Oral Surgery/Dr.Pin Bosara Ep2

81. Preoperation evaluation for Third molar Transplant ?

 Have no infection or pericoronitis ( 38,48)

 Good position easy to remove, size, shape, crown and root position

 Good Oral hygiene

 All above

82. Why recipient side has to be done first, before extraction donor tooth?

 Because, Waiting for blood clots in the recipient side socket

 Because, Preventing from donor tooth expose to environment, that cause damage to periodontium cell

 Prevent the damage to the socket of donor teeth

 Bleeding control at the recipient side

83. Gold standard of success Autogenous teeth transplantation (ATT) are?

84. How to clean and take away the follicle in the cervical of the tooth?

 Cut by scissor

 Peal off

 Wipe with gauze

 Clean by Sodium Hypochloride

85. An absolute contraindication for extraction of teeth is:?

 Hypertension

 Hypotension

 Thyrotoxicosis

 MI after 4 months

86. Elective dental extraction on a patient who has had a MI, 2 months prior are best:?

 Performed under oral sedative.

 Performed using epinephrine free injection.

 Performed using oral sedative and epinephrine free injection.

 Postponed until at least till 6 months have relapsed

87. Root tip elevator utilizes which principle: ?

 Wedge

 Pulley

 Wheel and axel

 None of All

One day after complete mouth extraction blue black spots are seen on neck of patient. These spots indicate:?

 Therombocytopenic purpura

 Postoperative ecchymosis

 Impaired blood circulation

 Cellulitis

89. In extraction best time to administer analgesic is:?

 Before anesthesia wears off

 Prior to extraction

 When pain is moderate to severe

 After anesthesia wears off

90. Extraction of a tooth during acute infection:?

 Can cause extensive spread of infection

 Helps drainage and relieves pain if proper AB is given and its adequate blood level is reached

 Can cause sudden death due to pulmonary embolism

 Can lead to trigeminal neuralgia in postoperative of period

91. Most important principle during extraction:?

 Least trauma to bone while extracting whole tooth out

 Least trauma to mucosa while extracting whole tooth out

 Least trauma bone and mucosa while extracting whole tooth out

 None of All

92. When a forcep is to be utilized for removal of tooth, the 1st direction for tooth to be applied is:?

 Occlusally

 Buccally

 Lingually

 Apically

The ideal treatment of alveolar osteitis after dental extraction is:?

 Topical antibiotics

 Systemic antibiotics

 Debridement of socket and sedative dressing

 Curettage to induce fresh bleeding

94. Elevator can be used to advantage when?

 Tooth to be extracted is isolated

 Adjacent tooth bone is used as fulcrum

 Adjacent tooth is not to be extracted

 Multiple adjacent teeth are to be extracted

95. Basic principles of extraction are all except:?

 No trauma to bone and mucosa

 Expansion of bony socket

 Application of lever and fulcrum

 Insertion of wedge

96. Cowhorn forcep are specially designed to extract:?

 Maxillary 1st and 2nd premolar

 Mandibular central incisor

 Mandibular molar

 Maxillary molar

97. Diagnosis of dry socket is done by:?

 History

 Clinical examination.

 Radiographs

 None of All

98. The extraoral assessment includes inspection of the:?

 face, head, and neck

 floor of the mouth, hard and soft palate

 head and buccal mucosa

 any enlargement on lymph node

99. Cells with the highest activity at the early phase of inflammation:?

 Neutrophils

 Macrophages

 Lymphocytes

 Fibroblasts

100. All are factors delay wound healing, except:?

 Infection

 Systemic diseases

 Ionizing radiation

 Healthy with proteins, vit. A, Vit. C, Zn, Fe

101. All are indications for using sterile strip band, except:?

 Superficial wound

 Straight wound

 Under little tension

 Extremities and scalp

102. Extraoral assessment includes inspection of the:?

 Face, head, and neck

 Head and buccal mucosa

 Floor of the mouth, hard and soft palate

 Any enlargement on lymph node

103. Medical asepsis presents with all, except:?

 Hand hygiene

 Maintain the sterility of the body system

 Know what is clean, dirty and sterile

 Know survival time of pathogens on surfaces

104. Spaulding classification of critical surfaces that require sterilization:?

 Objects that contact intact skin but not mucous membranes

 Objects which enter normally sterile tissue or the vascular system

 Objects that contact mucous membranes but not enter the vascular system

 Objects like exam tables and blood pressure cuffs

105. High level of disinfection presents with all, except:?

 Inactivates Vegetative bacteria

 Does not inactivate Mycobacterium Tuberculosis.

 Inactivates Mycobacteria

 Inactivates fungi and viruses

106. All are infectious diseases, except:?

 Diabetes

 Covid-19

 Hepatitis

 AIDS

107. Correct concentration of disinfectant agent for Ethyl or isopropyl alcohol is:?

90% - 100%

Below 70%

Above 90%

70% - 90%

108. Ideal concentration of Betadine(Povidone-iodine) as disinfectant agent for skin:?

15%

 5%

10%

109. All are true about the preparation of surgeon before surgical procedure, except:?

 Use of PPE

 Disinfection of hands

 Keep hands below waist all the time

 Sterilized gloves

110. Packages of instruments which are opened repeatedly must be sterilized at least:?

 Once a month

 Every two weeks

 Repeat sterilized daily

 Once a week

111. All are basic methods use for sterilization of instruments, except:?

 Alcohol wipe

 Autoclave

 Hot air oven

 Chemical means

112. Which of the following method of sterilization is ineffective:?

 Ethylene oxide gas

 Gamma radiation

 UV radiation

 Autoclaving

113. The statements below are the principles of medical asepsis, except:?

 Health care providers (HCP) should be free from disease.

 Single use items can be a source of contamination.

 Patients environment should be as clean as possible.

 The OR technique of the surgeon is very important.

114. Surgical blade number 11 is ideally used:?

 for small stab incision, incising an abscess.

 due to space restriction at labial mucosa.

 to excise tissue flap at maxillary tuberosity.

 for skin incision and posteriors aspect of teeth.

115. The most common surgical blade used for incision of mucoperiosteum flap:?

 Blade No. 10

 Blade No. 12

 Blade No. 11

 Blade No. 15

116. The most common surgical blade used for small stab incision and incising an abscess:?

 Blade No. 10

 Blade No. 12

 Blade No. 11

 Blade No. 15

117. The most common blade for incisions in the gingival sulcus and incisions posteriors aspect of the teeth, especially in maxillary tuberosity:?

 Blade No. 10

 Blade No. 12

 Blade No. 11

 Blade No. 15

118. While making long incision, stabilization/direction control of the surgical line can be enhanced by:?

 a 90-degree angle incision.

 using the belly part of the blade to make incision line

 decreasing the length of the blade in the wound

 increasing the length of the blade in the wound

119. Periosteal elevators are used for, except:?

 isolation of periosteum from bone

 lifting full thickness soft tissue flaps

 elevating tissue from bone

 extracting root fragments

120. Moon’s probe is used for:?

 lifting full thickness soft tissue flaps

 sinus lifting procedure to separate/reflect the Schneiderian membrane

 mucoperiosteal separation prior to tooth extaction

 extracting root fragments

121. All definitions are false about Hemostats, except:?

 Surgical clamps that are used to avoid bleeding by temporarily occluding the vessel

 Surgical clamps that are used to stop bleeding by removing the blood vessel

Surgical technics that are used to induce natural coagulation mechanism

 Surgical technics that are used to promote platelet aggregation at the injury vessel

122. All instruments are use for hemostatic procedure, except:?

 Kelly hemostatic forceps

 Halstead mosquito forceps

 Hemostatic clip

 Allis (Allis-Thoms) tissue forceps

123. Contraindication for using Bone Rongeur forceps:?

 sharp edges of the bone, quickly and efficiently

 repeated cuts without manually reopening

 tooth extraction and remove large amount of bone in a single bite

 Smoothing dentoaveolar edges after tooth extraction

124. All are the instruments for removing bone, except:?

 Chisel and mallet

 Bone file

 Bur and handpiece

 Babcock forceps

125. All are true about the reflection of mucoperiosteum, except:?

 Elevator is in direct contact with bone

 Reflection starts at the incision

 Reflection is completed with gentle, steady strokes toward labial or buccal vestibule

 Scissors are needed even if symphysis occurs

126. Incorrect fundamental rule concerning incision and flap is:?

 Incision along gingival sulcus

 Firm, continuous incision

 Reflecting mucosa before periosteum

 Avoidance of excessive pulling of flap

127. The purposes of oral surgery consist of all, except:?

 Elimination/prevention of the further diseases or disadvantages

 Removal of damage or redundant tissue

 Improve tissue functions and aesthetics

 Free from all oral diseases and complications

128. One step that does not belong to the steps of surgical extraction of tooth is:?

 Controlling patient’s anxiety

 Removal of bone

 Creation of flap

 Removal of the infected tooth

129. All are various surgical techniques for root removal, except:?

 Make window on buccal bone for removal of root through socket or window itself

 Creation of a groove on the surface of root after removal of a small amount of buccal bone

 Creation of a groove between the root and bone to allow access for elevator

 Removal of part of the lingual bone for luxation of the root lingually

130. Which one is not the basic principle of suturing technique:?

Insert the needle at right angles to the tissue

 Exit tract should likewise be at right angles to the tissue

 Sutures should be placed at right angles to the line of the wound

 Tie the sutures very tightly to avoid ischemia of the wound edge

131. Which statement is true:?

 Inflammation is the body's way of signaling the immune system to heal and repair damaged tissue

 Inflammation is the body's way of suppressing the immune system to heal and repair damaged tissue

 Inflammation is also known as the remodeling phase of wound healing, which the immune cells are highly active

 Inflammation accelerates wound healing

132. Lamina propria is located below the basal lamina of the:?

 Skin

 Oral mucosa

 Smooth muscle

 Parotid gland

133. All are phases of wound healing, except:?

 Proliferation phase

 Inflammation phase

 Microbial colonization phase

Maturation phase

134. Re-epithelization occurs in which phase of wound healing:?

 Hemostatic phase

 Response phase

Proliferation phase

 Remodeling phase

135. Maturation(remodeling) phase of wound healing may last from:?

 4 to 6 days

 4 days to 24 days

 10 days to 1 year

 21 days to 2 years

136. Wound healing has 3 phases. Choose the answer with correct order:?

 Bud stage, Cap stage, Bell stage

 Inflammatory, Proliferation, Maturation

 Hemostasis, Proliferation, Maturation

 Maturation, Proliferation, Inflammatory

137. All are the functions of macrophage, except:?

 Phagocytosis

 Secrete cytokines

 Secrete growth factors

 Blood clotting factors

138. Cells with the highest activity at early phase of inflammation:?

 Neutrophils

 Macrophages

 Lymphocytes

 Fibroblasts

139. Maxillary sinus infection of odontogenic origin is most commonly caused by:?

 Fungal

 Aerobic bacterial

 Viral

 Anaerobic bacterial

140. Hemostasis, analogy to house repair:?

 Subcontractors start work

 Utility workers cap-off broken utilities

 Interior finishing

 Exterior framers