Dental_Implant_Prof.Poch_Sophearath(51-100)

51. How do we prevent pressure necrosis of the cortical bone:

By under preparing the osteotomy

By using the 1 drill larger than the implant to be placed

By using the cortical drill and the drill tap to prepare the cortical bone.

By placing chlorhexidine in the saline

All are incorrect

52. What is important in the preparation of type 1 bone?:

Under-preparation of the osteotomy site

Use of osteotomes to prepare the osteotomy

Use of the cortical drills

Use of both the cortical and the drill taps where applicable.

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.:

To increase the profit margin of the procedure

To check vitality of the adjacent teeth

To make sure that you do not hit any vital structures with your initial drill.

To check the width of the osteotomy

All are correct

54. Why is the mid-crestal incision the most ideal incision type?:

Its the most aesthetic incision

Allows movement of palatal tissue to the buccal side

Improves your ability to move soft tissue around

Reduces risk of wound dehiscence by improving the blood flow to the wound edges

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:

56. Spontaneous recovery from nerve injury to the inferior alveolar nerve (IAN) is more frequently observed compared to the lingual nerve due to:

The position of the IAN in the bony canal serves as a conduit for nerve regeneration

]The IAN has a larger diameter

The IAN has better regenerative capability

The IAN is closer to the CNS at the point of injury

Wallerian degeneration is delayed for the lingual nerve

57. Which one of the following is not an acceptable complication of third molar surgery:

58. Which of the following is most likely to result in implant failure:

Utilizing bovine derived augmentation material for sinus lift

A perforation of the Schnederrian membrane measuring 6 by 5 mm repaired with a PRP membrane prior to grafting

Placing implants in a patient with a 40 pack year smoking history who quit 4 weeks ago

Performing a sinus lift with simulataneous implant placement in a patient with chronic sinusitis without addressing the sinusitis preoperatively

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:

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:

Back up all 3 implants an additional 2 mm

Remove all implants

Reassure the patient and follow up again in 2 weeks

Schedule the patient for a IAN lateralization procedure

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:

62. What are the advantages of the customized impression coping technique?:

It is an impression coping that is customized to the impression tray.

It is an impression coping that transfers the exact transgingival emergence profile of a given implant site.

It requires less time chair-side.

It reflects a more accurate spatial position of the implant

It helps to create stippling in the soft tissue

64. The most common problem following provisional restoration removal before impression making is?:

Expansion of the peri-implant mucosal tissues

Collapse of the peri-implant mucosal tissues

Bleeding of mucosal tissue

All of the above

None of the above

65. The arteries that are commonly found penetrating the lingual cortical bone of the mandibular symphysis and are liable to injury during implant surgery are branches of one or more of the following arteries:

66. The terminal branches of the lingual artery in the floor of the mouth are:

Lingual profunda artery

Dorsal lingual artery

Sublingual artery

Lingual profunda artery and sublingual artery

67. To stop hemorrhage from the lingual artery in the floor of the mouth one or more of the following maneuvers should be tried:

Pull the tongue forward to use the hyoglossi muscles contraction to pressure the artery against the hyoid bone

Pressure the artery as it crosses the tip of the greater horn of the hyoid bone

Pressure the external carotid artery against transverse process of C4 vertebra

All are corrects

68. Harvesting a ramus block may involve dissection below the external oblique ridge below the buccinator muscle attachment. The operator must be aware of the presence of one or more vital structures that may be injured

Facial artery

Marginal branch of facial nerve

Facial vein

All of the above

69. Lingual perforation during the insertion of mandibular second molar implant may injure one of the following arteries:

70. Which of the following is NOT considered a regenerative therapy:

72. In early implant placement, the implant is placed at:

73. Which factors are most related to recession and color changes around implants which are immediately placed into an anterior extraction socket.:

74. The socket shield technique as published by Hurzeler et al., JCP 2010, is describing which technique?:

The use of a membrane to shield the socket.

The use of connective tissue graft to shield the socket

The use of a facial/buccal fragment of the root component of the tooth to be extracted in order to shield the labial plate of the socket.

The use of particle bone graft to shield the socket

All of the above

75. Why does every implant placed and restored should follow an Implant Maintenance Therapy?

To reduce the risk of an implant complication.

To prolong the results obtained with active implant therapy.

To increase the possibilities of implant success on a long term.

All of the above.

None of the above

77. Which of the following are factors that lead to peri-implantitis?:

Tissue thickness

History of Periodontitis

Excess Cement

All of the above

78. How does peri-implant tissue differ from that around teeth.:

There is no difference between the tissue surrounding implants and teeth

The tissue surrounding implants is more vascular

There are no sharpys fibers inserting into the body of the implant

The tissue surrounding implants is more resistant to probing forces

All of the above

79. What are the benefits of Immediate Implant Placement?:

80. Why does replacement of adjacent Central and Lateral Incisors pose an Esthetic Dilemma?:

81. Soft Tissue Thickness is important because:

It preserves crestal bone around implants

It improves the gingival margin stability of the final restoration

It maintains ideal color matching of the gingiva

All of the Above

None of the Above

83. 84/ The sources of blood supply to the buccal plate of bone are:

The periodontal ligament

The buccal periostium

The endoseous marrow blood supply

All are corrects

84. Delaying placing an implant into a socket for 8 weeks:

Allows for soft tissue to grow over the socket

Allows for osteoid to fill in the base of the defect

Allows for any infections from the tooth to heal

All of the above

85. The proper placement of an implant into a maxillary central incisor is:

1 mm apically from the free gingival margin

3 mm apically from the free gingival margin

5 mm apically from the free gingival margin

7 mm apically from the free gingival margin

Immediate sockets should never be placed

87. Soft tissue recession around implants can be due the following Physiological Factors:

88. The Goals of Therapy in Sinus Augmentation are;:

Create Bone in Posterior Maxilla

Achieve Osseointegration in that Bone

Maintain Occlusal Function under load

Achieve the above with predictability and low morbidity

All of the Above

89. What is the major concerns in One Stage Sinus Augmentation with simultaneous implant placement;:

90. Surgical access of the maxillary sinus by creating a window through the posterior lateral wall of the maxilla may injure one or more of the following vital structures:

Posterior superior alveolar artery

Posterior superior alveolar nerve

Descending palatine nerve

Posterior superior alveolar artery and Posterior superior alveolar nerve

91. The vital structures that the dentist need to be aware of and protect during surgical access to the lateral wall of the maxillary sinus? 1. Caninus muscle 2. Infraorbital nerve 3. Infraorbital artery 4. Facial artery:

93. The statements below are correct. Except:

In a patient with a thin gingival morphotype, a Delayed Implant Placement is recommended.

The utilization of Wide Diameter Implants in the anterior region will help to retain the Buccal Bone.

CBCT should be used for every Immediate Implant case in order to understand the patient's bone morphology and tooth position.

Good Primary Stability is a critically important factor to the success of Immediate Implant Placement.

Problems regarding Long Term Aesthetic Stability are more prevalent with Immediate Implant Placement as opposed to Delayed Implant Placement

94. In cases of severe bleeding and lingual hematoma during the placement of the implantin the lower incisor region, which artery do you think is injured:

95. The path of the inferior dental canal inside the mandible is not straight and deviates from the lingual to the buccal in the area of:

96. Implant placed in front of the mental foramen should be 6 mm from the foramen to prevent the encroachment of:

Mental foramen

Submental artery

anterior loop of the inferior dental nerve

Incisive canal

97. During the procedure of autogenous bone grafting harvested from the area of symphysis, dysesthesia can occur because:

Damaging to the lower incisior teeth

Muscle detachment during flap raise

Incisive nerve damage

Hematoma formation postoperatively

Oedema formation postoperatively

98. Severe bleeding and lingual hematoma that occur during implant placement in the lower premolar area can be caused by severing the artery of:

99. “Witch Chin” is a postoperative complication that occurs when a mucoperiosteal flap is raised in the symphyseal area because of:

Dental_Implant_Prof.Poch_Sophearath(51-100)

More Surveys