Endodontics II Test

Pulpal anesthesia fails more commonly in which region?

Calcium hydroxide sealers:

Which one of the following conditions can make an electric pulp tester get a false-positive result?

A 10-year-old child presents with mild discomfort in teeth #21 and #22. The teeth were traumatized the day before in a fall from a motorcycle. Clinical examination reveals both teeth are tender to percussion and the crowns are intact. Cold test using Endoice indicated that the teeth#21and#22 are not responsive. Treatment plan for such case is:

A mechanical pulp exposure of small diameter ( Less than 1 mmin diameter ) in mandibular first molar is treat by:

What a strength of Sodium Hypochlorite is used for canal irrigation?:

Contre indication the tooth extraction is :

How many types do pulp stone have?

How can you identify dentine on the floor of the pulp chamber in a molar?

Which apical landmark should be used as the apical reference point of choice?

Trigeminal neuvralgia differs from odontogenic pain by being:

The infection of root canal system is related to:

Which thicknesses of rubber dam are preferably used in most situations?

The most reliable test to diagnosis the condition of the pulp is:

Ayoung 12 years old boy presents with reddish overgrowth of tissue, protending from carious exposure in lower molar. What may be the possible diagnosis?

When endodontically treating the maxillary first molar, which of the following is correct:

According to “apical box preparation” technique, the apical enlargement of upper second premolar with one canal should be:

Which one is not a usual characteristic of periapical lesions of pulpal origin as seen radiographically?

បរុសម្នាក់មកគ្លីនិករបស់ខ្ញុំហើយត្អួញត្អែរ ថាគាត់ឈឺធ្មេញថ្គាមក្រោម ឈឺចាប់ស្រួច( sharp pain) ជាមួយ ទឹកត្រ ជាក់តែរយះពេលខ្លីយ៉ាងយូបំផុតមួយនាទី។អ្នកជំងឺនេះមានរោគវិនិច្ឆ័យ:

Upper first premolars usually have:

CHX is normally used at concentrations between:

When should spreader or plugger be selected?

A major determinant for the desired final apical diameter preparation is:

Rooting-filling materials must be

To find pulp horns, which instrument is most useful?

If the patient has no gingival recession, how far should the gutta percha be trimmed sealing the coronal?:

A Pregnant patient in her first trimester attends for dental examination, which of the following is correct:

Where is an ‘extra’ canal often found in upper molars?

The pulpectomy devitalizing are:

Which of the following statements is not true about retreatment cases?

The ideal timing of final restoration upon completion of endodontic treatmemt is:

Which one is not another name of tertiary dentin?

Biologically active sealer whoch promote peri-apical healing contain:

What is the restoration of choice for any cavity types in a posterior root-treated tooth with increased functional and lateral stresses?

What is the restoration of choice for a large class II MO/OD cavity in a posterior root-treated tooth with limited functional and lateral stresses?

What is the main risk associated with internal bleaching?

Which method is not practical to evaluate the outcome of endodontic treatment?

The Management of broken instruments by surgical approach includes all of the following methods except one:

Which instrument should not be rotated?

A disadvantage of Cavit as compared to IRM as a temporary restoration is that Cavit:

If lateral condensation is to be used as the method of obturation, the apical preparation should be prepared to which size?

According to “apical box preparation” technique, the apical enlargement of the disto-buccal root of an upper molar should be:

Which statement is true about the indications of root canal therapy (treatment of non-vital teeth)?

The properties of chlorhexidine are as follows except one:

Which of the following statement is true?

Which should be the common procedure for emergency treatment of irreversible pulpitis with pulp exposure?

According to some studies, the most important characteristic of irrigation is the:

Which material should be used for cleansing dentin surface?

The diameter of dentinal tubules at the inner surface of the dentin is:?

Which technique can we use to remove any residual sealer after GP removal in a retreatment case?

The patient has no spontaneous pain and responds normally to pulp testing and percussion. However, radiographically, there are some pulpal calcifications but no evidence of resorption, caries, or mechanical pulp exposure. The pulpal diagnosis of this case is:

At present, which material should be used for root canal disinfection?

The Hedstrom file:

Which is not the typical indication of endodontic surgery?

To find the pulp hornes, which instruments is most useful?:

What is the restoration of choice for a posterior tooth with a large decay and less than half of the tooth structure remained?

Which cell type is the source of radicular cyst formation?

Which is a more important factor as a cause of tooth fracture after endodontic treatment without a protective restoration?

Gates glidden bur used by

Why shouldn’t a tooth with necrotic pulp and some swelling be left open between appointments?