DHG 161 Final Exam 97 Correct Questions and Answers.
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Course
DHG 161
Institution
DHG 161
DHG161FinalExam97CorrectQuestionsandAnswers.
When should a patient's medical history be taken? Why? - Correct Answer At the
beginning of each appointment so that you can know how to plan the treatment and if there
are any special precautions that should be made, also to be prepared in case there...
DHG 161 Final Exam 97 Correct Questions and Answers.
When should a patient's medical history be taken? Why? - Correct Answer At the
beginning of each appointment so that you can know how to plan the treatment and if there
are any special precautions that should be made, also to be prepared in case there is an
emergency
What patients require prophylactic antibiotics prior to treatment? Why? - Correct Answer 1.
Recommended for patient with cardiac conditions associated with the highest risk of
adverse outcomes from endocarditis, including:
- prosthetic cardiac valve
- previous endocarditis
- unrepaired congenital heart disease, including those with palliative shunts and conduits
- completely repaired congenital heart disease with prosthetic material or device, whether
placed by surgery or catheter intervention, during the first 6 months after the procedure
- repaired congenital heart disease with residual defects at the site or adjacent to the site of
a prosthetic device
- cardiac transplantation recipients with cardiac valvular disease
- consultation with the orthopedic surgeon is recommended for those with prosthetic joints
2. All dental procedures that involve:
- manipulation of gingival tissue
- the periapical region of teeth
- perforation of the oral mucosa
What is the usual dosage and time sequence of prophylactic premedications? - Correct
Answer 30-60 min before procedure
Standard
Amoxicillin
- adult: 2 g orally
- child: 50 mg/kg orally
Unable to take oral medications
Ampicillin
- adult: 2 g IM or IV
,- child: 50 mg/kg IM or IV
Cefazolin or celtriaxone
- adult: 1 g IM or IV
- child: 50 mg/kg IM or IV
Allergic to penicillins of ampicillin - oral
Cephalexin
- adult: 2 g orally
- child: 50 mg/kg orally
Clindomycin
- adult: 600 mg orally
- child: 20 mg/kg orally
Azithromycin or Clarithromycin
- adult: 500 mg orally
- child: 15 mg/kg orally
Allergic to penicillins and unable to take oral medications
Cefazolin or ceftriazone
- adult: 1 g IM or IV
- child: 50 mg/kg IM or IV
Clindomycin
- adult: 600 mg IM or IV
- child: 25 mg/kg IM or IV
ASA Classifications - Correct Answer *American Society of Anesthesiologists (ASA)
Physical Status Classification System*
- An overall estimate of medical risk of a patient
*ASA I*
- a patient without apparent systemic disease: a normal healthy patient
*ASA II*
- a patient with mild systemic disease
*ASA III*
,- a patient with severe systemic disease that limits activity but is not incapacitating
*ASA IV*
- a patient with an incapacitating systemic disease that is a constant threat to life
*ASA V*
- a moribund patient not expected to survive 24 hours with ot without care
Purpose of a periodontal probe - Correct Answer 1. Periodontal instrument marked in
millimeter increments that is used to evaluate the health of the periodontal tissue
2. Used to determine health or disease
- classify as gingivitis for periodontitis by determing if bone loss has occured and if the
pocket is gingival or periodontal
3. Used to measure
- sulci depth
- attachment level
- recession level
- width of attachment
- presence of bleeding
- measure oral lesions
4. Uses
- assess the periodontal status for preparation of a treatment plan
- make a sulcus and pocket survey
- determine CAL
- bleeding on probing
- measure gingival recession
- determine consistency of gingival tissue
- guide treatment
- evaluate success and completeness of treatment
- evaluation of continuing care and periodontal maintenance appointments
, Purpose of a Nabor's probe - Correct Answer Preferred to assess the extent of furcation
involvement over standard periodontal probes for accuracy
1. Mandibular molars (bifurcated)
- furcation accessible from the facial and lingual aspects
2. Mandibular first premolars (bifurcated)
- furcation accessible from the mesial and distal aspects; under the contact area
3. Maxillary primary molars
- widespread roots
4. Maxillary molars (trifurcated)
- access for probing is from the mesiolingual, buccal, and distolingual surfaces
Purpose of an explorer - Correct Answer 1. Detect, by tactile sense, the texture and
character of the tooth structure
- for calculus defects or irregularities in the surfaces and margins of restorations, and other
irregularities not apparent to direct observation
- used to confirm direct observation
- avoid using on white spots (areas that have been remineralized)
2. Define the extent of instrumentation needed and guide techniques
- for scaling and root planning
- removing an overhanging filling
3. Evaluate the completeness of treatment
- for periodontal nonsurgical treatment as shown by the smooth tooth surface
- for removal of an overhanging filling by the smooth margins of the restoration
Correct exploring technique - Correct Answer 1. Uses tactile sensitivity
2. Must have a light grasp
3. Explorer: instrument of choice for:
- initial location of deposits
- re-evaluation
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