A primary molar has relatively un-resorbed roots encompassing the permanent tooth bud. What extraction technique would you use to avoid the inadvertent removal of a developing bicuspid

A primary molar has relatively un-resorbed roots encompassing the permanent tooth bud. What  extraction technique would you use to avoid the inadvertent removal of a developing bicuspid 

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1 Answer

Answer :

Section the tooth vertically and remove each root separately 

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A healthy 6 years-old child presents with carious maxillary second primary molar with a necrotic pulp. Which treatment would be preferred? A. Extraction B. Indirect pulp treatment C. Pulpotomy (it's done to preserve the vitality of the roots and allow normal exfoliation) D. Pulpectomy to preserve the tooth as a space manteiner. E. Antibiotic coverage

Description : A healthy 6 years-old child presents with carious maxillary second primary molar with a necrotic pulp. Which treatment would be preferred? A. Extraction B. Indirect pulp treatment C. ... normal exfoliation) D. Pulpectomy to preserve the tooth as a space manteiner. E. Antibiotic coverage

Last Answer : D. Pulpectomy to preserve the tooth as a space manteiner.

A persistent oroantral fistula for a 12 weeks period following the extraction of a maxillary first permanent molar is best treated by, a. Further review and reassurance since it will most probably heal spontaneously. b.Antibiotic therapy and nasal decongestants. c. Curettage and dressing of the defect. d. Excision of the fistula and surgical closure. e. Maxillary antral wash out and nasal antrostomy.

Description : A persistent oroantral fistula for a 12 weeks period following the extraction of a maxillary first permanent molar is best treated by, a. Further review and reassurance since it will most ... Excision of the fistula and surgical closure. e. Maxillary antral wash out and nasal antrostomy.

Last Answer : d. Excision of the fistula and surgical closure.

A persistent oroantral fistula for a 12 weeks period following the extraction of a maxillary first permanent molar is best treated by,** A. Further review and reassurance since it will most probably heal spontaneously B. Antibiotic therapy and nasal decongestants C. Curettage and dressing of the defect D. Excision of the fistula and surgical closure E. Maxillary antral wash out and nasal antrostomy.

Description : A persistent oroantral fistula for a 12 weeks period following the extraction of a maxillary first permanent molar is best treated by,** A. Further review and reassurance since it will most ... . Excision of the fistula and surgical closure E. Maxillary antral wash out and nasal antrostomy.

Last Answer : D. Excision of the fistula and surgical closure

The effects of tooth removal in healthy individuals can show as, A. Loss of contacts B. Slight tilting C. Pocket formation (in 2nd mandibular. Molar after 3rd molar horizontal impacted removal) D. TMJ problem E. All of the above

Description : The effects of tooth removal in healthy individuals can show as, A. Loss of contacts B. Slight tilting C. Pocket formation (in 2nd mandibular. Molar after 3rd molar horizontal impacted removal) D. TMJ problem E. All of the above

Last Answer : E. All of the above

10 years-old boy looses a permanent mandibular molar; what is affected: A. Teeth adjacent to extracted teeth B. Teeth on both arches on same side C. The remaining teeth in the mouth D. Teeth directly opposite to the extracted tooth E. Teeth on the same quadrant

Description : 10 years-old boy looses a permanent mandibular molar; what is affected: A. Teeth adjacent to extracted teeth B. Teeth on both arches on same side C. The remaining teeth in the mouth D. Teeth directly opposite to the extracted tooth E. Teeth on the same quadrant

Last Answer : C. The remaining teeth in the mouth

An upper deciduous molar has a caries exposure and on X ray the corresponding 2nd permanent premolar is absent. What treatment would you do to the deciduous tooth: A. Pulpotomy B. Endodontic treatment C. Pulp capping

Description : An upper deciduous molar has a caries exposure and on X ray the corresponding 2nd permanent premolar is absent. What treatment would you do to the deciduous tooth: A. Pulpotomy B. Endodontic treatment C. Pulp capping

Last Answer : B. Endodontic treatment

the pulp horn most likely to be exposed in the preparation of large cavity in permanent molar tooth is,CHECK ITS VERY CONTROVERSIAL QUESTION A. Mesio–Lingual in upper first molars B. Mesio–Buccal in upper first molars C. Disto–buccal in lower first molars D. Mesio–Lingual in lower first molars E. Mesio- Buccal in lower first molar

Description : the pulp horn most likely to be exposed in the preparation of large cavity in permanent molar tooth is,CHECK ITS VERY CONTROVERSIAL QUESTION A. Mesio-Lingual in upper first molars B. Mesio-Buccal in ... first molars D. Mesio-Lingual in lower first molars E. Mesio- Buccal in lower first molar

Last Answer : B. Mesio–Buccal in upper first molars

cyst at the apex of an upper central incisor measuring 1 cm in diameter is visualized in radiograph and confirmed by aspiration biopsy; which method of treatment would you consider?** A. Extraction of the central incisor and retrieving the cyst through the socket B. Exteriorizing the cyst through the buccal bone and mucosa C. Making a mucoperiosteal flap and removing the cyst through an opening made in the alveolar bone, followed by tooth removal. D. Making a mucoperiosteal flap and removing the cyst through an opening made in the alveolar bone, followed by endodontic treatment. E. Routine orthograde endodontic treatment followed by observation.

Description : cyst at the apex of an upper central incisor measuring 1 cm in diameter is visualized in radiograph and confirmed by aspiration biopsy; which method of treatment would you consider?** ... bone, followed by endodontic treatment. E. Routine orthograde endodontic treatment followed by observation.

Last Answer : D. Making a mucoperiosteal flap and removing the cyst through an opening made in the alveolar bone, followed by endodontic treatment.

What technique is used in the extraction of permanent 1st molars: A. Rotation movement B. Lingual movement C. Buccal movement

Description : What technique is used in the extraction of permanent 1st molars: A. Rotation movement B. Lingual movement C. Buccal movement

Last Answer : C. Buccal movement

Ankylotic primary second molar in the mandible is not always a good space maintainer because of: a. Mesial inclination of the 1st permanent molar. b. It does not keep up with the rest of occlusion. c.Dull on percussion.

Description : Ankylotic primary second molar in the mandible is not always a good space maintainer because of: a. Mesial inclination of the 1st permanent molar. b. It does not keep up with the rest of occlusion. c.Dull on percussion.

Last Answer : b. It does not keep up with the rest of occlusion.

The extraction of maxillary deciduous molar in 5 years old child; you should use: A. Mostly towards the apex pressure and some movement B. Rotation C. Distal pressure and movement D. Labial-lingual movement

Description : The extraction of maxillary deciduous molar in 5 years old child; you should use: A. Mostly towards the apex pressure and some movement B. Rotation C. Distal pressure and movement D. Labial-lingual movement

Last Answer : D. Labial-lingual movement

What is your management with a chronic oral antral fistula for some time after the extraction of maxillary first molar: A. Surgical closure B. Anti-biotic and nasal decongestant C. Wash the antrum D. All of the above

Description : What is your management with a chronic oral antral fistula for some time after the extraction of maxillary first molar: A. Surgical closure B. Anti-biotic and nasal decongestant C. Wash the antrum D. All of the above

Last Answer : D. All of the above

During extraction of a maxillary third molar the tuberosity is fractured; however, it remains in place attached to the mucoperiosteum. Which of the following procedures should be employed:** A. Remove the tuberosity and suture B. Leave the tuberosity and stabilize if required C. Remove the tuberosity and fill the defect with Gelfoam then suture. D. If fractured tuberosity is greater than 2 cm, leave in place and suture

Description : During extraction of a maxillary third molar the tuberosity is fractured; however, it remains in place attached to the mucoperiosteum. Which of the following procedures should be employed:** A. Remove the ... then suture. D. If fractured tuberosity is greater than 2 cm, leave in place and suture

Last Answer : B. Leave the tuberosity and stabilize if required

The MOST common consequence arising from premature extraction of deciduous molar is: A. Loss of arch length B. Loss of speech sound C. Loss of facial contour

Description : The MOST common consequence arising from premature extraction of deciduous molar is: A. Loss of arch length B. Loss of speech sound C. Loss of facial contour

Last Answer : A. Loss of arch length

In preparing a very small proximal amalgam cavity on a molar tooth what would consider, A. Extend the cavity to the gingival margin B. Extend the cavity beyond the contacts areas C. Achieve at least 2mm in dentine D. Extend cavity just beyond dento enamel junction

Description : In preparing a very small proximal amalgam cavity on a molar tooth what would consider, A. Extend the cavity to the gingival margin B. Extend the cavity beyond the contacts areas C. Achieve at least 2mm in dentine D. Extend cavity just beyond dento enamel junction

Last Answer : D. Extend cavity just beyond dento enamel junction

Where does the bone resorption show in a pulp necrosis of a deciduous molar: A. At the root apex B. At the bifurcation C. On the buccal side of the tooth D. On the lingual side of the tooth

Description : Where does the bone resorption show in a pulp necrosis of a deciduous molar:  A. At the root apex  B. At the bifurcation  C. On the buccal side of the tooth  D. On the lingual side of the tooth 

Last Answer : B. At the bifurcation 

A large amalgam core is to be condensed around several pins in a vital molar tooth; what type of amalgam mix would you prefer: A. A large mix to ensure homogeneity B. A large with extra mercury to give easier manipulative qualities C. Several small mixes, sequentially triturated D. Several small mixes with varying mercury/alloy ratios E. A basic mix to which additional mercury is added as needed

Description : A large amalgam core is to be condensed around several pins in a vital molar tooth; what type of amalgam mix would you prefer: A. A large mix to ensure homogeneity B. A large with ... small mixes with varying mercury/alloy ratios E. A basic mix to which additional mercury is added as needed

Last Answer : C. Several small mixes, sequentially triturated

The first thing to do after surgical removal of an impacted 3rd molar in the mandible is:

Description : The first thing to do after surgical removal of an impacted 3rd molar in the mandible is:

Last Answer : Cold application from the outside 

A mandibular permanent first molar has to be extracted, this will affect: A. Adjacent teeth B. Teeth in the same quadrant C. Both arches the same side D. Full mouth

Description : A mandibular permanent first molar has to be extracted, this will affect: A. Adjacent teeth B. Teeth in the same quadrant C. Both arches the same side D. Full mouth

Last Answer : D. Full mouth

Patient with class II division II; the lateral incisor is missing. You want to make a fixed bridge which of the following is suitable: A. Rocket bridge using central incisor as abutment (rochette bridge resin retained bridge parecido al Maryland B. Cantilever using central incisor C. Fixed bridge using the central incisor and bicuspid

Description : Patient with class II division II; the lateral incisor is missing. You want to make a fixed bridge which of the following is suitable: A. Rocket bridge using central incisor as abutment ( ... al Maryland B. Cantilever using central incisor C. Fixed bridge using the central incisor and bicuspid

Last Answer : B. Cantilever using central incisor

All of the following should be considered for systemic antibiotic except: A. Extraction of tooth with acute dento alveolar abscess B. Necrotic ulcerative gingivitis (ANUG) unless it is acute. C. Extraction of 38 or 48 with acute pericoronitis D. Full mouth extraction for a patient with perio disease

Description : All of the following should be considered for systemic antibiotic except: A. Extraction of tooth with acute dento alveolar abscess B. Necrotic ulcerative gingivitis (ANUG) unless it is acute. C. ... of 38 or 48 with acute pericoronitis D. Full mouth extraction for a patient with perio disease

Last Answer : B. Necrotic ulcerative gingivitis (ANUG) unless it is acute.

A child with a fracture of a tooth at the apical third of the root, what would be your first decision: A. Wait and recall after one month and observe for any necrotic or radiolucency B. Root canal treatment C. Extraction D. Apiectomy

Description : A child with a fracture of a tooth at the apical third of the root, what would be your first decision: A. Wait and recall after one month and observe for any necrotic or radiolucency B. Root canal treatment C. Extraction D. Apiectomy

Last Answer : A. Wait and recall after one month and observe for any necrotic or radiolucency

Following trauma to tooth, the next day there was no response to pulp tests you should?* A. Review again later B. Start endodontic treatment C. Extraction of tooth

Description : Following trauma to tooth, the next day there was no response to pulp tests you should?* A. Review again later B. Start endodontic treatment C. Extraction of tooth

Last Answer : A. Review again later

The MOST likely factor contributing to tooth eruption is:** A. The growing root B. Bone growth C. Vascular pressure D. The developing periodontal ligament

Description : The MOST likely factor contributing to tooth eruption is:** A. The growing root B. Bone growth C. Vascular pressure D. The developing periodontal ligament

Last Answer : A. The growing root

Why do you extract lower 8’s by directing the extraction lingually:** A. Because of the roots direction B. Thinner bone C. Lingual deviation

Description : Why do you extract lower 8’s by directing the extraction lingually:** A. Because of the roots direction B. Thinner bone C. Lingual deviation

Last Answer : B. Thinner bone

As far as surgical removal of wisdom teeth is concerned which of the following is true? a- Prophylactic prescription of antibiotic reduces dramatically the chances of infection. b- Raising a lingual flap will increases the incidence of neurapraxia but will reduce the incidence of neurotmesis with respect to the lingual nerve. c- Prophylactic prescription of dexamethasone will dramatically reduce post operative swelling. d- Inferior dental nerve injury is unlikely since the nerve passes medial to the wisdom tooth root. e- The use of vasoconstrictors in local anaesthetics will increase the chances of infection.

Description : As far as surgical removal of wisdom teeth is concerned which of the following is true? a- Prophylactic prescription of antibiotic reduces dramatically the chances of infection. b- Raising a lingual ... e- The use of vasoconstrictors in local anaesthetics will increase the chances of infection.

Last Answer : b- Raising a lingual flap will increases the incidence of neurapraxia but will reduce the incidence of neurotmesis with respect to the lingual nerve.

As far as surgical removal of wisdom teeth is concerned, which of the following is true?**CHECK A. Prophylactic prescription of antibiotic reduces dramatically the chances of infection B. Raising a lingual flap will increases the incidence of neurapraxia but will reduce the incidence of neurotmesis with respect to the lingual nerve ADC M07 C. Prophylactic prescription of dexamethasone will dramatically reduces post operative swelling D. Inferior dental nerve injury is unlikely since the nerve passes medial to the wisdom tooth root E. The use of vasoconstrictors in local anaesthetics will increase the chances of infection.

Description : As far as surgical removal of wisdom teeth is concerned, which of the following is true?**CHECK A. Prophylactic prescription of antibiotic reduces dramatically the chances of infection B. Raising ... root E. The use of vasoconstrictors in local anaesthetics will increase the chances of infection.

Last Answer : C. Prophylactic prescription of dexamethasone will dramatically reduces post operative swelling

The surface of enamel rod prisms in permanent teeth is: A. Perpendicular to the outer surface of the tooth B. Parallel to the outer surface of the tooth C. Parallel to enamel contour D. Parallel to enamel-dentine contour

Description : The surface of enamel rod prisms in permanent teeth is: A. Perpendicular to the outer surface of the tooth B. Parallel to the outer surface of the tooth C. Parallel to enamel contour D. Parallel to enamel-dentine contour

Last Answer : A. Perpendicular to the outer surface of the tooth

While removing the second primary molar of a 9 years-old child, the apical ¼ of the root fractures and stays in the socket, A. You will just leave it and observe it B. You take surgically by a lingual flap C. You try to take out by using a root apex elevator D. You use a fine-end forceps to take it out

Description : While removing the second primary molar of a 9 years-old child, the apical ¼ of the root fractures and stays in the socket, A. You will just leave it and observe it B. You take surgically by a lingual ... try to take out by using a root apex elevator D. You use a fine-end forceps to take it out

Last Answer : A. You will just leave it and observe it

Gemination is: a. Division of single tooth, twining. b. Fusion of two or more crowns of teeth c. Fusion of two or more roots.

Description : Gemination is: a. Division of single tooth, twining. b. Fusion of two or more crowns of teeth c. Fusion of two or more roots.

Last Answer : a. Division of single tooth, twining.

What contraindicates pulp capping: A. Accidental exposure on vital young molars B. When inflammation of radicular pulp is already present C. When roots are greatly curved and tortuous D. When anterior tooth is vital and immature with wide open apices E. None of the above

Description : What contraindicates pulp capping: A. Accidental exposure on vital young molars B. When inflammation of radicular pulp is already present C. When roots are greatly curved and tortuous D. When anterior tooth is vital and immature with wide open apices E. None of the above

Last Answer : B. When inflammation of radicular pulp is already present

Gemination is:** A. Division of single tooth, twining B. Fusion of two or more crowns of teeth C. Fusion of two or more roots

Description : Gemination is:** A. Division of single tooth, twining B. Fusion of two or more crowns of teeth C. Fusion of two or more roots

Last Answer : A. Division of single tooth, twining

The nurse advises the patient undergoing photodynamic therapy (PDT) for macular degeneration to avoid exposure to direct sunlight or bright lights for a) the first five days after the procedure. Photodynamic therapy includes the use of verteporfin, a light-activated dye. The dye within the blood vessels near the surface of the skin could become activated with exposure to strong light, such as sunlight or bright lights. Ordinary indoor light is not a problem. The patient should be counseled to wear protective clothing, such as long-sleeved shirts, sunglasses, and wide-brimmed hats, if the patient has to go outdoors during daylight hours in the first five days post-treatment. Inadvertent sunlight exposure can lead to severe blistering of the skin and sunburn.

Description : The nurse advises the patient undergoing photodynamic therapy (PDT) for macular degeneration to avoid exposure to direct sunlight or bright lights for a) the first five days after the procedure. ... should avoid exposure to direct sunlight or bright lights for the first five days post-treatment.

Last Answer : a) the first five days after the procedure. Photodynamic therapy includes the use of verteporfin, a light-activated dye. The dye within the blood vessels near the surface of the skin could ... days post-treatment. Inadvertent sunlight exposure can lead to severe blistering of the skin and sunburn.

A 8 years-old patient has 3 first premolars erupted and a swelling on the ridge of the un-erupted premolar. X ray shows a fully developed crown and ¾ roots development with no other pathology. What is your management: A. Remove the dentigerous cyst B. Soft tissues recision to allow eruption C. Soft tissues recision accompanied with orthodontic appliance to help with eruption

Description : A 8 years-old patient has 3 first premolars erupted and a swelling on the ridge of the un-erupted premolar. X ray shows a fully developed crown and ¾ roots development with no ... recision to allow eruption C. Soft tissues recision accompanied with orthodontic appliance to help with eruption

Last Answer : C. Soft tissues recision accompanied with orthodontic appliance to help with eruption

After making an impression to reline an RPD the dentist notes that the indirect retainers are not resting on the tooth. To avoid this, what process should have undertaken initially: A. Ask patient to bite firmly while impression is setting B. Hold the metal base frame against the abutment tooth while setting C. Fabricate new denture D. Add impression material and close the gap

Description : After making an impression to reline an RPD the dentist notes that the indirect retainers are not resting on the tooth. To avoid this, what process should have undertaken initially: A. Ask ... abutment tooth while setting C. Fabricate new denture D. Add impression material and close the gap

Last Answer : B. Hold the metal base frame against the abutment tooth while setting

When preparing a class III cavity for composite restoration; in which situation should acid itching be used: A. Always should be performed to minimise marginal leakage B. Should not be performed because it might damage the adjacent tooth C. When extra retention is required D. Only in situations where cavity is shallow to avoid pulp irritation

Description : When preparing a class III cavity for composite restoration; in which situation should acid itching be used: A. Always should be performed to minimise marginal leakage B. Should not be ... extra retention is required D. Only in situations where cavity is shallow to avoid pulp irritation

Last Answer : A. Always should be performed to minimise marginal leakage

The best space maintainer is: A. Lingual holding arch B. Pulpectomised primary tooth C. Band and loop maintainer

Description : The best space maintainer is: A. Lingual holding arch B. Pulpectomised primary tooth C. Band and loop maintainer

Last Answer : B. Pulpectomised primary tooth

Which of the following is a typical consequence of dental crowding, assuming no primary tooth has been lost prematurely? A. Overlapping of lower incisors B. Palatal displacement of upper canines C. Impaction of 15 and 25 between first premolars and first molars D. Mesial tipping of 16 and 26 E. Rotation of 16 and 26

Description : Which of the following is a typical consequence of dental crowding, assuming no primary tooth has been lost prematurely? A. Overlapping of lower incisors B. Palatal displacement of upper canines C. Impaction ... and first molars D. Mesial tipping of 16 and 26 E. Rotation of 16 and 26

Last Answer : A. Overlapping of lower incisors

In cleidocranial dysplasia, which of the following would you expect to find: A. Early lose of primary teeth B. Multiple un-erupted teeth and pseudo anodontia

Description : In cleidocranial dysplasia, which of the following would you expect to find: A. Early lose of primary teeth B. Multiple un-erupted teeth and pseudo anodontia

Last Answer : B. Multiple un-erupted teeth and pseudo anodontia

The MOST common curvature of palatal root of maxillary first molar is: A. Distal B. Mesial C. Buccal D. Palatal

Description : The MOST common curvature of palatal root of maxillary first molar is: A. Distal B. Mesial C. Buccal D. Palatal

Last Answer : C. Buccal

In a posterior vital molar with a core the best material to restore is: A. Amalgam B. Composite resin C. GIC

Description : In a posterior vital molar with a core the best material to restore is: A. Amalgam B. Composite resin C. GIC

Last Answer : A. Amalgam

What is CORRECT in regard to the periodontal surface area in mandibular teeth: A. First molar> first premolar> second premolar (max) B. Canine> first premolar> second premolar. (max) C. Canine> lateral incisor> central incisor

Description : What is CORRECT in regard to the periodontal surface area in mandibular teeth: A. First molar> first premolar> second premolar (max) B. Canine> first premolar> second premolar. (max) C. Canine> lateral incisor> central incisor

Last Answer : C. Canine> lateral incisor> central incisor

The loss of the first deciduous molar in 10 years-old children requires: A. Band and loop to maintain space B. Evaluate the case radiographically and then decide whether space maintainer is needed or not C. No treatment

Description : The loss of the first deciduous molar in 10 years-old children requires: A. Band and loop to maintain space B. Evaluate the case radiographically and then decide whether space maintainer is needed or not C. No treatment

Last Answer : B. Evaluate the case radiographically and then decide whether space maintainer is needed or not

In regard to third molar surgery: A. Maximum swelling is seen after 24-48 hours B. Prophylactic antibiotic will reduce swelling C. Antibiotic cover is compulsory

Description : In regard to third molar surgery: A. Maximum swelling is seen after 24-48 hours B. Prophylactic antibiotic will reduce swelling C. Antibiotic cover is compulsory

Last Answer : A. Maximum swelling is seen after 24-48 hours

What is NOT CORRECT in regard to the lingual nerve: A. It is posterior and medial to the inferior alveolar nerve B. It passes close to the mandibular 3rd molar C. It may be anaesthetised by the mandibular nerve block D. It provides supply to the lingual gingiva E. Supplies anterior 2/3 of the tongue

Description : What is NOT CORRECT in regard to the lingual nerve: A. It is posterior and medial to the inferior alveolar nerve B. It passes close to the mandibular 3rd molar C. It may be anaesthetised by the ... nerve block D. It provides supply to the lingual gingiva E. Supplies anterior 2/3 of the tongue

Last Answer : A. It is posterior and medial to the inferior alveolar nerve

Where is the MOST probable place of bone resorption after a deciduous molar has a pulpal gangrene: A. Interradicular septum B. The periapical area

Description : Where is the MOST probable place of bone resorption after a deciduous molar has a pulpal gangrene: A. Interradicular septum B. The periapical area

Last Answer : A. Interradicular septum

After the age of 6 years, the greatest increase in the size of the mandible occurs: A. At the symphysis B. Between canines C. Distal to the first molar

Description : After the age of 6 years, the greatest increase in the size of the mandible occurs: A. At the symphysis B. Between canines C. Distal to the first molar

Last Answer : C. Distal to the first molar

In which direction you would extract a deciduous upper molar: A. Rotation B. Buccally C. Lingually

Description : In which direction you would extract a deciduous upper molar: A. Rotation B. Buccally C. Lingually

Last Answer : B. Buccally

Loss of sensation in the lower lip may be produced by,CHECK ADC M07 A. Bell’s palsy B. Traumatic bone cyst C. Trigeminal neuralgia D. Fracture in the mandible first molar region E. Ludwig’s angina Loss of sensation in the lower lip may be produced by,CHECK ADC M07 A. Bell’s palsy B. Traumatic bone cyst C. Trigeminal neuralgia D. Fracture in the mandible first molar region E. Ludwig’s angina

Description : Loss of sensation in the lower lip may be produced by,CHECK ADC M07 A. Bell’s palsy B. Traumatic bone cyst C. Trigeminal neuralgia D. Fracture in the mandible first molar region E. Ludwig’s angina

Last Answer : D. Fracture in the mandible first molar region E. Ludwig’s angina

Which direction does the palatal root of the upper first molar usually curve towards? A. Facial / buccal/ B. Lingual C. Mesial D. Distal

Description : Which direction does the palatal root of the upper first molar usually curve towards? A. Facial / buccal/ B. Lingual C. Mesial D. Distal

Last Answer : A. Facial / buccal/