In cementing Maryland or Roche bridges, the effect is generally to, a. Lighten the colour of the teeth by the opacity of the cement b. Darken the colour of the abutment by the presence of metal on the lingual c. Have no detrimental colour effect. d. Darken the abutment teeth by incisal metal coverage

In cementing Maryland or Roche bridges, the effect is generally to,
 a. Lighten the colour of the teeth by the opacity of the cement  
 b. Darken the colour of the abutment by the presence of metal on the lingual   c. Have no detrimental colour effect.  
 d. Darken the abutment teeth by incisal metal coverage
by

1 Answer

Answer :

c. Have no detrimental colour effect.
by

Related questions

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What is the relationship of the retentive portion of the partial dentures retainers to the survey line of abutment: A. Gingival /Below/ B. Occlusal /Above/ C. No relation

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You can increase the retention of a Maryland bridge by: A. Incorporating mesh work in wax pattern B. Perforation techniques in the metal cast

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The OPTIMUM crown to root ratio for abutment tooth is:** A. 2:3 B. 1:1

Description : The OPTIMUM crown to root ratio for abutment tooth is:** A. 2:3 B. 1:1

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To obtain a desired projection of occlusal loads, the floor of the occlusal rest should, A. Be convex B. Slope from the marginal ridge towards contact?? of abutment C. Slope from contact?? of abutment towards the marginal ridge D. Be concave E. Does not slope from the marginal ridge towards contact?? of abutment F. None of the above

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When primary molars are prepared for stainless steel crowns, should the depth for reduction of the proximal surface be similar to the depth of the buccal and lingual surfaces? A. Yes; reduction of all wall is similar for best retention B. No, proximal reduction is greater to allow the crown to pass the contact area C. No, the buccal surfaces has the greatest reduction to remove the cervical bulge D. Yes, all undercuts are uniformly removed so that the steel crown can be seated E. No, because of lateral constriction, the lingual surface needs greatest reduction

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Suggest the type of cement used for the following : (i) For modular construction where form work needs to be removed early for re-use. . (ii) Mass concreting such as construction of dam. (iii) Decorative works in external surfaces of building. (iv) Cementing the oil well.

Description : Suggest the type of cement used for the following : (i) For modular construction where form work needs to be removed early for re-use. . (ii) Mass concreting such as construction of dam. (iii) Decorative works in external surfaces of building. (iv) Cementing the oil well.

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Which of the following is NOT a characteristic of glass ionomer cements? a. strong in compression but weaker in tension True b. the matrix is formed during the initial set of the cement c. sets via an ion exchange reaction that continues for at least 24 hours true d. suitable for use as a core build up material in anterior teeth

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The obturating material of choice for primary teeth following complete pulpectomy is, A. Zn phosphate cement and formcresol combination paste B. Quick setting hydroxide cement C. Zinc oxide and eugenol cement D. Gutta-percha E. Polycarboxylate cement

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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

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

In respect to Class V A. it occurs on the buccal groove (fissure) B. it occurs on the lingual groove (fissure) C. it is a result of bad oral hygiene

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Last Answer : C. it is a result of bad oral hygiene

In the preparation of Premolar class I cavity what is the best way of getting retention, A. Slightly done undercut of the mesial and distal walls B. Slightly done undercut of the buccal and lingual walls C. The convergence of the cavity walls

Description : In the preparation of Premolar class I cavity what is the best way of getting retention, A. Slightly done undercut of the mesial and distal walls B. Slightly done undercut of the buccal and lingual walls C. The convergence of the cavity walls

Last Answer : B. Slightly done undercut of the buccal and lingual wall

Which muscle acts on the disto-lingual contour of lower denture: A. Mentalis B. Masseter C. Mylohyoid D. Buccinator

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What is the neutral zone: A. The zone where displacing forces are neutral B. The zone where buccal and lingual forces are balanced

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Last Answer : B. The zone where buccal and lingual forces are balanced

Which of the following cusps is more prone to crack: A. Buccal of lower molars B. Lingual of lower molars C. Lingual of upper molars D. Buccal of upper molars

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You notice a radiolucent area close to the apex of the central incisor, on a second x ray the radiolucent area moves; it is likely to be: A. Cyst B. Abscess C. Granuloma D. Incisive foramen in sup lingual for amen inf

Description : You notice a radiolucent area close to the apex of the central incisor, on a second x ray the radiolucent area moves; it is likely to be: A. Cyst B. Abscess C. Granuloma D. Incisive foramen in sup lingual for amen inf

Last Answer : D. Incisive foramen in sup lingual for amen inf

Ankyloglossia is caused by: A. Edentulous ridge B. Short lingual frenulum C. Short labial frenulum

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Last Answer : B. Short lingual frenulum

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

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Retention for occlusal amalgam cavities in premolars is BEST provided by A. Slightly undercutting of walls with inversed cone bur B. Mesial and distal undercuts C. Buccal and lingual undercuts

Description : Retention for occlusal amalgam cavities in premolars is BEST provided by A. Slightly undercutting of walls with inversed cone bur B. Mesial and distal undercuts C. Buccal and lingual undercuts

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Where would you expect to find the Mylohyoid in relation to periphery of complete denture: A. Mandibular buccal in the midline B. Mandibular lingual in the midline C. Mandibular disto buccal area

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

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The first molars are extracted in both arches: A. The bone resorption will be the same for both arches B. Resorption is more on the palatal side of maxillary molars C. Resorption is more on lingual side of mandibular molars D. The ridge height resorbs more in maxilla than mandible

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Why do you construct a lower removable partial denture with lingual bar: A. It is used when the space between raised floor, mouth and gingival margin is minimal B. Plaque accumulation is less than with lingual plate C. Should be made thicker when short

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The bur should be tilted lingually when preparing the occlusal surface of class II cavity on a mandibular first premolar in order to: I. Remove unsupported enamel II. Prevent encroachment on the buccal pulp horn III. Prevent encroachment on the lingual pulp horn IV. Maintain dentinal support of the lingual cusp A. I and II B. I and III C. II and IV D. III and IV E. IV only

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