풀어봅시다!!!

 2011년 3월 11일 QUIZ  

문제1: According to the study of University of Florida(Dr. Dolwick), regarding the follow-up study of disc repositioning surgery for TMJ internal derangement,

   1)    Prognosis after 8 years is ( good, bad ).
2)    Prognosis after 20 years is ( good, bad ).

문제2: Recently, University of Washington investigated 10 years post-retention stability of anterior open bite treatment.
(All, Most, Few, No) subjects showed positive overbite at the post-retention recall.

 2011년 3월 25일 QUIZ  

문제1: According to the guest lecture (Dr. Kokich), open gingival embrasure or black triangle betweenmaxillary central incisors is usually due to
(              ). (multiple chose)

문제2: Describe the following abbreviations.

1) ROI:

2) FOV:

문제3: According to the study of University of Helsinki regarding the follow-up of maxillary distraction osteogenesis on the children with cleft lip and palate, the achieved dentoskeletal treatment outcome was partly diminished.

This relapse resulted from restricted (maxillary, mandibular) growth and continuing (maxillary, mandibular) growth.

 2011년 4월 1일 QUIZ  

문제1: According to the study of Glass fibre reinforced versus multistranded bonded orthodontic retainers,

1) GFR retainers showed high failure rates in comparison with multistranded retainers.  (o, x)

2) Altering the amount of glass fibres had no impact on the success rate or periodontal implications. (o, x)

문제2: The gold standard for successful orthodontic treatment included a triad of interrelated goals: (           ,               ,             )

문제3: According to the study of “Dental effects of interceptive orthodontic treatment in a Medicaid population”,

After interceptive orthodontic treatment, eligibility for publicly funded orthodontics is significantly reduced.  (o, x)

 2011년 4월 8일 QUIZ  

문제1: According to the study of “Root and bone response to the proximity of a mini-implant under orthodontic loading”,

In the near-root and PDL contact groups, the incidence of root resorption increased when the distance between the mini-implant and the root was less than 0.6 mm. (o, x)

문제2: Dr. Levin said in JADA, 2010 “Developing staff potential”

Creating a professional development plan for each staff member is an effective way to improve team member’s job skills. He recommended that training day could include presentations by

- Accountant on financial protocols for (    )
- Manufacturer’s representative on product use for (    )
- Computer software manufacturer on increasing effectiveness through technology for (    )

문제3: According to the study of “Clinical outcomes of 0.018-inch and 0.022-inch bracket slot using the ABO objective grading system”,

There were statistically, but not clinically, significant differences in treatment times and objective grading scores in favor of 0.018-inch brackets as compared with the 0.022-inch brackets. (o, x)

2011년 4월 15일 QUIZ  

문제1: Root resorption associated with orthodontic tooth movement: A systematic review (AJODO 2010;137:462-76)의 결과에 따라 치근흡수에 영향을 주는 인자와 그렇지 않은 인자를 구분하시오.

문제2: Familial Aggregation of Maxillary Lateral Incisor Agenesis (J Dent Res 2010;89:621-5)에 따르면

The risk for first-degree relative of an individual with MLIA to have the same kind of agenesis was about            times higher than that of the general populations.

2011년 4월 22일 QUIZ  

문제1: Early headgear effect on the eruption pattern of maxillary second molars. (Angle orthod 2010;80:642-648)에 따르면
 

1)    제2대구치의 맹출은 phase I HG 치료시 약 50% 가량 지연된다 (o, x)

2)   제2대구치의 맹출의 지연은 영구적이다. (o, x)

문제2: Change of Lip Cant After Bimaxillary Orthognathic Surgery. (J Oral Maxillofac Surg 2010;68:1106-1111)에 따르면

The lip cant change relative to the occlusal cant change was (      )%.

2011년 4월 29일 QUIZ  

문제1: According to “Modifications of midpalatal sutural density induced by rapid maxillary expansion: A low-dose computed tomography evaluation” ( Am J Orthod Dentofacial Orthop 2010;137:486-8)

The sutural density after 6 months of retention post-RME was            to/than the pretreatment ones.

문제2: According to “Canine retraction rate with self-ligating bracket vs conventional edgewise brackets” (Angle Orthod 2010;80:626-33)

The retraction rate is             with the conventional bracket, probably because of the narrower bracket width of the self-ligating bracket

2011년 6월 3일 QUIZ

문제 1: According to “Temporary anchorage device insertion variables: effects on retention” (Angle Orthod 2010;80:634-41)
 

1) The greater the insertion depth, (greater. lesser) the stability.

2) Implants placed perpendicular to the cortical plate had higher failure rates than those placed at 45° angles ( O . X )

3) The closer the head of the implant to the cortical plate, the (higher, lower) the failure rate.

문제2: According to “Accuracy of cephalometric land mark on monitor –displayed radiographs with and without image emboss enhancement. “

The use of an embossing technique in cephalometry improves the level of accuracy of cephalometric point detection ( O. X )

2011년 6월 10일 QUIZ

문제 1: According to “Use of panoramic X-ray to determine position of impacted maxillary canines” (J oral Maxillofac Surg 2010;68:996-1000)

·The use of panoramic radiographs for determining impacted maxillary
  canine position has a high sensitivity and specificity with
  angulation greater than (        ) ° associated with buccal
  impactions.

문제2: According to “Resin – modified glass inomer cements for bonding orthodontic retainers” (Eur J ourhod 2010;32:254-8)

·The RMGIC resulted in a significant decrease in shear bond strength
  and wine pull out strength..(O, X)

문제3: According to “Patients attitudes toward retention and perceptions of treatment success” ( Angle onthod 2010;80:656-61)

·most individuals perceived that orthodontists were primarily
  responsible for maintaining the alignment of teeth after treatment.
  (O, X) 

2011년 6월 17일 QUIZ  

문제 1: According to the guest lecture, what are the important things in orthodontic practice regarding relationship with patients? (multiple chose answer)

문제2: According to the study of "Oral health-related quality of life (OHRQOL) in orthognathic surgery patients", Orthognathic surgery has a (positive, negative) effect on a patient's quality of life.

문제3: According to the retrospective study of University of Rio de Janeiro regarding the intrusive luxation in deciduous teeth, which of the below is not the sequelae on permanent teeth caused by trauma in their primary teeth?
 

① enamel hypoplasia
② enamel discoloration
③ eruption disturbance
④ caries

2011년 6월 24일 QUIZ  

문제 1: According to the study "Midline diastema caused by tongue piercing", what are the side effects caused by tongue piercing? (Choose multiple answers)

문제2: According to the study of University of Hebrew regarding the analysis of failure in the treatment of impacted maxillary canine, what are the three major reasons for failure?.

2011년 7월 1일 QUIZ  

문제 1: Fill the blank with the right choice from the box below.
        (Two blanks present the same answer.)

Transport DO (Distraction Osteogenesis) is a classic Ilizarov technique for reconstruction of large segmental osseous defects. A         is created from the distal margin of bone at one side of a defect and slowly transported toward the bone at the opposite side of the defect. Osteogenesis takes place at the trailing edge of the         .

문제2: Circle the right choice answer presented in the 2^nd & 3^rd column between brackets in the table below.
 

2011년 9월 2일 QUIZ  

문제 1: The UOP Early Treatment Clinic specializes in treating patients in the early mixed dentition. For the treatment of 6 to 8 years old patients, which mechanic do they like to use?  (   )
 

1)    Maxillary 2 x 4 appliance to align maxillary incisors

2)    Headgear to correct Class II

3)    Lingual arch to relieve mandibular crowding

4)    none of the above

5)    all of the above

문제2: According to a recent study regarding implant replacement after removal of failed dental implant, where is the most frequent site of implant failure?

문제3: Describe the full name of following abbreviations.

   1)     CRIL
     2)     VAS
     3)     RCT

2011년 9월 9일 QUIZ

문제 1: The university of Michigan evaluated changes in soft tissue nasal widths induced by RME. As a result, the actual amount of change was (   ) than 1.5mm, an increase that is (   ) clinically.
 

문제2: The University of Hong Kong compared pain experiences among adult patients treated with labial and lingual orthodontic appliances

The patients treated with lingual appliances reported (   ) levels of global pain

                                                                              (   ) levels of tongue pain

                                                                              (   ) levels of lip pain

                                                                              (   ) levels of cheek pain

Compaired to the patients with labial appliances.

2011년 9월 16일 QUIZ

문제 1: In order to manage Class III growing patients, Dr. Hugo De Clerk introduced BAMP (Bone-anchored maxillary protraction) technique. Compared to RPE + face mask therapy, the advantage(s) of BAMP is(are) : (    )

   1)    no mandibular rotation
2)    less dental side effect
3)    less need of patient co-operation
4)    one of the above
5)    all of the above

문제2: According to a column by Dr. Levin, the best solution is compromised when disagreement occurs. A famous writer, named Dale Carnegie, suggested a series of steps for negotiating disagreements.

(   ) the disagreement
(   ) your first instinctive impression
(   ) your temper
(   ) first

2011년 9월 23일 QUIZ  

문제 1: Fill in the blank.

According to Dr. Dugoni’s guest lecture,
unlike studies done at University of North Carolina, University of Florida, and other randomized clinical trials studies, the University of Pacific study suggests that
                                               

문제2: What are the advantages of digitally scanned occlusal records over traditional study casts? (Double choice answer)

① Minimize disinfection and cross-contamination
② Avoid the storage problems of plaster casts
③ More expensive than traditional impression materials
④ Cause minimal patient discomfort

2011년 9월 30일 QUIZ  

문제 1: Which of the following options are the most important factors associated with long-term patient satisfaction?
 

a) Age at the start of treatment
b) Gender
c) Stability of the treatment
d) Treatment duration

문제2: CBCT can be used in clinical orthodontics and research in many ways. Which of the followings are practical application of CBCT?

a) Evaluation of impacted tooth
b) Volumetric assessment of airway
c) 3D cephalometric analysis
d) None of above
e) All of above

2011년 10월 7일 QUIZ

문제 1: Which one of these factors increase systematic inflammation markers? (  )

① Orthodontic treatment
② Regular exercise
③ Rheumatoid arthritis
④ Eating fish regularly

문제2: Fill in the blank. (         ) results in a more frequent appearance of posterior cross-bite

① Prolonged pacifier use
② Breast-feeding
③ Eating with spoon

2011년 10월 14일 QUIZ  

문제 1: This is the description about “MFTT”

        Fill the blank.

        <MFTT instructions>
 

A.    Use 1g of dentifrice on a wet toothbrush

B.    Spread the toothpaste evenly in both arches

C.    Brush all surfaces for 2 minutes

D.    Use a smallamount of water, filter the                                      between the teeth by active cheek movement (30s)

E.    Avoid further rinsing,
avoid drinking or eating for               hours

문제2: List the 2 kinds of methods that used to diagnose OSAS.

   1)                                
2)                              

2011년 10월 28일 QUIZ

문제 1: Aspartate aminotransferase (AST) is an intracellular enzymethat is released to the extracellular environment upon cell death. Electrical pulp testing (EPT) is information about pulp vitality based on the patient’s subjective sensation. AST activity and EPT parameters are affected by orthodontic load.

1) AST activity (          ) in first week and then (          ) during following 1week in teeth with orthodontic load.

2) EPT parameters (         ) in teeth with orthodontic load.

문제 2: Accordingto the article about effects of RME

(AJODO 2010;138:311-7)

1) A significant amount of expansion of the nasal cavity was observed after maxillary expansion. ( ○, × )

2) At the end of the active phase of RME, the roots of the maxillary central incisors were more divergent than the crowns. ( ○, × )

2011년 11월 11일 QUIZ

문제 1: According to the study “Long-term success and survival rates of autogenously transplanted canines”, two parameters were found to bestatistically significant regarding success rates. What are those two parameters? (Double choice answer)

①   Age at time of surgery

②   Position of the canine

③   Preoperative ankylosis of the donor tooth

④   Stage of root development

⑤   Apical anomaly

문제2: According to the study “Sex differences in destructive periodontal disease: a systematic review”

(Men / Women) are at greater risk for destructive periodontal disease than are (men / women).

2011년 11월 18일 QUIZ  

문제 1: According to the guest lecture (Dr. Mark Yanosky), which of the below should be considered if dental substitution is indicated in treatment of patient missing maxillary anterior teeth.

①  patient’s occlusion

②  size·shape·color of Pt’s teeth

③  patient’s smile character

④  all of above

⑤  none of above

문제 2: According to the study regarding the effect of Diamond-like carbone (DLC) coating on arch wire,

1) DLC coating process reduces the friction force for wires in brackets (○, ×)
2) DLC coating layer has higher hardness value than as-received wires (○, ×)

2011년 11월 25일 QUIZ   

문제 1: According to “Influence of enamel sandblasting prior to etching on shear bond strength of indirectly bonded lingual appliances”,

■ Sandblasting prior to enamel etching

(increases / decreases) the shear bond strength of lingual bonded brackets.

(more / less) adhesive remained on the tooth after brackets were removed.

문제 2: According to “Perceptions of laypersons and orthodontists regarding the buccal corridor in long-and shout-face individuals”,

■  The (orthodontists / laypersons) perceived the difference in    the buccalcorridor better than (orthodontists / laypersons).

■  Men (women) were more critical and gave lower scores than
  (men / women) in both groups.

2011년 12월 2일 QUIZ  

문제 1: According to “Pharyngeal airway in children with prognathism and normal occlusion”,

■ Prognathic girls had a significantly (wider/narrower) lower   pharyngeal airway compared with those with normal occlusion.

■ Horizontal coordinate of (    ) was significantly positively   correlated with lower pharyngeal airway in both groups.

문제 2: According to “Crowding and spacing in the dental arches: Long-term development in treated and untreated subjects”

■ Maxillary spacing was universally reduced in untreated and   treated subjects. (O, X)  

■ Compared with untreated subjects, the long-term development of   mandibular anterior crowding was unfavorable in subjects   treated without extractions. (O, X)

2011년 12월 9일 QUIZ  

문제 1: According to the study of University of Göttingen about “Torquing an upper central incisor with aligners”, which factors determine the force delivered by aligners?

① shape of tooth crown
② type and amount of tooth movement
③ contact between tooth and inner surface of the aligner
④ all of above
⑤ none of above

문제 2: What is the main effect of municipal (community) water fluoridation?

① to prevent dental caries
② to prevent periodontal disease
③ to prevent osteoporosis
④ to clean the water

2011년 12월 16일 QUIZ  

문제 1: What are the considering factors when deciding the early surgical intervention in growing Class III patients?

① Pt’s psychological need or desire
② Severity of skeletal discrepancy
③ Pt’s growth maturation
④ all of above

문제 2: According to the study about the effect of rotation moment on the stability of miniscrew, (counterclockwise, clockwise) rotational moment can be a risk factor impairing miniscrew stability

2011년 12월 23일 QUIZ  

문제 1: Complete the protocol of surgically-assisted rapid palatal expansion.

한 주에 한 명의 대학원생이 그 주에 공부하게 되는 논문 내용 중 한가지를 선택하여 tape를 dictation해온 내용을 함께 모여 공부하는 시간입니다. 영어 청취력 향상과 함께 presentation 기법을 배울 수 있는 좋은 기회라고 생각합니다. Dictation된 글은 임회정 교수님께서 확인 수정합니다.