Which statement below is accurate regarding cementum and its characteristics?

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The unmineralized portion of cementum is referred to as cementoid.Type I collagen is the main collagen type found in cementum.The cementodentinal junction appears scalloped in baby teeth but smooth in adult teeth.All of the above statements are correct.

Explanation

Option A is correct because the unmineralized matrix of cementum is known as cementoid. Option B is accurate as cementum primarily contains type I collagen. Option C is true since the cementodentinal junction tends to be scalloped in deciduous teeth and smooth in permanent teeth. Therefore, option D, which includes all these statements, is the correct choice.