Dental implants Dr.Poch Sothearoth 6dd
Dental Implants Quiz for Healthcare Professionals
Test your knowledge in the field of dental implants with our comprehensive quiz designed for healthcare professionals. This quiz covers critical factors for dental implant procedures, especially in patients with medical conditions like diabetes and hypertension.
Key features of the quiz include:
- Multiple choice questions
- Focus on clinical guidelines and best practices
- Assess your understanding of implantology
1. The most important factors to consider for implant surgery in diabetic patient are:
σ½ Duration of diabetes
σ½ The control of diabetes over time: HbA1c should not exceed 7%.
σ½ The prevention of infections
σ½ The implant surface and design
σ¾ All are correct
2. Implant placement is indicated for diabetes patient if:
σ½ The wound healing is altered
σ¾ HA1c not exceed 7%
σ½ The blood pressure is 180/80mmHg
σ½ Plasma glucose level is 126 to 200
σ½ All are correct
3. Dental Implant therapy for hypertensive patient is contra -indicated when:
σ½ Maximum Blood pressure is above 160/90mmHg and 150/80mmHg for diabetic patients.
σ½ Recent myocardial infarction
σ½ Unstable angina pectoris
σ½ Hypertensive patient with 180-209/110-119mmHg.
σ¾ All are correct
4. Uncontrolled blood pressure increase the risk for cardiovascular during dental care or prolonged stressful:
σ½ Myocardial infarction
σ½ Angina pectoris
σ½ Cardiovascular accident
σ½ Blood pressure: 180-209/110-119mmHg
σ¾ All are correct
5. Patient with acquired bleeding tendency
σ½ Should stop using aspirin or other antiplatelet agents 2 days before surgery
σ½ Should stop using aspirin or other antiplatelet agents 1 week before surgery
σ¾ Should prevent post operative bleeding
σ½ Should discontinue anticoagulant before dental treatment
σ½ Should not use local anesthesia contain with adrenaline.
6. The statement below is correct, Except:
σ½ Hyperglycemia impair the collagen metabolism and bind to monocyte and macrophage cell membranes, thus altering the wound healing.
σ½ Glucose level fasting value > 126mg/dL and 2-hour postprandial >200mg/Dl are considered diagnostic criteria for diabetes.
σ¾ HbA1c value normal: 7%-7.5%
σ½ The longer duration diabetes, the higher the failure rate for implant treatment.
σ½ Implant placement is indicated for diabetes patient with HgA1C: 7%.
7. The statement below is true, Except:
σ¾ Adrenaline in local anesthesia is not safe for hypertensive patients
σ½ Patients with recent myocardial infarction, unstable angina pectoris are not candidates for surgical treatment
σ½ IV bisphosphonate-treated patients have high incidence of ONJ.
σ½ Platelet Count lower than 100,000/mm3 are considered a contraindication for elective surgical procedure
σ½ INR is the most reliable test, its normal value is 1.
8. The statement below is true, Except:
σ½ The irradiation dose is the major limited factors which effects the osseintergration.
σ½ Radiation effects both osteoblast and osteoclasts, reducing the bone’s capacity to heal.
σ¾ Irradiated bone does NOT have the potential to remodeling and regeneration
σ½ Implant failure rate is low when irradiation dose below 45Gy.
σ½ ORN is one of major complications of radiation therapy
9. The statement below is true, Except:
σ½ Schneiderian membrane is very thin, yellowish and extremely friable for smokers.
σ½ Schneiderian membrane is elastic with the thickness: 0.45mm to 1.40 mm
σ¾ 15% of IAN is located in the middle of the mandibular ramus, posterior to the 2nd molar, then runs lingually to follow the lingual plate
σ½ 15% of IAN canal follows the lingual cortical plate of the mandibular ramus and body
σ½ 15% of IAN is located near the middle of the ramus and body
10. The statements below are correct, Except:
σ½ A. Certain areas of the implant surface are in direct contact with bone is called Primary bone contact.
σ½ The remodeled bone and new bone contact with implant, termed secondary bone contact
σ¾ Primary bone contact is increased when Secondary bone contact occurred
σ½ Primary bone contact is decreased when Secondary bone contact occurred.
σ½ Immediate loading protocols were first described for the completely edentulous mandible
11. The concept of prosthetic-driven implant dentistry mean:
σ½ Implant selection is performed before prosthetic planning.
σ½ Perform prosthetic immediately after implant placement
σ¾ Implant selection is performed after prosthetic planning
σ½ Immediate implantation into extraction socket.
σ½ B and D Perform prosthetic immediately after implant placement, Immediate implantation into extraction socket.
12. Implant selection is involve:
σ½ clinical examination,
σ½ radiographic examination
σ½ surgical evaluation
σ½ prosthetic planning
σ¾ All are correct
13. Implant characteristics include the following:
σ½ Length and diameter,
σ½ Shape and roughness,
σ½ Number
σ½ Position
σ¾ All are correct
14. Guidelines for implant selection are based on:
σ½ Dimensions of the edentulous area
σ½ Adjacent teeth and Anatomical structures
σ½ Biomechanics
σ½ Bone volume and Bone quality
σ¾ All are correct
15. Interdental distance for single tooth replacement using standard implant
σ½ 7mm
σ½ 8mm
σ½ 9mm
σ½ 10mm
σ¾ All are correct
16. Interdental and inter-occlussion distance for multi teeth replacement
σ½ 7mm is required between the centers of two implants.
σ½ 3mm is required between implant heads
σ½ 1.5mm is required from implant to adjacent tooth
σ¾ 05-1mm is required from implant to adjacent tooth
σ½ Vertical dimension of 6mm is required.
17. A standard implant requires
σ½ 7mm mesiodistal distance,
σ½ 10mm bone height,
σ½ 6mm bone width.
σ½ 7mm bone width at esthetic area.
σ¾ All are correct
18. The role of the temporary prosthetic restoration
σ½ Maintain esthetic
σ½ Provide stabilization
σ½ Function
σ½ Preview for future restoration
σ¾ All are correct
19. The provisional prosthetic can be elaborated
σ½ Prior to extraction
σ½ Before implant placement
σ½ After implant placement
σ½ After implant osseointergration
σ¾ All are correct
20. General specifications of temporary prosthetic restorations
σ½ Not traumatic to adjacent teeth and soft tissues
σ½ No negative interference with osseointergration
σ½ Easy to modify if necessary
σ½ Acceptable esthetics
σ¾ All are correct
21. Minimal buccal –lingual bone volume for 4mm diameter implant is:
σ½ 5mm in esthetic areas
σ½ 5mm in non-esthetic areas
σ½ 6mm in esthetic areas
σ¾ 7mm in esthetic area
σ½ All are correct
22. In term of biomechanics, implant should be placed in the direction of axial forces, because:
σ¾ The bone/implant interface is well adapted to axial compressive forces
σ½ To improves the mechanical strength of the implant body
σ½ To induce shear force
σ½ To improve esthetic
σ½ To get enough vertical dimension.
23. Wide diameter of implant should be use in strong occlusal forces because:
σ½ Increase primary stability
σ¾ Improves the mechanical strength of the implant body
σ½ Improve esthetic
σ½ Prevent implant fracture
σ½ Prevent loosening abutment
24. Prerequisite for success for immediate or early loading of implants is
σ½ Implant brand
σ½ Implant SLA surface
σ¾ Sufficient primary stability
σ½ Implant brand, Implant SLA surface
σ½ Implant brand, Implant SLA surface and Sufficient primary stability
25. To improve primary stability in type 3 and 4 bone, surgeon may adapt with
σ½ implant dimension
σ½ implant design
σ½ rough/bioactive surface
σ½ drill sequence
σ¾ All are correct
26. Removable provisional may be unstable solution because v
σ½ Compressive on mucosa
σ½ Cause marginal bone loss
σ½ May loss of osseointergration
σ½ May not comfortable
σ¾ All are correct
27. Implant placement in anterior single tooth is predictable treatment outcomes if
σ½ Patient with high smile line
σ¾ The sites without hard and soft tissue deficiency
σ½ Patient motivation
σ½ Patient with high smile line and The sites without hard and soft tissue deficiency
σ½ Patient with high smile line, The sites without hard and soft tissue deficiency, Patient motivation
28. Dental implant therapy in the anterior is a complex procedure, which base on a comprehensive preoperative evaluation. An optimal esthetic result depends on
σ½ Patient selection
σ½ Implant selection
σ½ Correct three dimensional implant positioning
σ½ Soft tissue stability
σ¾ All are correct
29. Single tooth implant in the anterior area is a surgical risk procedure if
σ½ Buccal bone deficiencies
σ½ Soft tissue deficiencies
σ½ Distance between the proximal bone and CEJ of the adjacent teeth >2mm
σ½ Buccal cortical bone plate <1mm
σ¾ All are correct
30. The provisional fixed restoration plays a major role in esthetic outcome because:
σ¾ It can be modified to create emergence profile
σ½ It is easy to fabricate
σ½ It improve osseointergration
σ½ It can be modified to create emergence profile, It is easy to fabricate
σ½ It can be modified to create emergence profile, It is easy to fabricate , It improve osseointergration
31. Selection of the abutment depends on:
σ¾ Peri-implant gingival margin and the longitudinal implant axis
σ½ Implant design
σ½ Implant surface
σ½ Mechanical strength of implant body
σ½ Bone implant contact
32. Implant-supported FPD, when possible, is the treatment of choice for partially edentulous patients in the situation:
σ½ Healthy adjacent teeth
σ½ Intact adjacent tooth restoration
σ½ Posterior reduced arch
σ½ Extended edentulous segments
σ¾ All are correct
33. In cases of restoration of each los unit with an implant, when it is indicated to splinting the implant ?
σ½ Narrow-diameter implants in the posterior area
σ½ Short implants
σ½ Bruxism
σ½ Poor bone quality
σ¾ All are correct
34. There are some disadvantages of screw retain, Except:
σ½ More screw loosening
σ½ Cost
σ¾ Retrievable
σ½ Esthetics
35. Immediate and early loading protocols should focus on
σ½ The amount of primary bone contact.
σ½ The quantity of bone at the implant site.
σ½ The rapidity of bone formation around the implant
σ½ The quality of bone at the implant site.
σ¾ All are correct
36. Cochrane reviews are recognized as a gold standard in evidence-based health care, Except
σ½ Immediate loading was defined as implants in function within 1 week after their placement. No distinction was made between occlusal and nonocclusal loading.
σ½ Early loading was defined as putting implants in function between 1 week and 2 months after placement.
σ½ Conventional loading was defined as putting implants in function after 2 months
σ¾ Immediate loading was defined as implants in function within 1 days after their placement
σ½ All are exceptional
37. What’s fibro-intergration?
σ½ Implant is fully intergrated to the bone.
σ¾ Implant is intergrated and attached via dense fibrous tissue
σ½ Implant is 70% intergarted to the bone.
σ½ Implant is fallen out.
σ½ Implant is intergrated and attached via dense fibrous tissue, Implant is 70% intergarted to the bone, Implant is fallen out.
38. To prevent implant from fibro-intergration, Must
σ¾ Curettage the osteotomy site before place implant
σ½ Drill with irrigation copiously
σ½ Drill slowly
σ½ Torque should not exceed 35Ncm.
σ½ Premedication
39. Clinician should be perform proper technique when placing implant in poor bone type IV, Except:
σ½ Drill sequence technique
σ½ Bone condensation technique
σ¾ Bone slitting technique
σ½ Drill sequence technique, Bone condensation technique
σ½ Drill sequence technique, Bone condensation technique, Bone slitting technique
40. There many reasons in implant failures, Except:
σ¾ Implant design
σ½ Overheating bone
σ½ No primary stability
σ½ Contaminated osteotomy
σ½ Excessive force
41. Malposition of implant poses many complications, except:
σ½ Damage to adjacent teeth
σ½ Damage to important anatomic structure
σ½ Impossible to load
σ¾ Fit for prosthetic restoration
σ½ Poor esthetics
42. There are some pre -surgical steps to prevent implant from malposition. Except:
σ½ Proper pre-operative planning
σ¾ Financial planning
σ½ Radiographic analysis
σ½ Surgical guide template
σ½ Soft or hard tissue augmentation procedure to obtain optimum anatomy.
43. Bleeding during and after implant surgery can be managed, Except:
σ½ Compression with plain gauze
σ½ Post operation mouth rinse with tranexamic acid (4-6 times daily x 3 days)
σ¾ Incision in the mucosa to relieve the hematoma
σ½ Ligation of vessel
σ½ Immediate referral to hospital
44. Nerve injury is due to occurred, Except:
σ½ Drill procedures or compression of implant body into canal.
σ½ Post surgical intra-alveolar oedema
σ½ Direct trauma
σ¾ Prosthetic design
σ½ Mechanical, chemical and thermal
45. Infection is the most common cause for loss of implant. To prevent this occurrence, we have to respect the surgical protocol, Except:
σ½ Rule out medical history
σ½ Surgery under aseptic conditions
σ½ Pre-operative mouth rinse with clorhexidine
σ½ Prophylactic antibiotics 1 hr before surgery
σ¾ Sedation
46. Pain after implant surgery is normal physiologic response to tissue damage. Pain intensity comes to the peak after:
σ¾ 3-5 hours
σ½ 8 hours
σ½ 12 hours
σ½ 24 hours
σ½ 72 hours
47. The statements below are true, Except
σ½ The design of the restoration is a key factor for implant selection.
σ½ In esthetic areas the provisional should have a design aiming to guide tissue healing.
σ¾ A standard implant requires 5mm mesiodistal distance, 10mm bone height, and 5mm bone width
σ½ Wide implants are preferred for molars, and when high occlusal loading is expected.
σ½ Long implants (>10mm) are indicated when poor primary stability is expected with standard implants
48. The statements below are true, Except
σ¾ Cemented restorations are advisable used for the implant shoulder located deep under the mucosa in esthetic areas
σ½ Implant-supported FPD is the dominant strategy for partially edentulous patients.
σ½ There is no evidence to support the concept of one tooth, one implant.
σ½ Splinting implant provides better force distribution, fewer technical complications.
σ½ Single units allow a better prosthetic passive fit and easier plaque control.
49. The statements below are true, Except
σ½ Autogenous graft is a graft from patient own bone.
σ½ Allograft is a graft between genetically dissimilar member of species.
σ½ Xenograft is a graft taken from a donor of another species
σ¾ Alloplast graft is the combination of Autograft and other type of graft material
σ½ Autogenous is a Gold standard for grated bone
50. There are some crestal approaches limitations, except
σ¾ Residual bone height >6mm
σ½ Oblique sinus floor
σ½ Present of septa
σ½ Inability to repair perforations
σ½ Inadequate ridge width
51. How do we prevent pressure necrosis of the cortical bone
σ½ By under preparing the osteotomy
σ½ By using the 1 drill larger than the implant to be placed
σ¾ By using the cortical drill and the drill tap to prepare the cortical bone
σ½ By placing chlorhexidine in the saline
σ½ All are incorrect
52. What is important in the preparation of type 1 bone?
σ½ A. Under-preparation of the osteotomy site
σ½ Use of osteotomes to prepare the osteotomy
σ½ Use of the cortical drills
σ¾ Use of both the cortical and the drill taps where applicable.
σ½ By using the 1 drill larger than the implant to be placed.
53. Why is it important to take an X-ray after your pilot drill.
σ½ To increase the profit margin of the procedure
σ½ To check vitality of the adjacent teeth
σ¾ To make sure that you do not hit any vital structures with your initial drill
σ½ To check the width of the osteotomy
σ½ All are correct
54. Why is the mid-crestal incision the most ideal incision type?
σ½ Its the most aesthetic incision
σ½ Allows movement of palatal tissue to the buccal side
σ½ Improves your ability to move soft tissue around
σ¾ Reduces risk of wound dehiscence by improving the blood flow to the wound edges
σ½ All are correct
55. Accessing the posterior wall of the Maxillary sinus through a vestibular incision may injure one or more of the following vital structures:
σ½ Origin of Buccinator muscle.
σ½ Posterior superior alveolar artery.
σ½ Posterior superior alveolar nerve.
Incorrect
σ¾ All are correct
56. Spontaneous recovery from nerve injury to the inferior alveolar nerve (IAN) is more frequently observed compared to the lingual nerve due to:
σ¾ The position of the IAN in the bony canal serves as a conduit for nerve regeneration
σ½ The IAN has a larger diameter
σ½ The IAN has better regenerative capability
σ½ The IAN is closer to the CNS at the point of injury
σ½ Wallerian degeneration is delayed for the lingual nerve
57. Which one of the following is not an acceptable complication of third molar surgery:
σ½ Mandible fracture
σ½ Tuberosity fracture
σ½ Fracture of adjacent teeth
σ½ TMJ pain
σ¾ All are acceptable
58. Which of the following is most likely to result in implant failure
σ½ Utilizing bovine derived augmentation material for sinus lift
σ½ A perforation of the Schnederrian membrane measuring 6 by 5 mm repaired with a PRP membrane prior to grafting
σ½ Placing implants in a patient with a 40 pack year smoking history who quit 4 weeks ago
σ¾ Performing a sinus lift with simulataneous implant placement in a patient with chronic sinusitis without addressing the sinusitis preoperatively
σ½ All are correct
59. What is the minimum recommended distance between the most inferior aspect of an implant and the superior aspect of the mandibular canal
σ½ 3mm
σ¾ 2mm
σ½ 4mm
σ½ D.1.5mm
σ½ 1mm
60. A 30 year old male is one week status post placement of 3 right mandibular posterior implants. He is complaining of parasthesia of his right mental branch that has been present since the implants were placed. A panoramic radiograph demonstrates that all 3 implants are less than 0.5mm superior to the mandibular canal. What is the most appropriate next step
σ½ Back up all 3 implants an additional 2 mm
σ½ Remove all implants
σ½ Reassure the patient and follow up again in 2 weeks
σ½ Schedule the patient for a IAN lateralization procedure
σ¾ Obtain a CT scan to identify the exact relationship of each implant with the canal before proceeding with any treatment
61. In the aesthetic zone, the only place where two implants are acceptable is:
σ½ Between the central and lateral
σ½ Between the lateral and canine
σ¾ Between the two centrals
σ½ None of all
σ½ All are acceptable
62. What are the advantages of the customized impression coping technique?
σ½ It is an impression coping that is customized to the impression tray.
σ¾ It is an impression coping that transfers the exact transgingival emergence profile of a given implant site
σ½ It requires less time chair-side.
σ½ It reflects a more accurate spatial position of the implant
σ½ It helps to create stippling in the soft tissue
63. Which is the best material to use for the fabrication of a provisional restoration
σ½ Bisacryl
σ½ PMMA
σ½ Composite
σ¾ All of them
σ½ None of them
64. The most common problem following provisional restoration removal before impression making is?
σ½ Expansion of the peri-implant mucosal tissues
σ¾ Collapse of the peri-implant mucosal tissues
σ½ Bleeding of mucosal tissue
σ½ All of the above
σ½ None of the above
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