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核心技术专利：CN118964589B侵权必究

核心技术专利：CN118964589B侵权必究

J Prosthet Dent. 1977 Mar;37(3):280-7. doi: 10.1016/0022-3913(77)90070-1.

Total clinical crown contour is related to gingival health. 2. The subgingival convexity of a tooth or a restoration should extend facially or lingually no more than one half of the thickness of the gingiva. This protects the gingival crevice and promotes a knifelike free gingival margin, important in plaque control. 3. The facial and lingual surface contours should have gradual curvatures in all directions to facilitate the rubbing and cleaning function of the lips, cheeks, and tongue. 4. The interproximal contour of adjacent teeth, of the tooth contact areas, and of the teeth in relation to the gingival papilla must be such that moving tissues can rub or the patient can perform oral hygiene easily. The requirements may vary depending on the degree of gingival recession and cosmetic needs. 5. Undercontour is better than overcontour where clinical judgment is vague.

全临床冠外形与牙龈健康相关。2. 牙齿或修复体的龈下凸度向颊侧或舌侧延伸不应超过牙龈厚度的一半。这可保护龈沟并促进呈刀刃状的游离龈边缘形成，对菌斑控制很重要。3. 颊面和舌面外形在各个方向上均应具有逐渐的曲率，以利于嘴唇、脸颊和舌头的摩擦及清洁功能。4. 相邻牙齿的邻面外形、牙齿接触区以及牙齿与龈乳头相关的外形必须使得移动的组织能够摩擦，或者患者能够轻松进行口腔卫生清洁。具体要求可能因牙龈退缩程度和美观需求而异。5. 在临床判断不明确时，外形不足比外形过度更好。

J Prosthet Dent. 1977 Mar;37(3):280-7. doi: 10.1016/0022-3913(77)90070-1.

J Clin Periodontol. 1993 Mar;20(3):219-24. doi: 10.1111/j.1600-051x.1993.tb00347.x.

J Prosthet Dent. 1982 Jun;47(6):620-4. doi: 10.1016/0022-3913(82)90135-4.

J Prosthet Dent. 1987 Apr;57(4):421-4. doi: 10.1016/0022-3913(87)90006-0.

J Periodontol. 2001 Jul;72(7):841-8. doi: 10.1902/jop.2001.72.7.841.

Nihon Hotetsu Shika Gakkai Zasshi. 1990 Feb;34(1):215-28. doi: 10.2186/jjps.34.215.

J Prosthet Dent. 2016 Apr;115(4):441-6. doi: 10.1016/j.prosdent.2015.10.008. Epub 2015 Dec 23.

J Esthet Restor Dent. 2009;21(2):113-20. doi: 10.1111/j.1708-8240.2009.00242.x.

J Prosthet Dent. 1991 May;65(5):650-7. doi: 10.1016/0022-3913(91)90200-g.

Eur J Prosthodont Restor Dent. 2014 Dec;22(4):174-82.

Biomed Opt Express. 2023 Apr 26;14(5):2311-2323. doi: 10.1364/BOE.484241. eCollection 2023 May 1.

J Prosthet Dent. 1977 Mar;37(3):280-7. doi: 10.1016/0022-3913(77)90070-1.

Total clinical crown contour is related to gingival health. 2. The subgingival convexity of a tooth or a restoration should extend facially or lingually no more than one half of the thickness of the gingiva. This protects the gingival crevice and promotes a knifelike free gingival margin, important in plaque control. 3. The facial and lingual surface contours should have gradual curvatures in all directions to facilitate the rubbing and cleaning function of the lips, cheeks, and tongue. 4. The interproximal contour of adjacent teeth, of the tooth contact areas, and of the teeth in relation to the gingival papilla must be such that moving tissues can rub or the patient can perform oral hygiene easily. The requirements may vary depending on the degree of gingival recession and cosmetic needs. 5. Undercontour is better than overcontour where clinical judgment is vague.

全临床冠外形与牙龈健康相关。2. 牙齿或修复体的龈下凸度向颊侧或舌侧延伸不应超过牙龈厚度的一半。这可保护龈沟并促进呈刀刃状的游离龈边缘形成，对菌斑控制很重要。3. 颊面和舌面外形在各个方向上均应具有逐渐的曲率，以利于嘴唇、脸颊和舌头的摩擦及清洁功能。4. 相邻牙齿的邻面外形、牙齿接触区以及牙齿与龈乳头相关的外形必须使得移动的组织能够摩擦，或者患者能够轻松进行口腔卫生清洁。具体要求可能因牙龈退缩程度和美观需求而异。5. 在临床判断不明确时，外形不足比外形过度更好。