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284

Dental Histology Preparation (Pr.Ast. Koe Dimora)

 

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1)

Multiple cystic lesions inside both the parotid glands in a patient should alert the clinician for a possible diagnosis of:

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2)

Chemical composition of radicular cement :

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3)

A mass of cementum found free in the PDL is called a :

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4)

Dark zones of Hunter – Schreger bands are called :

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5)

Enamel prism in transversal section has a shape of :

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6)

Principal mass of a tooth represents :

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7)

Warthin’s tumor is known to develop from:

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8)

Which is more resistant to resorption, cementum or bone? :

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9)

Cellular mixed fibrillar cementum can be found in the :

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10)

Trauma or high fevers can cause _______________________________.:

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11)

99.5% water, 0.5% solutes:

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12)

Enamel covers :

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13)

Basic elements of the enamel are :

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14)

In approximately 60% of cases, the cementum the enamel. (overlaps, meets, does not meet- exposed dentin):

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15)

The thickness of periodontium is equal with :

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16)

Characteristic cells for health pulp are :

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17)

Structural element characteristic to the dentinal canaliculi is:

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18)

Odontoblast’s shape can be :

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19)

The first salivary gland to develop is:

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20)

the secretion of saliva:

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21)

Dentin Mineral Level (inorganic):

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22)

Specify terms of germs mineralization for second temporary molar :

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23)

The enamel is covered by cement in the region of neck in :

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24)

Specify terms of eruption for first temporary molars :

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25)

Changes in enamel rod orientation as seen by polarized light on tooth sections are called _:

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26)

Odontoblast’s shape can be :

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27)

Structural element characteristic to the dentinal canaliculi is :

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28)

Plastic function of periodontium is due to :

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29)

The base of inorganic matter is :

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30)

Enamel can sometimes be formed in other locations other than the crown. The most common

area for this to occur is at the ________________________.:

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31)

Oral epithelium forms in mesenchime a growth in shape of :

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32)

three pairs of salivary glands

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33)

During life happens :

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34)

Excess cementum formation is called :

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35)

During sleep the parotid gland is known to secrete about:

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36)

The wall of each tubule is composed of a layer of hypermineralized dentin matrix termed _______ _______:

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37)

Buco – labial plate contributes to formation of :

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38)

Specify terms of dental germs mineralization for canines :

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39)

Salivary fistula is commonly originates from:

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40)

fluid secreted by the salivary glands:

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41)

definitive line that indicates the birth of an infant in the enamel of a tooth is called the

________________________.:

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42)

What are the basic unit of the enamel structure :

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43)

Specify functions of basic substance of dental pulp :

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44)

Sialolithiasis is common in:

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45)

In Bulimia parotid glands are:

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46)

Dentin is a mineralized connective tissue that is perforated by microscopic parallel channels

called __________:

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47)

Coarse extrinsic collagen fibers are formed by ____________________.:

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48)

Because enamel is formed in a ‘layering’ pattern, ground tooth sections show brownish lines

called ___, also known as incremental lines.:

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49)

Submandibular salivary gland is separated into superficial and deep portions by:

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50)

salivary glands release saliva into these, emptying into the oral cavity:

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51)

three solutes in saliva:

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52)

Secondary dentin is deposited preferential on :

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53)

Select the components of enamel organ :

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54)

Perineural invasion is common in:

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55)

Sialadenosis commonly involves:

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56)

Food stimulates secretion of:

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57)

Dentinal tubules are more ____ and of ______ diameter at the pulpal aspect of the dentin:

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58)

In submandibular salivary gland surgery, the branch of facial nerve at risk is:

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59)

In superficial parotidectomy:

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60)

From where do all these structures originate? ______________________:

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61)

Enamel prism in transversal section has a shape of :

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62)

Cellular cement is situated in :

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63)

digestive enzyme in saliva that begins the digestion of starches in the mouth:

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64)

The peripheric processes of odontoblasts are situated in :

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65)

Calcium content of saliva is low in:

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66)

Chemical stimulation maximises the secretion of:

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67)

Normally the mandible has a shape of :

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68)

The function of dental pulp :

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69)

Normally the maxilla has a shape of :

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70)

Enamel prism is composed from :

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71)

Cellular intrinsic fibrillar cementum is found when the cementum needs :

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72)

The fibers from radicular cement have one direction and are joined :

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73)

Dentin is composed from :

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74)

Name four causes of external staining ____.:

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75)

Dental sac is composed from the following layers :

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76)

Acellular afibrillar cementum is only found in :

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77)

Daily average volume of saliva produced in a human being is:

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78)

What is the content of a dentinal tubules :

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79)

Enamel prism is composed from :

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80)

Dentin Embryologic development:

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81)

How many layers are distinguished in the normal dentine :

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82)

The presence of vital _______ qualifies dentins as a living tissue.:

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83)

An antibiotic which can cause severe staining of enamel if given during amelogenesis is __________________________.:

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84)

The most numerous cells of the pulp are :

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85)

In what region of the crown , the enamel has maximum thickness :

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86)

Ends of odontoblastic processes that extend a short distance into the enamel are called

_______________________.:

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87)

Specify functions of basic substance of dental pulp :

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88)

Health teeth react to currents of about :

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89)

In the enamel can be met :

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90)

The first cementum laid down is called __:

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91)

Dentin contains organic matter about of :

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92)

Odontoblasts are cells with structure :

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93)

A hereditary condition that results in severely impaired enamel is called ___.:

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94)

If a cementoblast becomes surrounded by cementum matrix, it is then called a :

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95)

The meaning of fibrillar cement :

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96)

Which one is not Secondary dentin is deposited preferential on :

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97)

Warthin’s tumor is commonly seen in:

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98)

Fine intrinsic collagen fibers are formed by _______________________.:

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99)

The two main types of cementum are called and:

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100)

Which one is not the organic substance of dentine is composed from :

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101)

The most common developmental problem with teeth is a general condition with ‘too little’

enamel, also often caused by metabolic disease, and is called _________________.:

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102)

Scalloped-shaped ‘bumps’ on the incisal edge of incisors on newly erupted teeth are called ____________________.:

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103)

In parotid surgeries the most reliable way of identifying the facial nerve is:

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104)

Excess fluoride incorporated into enamel during amelogenesis can cause mottling and pitting

and is called __________________.:

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105)

In patients with diabetes mellitus the parotid gland is:

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106)

Periodontium contacts directly with :

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107)

enzyme in saliva that kills bacteria:

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108)

Dentin formative cells:

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109)

Acini of parotid glands are formed by:

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110)

The peripheric processes of odontoblasts are situated in :

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111)

The composition of the innorganic matter of enamel is :

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112)

Oncocytoma almost exclusively occurs in:

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113)

Periodontium is formed from :

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114)

three pairs of accessory digestive organs that lie outside the mouth:

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115)

Where is determined in the dentin the granular layer Thomes :

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116)

On the surface of the crown, these lines cause very slight depressions on newly erupted teeth

called _____________________.:

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117)

The radicular 1/3 of the tooth has primarily which type of cementum?:

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118)

The function of dental pulp :

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119)

Basic elements of the enamel are :

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120)

The organic substance of dentine is composed from :

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121)

Dentin Incremental lines:

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122)

There is a space between the enamel and the cement in :

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123)

Dentin Organic/H2O level:

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124)

Number of tubules on 1mm2 oscillate from :

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125)

Terms of root formation for temporary incisors are :

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126)

Cementocytes reside in and their processes extend into:

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127)

Indicate the pulpal fibers of collagen :

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128)

protects the mouth’s mucous membrane from infection and the teeth from decay:

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129)

Brush-like areas of hypocalicified enamel rods at the DEJ are called __________.:

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130)

Bone is (vascular or avascular) ____________________, cementum is ______:

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131)

Parotid gland swellings are very painful because:

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132)

What is the basic unit of the enamel structure :

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133)

What is the content of a dentinal tubules :

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134)

Incremental growth lines in cementum are called _________:

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135)

Indicate the pulpal fibers of collagen :

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136)

found in the floor of the mouth; medial and partly inferior to the mandible:

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137)

Teeth development begin in the :

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138)

Submandibular salivary gland swelling is differentiated from submandibular lymphadenitis clinically by:

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139)

The fibers from radicular cement have one direction and are joined :

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140)

The molar coreport of Ca / P in the apatites of enamel crystalles is :

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141)

Enamel formed at a small spot in a location other than normal is called an ________.:

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142)

Each dentinal tubule contains a cytoplasmic extension of the odontoblast cell body termed an ______ _______.:

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143)

In radicular cement is distinguished :

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144)

Dentinal tubules are distributed ununiformly in different layers of dentine :

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145)

Parotid calculi are diagnosed by:

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146)

Dental pulp is situated in :

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147)

During sleep salivary secretion is maintained by:

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148)

From mesenchimal papilla is developed :

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149)

What are the fibers specific to the parapulpal dentin :

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150)

From enamel organ is developed :

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151)

secretion of salivary glands:

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152)

From dental sac (follicle) of dental germs is developed :

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153)

Benign tumors of superfical lobe of parotid gland takes a very long time to project outwards because:

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154)

The functions of radicular cement are :

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155)

Dentin contains inorganic matter about of :

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156)

Enamel covers :

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157)

Further classification adds fibers. Acellular extrinsic fibrillar cementum is found in what

location? Its main function is ___:

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158)

beneath the tongue and superior to the submandibular glands:

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159)

Approximately what % of enamel is calcium hydroxyapatite ___:

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160)

Hunter – Schreger bands appear as a result of :

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161)

Terms of root formation for first temporary molars are :

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162)

Carbohydrateprotein substance corresponding to the blood group antigens are not secreted by:

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163)

The base of inorganic matter is :

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164)

Adenoid cystic carcinoma is known to commonly involve:

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165)

Dentinal tubules are distributed ununiformly in different layers of dentine :

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166)

Dental pulp is a lax conjunctive tissue formed from :

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167)

Characteristic cells for health pulp are :

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168)

Terms of buds formation for temporary canines :

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169)

Blood supply is derived from sources :

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170)

Parotid duct is known as:

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171)

There is a right contact between the enamel and the cement in :

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172)

Periodontium is situated in :

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173)

How many phases exist in the development of tooth tissues are :

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174)

located inferior and anterior to the ears between the skin and the masseter muscle:

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175)

Name the 4 components of the periodontium. ______________:

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176)

component of saliva that helps dissolve foods so they can be tasted and digestive reactions can begin:

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177)

The ends of collagen fibers embedded in both cementum and bone are called:

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178)

Which mineralized tissue has the highest fluoride content? :

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179)

The main function of fibroblasts of the pulp is to form :

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180)

Acellular cement is situated in :

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181)

In the root of the tooth, which tissue is formed first, dentin orcementum?_:

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182)

Dental pulp is devided in :

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183)

Epithelial thickness or epithelial plate is devided between

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184)

Name two common conditions which affect teeth and enamel due to aging ____.:

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185)

Lightning segments of Hunter – Schreger bands are called :

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186)

Retzius strips ( striae ) appear in transverse section of tooth as a :

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187)

The parotid gland is divided into superficial and deep portions by:

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188)

Parotid gland is a :

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189)

Odontoblasts are cells with structure :

 

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190)

The functions of periodontium are :

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191)

Periodontium innervation is derived from :

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192)

Dental pulp is a lax conjunctive tissue formed from :

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193)

Corresponding to the content of fibrillar structure , in the dentin is distinguished the

following zones :

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194)

Superfical parotidectomy is contraindicated in patients with sialectasis because:

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195)

About what % organic and % inorganic is cementum?___________, :

 

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196)

In radicular cement is distinguished :

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197)

Hypocalcified “cracks” in enamel, usually entending from the DEJ to the surface, are called

_____________________.:

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198)

Sublingual salivary gland is situated:

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199)

Irregular intertwining bundles of enamel rods, located primarily at the cusps, is known as

_____________________ enamel.:

Your score is

The average score is 89%

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