Functional Examination - Respiration
38. In mouth breathers, the lips at rest are:
· A) In contact
· B) Separated
· C) Incompetent
· D) Both B and C
Answer: D) Both B and C
---
39. The mirror test for respiration is positive when:
· A) No cloud with moisture appears
· B) Cloud with moisture appears
· C) Mirror remains clear
· D) Mirror cracks
Answer: B) Cloud with moisture appears
---
Functional Examination - Swallowing
40. Infantile swallowing pattern is replaced by mature swallow:
· A) At birth
· B) After 6 months
· C) As buccal teeth start erupting
· D) After permanent teeth eruption
Answer: C) As buccal teeth start erupting
---
41. In normal swallowing:
· A) Teeth are not in occlusion
· B) Active anterior seal is present
· C) Teeth are in occlusion with passive anterior seal
· D) Mentalis muscle contracts
Answer: C) Teeth are in occlusion with passive anterior seal
---
42. Abnormal swallowing may lead to:
· A) Improved occlusion
· B) Tongue thrusting habit and malocclusion
· C) Increased arch width
· D) Overeruption of posterior teeth
Answer: B) Tongue thrusting habit and malocclusion
---
Functional Examination - TMJ
43. Normal maximum interincisal opening range is:
· A) 20-25 mm
· B) 30-35 mm
· C) 40-45 mm
· D) 50-55 mm
Answer: C) 40-45 mm
---
44. A mouth opening less than ___ mm is considered restricted.
· A) 30 mm
· B) 35 mm
· C) 40 mm
· D) 45 mm
Answer: C) 40 mm
---
45. Lateral movement less than ___ mm is considered restricted.
· A) 4 mm
· B) 6 mm
· C) 8 mm
· D) 10 mm
Answer: C) 8 mm
---
46. Deviation in jaw movement is characterized by:
· A) Midline shift that persists with continued opening
· B) Midline shift that disappears with continued opening
· C) Pain on opening
· D) Clicking sound
Answer: B) Midline shift that disappears with continued opening
---
47. Deflection in jaw movement is characterized by:
· A) Midline shift that disappears with continued opening
· B) Midline shift that becomes greater with opening
· C) No midline shift
· D) Inability to open mouth
Answer: B) Midline shift that becomes greater with opening
Intra-oral Examination
48. A palatally impacted canine presents as:
· A) Symmetric palatal contour
· B) Asymmetric palatal contour
· C) Normal palatal vault
· D) High arched palate
Answer: B) Asymmetric palatal contour
---
49. The blanching test is used to diagnose:
· A) Dental caries
· B) Periodontal disease
· C) Abnormal labial frenum
· D) Impacted teeth
Answer: C) Abnormal labial frenum
---
50. Macroglossia may cause:
· A) Crowding of teeth
· B) Flaring and spacing of teeth
· C) Deep bite
· D) Cross bite
Answer: B) Flaring and spacing of teeth
---
51. Microglossia is associated with:
· A) Spacing of teeth
· B) Narrow and collapsed dental arches
· C) Proclined incisors
· D) Open bite
Answer: B) Narrow and collapsed dental arches
---
Tooth Examination
52. Which is NOT a category of tooth number abnormality?
· A) Missing teeth
· B) Supernumerary teeth
· C) Malformed teeth
· D) Rotated teeth
Answer: D) Rotated teeth
---
53. Unilateral extraction may cause:
· A) Bilateral symmetry
· B) Midline shift
· C) Increased arch length
· D) Reduced overbite
Answer: B) Midline shift
---
54. Tooth transposition is defined as:
· A) Rotation of a tooth
· B) Migration of a tooth
· C) Positional interchange of two teeth
· D) Impaction of a tooth
Answer: C) Positional interchange of two teeth
---
Space Analysis
55. Which is NOT a sign of space loss?
· A) Mesial migration of posterior teeth
· B) Loss of space for successional teeth
· C) Increased arch width
· D) Midline shift
Answer: C) Increased arch width
---
56. Tipping of crown only indicates:
· A) Tooth displacement with root movement
· B) Tooth displacement without root movement
· C) Complete tooth movement
· D) No tooth movement
Answer: B) Tooth displacement without root movement
---
Malocclusion Classification
57. Angle Class II malocclusion is characterized by: | 99 |
| 11 | · A) Broad dental arches
· B) Narrow dental arches
· C) Normal dental arches
· D) Irregular dental arches
Answer: B) Narrow dental arches
---
20. A brachycephalic head shape is:
· A) Long and narrow
· B) Broad and short
· C) Average shape
· D) Irregular shape
Answer: B) Broad and short
---
21. Normal facial orientation is parallel to the:
· A) Frankfort horizontal plane
· B) Inter-pupillary line
· C) Camper's line
· D) Occlusal plane
Answer: B) Inter-pupillary line
---
Lip Examination
22. Normal upper lip length is:
· A) 1/4 of lower facial height
· B) 1/3 of lower facial height
· C) 1/2 of lower facial height
· D) 2/3 of lower facial height
Answer: B) 1/3 of lower facial height
---
23. Normal lower lip length is:
· A) 1/3 of lower facial height
· B) 1/2 of lower facial height
· C) 2/3 of lower facial height
· D) 3/4 of lower facial height
Answer: C) 2/3 of lower facial height
---
24. Incompetent lips are characterized by:
· A) Lips in slight contact at rest
· B) Lips parted at rest with muscle contraction on swallowing
· C) Excessive lip thickness
· D) Short lower lip
Answer: B) Lips parted at rest with muscle contraction on swallowing
---
25. A high lip line is located at:
· A) The incisal one third of the upper incisors
· B) The middle or gingival thirds of the upper incisors
· C) Below the plane of occlusion
· D) The cervical margin of lower incisors
Answer: B) The middle or gingival thirds of the upper incisors
---
26. Retroclination is commonly seen in:
· A) Class I malocclusion
· B) Class II division 1 malocclusion
· C) Class II division 2 malocclusion
· D) Class III malocclusion
Answer: C) Class II division 2 malocclusion
---
27. Normal gingival display is approximately:
· A) 0 mm
· B) 1 mm
· C) 2 mm
· D) 5 mm
Answer: C) 2 mm
---
28. Excessive buccal corridors are associated with:
· A) Broad dental arches
· B) Collapsed upper arch and lingual crown torque
· C) Normal arch form
· D) Flared anterior teeth
Answer: B) Collapsed upper arch and lingual crown torque
---
Profile Analysis
29. A convex profile indicates:
· A) Skeletal Class I relationship
· B) Skeletal Class II relationship
· C) Skeletal Class III relationship
· D) Normal relationship
Answer: B) Skeletal Class II relationship
---
30. A concave profile indicates:
· A) Skeletal Class I relationship
· B) Skeletal Class II relationship
· C) Skeletal Class III relationship
· D) Normal relationship
Answer: C) Skeletal Class III relationship
---
31. In a normal (Class I) skeletal relationship, the upper jaw lies:
· A) 5-6 mm in front of the lower
· B) 2-4 mm in front of the lower
· C) 1-2 mm behind the lower
· D) 4-5 mm behind the lower
Answer: B) 2-4 mm in front of the lower
---
32. A decreased nasolabial angle may be caused by:
· A) Maxillary deficiency
· B) Maxillary excess
· C) Thin upper lip
· D) High nasal tip
Answer: B) Maxillary excess
---
33. An increased nasolabial angle may be caused by:
· A) Maxillary excess
· B) Maxillary dentoalveolar protrusion
· C) Thick upper lip
· D) Maxillary dentoalveolar retrusion
Answer: D) Maxillary dentoalveolar retrusion
---
34. In the E-line (Ricketts' esthetic line), the normal upper lip position is:
· A) On the E-line
· B) 2-4 mm behind E-line
· C) 5-6 mm behind E-line
· D) In front of E-line
Answer: B) 2-4 mm behind E-line
---
35. In the E-line, the normal lower lip position is:
· A) On the E-line
· B) 1-2 mm behind E-line
· C) 3-4 mm behind E-line
· D) In front of E-line
Answer: B) 1-2 mm behind E-line
---
36. A steep mandibular plane angle usually indicates:
· A) Short anterior facial height
· B) Long anterior facial height and skeletal open bite tendency
· C) Deep bite malocclusion
· D) Normal facial height
Answer: B) Long anterior facial height and skeletal open bite tendency
---
37. A flat (smaller) mandibular plane angle correlates with:
· A) Skeletal open bite
· B) Long anterior facial height
· C) Short anterior facial height and deep bite malocclusion
· D) Normal facial proportions | 94 |
| 12 | ORTHODONTIC EXAMINATION :
Multiple-Choice Questions from Orthodontic Examination
Personal Data and Patient Information
1. What is the first step in building a good relationship between the doctor and the patient?
· A) Recording medical history
· B) Knowing the patient's name
· C) Performing clinical examination
· D) Taking radiographs
Answer: B) Knowing the patient's name
---
2. Why is the patient's sex important in orthodontic treatment planning?
· A) It affects appliance selection only
· B) Females usually reach growth spurts and puberty earlier than males
· C) It determines the type of anesthesia needed
· D) It has no effect on treatment planning
Answer: B) Females usually reach growth spurts and puberty earlier than males
---
3. Chronological age is important for maintaining:
· A) Only treatment cost estimates
· B) Shedding and eruption timetables
· C) Appliance selection only
· D) Medication dosage
Answer: B) Shedding and eruption timetables
---
4. The patient's or parent's occupation gives an idea about:
· A) Dental development
· B) Socioeconomic status
· C) Genetic predisposition
· D) Growth potential
Answer: B) Socioeconomic status
---
Chief Complaint
5. The chief complaint should be written in:
· A) Medical terminology
· B) The patient's own words
· C) Technical dental terms
· D) The doctor's interpretation
Answer: B) The patient's own words
---
6. Which is NOT a typical chief complaint reason for seeking orthodontic consultation?
· A) Impaired esthetics
· B) Impaired function
· C) Financial concerns
· D) "My teeth looks ugly"
Answer: C) Financial concerns
---
Medical and Dental History
7. Which medical condition may affect orthodontic force levels?
· A) Asthma
· B) Diabetes
· C) Arthritis
· D) All of the above
Answer: B) Diabetes
---
8. Arthritis can:
· A) Accelerate tooth movement
· B) Inhibit tooth movement
· C) Have no effect on tooth movement
· D) Only affect root resorption
Answer: B) Inhibit tooth movement
---
9. Asthma is associated with:
· A) Growth deficiency
· B) Root resorption
· C) Asymmetry
· D) Increased tooth movement
Answer: B) Root resorption
---
10. What is essential before starting orthodontic treatment?
· A) Nutritional counseling
· B) Good oral health and regular dental care
· C) Psychological evaluation
· D) Speech therapy
Answer: B) Good oral health and regular dental care
---
11. Bad forceps application during delivery may cause:
· A) Cleft lip
· B) TMJ injury affecting mandibular growth
· C) Dental caries
· D) Tooth malformation
Answer: B) TMJ injury affecting mandibular growth
---
12. Thalidomide use during pregnancy may cause:
· A) Dental fluorosis
· B) Congenital deformities
· C) Early tooth eruption
· D) Increased caries risk
Answer: B) Congenital deformities
---
Family History
13. Which malocclusion has a strong genetic component (Habsburg Jaw)?
· A) Class I malocclusion
· B) Class II malocclusion
· C) Class III malocclusion
· D) Open bite
Answer: C) Class III malocclusion
---
14. Congenital anomalies that may be inherited include:
· A) Dental caries
· B) Cleft lip and palate
· C) Periodontal disease
· D) Dental fluorosis
Answer: B) Cleft lip and palate
---
Social and Behavioral Evaluation
15. Highly motivated patients show:
· A) Poorer cooperation
· B) Better cooperation and results
· C) No difference in treatment outcome
· D) Increased treatment time
Answer: B) Better cooperation and results
---
16. Treatment success depends on patient's compliance with all EXCEPT:
· A) Oral hygiene
· B) Appliance wear
· C) Regular appointments
· D) Dietary supplements
Answer: D) Dietary supplements
---
Facial Examination - Frontal Analysis
17. The facial index is calculated as:
· A) Height × Width
· B) Width / Height × 100%
· C) Height / Width × 100%
· D) Width + Height / 2
Answer: B) Width / Height × 100%
---
18. A dolicocephalic head shape is:
· A) Broad and short
· B) Long and narrow
· C) Average shape
· D) Round shape
Answer: B) Long and narrow
---
19. Dolicocephalic head shape is usually accompanied by: | 116 |
| 13 | - MCQ :
د/عقلان
. جاب منهم لجامعه الجند :
⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️ | 123 |
| 14 |  +2-اضافه للاسئلة المقاليه للاختبار النهائي جامعه الجند :
• قناة اللّجنة العلمية⁶.| • قناة الفهرس.
• بوت التّواصل الخاص باللّجنة↫. . @Khalifa577_bot | 142 |
| 15 |  +1- Midterm exam : orthodontics
- جامعة الجند
• قناة اللّجنة العلمية⁶.| • قناة الفهرس.
• بوت التّواصل الخاص باللّجنة↫. . @Khalifa577_bot | 155 |
| 16 | -
• تسجيل #بصيغة_أوضح للمحاضرة السابعة والثامنة نظري| بعنوان:
- Biomechanics of tooth movement
- Anchorage.
#Orthodontics².
- د. عقلان الكامل.
• قناة اللّجنة العلمية⁶. • قناة الفهرس.
• بوت التّواصل الخاص باللّجنة↫. . @Khalifa577_bot | 190 |
| 17 |  +2- الاسئله المقاليه لجامعه الجند
-بالاضافه الى مسألة عن Bolton's analysis
• قناة اللّجنة العلمية⁶.| • قناة الفهرس.
• بوت التّواصل الخاص باللّجنة↫. . @Khalifa577_bot | 218 |
| 18 |  +4- اختبار جامعة الرواد (تقويم اسنان٢)
-د/عقلان الكامل
- طبعا ذا الاختبار من محاضرة الExamination ,إلى عند Landmarks حق السيفالو فقط .
*- اما بالنسبه للسوال المقالي كان عباره عن مسألة عن Bolton’s analysis .
• قناة اللّجنة العلمية⁶.| • قناة الفهرس.
• بوت التّواصل الخاص باللّجنة↫. . @Khalifa577_bot | 296 |
| 19 | +4 - اختبار جامعة الرواد (تقويم اسنان٢)
-د/عقلان الكامل
- طبعا ذا الاختبار من محاضرة الExamination ,إلى عند Landmarks حق السيفالو فقط .
*- اما بالنسبه للسوال المقالي كان عباره عن مسألة عن Bolton’s analysis .
• قناة اللّجنة العلمية⁶.| • قناة الفهرس.
• بوت التّواصل الخاص باللّجنة↫. . @Khalifa577_bot | 1 |
| 20 | +4 - اختبار جامعة الرواد (تقويم اسنان٢)
-د/عقلان الكامل
- طبعا ذا الاختبار من محاضرة الExamination ,إلى عند Landmarks حق السيفالو فقط .
*- اما بالنسبه للسوال المقالي كان عباره عن مسألة عن Bolton’s analysis .
• قناة اللّجنة العلمية⁶.| • قناة الفهرس.
• بوت التّواصل الخاص باللّجنة↫. . @Khalifa577_bot | 1 |
